EP0298022B1 - Fire extinguisher - Google Patents
Fire extinguisher Download PDFInfo
- Publication number
- EP0298022B1 EP0298022B1 EP88810369A EP88810369A EP0298022B1 EP 0298022 B1 EP0298022 B1 EP 0298022B1 EP 88810369 A EP88810369 A EP 88810369A EP 88810369 A EP88810369 A EP 88810369A EP 0298022 B1 EP0298022 B1 EP 0298022B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- handle
- container
- plunger
- fire extinguisher
- cartridge
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/66—Portable extinguishers which are permanently pressurised or pressurised immediately before use with extinguishing material and pressure gas being stored in separate containers
- A62C13/70—Portable extinguishers which are permanently pressurised or pressurised immediately before use with extinguishing material and pressure gas being stored in separate containers characterised by means for releasing the pressure gas
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/76—Details or accessories
Definitions
- the invention relates to a fire extinguisher comprising a container intended to contain an extinguishing product, liquid or pulverulent, and a stopper fixing to screw on this receptacle, for closing it, this stopper comprising a lockable operating member, provided for actuating a means for opening an inert gas cartridge under pressure, removably attached to said screw cap, to be in the container and cause the extinguishant to exit the extinguisher, when said inert gas passes from the cartridge into the container.
- a known fire extinguisher of this type is described in the certificate of addition FR-A-2 502 963, which comprises a handle which, after having been unlocked as is generally the case with fire extinguishers, requires, after that one transported the device, holding it by its handle, near the fire, an actuation operation of the same handle, to produce the working condition of the fire extinguisher, by puncturing a seal to put the container under pressure.
- the present invention makes it possible to eliminate this maneuver from the handle which, under real fire conditions, can cause a loss of precious time, or even forget this maneuver and the uselessness of the extinguisher.
- the solution consists in using the self-weight of the apparatus to produce, by an automatic displacement of the handle, the setting in working condition, of the simple fact of seizing and transporting by hand the extinguisher held by its handle.
- the fire extinguisher according to the invention is in accordance with the claim.
- Figure 1 is a section along 1-1 of Figure 3, showing the bodies in the rest position, the fire extinguisher then being ready for use.
- Figure 2 is a view similar to Figure 1, but showing the organs in the position they occupy when the handle, which was in the inactive position in Figure 1, has passed into the working position.
- Figure 3 is a plan view corresponding to Figure 1, the container body being omitted.
- Figure 4 is a detail view in section along 4-4 of Figure 1.
- Figure 5 is a sectional view on a larger scale, according to 5-5 of Figure 3.
- the fire extinguisher shown comprises a container 1 intended to contain a non-illustrated extinguishing product, liquid or powdery, and a plug formed by a body 2 and a screw ring 3 which is fixed to a thread 4 of the container 1 to seal the container 1 by means of an O-ring 5, interposed between the container 1 and the body 2 of the plug.
- a handle 6 which, when the container 1 is arranged vertically as shown in the drawing is approximately horizontal, is mounted to rotate around a pivot 7 passing through two arms 8, belonging to the body 2.
- a safety pin 9 provided with a ring 10 passes through the part of the handle 6 adjacent to the pivot 7, as well as the two arms 8 of the body 2.
- the ring 10 is used to easily detach the pin which can, moreover, be provided with a plummet thanks to a hole 11 which it presents.
- the part of the handle 6 cooperating with the pivot 7 has two parts 12 forming a sort of fork between the arms of which are the arms 8 of the body 2. Between these two fork arms 12 is a middle arm 13 whose function will be explained below.
- a piston 14 is mounted to slide in a bore of the body 2 of the plug.
- This piston is integral with a metal tip 15 forming a striker, intended to pierce a metal membrane 16 hermetically closing a cartridge 17 containing an inert gas under pressure, nitrogen or carbon dioxide.
- the cartridge 17 is screwed into a nozzle 18 itself screwed into a thread of the body 2.
- the piston 14 has a thread, the reason for which will be explained below.
- a pipe 22 is screwed by one of its ends into the body 2.
- the handle 6 has a notch at 23, while the body 2 has a similar notch at 24.
- An elastic plate, made of plastic for example, 25, is engaged by two opposite edges in the notches 23 and 24 when the members are located in the position shown in Figure 1. It may be, for example, a red colored plate indicating by its presence that the extinguisher is ready for use.
- the part 13 ceases to cooperate with the piston 14 and the latter can return practically to its initial position, its stroke being limited by the contact of 13 and of the bottom 26 of a cut in the upper end of this piston.
- the striker needle 15 is lowered into the position shown in phantom in Figure 2 and, therefore, has perforated the membrane 16 which closed the cartridge 17. From this moment, the gas under pressure in the cartridge flows into the container through the channel 27 and the tube 21. Therefore, a handle, not shown, disposed on the pipe 22, allows to project the extinguishing agent on the fire.
- the handle 6 arriving in the working position according to FIG. 2 cannot be returned to the position according to FIG. 1 without the maneuvers which will be described.
- a special key allows, by cooperation with these protrusions 31, to maneuver the ring 3.
- the handle When the handle has returned to position according to FIG. 1, it only remains to put the safety pin 9 in place and to seal it and replace a new piece of signaling 25, so that the duly filled device is ready to operate again, a new cartridge 17 having obviously been put in place.
- the fire extinguisher described has the advantage of not requiring any particular maneuver to ensure that it is put into working condition (perforation of the seal 16 and pressurization of the interior of the container 1) when necessary. In fact, in the event of a fire, it suffices to take the extinguisher by its handle (after having unlocked it) to transport it, to the place of the fire, by its handle held in the hand, so that automatically, under the effect of its own weight, so without special operation, the extinguisher is in working condition.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing Compositions (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Fireproofing Substances (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
Description
L'invention se rapporte à un extincteur comprenant un récipient prévu pour contenir un produit d'extinction, liquide ou pulvérulent, et un bouchon se fixant à vis sur ce récipient, pour l'obturer, ce bouchon comportant un organe de manoeuvre verrouillable, prévu pour actionner un moyen d'ouverture d'une cartouche de gaz inerte sous pression, fixé de façon amovible sur ledit bouchon à vis, pour se trouver dans le récipient et provoquer la sortie du produit d'extinction hors de l'extincteur, lorsque ledit gaz inerte passe de la cartouche dans le récipient.The invention relates to a fire extinguisher comprising a container intended to contain an extinguishing product, liquid or pulverulent, and a stopper fixing to screw on this receptacle, for closing it, this stopper comprising a lockable operating member, provided for actuating a means for opening an inert gas cartridge under pressure, removably attached to said screw cap, to be in the container and cause the extinguishant to exit the extinguisher, when said inert gas passes from the cartridge into the container.
Un extincteur connu de ce type est décrit dans le certificat d'addition FR-A-2 502 963, qui comporte une poignée qui, après avoir été déverrouillée comme c'est généralement le cas avec les extincteurs, exige, après que l'on a transporté l'appareil, en le tenant par sa poignée, à proximité du foyer de l'incendie, une manoeuvre d'actionnement de cette même poignée, pour produire la mise en condition de travail de l,extincteur, par perforation d'un opercule pour mettre le récipient sous pression.A known fire extinguisher of this type is described in the certificate of addition FR-A-2 502 963, which comprises a handle which, after having been unlocked as is generally the case with fire extinguishers, requires, after that one transported the device, holding it by its handle, near the fire, an actuation operation of the same handle, to produce the working condition of the fire extinguisher, by puncturing a seal to put the container under pressure.
La présente invention permet de supprimer cette manoeuvre de la poignée qui, dans des conditions réelles d'incendie, peut entraîner une perte de temps précieux, voire l'oubli de cette manoeuvre et l'inutilité de l'extincteur. La solution consiste à utiliser le poids propre de l'appareil pour produire, par un déplacement automatique de la poignée, la mise en condition de travail, du simple fait de saisir et transporter à la main l'extincteur tenu par sa poignée.The present invention makes it possible to eliminate this maneuver from the handle which, under real fire conditions, can cause a loss of precious time, or even forget this maneuver and the uselessness of the extinguisher. The solution consists in using the self-weight of the apparatus to produce, by an automatic displacement of the handle, the setting in working condition, of the simple fact of seizing and transporting by hand the extinguisher held by its handle.
L'extincteur selon l'invention est conforme à la revendication.The fire extinguisher according to the invention is in accordance with the claim.
Le dessin annexé représente à titre d'exemple une forme d'exécution de l'extincteur selon l'invention.The accompanying drawing shows by way of example an embodiment of the extinguisher according to the invention.
Figure 1 en est une coupe selon 1-1 de figure 3, montrant les organes en position de repos, l'extincteur étant alors prêt à l'emploi.Figure 1 is a section along 1-1 of Figure 3, showing the bodies in the rest position, the fire extinguisher then being ready for use.
Figure 2 est une vue analogue à la figure 1, mais montrant les organes dans la position qu'ils occupent lorsque la poignée,qui était en position inactive sur la figure 1, a passé en position de travail.Figure 2 is a view similar to Figure 1, but showing the organs in the position they occupy when the handle, which was in the inactive position in Figure 1, has passed into the working position.
Figure 3 est une vue en plan correspondant à la figure 1, le corps du récipient étant omis.Figure 3 is a plan view corresponding to Figure 1, the container body being omitted.
Figure 4 est une vue de détail en coupe selon 4-4 de figure 1.Figure 4 is a detail view in section along 4-4 of Figure 1.
Figure 5 est une vue en coupe à plus grande échelle, selon 5-5 de figure 3.Figure 5 is a sectional view on a larger scale, according to 5-5 of Figure 3.
L'extincteur représenté comprend un récipient 1 prévu pour contenir un produit d'extinction non représenté, liquide ou pulvérulent, et un bouchon formé d'un corps 2 et d'un anneau à vis 3 venant se fixer sur un filetage 4 du récipient 1 pour fermer de façon étanche le récipient 1 grâce à un O-ring 5, interposé entre le récipient 1 et le corps 2 du bouchon. Une poignée 6 qui, lorsque le récipient 1 est disposé verticalement comme représenté sur le dessin est approximativement horizontale, est montée pour tourner autour d'un pivot 7 traversant deux bras 8, appartenant au corps 2. Une goupille de sécurité 9 pourvue d'un anneau 10 traverse la partie de la poignée 6 voisine du pivot 7, ainsi que les deux bras 8 du corps 2. L'anneau 10 sert à détacher facilement la goupille qui peut,d'ailleurs, être munie d'un plomb grâce à un trou 11 qu'elle présente.The fire extinguisher shown comprises a container 1 intended to contain a non-illustrated extinguishing product, liquid or powdery, and a plug formed by a
On voit sur la figure 4 que la partie de la poignée 6 coopérant avec le pivot 7 présente deux parties 12 formant une sorte de fourche entre les bras de laquelle se trouvent les bras 8 du corps 2. Entre ces deux bras de fourche 12 se trouve un bras médian 13 dont on expliquera la fonction plus loin.We see in Figure 4 that the part of the
Un piston 14 est monté pour coulisser dans un alésage du corps 2 du bouchon. Ce piston est solidaire d'une pointe métallique 15 formant percuteur, destinée à venir percer une membrane métallique 16 fermant hermétiquement une cartouche 17 contenant un gaz inerte sous pression, de l'azote ou de l'anhydride carbonique. La cartouche 17 est vissée dans un embout 18 vissé lui-même dans un filetage du corps 2. Un ressort de compression 19,prenant appui sur l'embout 18, sollicite le piston 14 vers le haut sur la figure 1. A sa partie inférieure sur le dessin, en 20, le piston 14 présente un filetage dont on expliquera plus loin la raison d'être. En 21, on voit un tube solidaire à son extrémité supérieure du corps 2 et dont l'extrémité inférieure,non visible sur le dessin, débouche dans le récipient 1. Un tuyau 22 est vissé par une de ses extrémités dans le corps 2. C'est par ce tuyau que sort le produit d'extinction lorsque l'extincteur fonctionne. L'extrémité de ce tuyau, visible sur le dessin, débouche en regard de l'extrémité supérieure fixée dans le corps 2 d'un tube 28 plongeant dans le récipient jusqu'à proximité de son fond. Un canal 27 relie la chambre dans laquelle se déplace le piston 14 avec l'extrémité supérieure du tube 21 (fig. 3 et 5).A
La poignée 6 présente en 23 une encoche, tandis que le corps 2 présente une encoche semblable en 24. Une plaquette élastique, en matière plastique par exemple, 25, est engagée par deux bords opposés dans les encoches 23 et 24 lorsque les organes se trouvent dans la position représentée sur la figure 1. Il peut s'agir, par exemple, d'une plaquette de couleur rouge indiquant par sa présence que l'extincteur est prêt à l'emploi.The
Le fonctionnement de l'extincteur représenté est le suivant.The operation of the fire extinguisher shown is as follows.
Au moment d'employer l'extincteur, on commence par enlever la goupille de sécurité 9 en exerçant une traction sur son anneau 10, de façon que la poignée 6 ne soit plus bloquée dans la position représentée sur la figure 1. Ceci fait, on saisit la poignée 6 pour soulever et transporter l'extincteur à l'endroit de son utilisation. Dès qu'on agit ainsi, le poids de l'extincteur fait que la poignée tourne dans le sens des aiguilles d'une montre sur la figure 1, pour venir dans la position plus ou moins verticale représentée sur la figure 2. Pendant ce mouvement, la partie 13 de cette poignée vient agir sur l'extrémité supérieure du piston 14 pour obliger ce dernier à se déplacer vers le bas, à l'encontre de l'action du ressort 19. Lorsque la poignée est à proximité immédiate de la position selon figure 2, la partie 13 cesse de coopérer avec le piston 14 et celui-ci peut remonter pratiquement dans sa position initiale, sa course étant limitée par le contact de 13 et du fond 26 d'une entaille de l'extrémité supérieure de ce piston. Pendant le mouvement de descente du piston, l'aiguille percuteur 15 est descendue jusque dans la position représentée en traits mixtes sur la figure 2 et, par conséquent, a perforé la membrane 16 qui fermait la cartouche 17. Dès ce moment, le gaz sous pression dans la cartouche s'écoule dans le récipient à travers le canal 27 et le tube 21. Dès lors, une manette, non représentée, disposée sur le tuyau 22, permet de projeter le produit d'extinction sur le foyer d'incendie. La poignée 6 arrivée en position de travail selon figure 2 ne peut pas être ramenée en position selon figure 1 sans les manoeuvres que l'on va décrire. La position de cette manette quasiment verticale montre déjà que l'appareil n'est plus en position d'utilisation. De plus, la pièce 25 a été éjectée pendant le mouvement de la manette, de la position figure 1 à la position figure 2. On voit donc que l'appareil a été manipulé et n'est probablement plus apte à l'extinction.When using the extinguisher, we start by removing the
C'est au moment du remplissage à nouveau du récipient 1 que l'on peut ramener la poignée 6 dans la position selon figure 1. Pour cela, on dévisse la cartouche 17 (figure 5) et l'on introduit à sa place dans l'embout 18 l'extrémité filetée intérieurement en 29 d'une clé 30. On visse cette partie filetée 29 sur la partie filetée 20 du piston 14 et on exerce une traction sur ce piston, en direction du bas sur le dessin, de manière que le piston libère la partie 13 de la poignée 6 et permette le retour de cette dernière en position selon figure 1. Bien entendu, cette opération ne peut avoir lieu qu'après avoir dévissé le couvercle en faisant tourner l'anneau fileté 3. Par mesure de sécurité, cet anneau présente des protubérances 31 au nombre de quatre, dont seulement trois sont visibles sur la figure 3. Une clé spéciale permet, par coopération avec ces protubérances 31, de manoeuvrer l'anneau 3. Lorsque la poignée est revenue en position selon figure 1, il ne reste plus qu'à mettre en place la goupille de sécurité 9 et à la plomber et de remettre en place une nouvelle pièce de signalisation 25, pour que l'appareil dûment rempli soit prêt à fonctionner à nouveau, une nouvelle cartouche 17 ayant été évidemment mise en place.It is when the container 1 is again filled that the
L'extincteur décrit présente l'avantage de ne nécessiter aucune manoeuvre particulière pour assurer sa mise en condition de travail (perforation de l'opercule 16 et mise sous pression de l'intérieur du récipient 1) lorsque c'est nécessaire. En effet, en cas d'incendie, il suffit de prendre l'extincteur par sa poignée (après l'avoir déverrouillé) pour le transporter, à l'endroit du feu, par sa poignée tenue à la main, pour qu'automatiquement, sous l'effet de son propre poids, donc sans manoeuvre spéciale, l'extincteur se trouve en condition de travail. Ceci est très important car lors d'un incendie, l'extincteur est saisi et transporté à l'endroit du feu, par une personne qui n'est pas familiarisée avec l'emploi des extincteurs et qui, par conséquent, lorsqu'il s'agit d'un appareil de type connu, risque de perdre un temps précieux en cherchant, une fois près du foyer, ce qu'il faut encore faire pour rendre l'appareil opérationnel.The fire extinguisher described has the advantage of not requiring any particular maneuver to ensure that it is put into working condition (perforation of the
Claims (1)
- A fire extinguisher comprising a container (1) designed for containing an extinguishing product and a cap (2, 3) fastened on the upper part of this container by threaded engagement to obturate the same, this cap comprising a lockable operating member (6) designed for operating a spring (19) plunger (14) carrying a striking pin (15) for opening a cartridge (17) of a pressurized inert gas fastened in a detachable manner onto said threaded cap, to enter the container and provoke the release of the extinguishing product out of the fire extinguisher when said inert gas passes from the cartridge into the container, the operating member being a handle (6) capable of pivoting with respect to the cap (2, 3) between an inactive position and a working position, characterized in that the inactive position (fig. 1) of said handle (6) is its lower position when the fire extinguisher is in the vertical position with the container (1) downwards, whereas its active position (fig. 2) is then its upper position, such that, when said handle (6) is grasped in the inactive and previously unlocked position while the fire extinguisher is in the normal vertical position with the handle (6) above the container (1) to lift and move the fire extinguisher, the weight of the latter forces this handle to come into its upper operating position (fig. 2), in that said plunger (14) with a striking pin (15) is under the effect of its spring (19) in the rest position as long as the handle itself is in the inactive position, this handle (6) having an actuator part (13) acting upon this plunger (14) to bring it into the active opening position of the cartridge, when this handle rotates to its upper working position under the effect of the weight of the fire extinguisher, this actuator part (13) stopping its action on this plunger when the handle reaches the end of its working stroke, thus enabling this plunger (14) with the striking pin (15) to return under the effect of its spring (19) to its rest position in which it then immobilizes the handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT88810369T ATE85762T1 (en) | 1987-07-03 | 1988-06-07 | FIRE EXTINGUISHERS. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH2534/87A CH672257A5 (en) | 1987-07-03 | 1987-07-03 | |
| CH2534/87 | 1987-07-03 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0298022A2 EP0298022A2 (en) | 1989-01-04 |
| EP0298022A3 EP0298022A3 (en) | 1990-01-31 |
| EP0298022B1 true EP0298022B1 (en) | 1993-02-17 |
Family
ID=4235965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP88810369A Expired - Lifetime EP0298022B1 (en) | 1987-07-03 | 1988-06-07 | Fire extinguisher |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0298022B1 (en) |
| AT (1) | ATE85762T1 (en) |
| CH (1) | CH672257A5 (en) |
| DE (1) | DE3878493T2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2741811B1 (en) * | 1995-12-05 | 1998-01-16 | Snc S2E Services | EXTINGUISHING APPARATUS AND CRADLE FOR FIXING THIS APPARATUS, WHEN PORTABLE, TO A SUPPORT |
| DE19710300A1 (en) * | 1997-03-13 | 1998-09-17 | Bavaria Egypt S A E | Fire extinguisher |
| EP1311324A1 (en) * | 2000-08-22 | 2003-05-21 | Vidar Simonsen | Automatically activated fire extinguisher |
| JP5203256B2 (en) * | 2009-02-27 | 2013-06-05 | 株式会社初田製作所 | Safety plugs and fire extinguishers for fire extinguishers |
| KR20190090890A (en) * | 2014-06-24 | 2019-08-02 | 루소, 아이엔씨. | Fire extinguisher with internal mixing and gas cartridge |
| US10926119B1 (en) | 2014-06-24 | 2021-02-23 | Rusoh Inc. | Fire extinguisher with internal mixing and gas cartridge |
| US9993673B2 (en) * | 2014-06-24 | 2018-06-12 | Hector Rousseau | Fire extinguisher with internal mixing and gas cartridge |
| US11383115B1 (en) | 2014-09-08 | 2022-07-12 | Hector Rousseau | Smart fire extinguisher |
| US11305140B1 (en) | 2019-05-31 | 2022-04-19 | Rusoh, Inc. | Fire extinguisher with internal mixing and gas cartridge |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3105458A (en) * | 1959-10-30 | 1963-10-01 | Ansul Chemical Co | Visual indicators |
| FR2263004A1 (en) * | 1974-03-08 | 1975-10-03 | Halbique Raymond | Fire extinguisher control - actuator member and gas receiver striker lock together after use |
| FR2446651A1 (en) * | 1979-01-18 | 1980-08-14 | Murray Gaston | Striker for fire extinguisher - has carrying handle pulled down onto striker pin after removing safety strip and indicator showing contents |
| FR2483892B1 (en) * | 1980-06-06 | 1986-05-02 | Schiffers Pierre | DUAL CONTROL SYSTEM FOR PERCUSSION TAP |
| FR2483789A1 (en) * | 1980-06-09 | 1981-12-11 | Rot Extincteurs | Fire extinguisher control mechanism - has screw-threaded bush forming abutment for return spring acting against striker |
| FR2502963A2 (en) * | 1980-06-09 | 1982-10-08 | Rot Sa Extincteurs | Recharger for fire extinguisher - has socket allowing striker pin to be released from handle and removed from plug |
-
1987
- 1987-07-03 CH CH2534/87A patent/CH672257A5/fr not_active IP Right Cessation
-
1988
- 1988-06-07 DE DE8888810369T patent/DE3878493T2/en not_active Expired - Fee Related
- 1988-06-07 EP EP88810369A patent/EP0298022B1/en not_active Expired - Lifetime
- 1988-06-07 AT AT88810369T patent/ATE85762T1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3878493D1 (en) | 1993-03-25 |
| EP0298022A3 (en) | 1990-01-31 |
| EP0298022A2 (en) | 1989-01-04 |
| DE3878493T2 (en) | 1993-06-09 |
| CH672257A5 (en) | 1989-11-15 |
| ATE85762T1 (en) | 1993-03-15 |
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