EP0773044A1 - Betätigungseinrichtung für Feuerlöscher - Google Patents

Betätigungseinrichtung für Feuerlöscher Download PDF

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Publication number
EP0773044A1
EP0773044A1 EP96420326A EP96420326A EP0773044A1 EP 0773044 A1 EP0773044 A1 EP 0773044A1 EP 96420326 A EP96420326 A EP 96420326A EP 96420326 A EP96420326 A EP 96420326A EP 0773044 A1 EP0773044 A1 EP 0773044A1
Authority
EP
European Patent Office
Prior art keywords
pin
control system
tank
operating device
fire extinguisher
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
EP96420326A
Other languages
English (en)
French (fr)
Other versions
EP0773044B1 (de
Inventor
Christian Thery
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.)
Usines Desautel SA
Original Assignee
Usines Desautel SA
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 Usines Desautel SA filed Critical Usines Desautel SA
Publication of EP0773044A1 publication Critical patent/EP0773044A1/de
Application granted granted Critical
Publication of EP0773044B1 publication Critical patent/EP0773044B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A62C13/76—Details or accessories

Definitions

  • the invention relates to a device for operating a fire extinguisher. It more specifically aims to prevent fraudulent operation of a fire extinguisher.
  • the fire extinguishers known from the prior art can be of two types. They can include a constantly pressurized tank, this is called a permanent pressure fire extinguisher. They can also include a reservoir in which is mounted a cartridge of a propellant gas such as for example carbon dioxide and a striker which can be operated by means of a handle. When it is necessary to use the extinguisher, the handle moves a striker against a foil of the cartridge and the cartridge is perforated to release the propellant inside the tank.
  • a propellant gas such as for example carbon dioxide
  • the displacement indicator shows whether the control device has been activated, it in no way guarantees that the extinguisher is in working order. Indeed, it is possible that an indelicate user accesses the interior of the tank by disconnecting the control system from the tank.
  • Known control systems are generally mounted on the tank by means of nuts tightened on one or more threaded rods or by means of a ring integral with the control system and engaging on an external thread of the tank. In all cases, it is possible to loosen the nuts or the ring and separate the control system from the tank without manipulating the pin.
  • An indelicate or malicious user can thus empty the tank powder or liquid it contains, or even replace these products with a flammable liquid, which can make the extinguisher particularly dangerous. It is also possible for an indelicate user to delete the propellant cartridge, for example to recover it for another use. It is therefore important for the safety of people and property to ensure that a fire extinguisher whose pin has not been moved is in good working order.
  • the invention achieves this goal by means of a simple and economical device. It relates to a device for operating a fire extinguisher of the type comprising a control system mounted on a tank and lockable by means of a pin, characterized in that said pin is capable of preventing the operation of the means for fixing the control system to the reservoir.
  • the pin may include an extension which covers at least one of the nuts, so that it is not possible to operate this nut when the pin is in place.
  • the control system is mounted on the reservoir by means of a ring, provision may be made for this ring to carry external grooves and for the pin to include an extension capable of engaging in one of the grooves so that the ring is locked in rotation by a boss on which the extension abuts.
  • the device further comprises an indicator for displacement of the pin outside of its locking position. Thus, if a user has moved the pin to access the interior of the tank, this indicator will be broken or deformed and an inspector or a maintenance agent will easily detect this maneuver.
  • the fire extinguisher 1 of FIG. 1 comprises a metal tank 2 on which is fixed, by means of two nuts 3 and 3 ', a plate 4 supporting a control system.
  • the control system comprises a handle 5 for transporting and operating the extinguisher, it further comprises a cartridge 6 of propellant gas such as, for example, carbon dioxide. Finally, it comprises a dip tube 7, the lower end of which is immersed in a mass 8 of liquid or powdery extinguishing product.
  • a striker 12 is mounted integral with the handle 5 opposite a foil defining the upper part of the cartridge 6, so that a pressure on the handle 5 makes it possible to pierce the cartridge 6.
  • the downstream end of the tube 7 is connected to a flexible external conduit 9 and terminated by a handle 10 intended to be taken in hand by a user.
  • a pin 11 is inserted into the control system so as to keep the striker 12 away from the foil of the cartridge 6 in order to avoid any untimely perforation of the latter.
  • the pin 11 is extended outwards by a ring-shaped handle 11a in which a user can pass one or more fingers to exert a pulling force in order to extract the pin from its housing, which makes it possible to release the striker and press it against the foil of the cartridge 6 using the handle 5.
  • the pin 11 is provided with an extension 11b which covers one of the nuts 3, so that it is not possible to maneuver this nut when the pin 11 is in place.
  • the pin is able to prevent the operation of the fixing means of the control system, formed by the elements mounted on the plate 4 on the tank.
  • the extension 11b here has a form of cap, but any form of the extension 11b which prevents the operation of at least one of the nuts 3 is adapted to fulfill the function of the invention.
  • the device further comprises an indicator of displacement of the pin from its locking position.
  • This is a link 14 around a fixed part of the control system such as for example the handle 5 and passing through the handle 11a of the pin 11.
  • This link 14 is provided with a lead 15 intended to break if the link 14 is subjected to a tensile force, which is the case that one tries to move the handle 11a of the pin 11 away from the handle 5 of the extinguisher.
  • the displacement indicator here is made of lead, but it could also be made of deformable plastic.
  • FIG. 4 is a view similar to FIG. 2 showing a second embodiment of the invention in which the elements similar to those of FIGS. 1 and 2 bear identical references increased by 50.
  • the fire extinguisher 51 of this embodiment differs from the previous embodiment essentially in that the plate 54 is circular and surrounded by a ring 70 intended to cooperate with an external thread surrounding the upper opening of the tank 52.
  • the handle 55 here is a rod shape with a rectangular section, but the invention applies to both embodiments whatever the shape of the handle.
  • the ring 70 is provided with external grooves 70 a , which facilitates its operation when it is tightened or loosened.
  • the handle 61a of the pin 61 is, for its part, provided with two lugs 61 c and 61 d capable of engaging each in a groove 70 a of the ring 70.
  • a boss 71 is provided near the ring 70 so that, given its thickness, the pin 61 d driven during the loosening abuts against the boss 71 and the rotation of the ring 70 and the plate 54 is thus prevented. It can be noted that the position of the pin 61 relative to the boss 71 is independent of the blocking characteristic insofar as the threading on the reservoir 70 is provided so that more than one turn of the ring 70 is necessary to loosen it .
  • the device also includes a pin displacement indicator.
  • This is a plastic tongue 72 fixed on the handle 61 a of the pin 61 and captive with a notch 73 formed in the handle 55.
  • the tongue 72 can be provided with an identification marking such than the year of the last check. If an operator exerts on the handle 61 has a pulling force to move the lugs 61 c and 61 d from the grooves 70 a, he exerts the same force on the tongue 72 which is then broken because it is trapped in the notch 73. To facilitate this rupture, provision can be made for the tongue 72 to be precut in its zone of maximum stress in the event of displacement. Thus, any attempt to access the interior of the reservoir 52 is detectable by the rupture of the tongue 72.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Manipulator (AREA)
EP96420326A 1995-11-09 1996-11-07 Betätigungseinrichtung für Feuerlöscher Expired - Lifetime EP0773044B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9513497 1995-11-09
FR9513497A FR2740979B1 (fr) 1995-11-09 1995-11-09 Dispositif de manoeuvre d'un extincteur

Publications (2)

Publication Number Publication Date
EP0773044A1 true EP0773044A1 (de) 1997-05-14
EP0773044B1 EP0773044B1 (de) 2004-01-14

Family

ID=9484565

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96420326A Expired - Lifetime EP0773044B1 (de) 1995-11-09 1996-11-07 Betätigungseinrichtung für Feuerlöscher

Country Status (4)

Country Link
EP (1) EP0773044B1 (de)
AT (1) ATE257730T1 (de)
DE (2) DE69631324D1 (de)
FR (1) FR2740979B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1040851A2 (de) * 1999-03-27 2000-10-04 Gloria-Werke H. Schulte-Frankenfeld GmbH & Co. Bedienungsvorrichtung an einem tragbaren Feuerlöscher
EP1393779A1 (de) * 2002-09-02 2004-03-03 Compagnie Centrale Sicli S.A. Abdichtungsvorrichtung zwischen Feuerlöscherkopf und Sclauchverbidungsstück
FR2997862A1 (fr) * 2012-11-12 2014-05-16 Usines Desautel Extincteur pourvu d'un scelle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2406765A1 (fr) * 1977-10-21 1979-05-18 Desautel Sa Usines Systeme perfectionne assurant la fermeture etanche d'un recipient contenant un fluide sous pression
FR2670389A1 (fr) * 1990-12-14 1992-06-19 Desautel Usines Extincteur a eau dont l'additif est contenu dans un tube souple.
EP0507664A1 (de) * 1991-04-04 1992-10-07 Compagnie Centrale Sicli Sicherheitsbefestigung für den Verteilerkopf eines Feuerlöschers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2406765A1 (fr) * 1977-10-21 1979-05-18 Desautel Sa Usines Systeme perfectionne assurant la fermeture etanche d'un recipient contenant un fluide sous pression
FR2670389A1 (fr) * 1990-12-14 1992-06-19 Desautel Usines Extincteur a eau dont l'additif est contenu dans un tube souple.
EP0507664A1 (de) * 1991-04-04 1992-10-07 Compagnie Centrale Sicli Sicherheitsbefestigung für den Verteilerkopf eines Feuerlöschers

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1040851A2 (de) * 1999-03-27 2000-10-04 Gloria-Werke H. Schulte-Frankenfeld GmbH & Co. Bedienungsvorrichtung an einem tragbaren Feuerlöscher
EP1040851A3 (de) * 1999-03-27 2002-06-05 Gloria-Werke H. Schulte-Frankenfeld GmbH & Co. Bedienungsvorrichtung an einem tragbaren Feuerlöscher
EP1393779A1 (de) * 2002-09-02 2004-03-03 Compagnie Centrale Sicli S.A. Abdichtungsvorrichtung zwischen Feuerlöscherkopf und Sclauchverbidungsstück
FR2843888A1 (fr) * 2002-09-02 2004-03-05 Cie Centrale Sicli Dispositif d'etancheite entre un passage d'une tete d'extincteur et un embout de raccordement d'un flexible
FR2997862A1 (fr) * 2012-11-12 2014-05-16 Usines Desautel Extincteur pourvu d'un scelle

Also Published As

Publication number Publication date
ATE257730T1 (de) 2004-01-15
EP0773044B1 (de) 2004-01-14
FR2740979A1 (fr) 1997-05-16
FR2740979B1 (fr) 1998-01-09
DE773044T1 (de) 1998-02-19
DE69631324D1 (de) 2004-02-19

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