EP1046427B1 - Pistolet pour mousse d'uréthane ou produit similaire - Google Patents

Pistolet pour mousse d'uréthane ou produit similaire Download PDF

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Publication number
EP1046427B1
EP1046427B1 EP99108050A EP99108050A EP1046427B1 EP 1046427 B1 EP1046427 B1 EP 1046427B1 EP 99108050 A EP99108050 A EP 99108050A EP 99108050 A EP99108050 A EP 99108050A EP 1046427 B1 EP1046427 B1 EP 1046427B1
Authority
EP
European Patent Office
Prior art keywords
rotor
handle structure
valve rod
outlet opening
nozzle
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
EP99108050A
Other languages
German (de)
English (en)
Other versions
EP1046427A1 (fr
Inventor
Clive Addison
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE69906479T priority Critical patent/DE69906479T2/de
Priority to AT99108050T priority patent/ATE235967T1/de
Priority to EP99108050A priority patent/EP1046427B1/fr
Publication of EP1046427A1 publication Critical patent/EP1046427A1/fr
Application granted granted Critical
Publication of EP1046427B1 publication Critical patent/EP1046427B1/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
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/0894—Gun with a container which, in normal use, is located above the gun
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/002—Manually-actuated controlling means, e.g. push buttons, levers or triggers
    • B05B12/0022—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement
    • B05B12/0024—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement to a single position
    • B05B12/0026—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement to a single position to inhibit delivery
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • B65D83/20—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B65D83/207—Actuators comprising a manually operated valve and being attachable to the aerosol container, e.g. downstream a valve fitted to the container; Actuators associated to container valves with valve seats located outside the aerosol container
    • 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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2408—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle characterised by the container or its attachment means to the spray apparatus
    • B05B7/2413—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle characterised by the container or its attachment means to the spray apparatus with means for changing the position or the orientation of the container relative to the spray apparatus

Definitions

  • Foam dispensing guns are widely used in construction and repair work for the application of foam material, such as urethane foam, in applying the foam in mounting panels or other components. Utilization of such foam guns involves the problem of foam material hardening in the nozzle and other components, thus presenting difficulties in removing the hardened foam, and problems are encountered in the positioning of a gun nozzle to apply foam at specific locations because a foam supply container extending from a gun often encounters obstructions such as structural members, which impede or prevent access to locations at which foam is to be applied.
  • foam material such as urethane foam
  • the present invention addresses the problem of clogged nozzles and other components by providing a readily removable and replaceable assembly including the nozzle and certain other components.
  • the problem of positioning a gun nozzle for applications of plastic foam, while avoiding obstruction of a foam container on the gun is resolved by providing a manually operable indexing system for positioning a container carrier and container thereon in any of three orientations relative to a gun body axis, and retaining the container carrier in selected orientation.
  • the indexing system includes a rotor with an outwardly extending positioning lug positionable in a slot between yoke members on a manually operable slide component. With the positioning lug disposed in the slot between the yoke members, the foam container is disposed in generally vertical relation to the rotor axis and the gun nozzle.
  • the container With the rotor positioning lug disposed 90° in either direction from the vertical orientation, the container is disposed 90° in either selected direction from the vertical.
  • the rotor and container are maintained in selected horizontal position by engagement of the positioning lug on the end of one of the yokes, with the container mount supported at one of opposite end portions of a slot extending across the upper portion of the gun body.
  • a prior art gun for spraying foam plastic and the like comprising a body and handle structure, a removable assembly including a nozzle with an outlet opening, a valve rod with a cap thereon opposite from the outlet opening, and a spring disposed about and retained on the valve rod, a securement member for removably securing said assembly to said body and handle structure for removal and replacement of said assembly, and a rotor rotatable about its axis attached to the body and handle structure, said rotor having thereon a container mount.
  • the invention is defined by claim 1.
  • the present invention provides two important functions and advantages.
  • One is the convenient removability of an assembly including an outlet nozzle and other components for replacement thereof after the nozzle and assembly become clogged by hardened eurothane foam.
  • the second is a mechanism operable to position a container mount in different orientations relative to the axis of the gun, to give better access in different situations to areas to which foam is to be applied.
  • FIG. 1 A preferred embodiment 10 of the invention is shown (Figs. 1 and 2) as comprising a removable assembly, best shown in Fig. 2, including a nozzle 12, a cap member 14, a valve rod 16, and a helical spring 22 disposed about valve rod 16 and retained, as by annular knob 24.
  • a locking member 32 is disposed on the nozzle 12 and threadedly engages a threaded portion 34 of the nozzle for rotation to secure the nozzle relative to body 36 of the gun. Counter-rotation of the locking member disengages it from the nozzle.
  • the assembly is then removable from the gun housing 36 by urging the assembly leftward by exertion of force on the nozzle 12 and/or by pulling on cap 14. The assembly is thus readily replaceable, as when it becomes caked with hardened urethane foam, the replacement assembly being inserted through the gun body 36 and nozzle 12 secured relative to the gun body by the locking member.
  • a relatively large trigger structure 38 is pivotable about a pivot 40 mounted on a lower interior wall of gun handle 42 (Fig. 2).
  • the handle 42 and trigger 38 are grasped to urge upper annular trigger portion 44 (Figs. 2 and 5) leftward to engage the annular portion 46 of actuator member 49 to move it and its elongated arms 48 of arcuate cross-section to positions wherein they occupy slots 50, 52 defined in rotor 30 to cooperate with the cylindrical configuration of the rotor to define a combined cylindrical surface, and to urge the annular portion of actuator 49 against reduced portion 54 of rotor 30, thus to urge the arms 48 and rotor 30 against cap 14 to move rod 16 out of outlet opening 20 at the outer end of the nozzle, whereupon urethane foam passes from a container 62 to the nozzle and outwardly via the outlet opening 20.
  • a trigger lock mechanism 64 is operable to prevent operation of the trigger 38, and includes a slide member 66, typically actuable by thumb action on its tab portion disposed exteriorly of the handle wall in a groove in the wall of the handle, and is connected by a rod 68 to slide member 66.
  • the slide member 66 is operable to engage or disengage from shoulder 70. Engagement of the slide member with the shoulder prevents trigger movement, and with the slide member 66 in its upward position, as viewed (Fig. 2), it is above the shoulder 70 so that the trigger may be manually operated.
  • the shoulder 70 is defined by vertical surface 72 and horizontal surface 74 which extend across the interior of handle 42. Spaced parallel ridges 73, 75 on the handle wall, shown in broken lines, and a cooperating ridge 76 on the slide member enable the slide member ridge to be snapped into position between wall ridges 73, 75 to retain the slide member in position.
  • An indexing system enables an operator to position the container carrier 60 and container 62 thereon (Figs. 1 and 3) to any of three positions or orientations, and to retain them in selected position.
  • a slide member 78 is movable by manual pressure on its pad portion 80 against the urging of spring 82 on a retainer member on the handle interior wall.
  • yoke arms 84, 86 Disposed on slide member 78, and typically formed integrally therewith, are yoke arms 84, 86 which define a slot 88 therebetween adapted to receive a positioning lug 90 which extends radially outwardly from an end portion of rotor 30, as shown.
  • container mount 60 is oriented vertically in which position it is retained by engagement of lug 90 in the slot 88 with slide member 78 in its withdrawn, retracted position (phantom outline in Fig. 6).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Toys (AREA)
  • Coating Apparatus (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (7)

  1. Un pistolet pour la projection de matière plastique en mousse ou analogue, comprenant :
    une structure se composant d'un corps (36) et d'une poignée (42),
    un ensemble séparable se composant d'une buse (12) présentant une ouverture de sortie (20), une tige de soupape (16) munie d'un capuchon (14) à l'extrémité opposée à l'ouverture de sortie et un ressort (22) situé autour et maintenu par la tige de soupape,
    un organe de fixation (32) destiné à fixer de manière séparable ledit ensemble sur ladite structure de corps et poignée en vue de la séparation et du remplacement dudit ensemble,
    un rotor (30) rotatif autour de son axe dans la structure se composant du corps et de la poignée, ledit rotor portant un volume (60) s'étendant à l'extérieur de la structure composée du corps et de la poignée à travers une fente (94),
    une détente (38) comportant une portion supérieure (44) rencontrant ledit rotor de manière à déplacer le rotor contre ledit capuchon de la tige de soupape (14) en vue de déplacer la tige de soupape depuis ladite ouverture de sortie en vue de projeter la matière plastique.
  2. Un pistolet selon la revendication 1, dans lequel ledit ensemble est séparable de ladite structure de corps et poignée par désengagement de l'élément de fixation en vue de permettre le détachement dudit ensemble en exerçant une force repoussant la buse vers la structure de corps et poignée et vers l'extérieur depuis ladite structure.
  3. Un pistolet selon la revendication 1, dans lequel ledit élément de fixation est monté par vissage sur la buse au voisinage du corps de la structure en vue de tourner pour fixer ou libérer ledit ensemble.
  4. Un pistolet selon la revendication 1, dans lequel ladite détente se compose d'un élément de détente monté pivotant dans la structure à poignée et présentant une portion terminale supérieure repoussant un élément d'actionnement et des bras allongés sur celui-ci contre ledit capuchon en vue de déplacer la tige de soupape depuis ladite ouverture de sortie.
  5. Un pistolet selon la revendication 4, dans lequel ledit rotor présente des fentes allongées et l'élément d'actionnement présente des bras allongés destinés à coopérer avec les fentes pour former avec le rotor une surface de rotor cylindrique.
  6. Un pistolet selon la revendication 1, comportant au surplus un mécanisme d'indexation en vue de positionner et de retenir ledit rotor dans des orientations sélectionnées par rapport à ladite structure à corps et poignée, ledit mécanisme d'indexation se composant d'une patte sur le rotor au voisinage de l'extrémité du rotor opposée à l'ouverture de sortie de la buse.
  7. Un pistolet selon la revendication 1, comprenant au surplus un mécanisme d'indexation comprenant :
    une patte d'indexation s'étendant radialement vers l'extérieur depuis une portion terminale dudit rotor éloignée de l'ouverture de sortie de la buse,
    une fente dans ladite structure à corps et poignée s'étendant à travers la portion supérieure dans les portions latérales de ladite structure à corps et poignée en vue de recevoir et de positionner le volume dans diverses orientations par rapport à l'axe du rotor,
    un élément coulissant présentant sur lui et séparé l'une de l'autre des pièces d'accouplement en vue de définir entre elles une fente, ledit élément coulissant étant normalement positionné avec la patte du rotor disposée dans ladite fente entre les éléments d'accouplement en vue de maintenir le rotor orienté pour positionner le volume de manière à ce qu'il s'étende verticalement à ladite structure à corps et poignée et
    ledit élément coulissant étant déplaçable vers l'intérieur de la structure à corps et poignée en vue de déplacer ladite patte du rotor depuis ladite fente de manière à permettre la rotation du volume dans le sens des aiguilles d'une montre ou dans le sens inverse, ledit volume étant positionné normalement par rapport à ladite orientation verticale du volume, ledit volume étant supporté dans les portions terminales respectives de ladite fente du corps et retenu vis à vis de la rotation dans le sens inverse des aiguilles d'une montre par contact de ladite patte du rotor sur les portions terminales des éléments d'accouplement respectifs.
EP99108050A 1999-04-23 1999-04-23 Pistolet pour mousse d'uréthane ou produit similaire Expired - Lifetime EP1046427B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE69906479T DE69906479T2 (de) 1999-04-23 1999-04-23 Pistole für Urethanschäume oder dergleichen
AT99108050T ATE235967T1 (de) 1999-04-23 1999-04-23 Pistole für urethanschäume oder dergleichen
EP99108050A EP1046427B1 (fr) 1999-04-23 1999-04-23 Pistolet pour mousse d'uréthane ou produit similaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99108050A EP1046427B1 (fr) 1999-04-23 1999-04-23 Pistolet pour mousse d'uréthane ou produit similaire

Publications (2)

Publication Number Publication Date
EP1046427A1 EP1046427A1 (fr) 2000-10-25
EP1046427B1 true EP1046427B1 (fr) 2003-04-02

Family

ID=8238028

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99108050A Expired - Lifetime EP1046427B1 (fr) 1999-04-23 1999-04-23 Pistolet pour mousse d'uréthane ou produit similaire

Country Status (3)

Country Link
EP (1) EP1046427B1 (fr)
AT (1) ATE235967T1 (fr)
DE (1) DE69906479T2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010078817A1 (fr) * 2009-01-06 2010-07-15 Zheng Ying Canon à mousse à dispositif de régulation
CN105289869A (zh) * 2015-11-30 2016-02-03 上海申尉医疗器械有限公司 一种医用喷枪枪头的简便快速轮换机构

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2275208A1 (fr) 2009-07-17 2011-01-19 Altachem Holdings NV Pistolet distributeur de fluides pressurisés avec un réservoir réglable en hauteur
EP2762235A1 (fr) 2013-02-01 2014-08-06 Altachem N.V. Pistolet distributeur de fluides pressurisés
WO2014198218A1 (fr) * 2013-06-11 2014-12-18 Wang Liang Pistolet de matage à mousse
DE202018006790U1 (de) 2018-07-02 2022-12-19 Karlheinz Geb Schaumpistole
DE102018115912B4 (de) 2018-07-02 2022-12-29 Karlheinz Geb Schaumpistole
CN112076903A (zh) * 2019-05-27 2020-12-15 天津瑞恩沃机械设备有限公司 一种具有加热功能的机械设备喷油枪

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4412282A1 (de) * 1994-04-09 1995-10-12 Ehrensperger C Ag Montageschaum-Pistole
DE4416939A1 (de) * 1994-05-13 1995-11-16 Bruno Jesswein Kunststofftechn Spritzpistole
US5887756A (en) * 1994-06-23 1999-03-30 Insta-Foam Products, Inc. Dispensing gun with valving rod and bellows-type seal
DE19503495A1 (de) * 1995-02-03 1996-08-08 Amv Autom Montage Vertrieb Fa Spritzpistole mit ansetzbaren Düsenelementen
DE29515552U1 (de) * 1995-09-29 1997-02-06 Fischer Artur Werke Gmbh Pistole für Polyurethanschaum o.dgl.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010078817A1 (fr) * 2009-01-06 2010-07-15 Zheng Ying Canon à mousse à dispositif de régulation
CN105289869A (zh) * 2015-11-30 2016-02-03 上海申尉医疗器械有限公司 一种医用喷枪枪头的简便快速轮换机构

Also Published As

Publication number Publication date
EP1046427A1 (fr) 2000-10-25
ATE235967T1 (de) 2003-04-15
DE69906479T2 (de) 2004-03-18
DE69906479D1 (de) 2003-05-08

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