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EP0580813B1 - Procede et dispositif pour le depot monolithique d'une matiere isolante et/ou ignifuge sur une surface - Google Patents

Procede et dispositif pour le depot monolithique d'une matiere isolante et/ou ignifuge sur une surface Download PDF

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Publication number
EP0580813B1
EP0580813B1 EP92922239A EP92922239A EP0580813B1 EP 0580813 B1 EP0580813 B1 EP 0580813B1 EP 92922239 A EP92922239 A EP 92922239A EP 92922239 A EP92922239 A EP 92922239A EP 0580813 B1 EP0580813 B1 EP 0580813B1
Authority
EP
European Patent Office
Prior art keywords
insulating
fireproofing material
hardening agent
adhesive
air volume
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.)
Expired - Lifetime
Application number
EP92922239A
Other languages
German (de)
English (en)
Other versions
EP0580813A1 (fr
Inventor
Walter Potuznik
Josef Himmel
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.)
Burian GmbH and Co KG
Original Assignee
Burian GmbH and Co KG
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 Burian GmbH and Co KG filed Critical Burian GmbH and Co KG
Publication of EP0580813A1 publication Critical patent/EP0580813A1/fr
Application granted granted Critical
Publication of EP0580813B1 publication Critical patent/EP0580813B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0433—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of gas surrounded by an external conduit of liquid upstream the mixing chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/005—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 mounted on vehicles or designed to apply a liquid on a very large surface, e.g. on the road, on the surface of large containers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D15/00—Apparatus or tools for roof working
    • E04D15/07—Apparatus or tools for roof working for handling roofing or sealing material in bulk form

Definitions

  • the invention relates to a method for the monolithic application of an insulation and / or fire protection compound to a surface by means of a spray gun, in which gaseous pressure medium and binder or adhesive are introduced just before the nozzle-shaped outlet, and a device for carrying out the method with a spray gun into which a hose for the supply of gaseous pressure medium, a feed line for binder or adhesive and a hose for the supply of an insulation and / or fire protection material open.
  • asbestos-containing building materials are fire-resistant, which makes the multilayered use in the form of solid components and in the form of liquid raw materials (materials) that have been cast or sprayed understandable.
  • asbestos is a poor conductor of heat, which gave it a certain amount of thermal insulation.
  • the object of the invention is to find a method and to create a device in order to be able to apply an insulation and / or fire protection compound monolithically to a surface, complete mixing being ensured.
  • This object is achieved in that a moving air volume is generated in a conveyor channel by a conveyor fan in a method of the type mentioned, in which an insulating and / or fire protection material and hardener are introduced, which are connected with the air volume in the with the conveyor channel Spray gun.
  • the insulation and / or fire protection compound produced in this way can be monolithically and permanently applied to a surface and retains the properties specific to the insulation and / or fire protection.
  • dam and / or fire protection substance and then preferably powdered hardener is introduced separately into the air volume.
  • the method according to the invention is particularly suitable for insulation and / or fire protection materials which have a lower specific weight than the binder, since the relatively light insulation and / or fire protection material can be transported without problems in the air volume and later the relatively heavy binder or relatively heavy glue is added.
  • Suitable insulation and / or fire protection materials are vermiculite, perlite or rock wool and the like.
  • An adhesive in particular a fire protection adhesive, can be used as the binder.
  • the switching on of the conveying fan, the beginning of the supply of insulation and / or fire protection material, of hardener and of binder or adhesive is preferably delayed by a control unit in accordance with the respective specific weight and the respective conveying path.
  • the delay in the delivery of the individual components compensates for the different acceleration times due to the different specific weights and the different distances of the delivery points to the outlet nozzle of the spray gun. After their acceleration phase, all components have the same speed, namely that of the air volume, which ensures uniform transport of the components.
  • the device according to the invention is characterized in that, in a device of the type mentioned at the outset, a conveying fan is connected with its suction side to one end of a conveying channel into which at least one dispensing device for the insulation and / or fire protection material and for hardener opens and that the conveying fan is on its discharge side has a connection for the hose for supplying the insulation and / or fire protection material mixed with the hardener to the spray gun.
  • the insulation and / or fire protection material and the hardener are not blown through the delivery channel, which would be impossible or difficult for some light materials due to their specific weights, but are sucked in with the moving air volume.
  • the conveying duct preferably has a control flap with which the amount of air in the conveying duct can be controlled.
  • a delivery device for the insulation and / or fire protection material and the hardener preferably open into the delivery channel.
  • the mixing ratio can be changed at any time by the separate addition.
  • the metered delivery can take place, for example, in the delivery device for the hardener by means of a motor-driven screw and in the delivery device for the insulation and / or fire protection material via a compressed air valve.
  • An electronic control device is provided to control these dispensing devices for the insulation and / or fire protection material and the hardener and the dispensing device for the binder or the adhesive, as well as the supply of pressure medium and the conveying fan. With a preselected delivery rate and preselected mixing ratio, the device is easy to operate with the same work result.
  • FIG. 1 shows the device in a side view and FIG. 2 shows the spray gun.
  • a conveying fan 2 is connected to one end of a conveying channel 1 on the one hand and to a connection 12 on the other hand.
  • the conveying channel 1 has a control flap 16 at its other end.
  • a dispensing device 10, 11 for an insulation and / or fire protection substance 3 and hardener 4 each open between the control flap 16 and the conveying fan 2.
  • the discharge of the insulation and / or fire protection substance 3 is achieved by a compressed air valve 17 and the discharge of the hardener 4 regulates a worm driven by motor 18.
  • a hose 13 leads to the spray gun 5 shown in FIG. 2, into which compressed air 7 from a compressed air delivery device 15 on the one hand and via a line 20 and a valve 19 binder or adhesive 8 on the other hand are introduced via a hose 14.
  • the control device 9 activates the delivery device 10 and introduces a constant amount of insulation and / or fire protection material 3 into the air volume.
  • the dispensing device 11 is activated with a slight time delay and a constant amount of hardener 4 is also introduced into the mixture of air and insulation and / or fire protection material.
  • the conveyor blower 2 sucks the air volume with the insulation and / or fire protection material 3 and the hardener 4 and transports it to the spray gun 5. There, a little later, binder or adhesive 8 is added.
  • dam and / or fire protection material 3 Due to the different specific weights of dam and / or fire protection material 3, hardener 4 and binder or adhesive 8, these individual components have different acceleration times in the air volume, these are compensated for by the electronic control.
  • the time delays when the respective dispensing devices are switched on at the start of work have the effect that the mixture sprayed with the gaseous pressure medium from the nozzle-shaped outlet 6 has the preselected mixing ratio from the start, ie it can be processed from the start.
  • the control device 9 controls the switching off of the individual dispensing devices and of the conveying fan in the reverse order, so that there are no useless loss quantities even at the end of the work.
  • the insulation and fire protection compound produced from the above-mentioned materials by the process according to the invention is fire-resistant in accordance with fire resistance class F90, highly fire-retardant in accordance with fire resistance class F60, with low smoke formation (smoke formation class Q1) and small drop formation (drop formation class Tr1), as well as good has a sound-absorbing effect.

Landscapes

  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Building Environments (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Nozzles (AREA)
  • Bipolar Transistors (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Fire Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Spray Control Apparatus (AREA)
  • Insulated Conductors (AREA)
  • Resistance Heating (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Thermal Insulation (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Claims (15)

  1. Procédé pour le dépôt monolithique d'une matière isolante et/ou ignifuge sur une surface au moyen d'un pistolet pulvérisateur (5), où l'on introduit peu avant la sortie en forme de buse (6) un moyen de pression gazeux (7) et des liants ou des colles (8), caractérisé en ce qu'il est produit dans un canal transporteur (1) par une soufflerie de transport (2) en volume d'air mobile dans lequel on introduit une matière isolante et/ou ignifuge et des durcisseurs (4) qui arrivent avec le volume d'air dans le pistolet pulvérisateur (5) relié au canal de transport (1).
  2. Procédé selon la revendication 1, caractérisé en ce que la matière isolante et/ou ignifuge (3) et le durcisseur (4) sont introduits séparément les uns des autres dans le volume d'air.
  3. Procédé selon la revendication 2, caractérisé en ce que la matière isolante et/ou ignifuge (3) est introduite avant le durcisseur (4) dans le volume d'air.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que le durcisseur (4) est pulvérulant.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que la matière isolante et/ou ignifuge (3) a un poids spécifique plus bas que le liant ou la colle (8).
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que la matière isolante et/ou ignifuge est de la vermiculite, de la perlite ou de la laine minérale.
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que le moyen de pression gazeux (7) est de l'air sous pression.
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce que la colle (8) est une colle ignifuge.
  9. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'une unité de commande électronique (9), au début du procédé après la mise en marche de la soufflerie de transport (2), retarde le début de l'amenée de matières isolantes et/ou ignifuges (3), du durcisseur (4) et du liant ou de la colle (8) dans le temps en fonction du poids spécifique respectif et du trajet de transport respectif.
  10. Dispositif pour la mise en oeuvre du procédé selon l'une des revendications 1 à 9, avec un pistolet pulvérisateur (5) dans lequel débouche un tuyau (14) pour l'amenée d'un moyen de pression gazeux (7), une conduite (20) pour le liant ou la colle (8) ainsi qu'un tuyau (13) pour l'amenée d'une matière isolante et/ou ignifuge (3), caractérisé en ce qu'une soufflerie de transport (2) est raccordée avec son côté d'aspiration à une extrémité d'un canal convoyeur (1) dans lequel débouche au moins un dispositif d'émission (10) pour la matière isolante et/ou ignifuge (3) et pour le durcisseur (4), et en ce que la soufflerie de transport (2) présente à son côté d'émission un raccordement (12) pour le tuyau (13) pour l'amenée de la matière isolante et/ou ignifuge (3) mélangée avec le durcisseur (4) au pistolet pulvérisateur (5).
  11. Dispositif selon la revendication 10, caractérisé en ce que le canal convoyeur (1) présente à son autre extrémité un volet régulateur (16).
  12. Dispositif selon l'une des revendications 10 ou 11, caractérisé en ce que respectivement un dispositif d'émission (10, 11) pour la matière isolante et/ou ignifuge (3) et pour le durcisseur (4) débouche dans le canal convoyeur (1).
  13. Dispositif selon l'une des revendications 10 à 12, caractérisé en ce qu'il est prévu pour la commande de la soufflerie de transport (2), de l'amenée du milieu sous pression ainsi que des dispositifs d'émission (10, 11) pour la matière isolante et/ou ignifuge (3), le durcisseur (4) et le liant ou la colle (8) un dispositif de commande électronique (9).
  14. Dispositif selon l'une des revendications 10 à 13, caractérisé en ce qu'il est prévu pour le dosage du durcisseur (4) une vis sans fin entraînée par moteur.
  15. Dispositif selon l'une des revendications 10 à 14, caractérisé en ce qu'il est prévu pour le dosage de la matière isolante et/ou ignifuge (3) une valve pneumatique (17).
EP92922239A 1992-02-17 1992-11-04 Procede et dispositif pour le depot monolithique d'une matiere isolante et/ou ignifuge sur une surface Expired - Lifetime EP0580813B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT0026692A AT399899B (de) 1992-02-17 1992-02-17 Verfahren und vorrichtung zum monolithischen aufbringen einer dämm- und/oder brandschutzmasse auf eine fläche
AT266/92 1992-02-17
PCT/AT1992/000137 WO1993016250A1 (fr) 1992-02-17 1992-11-04 Procede et dispositif pour le depot monolithique d'une matiere isolante et/ou ignifuge sur une surface

Publications (2)

Publication Number Publication Date
EP0580813A1 EP0580813A1 (fr) 1994-02-02
EP0580813B1 true EP0580813B1 (fr) 1996-03-13

Family

ID=3485967

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92922239A Expired - Lifetime EP0580813B1 (fr) 1992-02-17 1992-11-04 Procede et dispositif pour le depot monolithique d'une matiere isolante et/ou ignifuge sur une surface

Country Status (19)

Country Link
US (1) US5467923A (fr)
EP (1) EP0580813B1 (fr)
JP (1) JP2880291B2 (fr)
AT (2) AT399899B (fr)
AU (1) AU2897492A (fr)
CA (1) CA2108541C (fr)
CZ (1) CZ280797B6 (fr)
DE (2) DE9203877U1 (fr)
DK (1) DK0580813T3 (fr)
ES (1) ES2085041T3 (fr)
FI (1) FI106222B (fr)
GR (1) GR3019359T3 (fr)
HU (1) HU211384B (fr)
NO (1) NO302491B1 (fr)
PL (1) PL170605B1 (fr)
RU (1) RU2098576C1 (fr)
SK (1) SK278619B6 (fr)
UA (1) UA27786C2 (fr)
WO (1) WO1993016250A1 (fr)

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* Cited by examiner, † Cited by third party
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DE9410491U1 (de) * 1994-06-29 1994-08-18 Smura, Walter, 59469 Ense Fördereinrichtung
DE10113785C1 (de) * 2001-03-21 2002-12-12 Inotec Gmbh Verfahren zum Auftragen von Mörtel auf eine Auftragsfläche
US6962202B2 (en) * 2003-01-09 2005-11-08 Shell Oil Company Casing conveyed well perforating apparatus and method
DE102015112614A1 (de) 2015-07-31 2017-02-02 Maria Elisabeth Holzweber Verfahren und Vorrichtung zum Auftragen einer Dämmung auf Bauwerken

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Also Published As

Publication number Publication date
HU9302910D0 (en) 1994-03-28
NO933724D0 (no) 1993-10-15
HU211384B (en) 1995-11-28
NO933724L (no) 1993-10-15
JP2880291B2 (ja) 1999-04-05
HUT65742A (en) 1994-07-28
FI106222B (fi) 2000-12-15
CZ280797B6 (cs) 1996-04-17
DE59205704D1 (de) 1996-04-18
EP0580813A1 (fr) 1994-02-02
AT399899B (de) 1995-08-25
WO1993016250A1 (fr) 1993-08-19
DE9203877U1 (de) 1992-07-30
CA2108541C (fr) 2000-10-31
CA2108541A1 (fr) 1993-08-18
AU2897492A (en) 1993-09-03
SK278619B6 (en) 1997-11-05
DK0580813T3 (da) 1996-07-01
ES2085041T3 (es) 1996-05-16
PL170605B1 (pl) 1997-01-31
RU2098576C1 (ru) 1997-12-10
FI934517A0 (fi) 1993-10-13
GR3019359T3 (en) 1996-06-30
ATE135437T1 (de) 1996-03-15
ATA26692A (de) 1994-12-15
JPH06501077A (ja) 1994-01-27
US5467923A (en) 1995-11-21
CZ205993A3 (en) 1994-07-13
NO302491B1 (no) 1998-03-09
SK113093A3 (en) 1994-03-09
UA27786C2 (uk) 2000-10-16
FI934517L (fi) 1993-10-13

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