EP0965364A1 - Schlauch für Feuerlöscher - Google Patents

Schlauch für Feuerlöscher Download PDF

Info

Publication number
EP0965364A1
EP0965364A1 EP99401386A EP99401386A EP0965364A1 EP 0965364 A1 EP0965364 A1 EP 0965364A1 EP 99401386 A EP99401386 A EP 99401386A EP 99401386 A EP99401386 A EP 99401386A EP 0965364 A1 EP0965364 A1 EP 0965364A1
Authority
EP
European Patent Office
Prior art keywords
tube
fire extinguisher
end piece
crusher
propellant
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.)
Withdrawn
Application number
EP99401386A
Other languages
English (en)
French (fr)
Inventor
Thierry Pied
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.)
Extincteurs Harden
Original Assignee
Extincteurs Harden
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 Extincteurs Harden filed Critical Extincteurs Harden
Publication of EP0965364A1 publication Critical patent/EP0965364A1/de
Withdrawn legal-status Critical Current

Links

Images

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 the technical field of the means of fight against the fire.
  • the invention relates to the field fire extinguishers.
  • Fire extinguishers are devices used to project, using internal pressure and directing the jet, an extinguishing agent on a hearth of fire.
  • the pressure is provided either by prior compression, either by a chemical reaction, or by the release of a auxiliary gas, or finally by the operation of a pump.
  • pressure is obtained by the reaction of an acid solution with a basic solution.
  • Water and powder extinguishers are either pressure permanent, either put under pressure at the time of use, by opening a gas cartridge, or sparklet.
  • the invention relates more particularly to fire extinguishers comprising such gas cartridges propellant.
  • the conventional structure of such fire extinguishers The propellant cartridge is as follows.
  • a tank is provided at its top with an opening on which is fixed an agent distribution head extinguisher.
  • the head can be a piece of foundry, or machining, or even molding.
  • This distribution head is provided with a bushing used to support a dip tube.
  • the dip tube extends to the base of the tank.
  • the through-hole forms communication between the tube plunger and a hose for connection to a blow gun.
  • the blow gun is equipped with a sprayer rod or a nozzle.
  • the dispensing head supports a closed cartridge of propellant, or sparklet, or cistern.
  • a striker actuated by a pressure lever fire extinguisher, pierces the seal on the gas cartridge pressurized propellant.
  • the user cannot actuate the presser lever and act so on the striker only after pulling on a pin for locking said presser lever.
  • one or more additives are mixed with the extinguishing agent contained in the tank, when the gas cartridge is pierced by the striker.
  • Document FR-A- 2 722 416 describes a fire extinguisher comprising at least two additive receiving chambers, opening in the tank, the additives being mixed with the product to spray when the gas capsule is struck under pressure.
  • Document FR-A-2 733 158 describes a fire extinguisher head with anti-reset security.
  • This fire extinguisher includes a tank and a gas cartridge under pressure as well than a pressure lever acting on a striker.
  • a pawn of locking ensures immobilization of the striker after cocking of the device.
  • Said pawn has a colored end allowing to display the arming state of the extinguisher, this pawn cannot return to its initial position after armament.
  • Document FR-A- 2 745 188 describes a fire extinguisher spraying of liquid by the action of a propellant under pressure.
  • An additive is contained in the same cork bottle as the propellant.
  • the document FR-A- 2 681 406 describes a method and a device for sealing anhydride bottles liquid carbon dioxide used as a propellant in fire extinguishers of the type envisaged above.
  • Document FR-A- 2 662 608 describes a frangible cartridge containing an additive, this cartridge floating in water filling the fire extinguisher.
  • the perforation of a diaphragm of a liquid carbon dioxide capsule ensures the rise in tank pressure and rupture of the additive cartridge.
  • Document FR-A- 2 632 194 describes a fire extinguisher head with auxiliary pressure, comprising a rotary mounted reel, on which is wound the hose that connects the lance sprayer to the tank.
  • the propellant cartridge fire extinguisher structures can also be found in the documents following: FR-A- 2 502 810, FR-A- 2 484 263, FR-A- 2 483 789, 3 789, EP-A- 792 665, EP-A- 773 043, EP-A- 686 410, EP-A- 141 563, WO-A- 9634660, WO-A- 9513115, WO-A- 9206743, WO-A- 8909082.
  • Agent auxiliary propellant gas fire extinguishers known from the prior art, present some disadvantages.
  • the extinguishing agent is a powder
  • a good backwashing of this powder is not always obtained.
  • extinguisher powder can sometimes come out through the tube backwash towards the mechanism located in the head the fire extinguisher.
  • One of the objects of the invention is to provide a fire extinguisher for auxiliary propellant comprising a structure particularity of the descender tube to avoid disadvantages mentioned above.
  • the invention relates, according to a first appearance, to a pressure tube, for gas type fire extinguisher auxiliary extinguisher propellant, said tube comprising in its lower end part, means forming non-return valve preventing back flow of the material fire extinguisher inside the descender tube.
  • the means forming a non-return valve comprise a nozzle. fitted on the lower part of the pressure tube, said end piece comprising at least one through hole in communication with the lower end of the tube crusher, the edges of the through hole forming a lip non-return seal.
  • the tip includes a substantially upper part cylindrical, arranged coaxially with the pressure tube, and a frustoconical lower part widening downwards, the through hole being arranged in the intermediate part the end piece, said intermediate part connecting the part upper than the lower part of the nozzle.
  • the through hole is substantially perpendicular to the axis main of the central tube of the pressure reduction tube
  • the tip has in its frustoconical lower part, at minus an internal projection forming a stop for the end of the pressure tube.
  • the tip has a substantially flat lower part, on which project, towards the inside of the endpiece, the stops.
  • the tip defines in its frustoconical lower part a annular space connecting the opening of the descender tube to the through hole of the nozzle.
  • the tip is tightened radially against the end lower of the pressure tube, by a collar or equivalent concentric with the upper part of the nozzle.
  • the tip is made of a material chosen from the group including thermoplastics, crosslinked polymers rubbery, polyurethanes or any other material elastic resistant to possible chemical attack by the powder in the tank.
  • the invention relates, according to a second aspect, to a extinguisher head rigidly associated, in a removable manner or not, to a descender tube as presented above.
  • the descender tube is screwed onto said head.
  • the head is rigidly associated, in a removable manner, with a dip tube and a propellant cartridge.
  • the propellant cartridge contains anhydride carbon dioxide in liquid form, or any other propellant equivalent not reactive to fire.
  • the dip tube includes a flexible lower part, gas tight, rigid upper part, waterproof gas.
  • the lower part is made of thermoplastic such as flexible PVC, or resin reinforced with metallic fibers or equivalent.
  • the invention relates, according to a third aspect, to a fire extinguisher comprising at least one tube as presented below or a fire extinguisher head as presented above.
  • the fire extinguishers shown in Figures 1 and 2 include a main tank 1 containing an extinguishing agent.
  • This extinguishing agent can be a powder or a liquid.
  • the invention relates more particularly, but not exclusively, if the extinguishing agent is a powder.
  • the reservoir main 1 includes a cylindrical side wall 2 closed in its high 3 and low 4 end portions by a upper curved plate 5 and a lower plate 6, respectively.
  • the lower plate 6 has bosses 7 facilitating stable support of the tank 1 when it is placed on the ground, for example.
  • the general shape of the main tank 1 can be different from that shown in the figures.
  • the reservoir 1 can in particular be substantially shaped spherical, ellipsoidal, for example.
  • the main tank can be provided on its lateral or lower face with one or more points sharpened for example to break the windows and especially resistant glazing, in case of emergency.
  • the main tank 1 forms a sealed enclosure, resistant to pressure.
  • a fire extinguisher head 8 is mounted integral with the tank main 1.
  • this head extinguisher 8 seals an opening circular 9 provided on the upper curved plate 5 of the main tank 1.
  • a seal 10 is provided between the head of fire extinguisher and the upper curved plate 5, to the right of the opening 9.
  • This seal 10 is for example housed in an annular groove 11 in the extinguisher head 8.
  • the propellant cartridge 12, the dip tube 13 and the descender tube 14 are arranged in the tank main 1.
  • the cartridge 12, the dip tube 13, the descender tube 14 are shaped general cylindrical and substantially parallel.
  • the propellant is, for example and not exclusively, of carbon dioxide.
  • This propellant released from the gas cartridge 12 where it was placed under pressure, in liquefied form by example, go through the down tube 14, from the top to the bottom of this tube 14 as shown in FIGS. 1 and 2.
  • the lower end portion 20 of the descender tube 14 is located near the bottom 21 of the main tank 1.
  • this main tank 1 contains a powder
  • a backwash of the powder is obtained.
  • the extinguishing agent contained in the main tank 1 is pressurized and can then be released from the main tank 1, via the dip tube 13 connected to the flexible 15, as soon as the spray nozzle 16 is operated by the operator.
  • the lower end portion 22 of the dip tube 13 is located near the bottom 21 of the main tank 1.
  • this end part 22 is bevelled.
  • this end portion 22 is at right angles to the axis of the dip tube 13.
  • a flange 23, a collar or equivalent can associate substantially rigidly the lower end portion 20 from the crusher tube 14 to the lower end 22 of the dip tube 13, in the embodiment shown in figure 1.
  • the dip tube 13 can be flexible while being waterproof.
  • this dip tube When this dip tube is flexible, it can bend under the action of inertial forces applied to a mass arranged in its lower end portion 22, so that the collecting orifice 24 is always in the product fire extinguisher or fire retardant.
  • dip tubes can be attached to the head of the fire extinguisher 8 by crimping or any other equivalent means, with or without interconnection pieces.
  • the dip tube may include at least one rigid part, for example in the vicinity of its attachment with the head of the fire extinguisher and at least one flexible part, in particular its lower extremity.
  • the dip tube when flexible, may include a metallic or rigid polymer spiral covered by a sheath of organic material.
  • This sealing sheath maintains a barrier efficient with gas to avoid propellant losses.
  • the hose 15, connecting the fire extinguisher head 8 to the orifice spraying of the flame retardant can be provided, as shown in Figure 2, a nozzle spray actuated by a lever 25, conventional.
  • the fire extinguisher may be provided with a gauge, not shown, to display the pressure of the extinguisher material at inside the main tank.
  • an electronic circuit ensures the emission of a signal after detection of a predetermined state, by example the passage of the pressure of the extinguisher material to inside the main tank below a value threshold.
  • the pin 19 can be replaced by a bar or equivalent and be provided with a sealing device.
  • Main tank 1 can be provided with a tab attachment 26 fixed on its side wall 2, allowing the removable attachment of the fire extinguisher on a fixed hook 27 on a wall such as a wall.
  • An actuating hook 28 of the striker 18 can be provided, below the actuating handle 17 mounted rotatable around an axis A, as shown in figure 2.
  • the dip tube 13, the descender tube 14 and the propellant cartridge 12 can be screwed in and not set at the end of fire extinguisher 8 at their end upper 29, 30, 31, respectively.
  • the crusher tube 14 can be made of rigid polymer such as polyvinyl chloride or equivalent material.
  • This crusher tube 14 can be cylindrical or not.
  • the outside diameter D of the tube crusher 14 can be of the order of 10 mm, the diameter inside the central duct 32 being of the order of 5 mm.
  • a tip 33 is fitted on the lower end 20 of the descender tube 14.
  • This nozzle 33 has an upper part 34 of shape general cylindrical.
  • this upper part 34 includes a through hole 35 along a vertical axis whose diameter ascending from the upper end 36 of the end piece 33 towards the lower end portion 37 of this end piece 33.
  • the minimum diameter d min of the through hole 35 is substantially identical to the outside diameter D of the lower end portion 20 of the crusher tube 14.
  • the maximum diameter d max of the through hole 35 is substantially greater than the outside diameter D of the lower end portion 20 of the crusher tube 14.
  • a necklace clamp 38 tightens the upper part radially 34 of the end piece 33 against the lower end portion 20 of the descender tube 14.
  • the tip 33 is made of an elastomeric material or any other equivalent material.
  • the end piece 33 has a frustoconical lower part 39 widening downwards, the lower extreme part 37 of the end piece 33 is substantially flat.
  • two stops 40, 41 are projecting, on the lower end 37 of the tip 33, inside said tip 33.
  • the center of these projections 40, 41 is spaced a distance substantially corresponding to the average diameter of the part lower end 20 of the descender tube 14.
  • more than two stops 40, 41 can be provided.
  • the end piece 33 has a substantially through hole 46 perpendicular to the axis of the central duct 32 of the tube crusher 14.
  • This through hole 46 is disposed between the part upper 34 substantially cylindrical and the part lower 39 frustoconical of the end piece 33.
  • the end piece 33 has in its intermediate part 47, a general form cylindrical forming continuity between the upper part cylindrical 34 and the frustoconical lower part 39.
  • the propellant gas such as carbon dioxide passes by the central duct 32 of the descender tube 14, exits by the end 42 of this tube, passes through the annular space 43 and comes out through the through holes 46 of the end piece 33, according to the arrows shown in Figure 4.
  • This tip structure 33 allows carbon dioxide to pass at high speed and to unscrew the powder effectively extinguishing, leaving a residual weak after using the extinguisher.
  • the inventors have found that, under the extreme condition of temperature (-20 degrees Celsius) and compaction, the residual powder is very low compared to tolerances allowed in safety standards.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP99401386A 1998-06-15 1999-06-09 Schlauch für Feuerlöscher Withdrawn EP0965364A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9807521A FR2779656B1 (fr) 1998-06-15 1998-06-15 Tube detasseur pour extincteur a gaz auxiliaire propulseur de poudre extinctrice, tete d'extincteur associee audit tube et extincteur comprenant une telle tete
FR9807521 1998-06-15

Publications (1)

Publication Number Publication Date
EP0965364A1 true EP0965364A1 (de) 1999-12-22

Family

ID=9527403

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99401386A Withdrawn EP0965364A1 (de) 1998-06-15 1999-06-09 Schlauch für Feuerlöscher

Country Status (2)

Country Link
EP (1) EP0965364A1 (de)
FR (1) FR2779656B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1393779A1 (de) * 2002-09-02 2004-03-03 Compagnie Centrale Sicli S.A. Abdichtungsvorrichtung zwischen Feuerlöscherkopf und Sclauchverbidungsstück
EP4218952A1 (de) 2022-01-28 2023-08-02 Carrier Corporation Feuerlöscher-ventilkörper
EP4218954A1 (de) * 2022-01-28 2023-08-02 Carrier Corporation Schlauchanschluss für einen feuerlöscher
EP4420740A1 (de) * 2023-02-24 2024-08-28 Société des Extincteurs Andrieu Verbesserter feuerlöscher zur dispersion eines fluorfreien löschmittels

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109353022A (zh) * 2018-07-03 2019-02-19 唯特利实业（宿迁）有限公司 一种新型干粉灭火器筒体的制作工艺

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR974326A (fr) 1947-10-28 1951-02-21 Extincteur d'incendie
FR2380036A1 (fr) * 1977-02-10 1978-09-08 Saint Etienne Manuf Fse Armes Appareil extincteur plurivalent a elements modulaires
FR2421632A1 (fr) * 1977-10-24 1979-11-02 Commissariat Energie Atomique Extincteur a poudre
FR2632194A1 (fr) 1988-06-02 1989-12-08 Seban Cie Ets Tete pour extincteur a pression auxiliaire
FR2649325A1 (fr) 1989-07-07 1991-01-11 Lahouati Michel Extincteur perfectionne
FR2662608A1 (fr) 1990-06-05 1991-12-06 Rot Cartouche frangible pour additifs d'extinction dans des extincteurs a eau mise sous pression au moment de l'emploi par un gaz comprime.
FR2681406A1 (fr) 1991-09-12 1993-03-19 Vallourec Ind Dispositif permettant l'obturation de bouteilles d'anhydride carbonique et procede pour sa mise en óoeuvre.
EP0686410A2 (de) * 1994-05-11 1995-12-13 Minimax GmbH Feuerlöscher
FR2722416A1 (fr) 1994-07-13 1996-01-19 Eurofeu Sa Extincteur
FR2733158A1 (fr) 1995-04-20 1996-10-25 Sicli Tete d'extincteur a securite antirearmement
FR2745188A1 (fr) 1996-02-27 1997-08-29 Extincteurs Andrieu Extincteur a pulverisation de liquide

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR974326A (fr) 1947-10-28 1951-02-21 Extincteur d'incendie
FR2380036A1 (fr) * 1977-02-10 1978-09-08 Saint Etienne Manuf Fse Armes Appareil extincteur plurivalent a elements modulaires
FR2421632A1 (fr) * 1977-10-24 1979-11-02 Commissariat Energie Atomique Extincteur a poudre
FR2632194A1 (fr) 1988-06-02 1989-12-08 Seban Cie Ets Tete pour extincteur a pression auxiliaire
FR2649325A1 (fr) 1989-07-07 1991-01-11 Lahouati Michel Extincteur perfectionne
FR2662608A1 (fr) 1990-06-05 1991-12-06 Rot Cartouche frangible pour additifs d'extinction dans des extincteurs a eau mise sous pression au moment de l'emploi par un gaz comprime.
FR2681406A1 (fr) 1991-09-12 1993-03-19 Vallourec Ind Dispositif permettant l'obturation de bouteilles d'anhydride carbonique et procede pour sa mise en óoeuvre.
EP0686410A2 (de) * 1994-05-11 1995-12-13 Minimax GmbH Feuerlöscher
FR2722416A1 (fr) 1994-07-13 1996-01-19 Eurofeu Sa Extincteur
FR2733158A1 (fr) 1995-04-20 1996-10-25 Sicli Tete d'extincteur a securite antirearmement
FR2745188A1 (fr) 1996-02-27 1997-08-29 Extincteurs Andrieu Extincteur a pulverisation de liquide

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP4218952A1 (de) 2022-01-28 2023-08-02 Carrier Corporation Feuerlöscher-ventilkörper
EP4218954A1 (de) * 2022-01-28 2023-08-02 Carrier Corporation Schlauchanschluss für einen feuerlöscher
EP4420740A1 (de) * 2023-02-24 2024-08-28 Société des Extincteurs Andrieu Verbesserter feuerlöscher zur dispersion eines fluorfreien löschmittels
FR3146071A1 (fr) * 2023-02-24 2024-08-30 Societe Des Extincteurs Andrieu Extincteur d’incendie améliorié pour la dispersion d’un agent d’extinction sans fluor

Also Published As

Publication number Publication date
FR2779656B1 (fr) 2000-08-11
FR2779656A1 (fr) 1999-12-17

Similar Documents

Publication Publication Date Title
FR2478435A1 (fr) Appareil pour gazeifier des boissons
EP0965364A1 (de) Schlauch für Feuerlöscher
EP0461020B1 (de) Zerbrechliche Patrone für Feuerlöschzusatzstoffe in Wasserfeuerlöschern, die auf Gebrauchsmomente durch ein Gas unter Druck gesetzt werden
WO2006048536A1 (fr) Epandeur de poudre basse pression avec debit controle
EP0366652B1 (de) Schaumerzeuger und -ausgabevorrichtung
EP4420740B1 (de) Verbesserter feuerlöscher zur dispersion eines fluorfreien löschmittels
EP0792665B1 (de) Flüssigkeitszerstäubungsfeuerlöscher
EP0035417A1 (de) Produkt und Verfahren zur Herstellung feuerfester Abdichtungen und Mittel zur Ausführung dieses Verfahrens
FR2670389A1 (fr) Extincteur a eau dont l'additif est contenu dans un tube souple.
FR2722416A1 (fr) Extincteur
JP2009291282A (ja) 消火ガス噴射器
EP0507664B1 (de) Sicherheitsbefestigung für den Verteilerkopf eines Feuerlöschers
EP0738523B1 (de) Sicherheit zur Verhinderung des erneuten Scharfschaltens eines Feuerlöscherkopfes
EP0605272B1 (de) Sicherheitsvorrichtung für Rohre mit Flüssigkeitsumlauf, insbesondere für Entleerungsrohre von Waschmaschinen
WO2021018663A1 (fr) Extincteur pyrotechnique pour véhicule
FR3092765A1 (fr) Extincteur d’incendie ou douche portative de sécurité toutes positions
FR2735028A1 (fr) Appareil de desinfection par pulverisation d'un produit aseptique obtenu par melange instantane de ses composants.
BE368672A (de)
FR2693437A1 (fr) Dispositif pour la distribution d'un liquide et procédé de distribution d'un liquide.
FR2632194A1 (fr) Tete pour extincteur a pression auxiliaire
KR910004192Y1 (ko) 자동소화장치
FR2580796A1 (fr) Disperseur d'autodefense portable
FR2731626A1 (fr) Dispositif pour l'extinction d'un debut d'incendie
EP1249258A1 (de) Feuerlöscher für das Training von Personal auf dem Gebiet der Feuerbekämpfung
CH150131A (fr) Extincteur d'incendie à jet.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE DE ES FR GB IT

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 19991229

AKX Designation fees paid

Free format text: BE DE ES FR GB IT

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20040105