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EP1045800A1 - Transport box - Google Patents

Transport box

Info

Publication number
EP1045800A1
EP1045800A1 EP98962247A EP98962247A EP1045800A1 EP 1045800 A1 EP1045800 A1 EP 1045800A1 EP 98962247 A EP98962247 A EP 98962247A EP 98962247 A EP98962247 A EP 98962247A EP 1045800 A1 EP1045800 A1 EP 1045800A1
Authority
EP
European Patent Office
Prior art keywords
transport
transport box
hood
box according
base plate
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.)
Granted
Application number
EP98962247A
Other languages
German (de)
French (fr)
Other versions
EP1045800B1 (en
Inventor
Horst Weisssieker
Dieter Schmidt
Dieter Remmler
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.)
REMMLER, DIETER
Schmidt Dieter
Weisssieker Horst
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Publication of EP1045800A1 publication Critical patent/EP1045800A1/en
Application granted granted Critical
Publication of EP1045800B1 publication Critical patent/EP1045800B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/20—External fittings
    • B65D25/22—External fittings for facilitating lifting or suspending of containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
    • B65D81/2015—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum in an at least partially rigid container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2069—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere
    • B65D81/2076—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere in an at least partially rigid container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/266—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants
    • B65D81/268—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants the absorber being enclosed in a small pack, e.g. bag, included in the package

Definitions

  • the invention relates to a transport box for the contamination-free transport of objects according to the preamble of claim 1.
  • Controlled conditions in the atmosphere of the production plant are indispensable, especially in production facilities where the highest quality electronic, pharmaceutical or biochemical products are manufactured.
  • there are different requirements for the cleanliness of the production environment which must be guaranteed by the clean room technology.
  • efforts have been made in recent years to limit the areas in which such high demands are placed on the contamination-free nature of the production process as much as possible, i.e.
  • a known transport box has a base plate which is usually equipped with a carrier which is used to hold the object to be transported This ensures that the object to be treated is provided in a defined position on the respective work station and can be handled for automatic gripping.
  • a rigid hood can be placed on the base plate, which was made by injection molding from a usually transparent plastic, and the object So that this enclosure is as hermetic as possible to the outside, a sealing seat is provided to seal the transport space enclosed by the attached hood and the base plate.
  • the hood is secured by a locking system em tightly locked to the base plate, the locking system being actuated from the outside, so that the hood can be easily opened mechanically in the next work station
  • the enclosed transport space can only be kept contamination-free as far as the container walls enclosing the transport space allow. This means in particular that disruptive outgassing of the plastics forming the container walls must be added keep objects to be transported so that inadmissible contamination can occur during transport despite the effort involved
  • the starting point of the present invention is the consideration that the aforementioned shortcomings of the known transport box can be eliminated if Suitable precautions are taken to specifically influence the atmosphere of the transport space within the transport box.
  • the invention provides that the transport box is equipped with two check valves, one of which is designed as an inlet valve and the other as an outlet valve.
  • the valve housing of these valves form an integral part Part of the
  • Transport space of the wall enclosing the transport box are therefore inseparably connected to this wall.This is to ensure the best possible seal between the valve housing and the wall of the transport space.
  • the two valves could be integrated in the base plate.
  • the valves with the are particularly recommended for handling reasons
  • the inlet valve in the lower part of the hood and the outlet valve in the upper part of the hood being expediently attached.
  • the valve housing of the valves should in each case be encapsulated directly in this manufacturing process, so that it is connects to the hood practically in one piece.
  • the valve is preferably designed as a spring-loaded ball valve and has a plastic housing.
  • the inlet valve is provided with an external quick coupling, to which a media line can be connected to the transport space from the outside. In this way, it is possible to provide the transport space with an individually adjustable atmosphere.
  • a gas with maximum particle freedom a dry gas or, if necessary, a disinfectant can be filled in through the inlet valve
  • the outlet valve can escape to the outside, so that the inside of the transport box can be subjected to gas purging. If the purge gas is not to escape into the production environment, this can
  • the outlet valve and the inlet valve are provided with an external quick coupling in order to be able to connect a corresponding discharge line for the medium filled into the transport space.
  • the inlet valve should open in any case in the manner mentioned below and the outlet valve at the top of the hood.
  • a reverse arrangement is recommended
  • the inlet valve also has a quick coupling on the inside of the transport space.This quick coupling then serves to connect an assembly with which the atmosphere of the transport space can be influenced.
  • a filter cartridge for cleaning the filling space to be filled into the transport space via the inlet valve Medium be the
  • the filter cartridge can therefore be, for example, an activated carbon filter or a molecular sieve.
  • the internal quick coupling of the inlet valve can also be used to fasten a cartridge that contains a medium that is active with respect to the atmosphere of the transport space.
  • the invention provides that additional receiving devices (eg molded on) on the inside of the hood and / or the base plate e insertion or insertion pockets) are provided for fastening containers, which are filled with corresponding active materials for influencing the atmosphere of the transport space.
  • additional receiving devices eg molded on
  • the invention provides an externally actuable electrical contact with which the in the unit or the material located in additional containers can be activated, that is to say has access to the atmosphere of the transport space
  • the filter cartridge already described can be used
  • the transport box In order to facilitate the mechanical transport of the transport box according to the invention, it can be carried out from the outside, preferably in the area of the hood, with one per se Known coupling unit can be provided, which can attack, for example, the gripper of a means of transport. Furthermore, data carriers can be attached to the hood, on which the contents of the transport box to be transported are recorded in a machine-readable manner.
  • the figure shows the transport box according to the invention only in a schematic representation.
  • a rigid hood 2 made of transparent plastic is placed on a base plate 1.
  • These two main components of the transport box are injection molded plastic parts.
  • the base plate is provided with a carrier 3, which serves to hold the objects to be transported within the transport space 5 enclosed by the base plate 1 and the hood 2.
  • a sealing seat 4 is provided between the hood 2 and the base plate 1.
  • the sealing seat 4 is preferably not produced by a separate seal, but rather is ensured by sealing surfaces on the base plate 1 and the hood 2 which are machined with a precise fit.
  • a ball check valve 6 is arranged in the lower part, which has a plastic valve housing and was injection molded directly with the transparent plastic of the hood 2 during the injection molding of the hood 2, so that both parts are practically integrally connected to one another. This ensures an optimal seal in the connection area.
  • the inlet valve 6 has a quick coupling 8 which is used to connect a media supply line to the
  • Transport room 5 is used.
  • a 90 ° elbow is attached to the inlet valve 6, which in turn is provided with a quick coupling via which an assembly 9 (for example a filter cartridge equipped with a zeolite) is connected.
  • an outlet valve 7, which is again designed as a ball check valve, is attached in the upper part thereof and is connected to the hood 2 in a manner corresponding to the inlet valve 6.
  • this outlet valve 7 is also connected to the outside with a quick coupling, so that a media discharge line can be connected to the transport space 5.
  • a plurality of receiving devices are arranged, which are used for fastening Serve containers 10, in which a means for influencing the atmosphere of the transport space 5 is housed.
  • This can be, for example, an adsorbent or absorption medium with which certain portions of the atmosphere of the transport space 5 can be bound, that is to say rendered ineffective for the object to be transported, or else it can be material that unites
  • An electrical contact 11 is schematically indicated in the area of the base plate 1, which serves to activate the material enclosed in the containers 10 or possibly also in the unit 9, in order to establish the contact of this material with the atmosphere of the transport space 5.
  • a coupling unit 12 is attached on the outside, which serves to connect the transport box to a means of transport in a simple and reliable manner.
  • a gripper can engage this coupling unit 12.
  • a locking mechanism which, of course, must be present in order to ensure the tight fit between the hood 2 and the base plate 1 during transport.
  • Such a locking mechanism can be actuated from the outside in a manner known per se, so that the base plate 1 can be mechanically separated from the hood 2 in a work station in order to be able to access the transported object.
  • the transport box according to the invention significantly increases the safety of contamination-free transport of sensitive objects compared to the previously known solution.
  • the additional effort required to manufacture a transport box is relatively low.
  • the preferred use of ball check valves injected into the hood results in an inexpensive and, at the same time, extremely reliable solution with regard to effective sealing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Packages (AREA)

Abstract

The invention relates to a transport box for non-contaminating transportation of objects, which is fitted with a base plate (1), especially a base plate (1) comprising a support (3) for the object to be transported; a rigid injection-molded plastic hood (2) that can be placed on the base plate (1) to encompass the object; a transport area (5) with a seal seat (4) for sealing the transport area (5) enclosed by the mounted hood (2) and the base plate (1) and an externally actuated locking system to tightly lock the hood with the base plate. The transport box has two check valves, one of said valves been configured as an inlet valve (6) and the second valve being configured as an outlet valve (7). The valve housings of both valves (6, 7) form an integral part of the wall enclosing the transport area (5). The inlet valve (6) is fitted with an external quick action coupling (8) for the connection of a fluid line.

Description

Transportbox Pet crate
Beschreibungdescription
Die Erfindung betrifft eine Transportbox für den kontaminationsfreien Transport von Objekten gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a transport box for the contamination-free transport of objects according to the preamble of claim 1.
Insbesondere in Produktionsstätten, in denen elektronische, pharmazeutische oder biochemische Produkte höchster Qualität hergestellt werden, sind kontrollierte Bedingungen in der Atmosphäre des Produktionsbetriebes unabdingbar. Je nach Art der erzeugten Produkte sind unterschiedlich hohe Anforderungen an die Reinheit der Produktionsumgebung zu stellen, die von der Reinraumtechnik gewährleistet werden müssen. Während bei der Herstellung von elektronischen Speicherchips eine größtmögliche Partikelfreiheit einzuhalten ist, kommt es bei der Herstellung pharmazeutischer Produkte vielfach darauf an, eine Kontamination der unterschiedlichen Produkte, die in einem Werk hergestellt werden, untereinander auszuschließen. Es ist außerordentlich aufwendig, ausgedehnte Produktionshallen so zu betreiben, daß im gesamten Hallenbereich hohe oder höchste Reinheitsgrade der Hallenatmosphäre gewährleistet sind. Zur Verminderung des zu treibenden Aufwandes ist man daher in den letzten Jahren verstärkt dazu übergegangen, die Bereiche, in denen derartig hohe Anforderungen an die Kontaminationsfreiheit des Produktionsgeschehens gestellt werden, möglichst weitgehend einzugrenzen, d.h. möglichst auf die unmittelbare Umgebung einer Arbeitsstation, also den eigentlichen Arbeitsraum der jeweiligen Anlage zu beschränken. Da es vielfach notwendig ist, während der Produktion mehrere Arbeitsstationen zu durchlaufen, muß selbstverständlich auch der Transport der jeweils zu behandelnden Objekte zwischen den einzelnen Stationen ebenfalls unter den jeweils erforderlichen strengen Bedingungen hinsichtlich des atmosphärischen Reinheitsgrades erfolgen. Zu diesem Zweck sind Transportboxen entwickelt worden, die einen kontaminationsfreien Transport von Objekten durch Räume gewährleisten sollen, in denen ein geringerer atmosphärischer Reinheitsgrad vorliegt Eine bekannte Transportbox weist eine Bodenplatte auf, die üblicherweise mit einem Trager ausgestattet ist, der für die Aufnahme des zu transportierenden Objektes geeignet ist Dadurch wird gewährleistet, daß das zu behandelnde Objekt auf der jeweiligen Arbeitsstation in einer definierten Lage bereitgestellt wird und für eine automatische Greifeinπchtung handhabbar ist Auf der Bodenplatte ist eine starre Haube aufsetzbar, die durch Spritzgießen aus einem üblicherweise durchsichtigen Kunststoff hergestellt wurde und das Objekt einschließt Damit diese Einschließung nach außen hin möglichst hermetisch ist, ist ein Dichtsitz zur Abdichtung des von der aufgesetzten Haube und der Bodenplatte eingeschlossenen Transportraums vorgesehen Die Haube wird über ein Verπegelungssystem mit der Bodenplatte dicht verriegelt, wobei das Verπegelungssystem von außen zu betätigen ist, damit die Haube in der jeweils nächsten Arbeitsstation maschinell problemlos geöffnet werden kannControlled conditions in the atmosphere of the production plant are indispensable, especially in production facilities where the highest quality electronic, pharmaceutical or biochemical products are manufactured. Depending on the type of products produced, there are different requirements for the cleanliness of the production environment, which must be guaranteed by the clean room technology. While the greatest possible freedom from particles must be observed in the production of electronic memory chips, it is often important in the manufacture of pharmaceutical products to prevent contamination of the different products that are manufactured in one plant. It is extremely complex to operate extensive production halls in such a way that high or highest levels of purity of the hall atmosphere are guaranteed in the entire hall area. In order to reduce the effort involved, efforts have been made in recent years to limit the areas in which such high demands are placed on the contamination-free nature of the production process as much as possible, i.e. as close as possible to the immediate vicinity of a workstation, i.e. the actual work space of the respective system. Since it is often necessary to go through several work stations during production, the transport of the objects to be treated between the individual stations must of course also take place under the strict conditions required in terms of atmospheric purity. For this purpose, transport boxes have been developed which are intended to ensure contamination-free transport of objects through rooms in which there is a lower degree of atmospheric purity. A known transport box has a base plate which is usually equipped with a carrier which is used to hold the object to be transported This ensures that the object to be treated is provided in a defined position on the respective work station and can be handled for automatic gripping. A rigid hood can be placed on the base plate, which was made by injection molding from a usually transparent plastic, and the object So that this enclosure is as hermetic as possible to the outside, a sealing seat is provided to seal the transport space enclosed by the attached hood and the base plate. The hood is secured by a locking system em tightly locked to the base plate, the locking system being actuated from the outside, so that the hood can be easily opened mechanically in the next work station
Bei den bekannten Transportboxen kann der eingeschlossene Transportraum nur soweit koπtaminationsfrei gehalten werden, wie dies die den Transportraum einschließenden Behalterwandungen zulassen Das bedeutet insbesondere, daß störende Ausgasungen der die Behalterwandungen bildenden Kunststoffe hinzunehmen sind Auch die etwa vorhandene Luftfeuchtigkeit oder eingedrungene Mikroorganismen lassen sich nicht von den jeweils zu transportierenden Objekten abhalten, so daß es wahrend des Transports trotz des betriebenen Aufwandes zu unzulässigen Kontaminationen kommen kannIn the known transport boxes, the enclosed transport space can only be kept contamination-free as far as the container walls enclosing the transport space allow. This means in particular that disruptive outgassing of the plastics forming the container walls must be added keep objects to be transported so that inadmissible contamination can occur during transport despite the effort involved
Aufgabe der vorliegenden Erfindung ist es, eine Transportbox der gattungsgemaßen Art dahingehend zu verbessern, daß diese Nachteile beseitigt werdenThe object of the present invention is to improve a transport box of the generic type in such a way that these disadvantages are eliminated
Gelost wird diese Aufgabe durch eine Transportbox mit den im Patentanspruch 1 angegebenen Merkmalen Vorteilhafte Ausfuhrungsformen dieser Transportbox sind durch die Merkmale der Unteranspruche 2 bis 14 gekennzeichnetThis object is achieved by a transport box with the features specified in claim 1. Advantageous embodiments of this transport box are characterized by the features of subclaims 2 to 14
Den Ausgangspunkt der vorliegenden Erfindung stellt die Überlegung dar, daß die vorgenannten Mangel der bekannten Transportbox beseitigt werden können wenn geeignete Vorkehrungen getroffen werden, die Atmosphäre des Transportraumes innerhalb der Transportbox gezielt zu beeinflussen Hierzu sieht die Erfindung vor daß die Transportbox mit zwei Rückschlagventilen ausgerüstet wird, von denen das eine als Einlaßventil und das andere als Auslaßventil ausgebildet ist Die Ventilgehause dieser Ventile bilden dabei einen integralen Bestandteil der denThe starting point of the present invention is the consideration that the aforementioned shortcomings of the known transport box can be eliminated if Suitable precautions are taken to specifically influence the atmosphere of the transport space within the transport box. To this end, the invention provides that the transport box is equipped with two check valves, one of which is designed as an inlet valve and the other as an outlet valve. The valve housing of these valves form an integral part Part of the
Transportraum der Transportbox einschließenden Wandung, sind also mit dieser Wandung unlösbar verbunden Dadurch soll eine bestmögliche Abdichtung zwischen dem Ventilgehause und der Wandung des Transportraums gewährleistet werden Grundsätzlich konnten die beiden Ventile in die Bodenplatte integriert werden Es empfiehlt sich jedoch insbesondere aus Handhabungsgrunden die Ventile mit derTransport space of the wall enclosing the transport box are therefore inseparably connected to this wall.This is to ensure the best possible seal between the valve housing and the wall of the transport space. In principle, the two valves could be integrated in the base plate. However, the valves with the are particularly recommended for handling reasons
Haube zu verbinden, wobei zweckmaßigerweise das Einlaßventil im unteren Teil der Haube und das Auslaßventil im oberen Teil der Haube angebracht wird Da die Haube durch Spritzgießen aus Kunststoff hergestellt wird, sollte das Ventilgehause der Ventile jeweils unmittelbar in diesem Herstellprozeß umspritzt werden, so daß es sich mit der Haube praktisch einstuckig verbindet Vorzugsweise ist das Ventil jeweils als federbelastetes Kugelventil ausgebildet und besitzt ein Kunststoffgehause Das Einlaßventil ist erfindungsgemaß mit einer außen egenden Schnellkupplung versehen, an die von außen eine Medienleitung an den Transportraum angeschlossen werden kann Auf diese Art und Weise ist es möglich, den Transportraum mit einer individuell einstellbaren Atmosphäre zu versehen Hierzu kann durch das Einlaßventil beispielsweise ein Gas mit höchster Partikelfreiheit, ein Trockengas oder im Bedarfsfall auch ein Desinfektionsmittel eingefüllt werden Die vorhandene Atmosphäre kann durch das Auslaßventil nach außen entweichen, so daß das Innere der Transportbox einer Gasspulung unterzogen werden kann Wenn das Spulgas nicht in die Produktionsumgebung entweichen können soll, kann dasTo connect the hood, the inlet valve in the lower part of the hood and the outlet valve in the upper part of the hood being expediently attached. Since the hood is made by injection molding from plastic, the valve housing of the valves should in each case be encapsulated directly in this manufacturing process, so that it is connects to the hood practically in one piece. The valve is preferably designed as a spring-loaded ball valve and has a plastic housing. According to the invention, the inlet valve is provided with an external quick coupling, to which a media line can be connected to the transport space from the outside. In this way, it is possible to provide the transport space with an individually adjustable atmosphere. For example, a gas with maximum particle freedom, a dry gas or, if necessary, a disinfectant can be filled in through the inlet valve The outlet valve can escape to the outside, so that the inside of the transport box can be subjected to gas purging. If the purge gas is not to escape into the production environment, this can
Auslaßventil in vorteilhafter Weiterbildung der Erfindung ebenso wie das Einlaßventil mit einer außenhegenden Schnellkupplung versehen werden, um daran eine entsprechende Abfuhrleitung für das in den Transportraum eingefüllte Medium anschließen zu können Bei Gasen, die schwerer sind als das ursprünglich im Transportraum befindliche Gas, sollte das Einlaßventil auf jeden Fall in der erwähnten Weise unten und das Auslaßventil oben an der Haube angeordnet sein Im umgekehrten Fall, wenn also ein leichteres Gas eingefüllt wird, empfiehlt sich eine umgekehrte Anordnung Besonders vorteilhaft ist es, wenn das Einlaßventil auch an der Innenseite des Transportraums eine Schnellkupplung aufweist Diese Schnellkupplung dient dann zum Anschluß eines Aggregats, mit dem die Atmosphäre des Transportraums beeinflußt werden kann Dies kann beispielsweise eine Filterpatrone zur Reinigung des in den Transportraum über das Einlaßventil einzufüllenden Mediums sein DieIn an advantageous further development of the invention, the outlet valve and the inlet valve are provided with an external quick coupling in order to be able to connect a corresponding discharge line for the medium filled into the transport space. For gases that are heavier than the gas originally located in the transport space, the inlet valve should open in any case in the manner mentioned below and the outlet valve at the top of the hood. In the reverse case, ie when a lighter gas is filled, a reverse arrangement is recommended It is particularly advantageous if the inlet valve also has a quick coupling on the inside of the transport space.This quick coupling then serves to connect an assembly with which the atmosphere of the transport space can be influenced.For example, a filter cartridge for cleaning the filling space to be filled into the transport space via the inlet valve Medium be the
Filterpatrone kann daher beispielsweise ein Aktivkohlefilter oder auch ein Molekularsieb sein Auf der anderen Seite kann die innen egende Schnellkupplung des Einlaßventils auch dazu benutzt werden, um eine Patrone zu befestigen, die ein bezuglich der Atmosphäre des Transportraums aktives Medium beinhaltet Darunter wird im Rahmen der vorliegenden Erfindung beispielsweise ein Mittel verstanden, das Stoffe aus der Atmosphäre des Transportraums gezielt adsorbieren oder absorbieren kann Weiterhin zahlen hierzu auch Mittel, die innerhalb des Transportraums einen Wirkstoff freisetzen können, beispielsweise ein Desinfektionsmittel Insoweit konnte das hierzu verwendete Aggregat selbstverständlich auch mit einer am Auslaßventil auf der Innenseite des Transportraums angeordneten Schnellkupplung verbunden werden In einer weiteren zweckmäßigen Ausfuhrungsform sieht die Erfindung vor, daß auf der Innenseite der Haube und/oder der Bodenplatte zusätzliche Aufnahmeeinrichtungen (z B angeformte Einschub- oder Einstecktaschen) zur Befestigung von Behaltnissen vorgesehen sind, die mit entsprechenden aktiven Matenalien zur Beeinflussung der Atmosphäre des Transportraums gefüllt sind Nach einer weiteren bevorzugten Ausfuhruπgsform sieht die Erfindung einen von außen betatigbaren elektrischen Kontakt vor, mit dem das in dem Aggregat oder den zusätzlichen Behaltnissen befindliche Material aktivierbar ist, also Zugang zur Atmosphäre des Transportraums erhaltThe filter cartridge can therefore be, for example, an activated carbon filter or a molecular sieve. On the other hand, the internal quick coupling of the inlet valve can also be used to fasten a cartridge that contains a medium that is active with respect to the atmosphere of the transport space. This is within the scope of the present invention understood, for example, a means that can adsorb or absorb substances from the atmosphere of the transport space in a targeted manner.Furthermore, there are also means that can release an active ingredient within the transport space, for example a disinfectant of the transport space arranged quick coupling can be connected In a further expedient embodiment, the invention provides that additional receiving devices (eg molded on) on the inside of the hood and / or the base plate e insertion or insertion pockets) are provided for fastening containers, which are filled with corresponding active materials for influencing the atmosphere of the transport space. According to a further preferred embodiment, the invention provides an externally actuable electrical contact with which the in the unit or the material located in additional containers can be activated, that is to say has access to the atmosphere of the transport space
In manchen Fallen kann vorgesehen sein, daß gewisse Druckunterschiede zwischen den Arbeitsraumen der einzelnen Arbeitsstationen zur Umgebung vorliegen Für den Fall, daß der Umgebungsdruck hoher ist, kann es zweckmäßig sein, zur Begrenzung des Unterdrucks im Transportraum der Transportbox das Einlaßventil als Atmungsventil einzustellen, so daß Luft von außen nach innen eindringen kann Um diese eindringende Luft mit einem ausreichenden Reinheitsgrad zu versehen, kann die bereits beschriebene Filterpatrone eingesetzt werdenIn some cases it can be provided that there are certain pressure differences between the working spaces of the individual workstations from the environment.If the ambient pressure is higher, it may be expedient to set the inlet valve as a breathing valve to limit the negative pressure in the transport space of the transport box, so that Air can penetrate from outside to inside In order to provide this penetrating air with a sufficient degree of purity, the filter cartridge already described can be used
Um den maschinellen Transport der erfindungsgemaßen Transportbox zu erleichtern, kann diese von außen, vorzugsweise im Bereich der Haube, mit einer an sich bekannten Koppeleinheit versehen sein, an die z.B. der Greifer eines Transportmittels angreifen kann. Ferner können an der Haube Datenträger angebracht sein, auf denen in maschinell lesbarer Weise der zu transportierende Inhalt der Transportbox festgehalten ist.In order to facilitate the mechanical transport of the transport box according to the invention, it can be carried out from the outside, preferably in the area of the hood, with one per se Known coupling unit can be provided, which can attack, for example, the gripper of a means of transport. Furthermore, data carriers can be attached to the hood, on which the contents of the transport box to be transported are recorded in a machine-readable manner.
Anhand der in der einzigen Figur als Schnittbild dargestellten Transportbox wird die Erfindung nachfolgend näher beschrieben.The invention is described in more detail below with the aid of the transport box shown in the single figure as a sectional view.
Die Figur zeigt die erfindungsgemäße Transportbox lediglich in einer schematischen Darstellung. Auf eine Bodenplatte 1 ist eine aus durchsichtigem Kunststoff gefertigte starre Haube 2 aufgesetzt. Bei diesen beiden Hauptbauteilen der Transportbox handelt es sich jeweils um Kunststoff-Spritzgußteile. Die Bodenplatte ist mit einem Träger 3 versehen, der zur Halterung der zu transportierenden Objekte innerhalb des von der Bodenplatte 1 und der Haube 2 eingeschlossenen Transportraums 5 dient. Um einen möglichst hermetischen Abschluß der Atmosphäre des Transportraums 5 nach außen hin zu gewährleisten, ist ein Dichtsitz 4 zwischen der Haube 2 und der Bodenplatte 1 vorgesehen. Vorzugsweise wird der Dichtsitz 4 nicht durch eine separate Dichtung hergestellt, sondern durch entsprechend paßgenau gearbeitete Dichtflächen an der Bodenplatte 1 und der Haube 2 gewährleistet. An der rechten Seitenwand der Haube 2 ist im unteren Teil ein Kugelrückschlagventil 6 angeordnet, das ein Kunststoff-Ventilgehäuse aufweist und beim Spritzgießen der Haube 2 unmittelbar mit dem durchsichtigen Kunststoff der Haube 2 umspritzt wurde, so daß beide Teile praktisch einstückig miteinander verbunden sind. Dies gewährleistet eine optimale Abdichtung im Verbindungsbereich. Außen weist das Einlaßventil 6 eine Schnellkupplung 8 auf, die zur Verbindung einer Medienzuleitung mit demThe figure shows the transport box according to the invention only in a schematic representation. A rigid hood 2 made of transparent plastic is placed on a base plate 1. These two main components of the transport box are injection molded plastic parts. The base plate is provided with a carrier 3, which serves to hold the objects to be transported within the transport space 5 enclosed by the base plate 1 and the hood 2. In order to ensure that the atmosphere of the transport space 5 is sealed as hermetically as possible, a sealing seat 4 is provided between the hood 2 and the base plate 1. The sealing seat 4 is preferably not produced by a separate seal, but rather is ensured by sealing surfaces on the base plate 1 and the hood 2 which are machined with a precise fit. On the right side wall of the hood 2, a ball check valve 6 is arranged in the lower part, which has a plastic valve housing and was injection molded directly with the transparent plastic of the hood 2 during the injection molding of the hood 2, so that both parts are practically integrally connected to one another. This ensures an optimal seal in the connection area. Outside, the inlet valve 6 has a quick coupling 8 which is used to connect a media supply line to the
Transportraum 5 dient. Auf der Innenseite ist an das Einlaßventil 6 ein 90°-Krümmer angesetzt, der seinerseits mit einer Schnellkupplung versehen ist, über die ein Aggregat 9 (z.B. eine mit einem Zeolith bestückte Filterpatrone) angeschlossen ist. Auf der gegenüberliegenden Seitenwand der Haube 2 ist in deren oberen Teil ein wiederum als Kugelrückschlagventil ausgebildetes Auslaßventil 7 angebracht, das in entsprechender Weise wie das Einlaßventil 6 mit der Haube 2 verbunden ist. in bevorzugter Ausführung der Erfindung ist auch dieses Auslaßventil 7 außen mit einer Schnellkupplung verbunden, so daß eine Medienableitung an den Transportraum 5 anschließbar ist. Auf der Innenseite der Haube 2 und der Bodenplatte 1 sind mehrere nicht näher dargestellte Aufnahmeeinrichtungen angeordnet, die zur Befestigung von Behältnissen 10 dienen, in denen ein Mittel zur Beeinflussung der Atmosphäre des Transportraums 5 untergebracht ist. Hierbei kann es sich beispielsweise um ein Adsorptions- oder Absorptionsmittel handeln, mit dem bestimmte Anteile der Atmosphäre des Transportraums 5 gebunden, also für das zu transportierende Objekt unwirksam gemacht werden können, oder aber auch um Material handeln, das einenTransport room 5 is used. On the inside, a 90 ° elbow is attached to the inlet valve 6, which in turn is provided with a quick coupling via which an assembly 9 (for example a filter cartridge equipped with a zeolite) is connected. On the opposite side wall of the hood 2, an outlet valve 7, which is again designed as a ball check valve, is attached in the upper part thereof and is connected to the hood 2 in a manner corresponding to the inlet valve 6. In a preferred embodiment of the invention, this outlet valve 7 is also connected to the outside with a quick coupling, so that a media discharge line can be connected to the transport space 5. On the inside of the hood 2 and the base plate 1, a plurality of receiving devices, not shown, are arranged, which are used for fastening Serve containers 10, in which a means for influencing the atmosphere of the transport space 5 is housed. This can be, for example, an adsorbent or absorption medium with which certain portions of the atmosphere of the transport space 5 can be bound, that is to say rendered ineffective for the object to be transported, or else it can be material that unites
Wirkstoff freisetzt (z.B. ein Desinfektionsmittel). Im Bereich der Bodenplatte 1 ist schematisch ein elektrischer Kontakt 11 angedeutet, der dazu dient, das in den Behältnissen 10 oder ggf. auch in dem Aggregat 9 eingeschlossene Material zu aktivieren, aiso den Kontakt dieses Materials mit der Atmosphäre des Transportraums 5 herzustellen. An der Oberseite der Haube 2 ist außen eine Koppeleinheit 12 angebracht, die dazu dient, die Transportbox auf einfache und zuverlässige Weise mit einem Transportmittel zu verbinden. Beispielsweise kann ein Greifer an diese Koppeleinheit 12 angreifen. Nicht dargestellt ist in der Figur ein Verriegelungsmechanismus, der selbstverständlich vorhanden sein muß, um den dichten Sitz zwischen der Haube 2 und der Bodenplatte 1 während des Transportes sicher zu gewährleisten. Ein solcher Verriegelungsmechanismus ist in an sich bekannter Weise von außen betätigbar, so daß die Bodenplatte 1 in einer Arbeitsstation auf maschinellem Wege von der Haube 2 getrennt werden kann, um Zugriff auf das transportierte Objekt nehmen zu können.Releases active ingredient (e.g. a disinfectant). An electrical contact 11 is schematically indicated in the area of the base plate 1, which serves to activate the material enclosed in the containers 10 or possibly also in the unit 9, in order to establish the contact of this material with the atmosphere of the transport space 5. On the top of the hood 2, a coupling unit 12 is attached on the outside, which serves to connect the transport box to a means of transport in a simple and reliable manner. For example, a gripper can engage this coupling unit 12. Not shown in the figure is a locking mechanism which, of course, must be present in order to ensure the tight fit between the hood 2 and the base plate 1 during transport. Such a locking mechanism can be actuated from the outside in a manner known per se, so that the base plate 1 can be mechanically separated from the hood 2 in a work station in order to be able to access the transported object.
Die erfindungsgemäße Transportbox erhöht die Sicherheit eines kontaminationsfreien Transports von empfindlichen Objekten gegenüber der bisher bekannten Lösung wesentlich. Der hierfür erforderliche zusätzliche Aufwand bei der Herstellung einer Transportbox ist dabei aber relativ gering. Insbesondere durch die bevorzugte Verwendung von in die Haube eingespritzten Kugelrückschlagventilen ergibt sich eine preiswerte und zugleich im Hinblick auf eine effektive Abdichtung außerordentlich zuverlässige Lösung. The transport box according to the invention significantly increases the safety of contamination-free transport of sensitive objects compared to the previously known solution. The additional effort required to manufacture a transport box is relatively low. In particular, the preferred use of ball check valves injected into the hood results in an inexpensive and, at the same time, extremely reliable solution with regard to effective sealing.

Claims

Patentansprüche: Claims:
1. Transportbox für den kontaminationsfreien Transport von Objekten, - mit einer Bodenplatte (1), insbesondere einer mit einem Träger (3) für das zu transportierende Objekt ausgestatteten Bodenplatte (1 ), mit einer aus Kunststoff spritzgegossenen starren Haube (2), die auf die Bodenplatte (1) zur Einschließung des Objektes aufsetzbar ist, mit einem Dichtsitz (4) zur Abdichtung des von der aufgesetzten Haube (2) und der Bodenplatte (1) eingeschlossenen Transportraums (5) und mit einem von außen betätigbaren Verriegelungssystem, mit dem die Haube mit der Bodenplatte dicht verriegelbar ist, dadurch gekennzeichnet, daß die Transportbox mit zwei Rückschlagventilen versehen ist, von denen das eine als Einlaßventil (6) und das andere als Auslaßventil (7) ausgebildet ist, daß die Ventilgehäuse der Ventile (6, 7) integraler Bestandteil der den Transportraum (5) einschließenden Wandung sind und daß das Einlaßventil (6) mit einer außenliegenden Schnellkupplung (8) für den Anschluß einer Medienleitung versehen ist.1. Transport box for the contamination-free transport of objects, - with a base plate (1), in particular a base plate (1) equipped with a carrier (3) for the object to be transported, with a rigid hood (2) injection-molded from plastic, which the base plate (1) can be placed to enclose the object, with a sealing seat (4) for sealing off the transport space (5) enclosed by the attached hood (2) and the base plate (1) and with an externally operable locking system with which the Hood can be locked tightly with the base plate, characterized in that the transport box is provided with two check valves, one of which is designed as an inlet valve (6) and the other as an outlet valve (7), that the valve housing of the valves (6, 7) are an integral part of the wall enclosing the transport space (5) and that the inlet valve (6) with an external quick coupling (8) for the connection is provided with a media line.
2. Transportbox nach Anspruch 1 , dadurch gekennzeichnet, daß die Ventilgehäuse der Ventile (6, 7) durch Umspritzen beim Spritzgießen der Haube (2) mit dieser einstückig verbunden sind.2. Transport box according to claim 1, characterized in that the valve housing of the valves (6, 7) are integrally connected to the latter by injection molding during injection molding of the hood (2).
3. Transportbox nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Ventile (6, 7) als federbelastete Kugelventile ausgebildet sind.3. Transport box according to claim 1 or 2, characterized in that the valves (6, 7) are designed as spring-loaded ball valves.
Transportbox nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Ventile (6, 7) jeweils ein aus Kunststoff gebildetes Ventilgehäuse aufweisen. Transport box according to one of claims 1 to 3, characterized in that the valves (6, 7) each have a valve housing made of plastic.
5. Transportbox nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß das Einlaßventil (6) im unteren Teil der Haube (2) und das Auslaßventil (7) in deren oberen Teil angeordnet ist.5. Transport box according to one of claims 2 to 4, characterized in that the inlet valve (6) in the lower part of the hood (2) and the outlet valve (7) is arranged in the upper part thereof.
6. Transportbox nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet,. daß das Einlaßventil (6) auch nach innen zum Transportraum (5) hin mit einer Schnellkupplung versehen ist.6. Transport box according to one of claims 1 to 5, characterized ,. that the inlet valve (6) is also provided inwards to the transport space (5) with a quick coupling.
7. Transportbox nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet,. daß an das Einlaßventil (6) auf der Innenseite des Transportraums (5) ein Aggregat (9) zur Beeinflussung der Atmosphäre des Transportraums (5) angekoppelt ist.7. Transport box according to one of claims 1 to 6, characterized ,. that a unit (9) for influencing the atmosphere of the transport space (5) is coupled to the inlet valve (6) on the inside of the transport space (5).
8. Transportbox nach Anspruch 7, dadurch gekennzeichnet, daß das Aggregat (9) als Filterpatrone zur Reinigung eines in den Transportraum (5) einzuführenden Mediums ausgebildet ist.8. Transport box according to claim 7, characterized in that the unit (9) is designed as a filter cartridge for cleaning a medium to be introduced into the transport space (5).
9. Transportbox nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet,. daß das die Haube (2) und/oder die Bodenplatte (1) mit Aufnahmeeinrichtungen zur Befestigung von Behältnissen (10) versehen ist, die ein zur Beeinflussung der Atmosphäre des Transportraums (5) aktives Material beinhalten.9. Transport box according to one of claims 1 to 8, characterized ,. that the hood (2) and / or the base plate (1) is provided with receiving devices for fastening containers (10) which contain an active material for influencing the atmosphere of the transport space (5).
10. Transportbox nach Anspruch 7 oder 9 dadurch gekennzeichnet, daß das Aggregat (9) und/oder die Behältnisse (10) mit adsorbierendem oder absorbierendem Material oder mit einem einen Wirkstoff, insbesondere ein Desinfektionsmittel, freisetzenden Material gefüllt sind. 10. Transport box according to claim 7 or 9, characterized in that the unit (9) and / or the containers (10) are filled with adsorbent or absorbent material or with an active substance, in particular a disinfectant, releasing material.
11. Transportbox nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet,. daß das Auslaßventil (7) an der Außenseite der Haube (2) mit einer Schnellkupplung zur Ableitung eingefüllter Medien aus dem Transportraum (5) versehen ist.11. Transport box according to one of claims 1 to 10, characterized in. that the outlet valve (7) on the outside of the hood (2) is provided with a quick coupling for discharging filled media from the transport space (5).
12. Transportbox nach einem der Ansprüche 1 bis 11 , dadurch gekennzeichnet,. daß das Einlaßventil (6) zur Begrenzung eines Unterdrucks im Transportraum (5) als Atmungsventil eingestellt ist.12. Transport box according to one of claims 1 to 11, characterized in. that the inlet valve (6) for limiting a negative pressure in the transport space (5) is set as a breathing valve.
13. Transportbox nach einem der Ansprüche 7 bis 12, dadurch gekennzeichnet,. daß ein von außen bestätigbarer elektrischer Kontakt (11) vorgesehen ist, mit dem das in dem Aggregat (9) und/oder den Behältnissen (10) befindliche13. Transport box according to one of claims 7 to 12, characterized in. that an externally verifiable electrical contact (11) is provided with which is located in the unit (9) and / or the containers (10)
Material aktivierbar ist.Material can be activated.
14. Transportbox nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet,. daß außen an der Haube (2) eine Koppeleinheit (12) angeordnet ist, mit der die14. Transport box according to one of claims 1 to 13, characterized ,. that on the outside of the hood (2) a coupling unit (12) is arranged with which the
Transportbox an ein Transportmittel ankoppelbar ist. Transport box can be coupled to a means of transport.
EP98962247A 1997-11-21 1998-11-06 Transport box Expired - Lifetime EP1045800B1 (en)

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DE1997153185 DE19753185A1 (en) 1997-11-21 1997-11-21 Pet crate
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PCT/DE1998/003299 WO1999026862A1 (en) 1997-11-21 1998-11-06 Transport box

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