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DE1061505B - Process for mending objects made of thermoplastic materials - Google Patents

Process for mending objects made of thermoplastic materials

Info

Publication number
DE1061505B
DE1061505B DED27197A DED0027197A DE1061505B DE 1061505 B DE1061505 B DE 1061505B DE D27197 A DED27197 A DE D27197A DE D0027197 A DED0027197 A DE D0027197A DE 1061505 B DE1061505 B DE 1061505B
Authority
DE
Germany
Prior art keywords
spot
repair
frequency
hole
patch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DED27197A
Other languages
German (de)
Inventor
Douglas Dewar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dunlop Rubber Co Ltd
Original Assignee
Dunlop Rubber Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dunlop Rubber Co Ltd filed Critical Dunlop Rubber Co Ltd
Publication of DE1061505B publication Critical patent/DE1061505B/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
    • B29C66/2422—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical
    • B29C66/24221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical being circular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/49—Internally supporting the, e.g. tubular, article during joining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5326—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/61—Joining from or joining on the inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • B29C66/8362—Rollers, cylinders or drums moving relative to and tangentially to the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/861—Hand-held tools
    • B29C66/8614—Tongs, pincers or scissors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
    • B29C73/04—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using preformed elements
    • B29C73/10—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using preformed elements using patches sealing on the surface of the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
    • B29C73/24—Apparatus or accessories not otherwise provided for
    • B29C73/30—Apparatus or accessories not otherwise provided for for local pressing or local heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/133—Fin-type joints, the parts to be joined being flexible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/472—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8126—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/81265—Surface properties, e.g. surface roughness or rugosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8187—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the electrical insulating constructional aspects
    • B29C66/81871—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the electrical insulating constructional aspects of the welding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8324—Joining or pressing tools pivoting around one axis
    • B29C66/83241—Joining or pressing tools pivoting around one axis cooperating pivoting tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2030/00—Pneumatic or solid tyres or parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

Die Erfindung betrifft ein Verfahren zum Ausbessern von Gegenständen aus thermoplastischen Materialien, insbesondere von röhrenförmigen oder anderen Hohlkörpern, durch Aufschweißen von Ausbesserungsmaterial nach dem Hochfrequenzschweißverfahxen. The invention relates to a method for mending thermoplastic objects Materials, in particular of tubular or other hollow bodies, by welding on repair material after the high-frequency welding process.

Die bekannten Schweißgeräte dienen normalerweise zur Herstellung neuer Gegenstände. Auch in sich geschlossene Körper, wie Röhren oder Hohlkugeln, die ein Ventil oder eine gleichartige Öffnung tragen, an der der Schweißprozeß beendet werden kann, lassen sich damit herstellen. Sobald jedoch derartige Hohlkörpeer repariert werden müssen, können Schwierigkeiten auftreten, insbesondere dann, wenn die Schadensstelle entfernt von der erwähnten Hohlkörperöffnung und an einer solchen Stelle sich befindet, daß unter solchen Bedingungen eine Schweißreparatur nicht möglich ist.The known welding machines are normally used to manufacture new objects. Also in closed bodies, such as tubes or hollow spheres, which have a valve or a similar opening wear, at which the welding process can be ended, can be produced with it. However, as soon as such Hollow bodies need to be repaired, difficulties can arise, especially when the damaged area is located away from the mentioned hollow body opening and at such a point, that welding repair is not possible under such conditions.

Gegenstand der Erfindung ist ein geeignet geformter Ausbesserungsfleck für die Reparatur von thermoplastischen Materialien ohne die erwähnten Schwierigkeiten sowie ein Verfahren, Gegenstände aus thermoplastischem Material auszubessern, wobei der Ausbesserungsvorgang im wesentlichen an der Außenwand, also von einer Seite des Gegenstandes her, erfolgt.The invention relates to a suitably shaped touch-up patch for the repair of thermoplastic materials without the difficulties mentioned, as well as a method, articles to mend from thermoplastic material, the mending operation essentially at the Outer wall, that is, from one side of the object, takes place.

Erfindungsgemäß besteht ein solcher Ausbesserungsfleck aus einem Paar gleichgestalteter übereinanderliegend'er Flecke aus gleichem thermoplastischem Material, die an ihren Rändern miteinander verbunden sind und von denen der eine nicht durchbrochen ist, während der andere mit einem Loch versehen ist.According to the invention, such a repair spot consists of a pair of identically designed one above the other Patches of the same thermoplastic material that are joined together at their edges and one of which is not pierced while the other is provided with a hole.

Der Durchmesser des nicht durchbrochenen Fleckes ist vorzugsweise etwas größer als der Durchmesser des mit einem Loch versehenen Fleckes. Nach dem Verbinden der beiden Flecke an den Rändern ist der nicht durchbrochene Fleck konvex nach außen gebogen. The diameter of the uninterrupted spot is preferably somewhat larger than the diameter of the perforated spot. After joining the two spots at the edges is the unopened spot convexly curved outwards.

Ein weiterer Bestandteil der Erfindung ist ein Verfahren zum Ausbessern eines Risses, Loches od. dgl. in einem thermoplastischen Material. Das Material wird in der Umgebung der Schadensstelle so herausgeschnitten, daß eine Öffnung in Form und Größe dem aufzubringenden Ausbesserungsfleck entsprechend entsteht. Auf diese Öffnung wird der oben beeschriebene Ausbesserungsfleck so angebracht, daß der durchlochte Teil an der Öffnung anliegt und der Umfang des Loches im Fleck sich mit dem Umfang der Öffnung deckt, und danach wird das übereinanderliegende Material entlang des Lochumfanges miteinander verbunden.Another component of the invention is a method for repairing a crack, hole or the like. in a thermoplastic material. The material is cut out in the vicinity of the damaged area in such a way that that an opening in shape and size corresponding to the repair spot to be applied arises. The repair spot described above is applied to this opening in such a way that the perforated part rests against the opening and the circumference of the hole in the stain corresponds to the circumference of the Opening covers, and then the superimposed material along the perimeter of the hole with each other tied together.

Zum besseren Verständnis wird die Erfindung an Hand der Zeichnungen beschrieben.For a better understanding, the invention is described with reference to the drawings.

Fig. 1 zeigt einen Ausschnitt eines GegenstandesFig. 1 shows a section of an object

zum Ausbessern von Gegenständen
aus thermoplastischen Materialienfor mending objects
made of thermoplastic materials

Anmelder:
Dunlop Rubber Company Limited, LondonApplicant:
Dunlop Rubber Company Limited, London

Vertreter: Dipl.-Ing. E. RathmanE, Patentanwalt,
Frankfurt/M., Neue Mainzer Str. 40-42Representative: Dipl.-Ing. E. RathmanE, patent attorney,
Frankfurt / M., Neue Mainzer Str. 40-42

Beanspruchte Priorität:
Großbritannien vom. 15: Januar 1957Claimed priority:
Great Britain from. January 15, 1957

Douglas Dewar, Wolston, Coventry, WarwickshireDouglas Dewar, Wolston, Coventry, Warwickshire

(Großbritannien),
ist als Erfinder genannt worden(Great Britain),
has been named as the inventor

aus thermoplastischem Material mit einem als unterbrochene Linie dargestellten Riß und die als kreisförmige Linie dargestellte Öffnung, die zur Vorbereitung der Reparatur ausgeschnitten wurde;
Fig. 2 zeigt eine Aufsicht und
Fig. 3 ' einen Schnitt eines Ausbesserungsfleckes gemäß Erfindung;of thermoplastic material with a crack shown as a broken line and the opening shown as a circular line, which was cut out in preparation for the repair;
Fig. 2 shows a plan view and
3 'shows a section of a repair spot according to the invention;

Fig. 4 zeigt einen Schnitt durch das Material aus Fig. 1 und den daran angelegten Ausbesserungsfleck aus Fig. 3, ferner einen Schnitt durch einen Teil des Hochfrequenzschweißgerätes mit dem symbolisch dargestellten Stromkreis.FIG. 4 shows a section through the material from FIG. 1 and the repair spot applied to it from Fig. 3, also a section through part of the high-frequency welding device with the symbolic shown circuit.

Bei der praktischen Ausführung des erfindungsgemäßen Verfahrens wird aus einem thermoplastischen Material, das entweder die Form eines Hohlkörpers oder auch einer Folie haben kann, der Riß 1 so· be>seitigt, daß man zunächst eine Kreisscheibe 3 von solcher Größe herausschneidet, daß sowohl Riß 1 als auch in dessen Nachbarschaft geschwächte Stellen des Materials erfaßt werden. Da die Große der heraus-In the practice of the invention Process is made from a thermoplastic material that is either the shape of a hollow body or a film that eliminates the tear 1 in such a way that that you first cut out a circular disk 3 of such a size that both crack 1 as weakened areas of the material can also be detected in its vicinity. Since the greatness of the

. geschnittenen Kreisscheibe 3 im Umfang5 nicht begrenzt ist, sollte ihre Mindestgiröße so gewählt werden, daß der untere Elektrodenarm 4 (Fig. 4) eines Hochfrequenzschweißgerätes bekannter Bauart ohne größere Schwierigkeit in das entstandene Loch 5 eingeführt werden kann. So kann beispielsweise unabhängig von der Größe des Risses 1 das Loch 5 einen Durchmesser von etwa 5 cm oder gegebenenfalls auch mehr haben. Ein Kreisring 6 aus dem gleichen Material wie das auszubessernde mit dem gleichen Innendurchmesser wie der des Loches 5 und mit einem. cut circular disk 3 is not limited in the circumference 5 , its minimum size should be chosen so that the lower electrode arm 4 (Fig. 4) of a high-frequency welding device of known design can be inserted into the hole 5 without major difficulty. Thus, for example, regardless of the size of the crack 1, the hole 5 can have a diameter of approximately 5 cm or possibly even more. A circular ring 6 made of the same material as the mending with the same inner diameter as that of the hole 5 and with a

909 577/397909 577/397

3 43 4

solchen Außendurchmesser, daß die Breite des Kreis- - teiles des Generators 25 geschieht über die An-such an outer diameter that the width of the circle - part of the generator 25 happens over the

ringes aus einem noch später gezeigten Grund etwas Schlüsse 26.ringes some conclusions for a reason shown later 26.

größer ist als die Entfernung zwischen dem freien Es ist selbstverständlich, daß weder die Art deris greater than the distance between the free It goes without saying that neither is the nature of the

Ende des unteren Elektrodenarmes 4 des Hoch- Hochfrequenzerzeugung noch das HochfrequenzgerätEnd of the lower electrode arm 4 of the high-high-frequency generation or the high-frequency device

frequenzgerätes und der Elektrode 9, wird züge- 5 sm sich Gegenstand der vorliegenden Erfindung sind,frequency device and the electrode 9, 5 nm will be the subject of the present invention,

schnitten. Danach wird noch eine Kreisscheibe 10 aus Obwohl der Hochfrequenzgenerator 25 hier symbolischcut. Thereafter, a circular disk 10 from Although the high-frequency generator 25 is symbolized here

dem gleichen Material, aus dem der Kreisring 6 be- als Hochfrequenzmaschine dargestellt ist, kann jedochhowever, the same material from which the circular ring 6 is shown as a high-frequency machine can

steht, zugeschnitten, jedoch soll der Durchmesser der ein elektronischer Hochfrequenzgenerator, wie er fürstands, tailored, however, should be the diameter of an electronic high-frequency generator, as it is for

Kreisscheibe etwas größer sein als der Außendurch- Hochfrequenzschweißgeräte üblich ist, verwendetCircular disk slightly larger than the outside high-frequency welding equipment is used

messer des Kreisringes. Kreisscheibe und Kreisring io werden.knife of the circular ring. The circular disk and the circular ring will be ok.

werden darm übereinandergelegt und entlang ihres In gleicher Weise sind auch Eelektrodenarme und äußeren Umfangs mittels des- Hochfrequenzgerätes so Elektroden an sich nicht Gegenstand der vorliegenden zusammengeschweißt, wie es bei 11 in Fig. 3 da-rge- Erfindung, und die hier gezeigten typischen Formen stellt ist. Infolge des etwas größeren Durchmessers dieser Geräteteile dienen nur dem Zweck einer ander Kreisscheibe 10 entsteht dabei eine Tasche mit 15 schaulichen Darstellung. Bei der Anwendung des voreiner im wesentlichen flachen Oberseite und einer liegenden Verfahrens ist es vorzuziehen, eine rotieschalenförmigen Unterseite. Die so entstandene Tasche rende Elektrode 20 in all den Fällen zu verwenden, stellt den Ausbesserungsfleck 13 dar, der auf das vor- wenn ein aufblasbarer Hohlkörper oder auch ein gasher ausgeschnittene Loch 5 an der Schadensstelle auf- und/oder wasserdichter Gegenstand, beispielsweise gebracht wird. 20 eine Floßmatratze, ein Schlauchboot oder ein aufblas-are then placed one on top of the other and along their I n the same way, electrode arms and outer circumference are also welded together by means of the high-frequency device so electrodes per se are not the subject of the present invention, as is the case at 11 in FIG. 3, and the typical shapes shown here represents is. As a result of the somewhat larger diameter of these device parts only serve the purpose of a different circular disk 10, a pocket with 15 graphic representation is created. In employing the substantially flat top and lying method, it is preferable to have a rotating bowl-shaped bottom. Using the resulting pocket-generating electrode 20 in all these cases represents the repair spot 13 which is applied to the object, for example, which is watertight if an inflatable hollow body or a gas-cut hole 5 is cut out at the damaged area . 20 a raft mattress, a rubber dinghy or an inflatable

Der Ausbesserungsfleck 13 wird nun in das Loch 5 barer Schutzanzug, repariert werden soll. Soll da-The patch 13 is now in the hole 5 Barer protective suit to be repaired. Should there-

so eingeführt, daß dessen Oberseite, die aus dem gegen eine Folie aus thermoplastischem Material, eineintroduced so that its top, which consists of the against a sheet of thermoplastic material, a

Kreisring besteht, an der Innenseite des beschädigten wasserdichte Plane, ein Zelt oder ein wasserdichterCircular ring is made on the inside of the damaged waterproof tarpaulin, a tent or a waterproof one

Gegenstandes anliegt. Der innere Umfang des Kreis- Umhang od. dgl. repariert werden, so kann das alsObject. The inner circumference of the circle cloak or the like. To be repaired, it can be used as

ringes 6 und der Umfang des Loches 5 werden dann 25 Heften oder Steppen bekannte Verfahren angewendetring 6 and the circumference of the hole 5 are then used 25 stitching or stitching known methods

zur Deckung gebracht, und der Fleck 13 wird an werden. In diesem wäre die Elektrode 20 eine dembrought into register, and the spot 13 will be on. In this, the electrode 20 would be a dem

dieser Stelle entweder mittels eines geeigneten Klebers »Amboß« ähnliche, nicht drehbare Elektrode, und dasthis point either by means of a suitable adhesive "anvil" similar, non-rotatable electrode, and that

oder durch Hochfrequenzpunktschweißung in be- eigentliche Schweißen oder Steppen geschieht durchor by high-frequency spot welding in actual welding or quilting is done through

kannter Weise fixiert. die Auf- und Abbewegung des oberen Armes 16, wäh-fixed in a familiar way. the up and down movement of the upper arm 16, while

Der untere Elektrodenarm 4 des Hochfrequenz- 30 rend das Material zwischen beiden Elektroden hin-The lower electrode arm 4 of the high-frequency 30 rend the material between the two electrodes.

schweißgerätes 14 wird dann durch das Loch 5 in die durchgeführt wird.welding device 14 is then carried out through the hole 5 in the.

durch Kreisring 6 und Kreisscheibe 10 gebildete Der Amboß 9 kann gegebenenfalls auch aus einerThe anvil 9 formed by circular ring 6 and circular disk 10 can optionally also consist of a

TaschelS so eingeführt, daß die untere Elektrode bzw. rotierenden Scheibe, ähnlich der Elektrode 20, be-TaschelS inserted in such a way that the lower electrode or rotating disk, similar to electrode 20,

der »Amboß« 9 unterhalb der übereinanderliegenden stehen, deren Umfang aufgerauht ist und die durchthe "anvil" 9 stand below the superimposed, whose circumference is roughened and which through

Ränder 5 und 7 des Kreisringes 6 des Fleckes 13 und 35 einen Antrieb gedreht werden kann, so daß das zuEdges 5 and 7 of the circular ring 6 of the spot 13 and 35 a drive can be rotated, so that too

des in das Material geschnittenen Loches 5 liegt. reparierende Material 2 mit dem aufgebrachten Aus-of the hole 5 cut in the material. repairing material 2 with the applied

Das Hochfrequenzgerät 14 kann ein beliebiges Gerät besserungsfleck 13, sobald es zwischen beide Elektrobekannter Bauart sein, bei dem der untere Elektroden- den eingeführt ist, von der rotierenden unteren Elekarm 4 genügend schmal ist, um ihn in die Tasche 15 trode erfaßt und automatisch durchgezogen wird,
einführen und die untere Elektrode^ unterhalb der 40 Der Stromkreis24 zu den Elektroden kann durch Übereinanderliegenden Schichten des Ausbesserungs- einen Schalter 27 unterbrochen oder geschlossen werfleckes 13 bringen zu können, ohne dabei das Material den, so daß der Hochfrequenzstrom nur fließt, wenn zu dehnen oder zu falten. sich die beiden Elektroden in Arbeitsstellung zuein-The high-frequency device 14 can be any device, as soon as it is between the two electro-known types, in which the lower electrode is inserted, is sufficiently narrow by the rotating lower electrode arm 4 to be caught in the pocket 15 and automatically pulled through ,
introduce and the lower electrode ^ below the 40 The circuit 24 to the electrodes can be interrupted or closed by layers of the repair patches 13, without breaking the material, so that the high-frequency current only flows when to stretch or to fold. the two electrodes come together in the working position

In Fig. 4 ist ein solches Gerät in einer einfachen ander befinden.In Fig. 4 such a device is located in a simple other.

Ausführungsforrn dargestellt, Hier ist die untere 45 Bei der Ausführung des vorliegenden Verfahrens Elektrode oder der »Amboß« 9 auf der Oberseite des wird, wie schon beschrieben, der untere Arm 24 des unteren Elektrodenarmes 4 in der Nähe seines freien Gerätes 14 in die Tasche 15 des in geeigneter Lage Endes angebracht. Der obere Elektrodenarm 16 ist, in zum Material 2 gebrachten Fleckes 13 eingeführt, und vertikaler Richtung beweglich, drehbar in einer Aus- der obere Arm 16 wird abwärts bewegt, so daß die sparung 17 des unteren Armes 4 gelagert. Die beiden 50 Kanten 7 und 5 von den beiden Elektroden 20 und 9 Elektrodenarme 4 und 16 siivd mittels einer nicht- . zusammengepreßt werden. Gleichzeitig mit der Ableitenden Buchse 18, die zwischen Arm 16 und dessen wärtsbewegung des Armes 16 wird der Schalter 27 be-Lager 19 sitzt, elektrisch voneinander isoliert. Der tätigt, so daß der Hochfrequenzstromkreis 24 ge-Arm 16 wird normalerweise durch einen Federmecha- schlossen wird. Es fließt hochfrequenter Strom von nismus in. seiner oberen Stellung gehalten, und sein 55 Elektrode 20 zum Amboß 9 durch das dazwischenfreies Ende kann durch eine geeignete Vorrichtung liegende Material, das infolge der erzeugten Wärme nach unten gegen den Arm 4 bewegt werden. an den. Kanten 5 und 7 genügend erweicht wird, so daßEmbodiment shown here is the bottom 45 when performing the present method The electrode or "anvil" 9 on the top of the is, as already described, the lower arm 24 of the lower electrode arm 4 in the vicinity of his free device 14 in the pocket 15 of the in a suitable position End appropriate. The upper electrode arm 16 is inserted into the patch 13 brought to the material 2, and movable in the vertical direction, rotatable in one direction, the upper arm 16 is moved downward so that the saving 17 of the lower arm 4 is stored. The two 50 edges 7 and 5 of the two electrodes 20 and 9 Electrode arms 4 and 16 siivd by means of a non-. are pressed together. Simultaneously with the derivative Socket 18, which is between arm 16 and its downward movement of arm 16, the switch 27 be-stock 19 sits, electrically isolated from each other. The operates, so that the high-frequency circuit 24 ge-Arm 16 is normally closed by a spring mechanism. High-frequency electricity flows from nismus held in. Its upper position, and its 55 electrode 20 to the anvil 9 by the free in between End can by a suitable device lying material, which as a result of the generated heat be moved downwards against the arm 4. to the. Edges 5 and 7 is softened enough so that

Unmittelbar über dsm »Amboß «9 und am freien es nach dem Abkühlen entlang dem Umfang des Ende des oberen Armes 16 sitzt eine Scheibe 20 aus Loches 5 homogen versehweißt wird. Während dieses einem geeigneten leitfähigen Material drehbar auf 60 Vorgangs wird der auszubessernde Gegenstand forteiner Spindel 21, die ihrerseits am freien Ende des laufend gedreht, so daß beide Elektroden 9 und 20 das Armes 16 befestigt ist. Die Seheibe 20 dreht sich un- Loch 5 in dem Gegenstand umfahren. Im Falle eines mittelbar über dem »Amboß« 9 um eine Achse, die Hohlkörpers wird die Hauptmenge des Materials frei parallel zur Längsachse des Armes 16 verläuft. Eine unterhalb des unteren Armes. 4 vorbeigeführt, ohne daß Bürste 22 aus Kohle oder einem anderen geeigneten 65 es notwendig wäre, das Material durch den beschränk-Material wird mittels einer im Arm 16. befestigten ten Raum zwischen oberem und unterem Arm 16 Feder 23 gegen den Umfang der Scheibe 20 gepreßt. und 4 hindurchzuführen. Bei einer anderen AusAmboß 9 und Bürste 22 stehen mit dem Hochfrequenz- f ührungsiorm des Verfahrens kann ein tragbares teil eines Hochfrequenzgenerators 25 elektrisch in Ver- Hochfrequenzgerät entlang des Umfangs des Loches 5 bindung 24 (Fig.-4). Die Speisung des Niederfrequenz- 70 geführt werden, während der auszubessernde Gegen-Is versehweißt immediately above dsm "anvil" 9 and at the free it sits after cooling along the circumference of the end of the upper arm 16 a disc 20 from hole 5 homogeneous. During this process, the object to be repaired is rotatable on a suitable conductive material on a spindle 21, which in turn rotates continuously at the free end of the arm 16, so that both electrodes 9 and 20 are attached. The Seheibe 20 rotates un- drive around hole 5 in the object. In the case of an indirect over the "anvil" 9 around an axis, the hollow body, the majority of the material will run freely parallel to the longitudinal axis of the arm 16. One below the lower arm. 4 passed without brush 22 made of carbon or another suitable 65 it would be necessary, the material through the restricting material is pressed against the periphery of the disc 20 by means of a space between the upper and lower arm 16 th space between the upper and lower arm 16 spring 23 . and 4 pass through. With a different dimension 9 and brush 22, a portable part of a high frequency generator 25 can be electrically connected to the high frequency guide of the method. High frequency device along the circumference of the hole 5 connection 24 (Fig. 4). The feed of the low-frequency 70 can be carried out, while the counter-

Claims (7)

stand ruht. Diese zuletzt beschriebene Ausführungsform ist dann vorzuziehen, wenn es sich urn die Reparatur eines größeren Gegenstandes handelt. Aus der vorangegangenen Beschreibung ist zu ersehen, daß eine Methode zur Reparatur von Hohlkörpern oder Folien aus thermoplastischem Material gefunden wurde, die praktisch bei jeder Größe der Folie oder des Hohlkörpers angewendet werden kann, ohne daß es notwendig wäre, vorhandene bekannte Hochfrequenzschweißgeräte konstruktiv zu ändern. Der Schweißvorgang wird ausschließlich an der Außenseite des Hohlkörpers oder nur auf einer Seite einer Folie vorgenommen, und ein sonst erforderliches umständliches Hantieren mit dem Hohlkörper bzw. der Folie zwischen den Elektrodenarmen des Schweißgerätes wird vermieden. Obwohl es vorzuziehen ist, den Durchmesser der Scheibe 10 des Ausbesserungsfleckes etwas größer zu wählen als den des Kreisringes 6, ist dies jedoch nicht unbedingt notwendig, und sowohl Scheibe als auch Kreisring können den gleichen Durchmesser haben. Durch die schalenartige Form der Scheibe 10 entsteht jedoch eine etwas geräumigere Tasche zwischen Scheibe 10 und Ring 6, so daß das freie Ende des unteren Elektrodenarmes 4 leichter und ohne Beanspruchung des Materials eingeführt werden kann. Die Größe der Tasche kann den jeweils vorhandenen Elektrodenarmen dadurch angepaßt werden, daß der Unterschied der Durchmesser von Scheibe 10 und Ring 6 verschieden groß gewählt wird. Zur praktischen Ausführung des erfindungsgemäßen Verfahrens wird ein Vorrat von Ausbesserungsflecken 13 in verschiedenen Formen und Größen hergestellt, und das Loch 5 im Hohlkörper oder in der Folie wird dann in einer solchen Form und Größe ausgeschnitten, daß sowohl die Schadensstelle entfernt wird als auch ein passender vorhandener Standardfleck angewendet' werden kann. Obwohl hier die Verwendung eines kreisförmigen Ausbesserungsfleckes beschrieben wurde, ist diese Form jedoch nicht wesentlich für das Gelingen der Reparatur, da auch rechteckige, ovale oder Flecke anderer Form auf entsprechend ausgeschnittene Löcher 5 aufgesetzt werden können. Der hier beschriebene kreisrunde Fleck ist jedoch die gebrauchlichste Form. Der nach der Erfindung ausgebildete Fleck ist zwar besonders zur Reparatur von thermoplastischen. Materialien mittels Hochfrequenzstrom geeignet, jedoch ist die Anbringung der Flecke nicht auf die beschriebene Art beschränkt, sondern es können auch gegebenenfalls geeignete Klebstoffe zur Verbindung der Materialien verwendet werden. Für den Fall der Ausbesserung von unter Druck stehenden Hohlkörpern bietet die Verwendung von Flecken nach der Erfindung besondere Vorteile gegenüber außen befestigten Flecken. Der ringförmige äußere Rand des Fleckes wirkt wie ein Ventil und verstärkt die ursprüngliche Befestigung an der Verbindungsstelle und entlastet daher die Verbindungsstelle etwas von herrschendem Druck und Spannung. Die Erfindung ist praktisch bei jeder Art thermoplastischen Materials anwendbar, sofern es unter dem Einfluß von Hochfrequenzstrom plastisch oder halbplastisch wird. Bei der praktischen Ausführung ist eine Sicherheitsvorrichtung erforderlich, die eine für das Material geeignete Temperatur sicherstellt, so daß das Material plastisch wird, jedoch nicht schmilzt und wegläuft. Es ist daher erforderlich, daß die Funktion des Gerätes vor dem Schweißprozeß jeweils dem zu behandelnden Material angepaßt wird. Dies ge-.schieht beispielsweise durch Regelung der Stromfrequenz, durch die Rotationsgeschwindigkeit der drehbaren Elektrode 20 oder beider Elektroden 20 und 9 oder durch Regelung der Zeitdauer, während der der Stromkreis 24 geschlossen ist. Im letzteren Falle kann dies durch Einbau einer geeigneten Schaltuhr in den Schalter 27 geschehen. Um eine durchaus homogene Verbindung zu erzielen, ist es wichtig, daß das Äusbesserungsmaterial die gleichen physikalischen Eigenschaften wie das auszubessernde besitzt. Dies gilt insbesondere für den Fließpunkt oder die Erweichungstemperatur. Patentansprüche:stood resting. This last-described embodiment is to be preferred when repairing a larger object. From the foregoing description it can be seen that a method for repairing hollow bodies or foils made of thermoplastic material has been found which can be applied to practically any size of foil or hollow body without it being necessary to constructively change existing known high-frequency welding devices. The welding process is carried out exclusively on the outside of the hollow body or only on one side of a foil, and cumbersome handling of the hollow body or the foil between the electrode arms of the welding device, which would otherwise be necessary, is avoided. Although it is preferable to choose the diameter of the disc 10 of the patch to be slightly larger than that of the circular ring 6, this is not absolutely necessary and both the disc and the circular ring can have the same diameter. The shell-like shape of the disk 10, however, creates a somewhat more spacious pocket between the disk 10 and the ring 6, so that the free end of the lower electrode arm 4 can be inserted more easily and without stressing the material. The size of the pocket can be adapted to the electrode arms present in each case in that the difference in the diameter of the disk 10 and ring 6 is selected to be different. For the practical implementation of the method according to the invention, a supply of repair patches 13 of various shapes and sizes is made, and the hole 5 in the hollow body or in the film is then cut out in such a shape and size that both the damaged area is removed and a suitable existing one Standard stain can be applied. Although the use of a circular repair patch has been described here, this shape is not essential for the success of the repair, since rectangular, oval or other-shaped patches can also be placed on holes 5 that have been cut out accordingly. However, the circular spot described here is the most common shape. The stain formed according to the invention is particularly useful for repairing thermoplastic. Materials by means of high-frequency current are suitable, but the application of the stains is not limited to the type described, but rather suitable adhesives can optionally also be used to connect the materials. In the case of repairing hollow bodies under pressure, the use of stains according to the invention offers particular advantages over externally attached stains. The annular outer edge of the patch acts like a valve and reinforces the original attachment to the joint and therefore relieves the joint somewhat of the pressure and tension. The invention is applicable to practically any type of thermoplastic material as long as it becomes plastic or semi-plastic under the influence of high frequency current. In practice, a safety device is required which ensures a suitable temperature for the material so that the material becomes plastic but does not melt and run away. It is therefore necessary that the function of the device is adapted to the material to be treated before the welding process. This is done, for example, by regulating the current frequency, by the speed of rotation of the rotatable electrode 20 or both electrodes 20 and 9, or by regulating the period of time during which the circuit 24 is closed. In the latter case, this can be done by installing a suitable timer in switch 27. In order to achieve a thoroughly homogeneous connection, it is important that the repair material has the same physical properties as the one to be repaired. This applies in particular to the pour point or the softening temperature. Patent claims: 1. Ausbesserungsfleck für die Instandsetzung von thermoplastischen Materialien, dadurch gekennzeichnet, daß ein Paar (6, 13) gleichgestalteter, übereinanderliegender Flecke aus dem gleichen thermoplastischen Material an ihren Außenrändern (S^ 12) miteinander verbunden sind, von denen der eine (13) nicht durchbrochen und der andere (6) mit einem Loch (7) versehen ist.1. Repair spot for the repair of thermoplastic materials, characterized in that that a pair (6, 13) of the same shape, superimposed patches of the same thermoplastic material on their outer edges (S ^ 12) are interconnected, of which the one (13) is not perforated and the other (6) is provided with a hole (7). 2. Ausbesserungsfleck nach Anspruch 1, dadurch gekennzeichnet, daß die Fläche des nicht durchbrochenen Fleckes (13) etwas größer ist als die des mit einem Loch (7) versehenen, so daß beim Verbinden der Außenränder (8, 12) der nicht durchbrochene Fleck (13) konvex nach außen abgebogen ist.2. repair spot according to claim 1, characterized in that the surface of the non-perforated Spot (13) is slightly larger than that of the provided with a hole (7), so that when Connect the outer edges (8, 12) of the not openwork spot (13) is convexly bent outwards. 3. Ausbesserungisfleck nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Außenränder (8, 12) der beiden Flecke (6, 13) durch Erweichung des Materials unterhalb seines Schmelzpunktes praktisch homogen miteinander verschweißt sind.3. Mending ice stain according to claim 1 or 2, characterized in that the outer edges (8, 12) of the two spots (6, 13) are softened of the material welded together practically homogeneously below its melting point are. 4. Ausbesserungsfleck nach Anspruch 3, dadurch gekennzeichnet, daß die Erweichungstemperatur dadurch erzielt wird, daß die Außenränd'er (8, 12) zwischen den Elektroden (9, 20) eines Hochfrequenzgerätes (4, 16) hindurchgefühlt werden.4. patch according to claim 3, characterized in that the softening temperature is achieved in that the outer edges (8, 12) between the electrodes (9, 20) of a high-frequency device (4, 16) can be felt through. 5. Ausbesserungsfleck nach Anspruch 1 bis 4, dadurch gekennzeichnet, daß der nicht durchbrochene Fleck (13) eine Kreisscheibe aus dem besagten Material und der mit einem Loch (7) versehene Fleck (6) ein gleich großer Kreisring ist.5. patch according to claim 1 to 4, characterized in that the unopened Spot (13) a circular disc made of the said material and the one with a hole (7) provided spot (6) is an equally large circular ring. 6. Ausbesserüngsfleck nach Anspruch 1 bis 5, dadurch gekennzeichnet, daß das Loch (7) in dem ausgeschnittenen Fleck (6) groß genug ist, um einen Teil (4) einer Vorrichtung hindurchführen zu können, mit der die Ränder miteinander verbunden werden können.6. repair spot according to claim 1 to 5, characterized in that the hole (7) in the The cut-out spot (6) is large enough to pass a part (4) of a device through it with which the edges can be joined together. 7. Ausbesserüngsfleck nach Anspruch 5 und. 6, dadurch gekennzeichnet, daß der Teil (4) dieser Vorrichtung aus einem Elektrodenarm eines Hochfrequenzgerätes besteht.7. repair spot according to claim 5 and. 6, characterized in that the part (4) of this device consists of an electrode arm of a high-frequency device consists. Hierzu 1 Blatt Zeichnungen1 sheet of drawings ©909 577/397 7.59© 909 577/397 7.59
DED27197A 1957-01-15 1958-01-14 Process for mending objects made of thermoplastic materials Pending DE1061505B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1450/57A GB857859A (en) 1957-01-15 1957-01-15 Improvements in and relating to the repair of thermoplastic materials
GB857859X 1958-01-01

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CH (1) CH346445A (en)
DE (1) DE1061505B (en)
FR (1) FR1203512A (en)
GB (1) GB857859A (en)
NL (2) NL105958C (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2862292D1 (en) * 1978-06-19 1983-08-25 Gambro Lundia Ab Method of joining conduits with a connecting piece and connecting piece for carrying out the method
US9688032B2 (en) 2013-07-01 2017-06-27 GM Global Technology Operations LLC Thermoplastic component repair

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NL105958C (en) 1963-12-16
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GB857859A (en) 1961-01-04
FR1203512A (en) 1960-01-19

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