US3040815A - Fire extinguishing apparatus - Google Patents

Fire extinguishing apparatus Download PDF

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Publication number
US3040815A
US3040815A US33856A US3385660A US3040815A US 3040815 A US3040815 A US 3040815A US 33856 A US33856 A US 33856A US 3385660 A US3385660 A US 3385660A US 3040815 A US3040815 A US 3040815A
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fire extinguishing
bag
fire
extinguishing agent
extinguishing apparatus
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US33856A
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Pambello Samuel Michael
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C99/00—Subject matter not provided for in other groups of this subclass
    • A62C99/009—Methods or equipment not provided for in groups A62C99/0009 - A62C99/0081
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/92—Fire or heat protection feature

Definitions

  • the present invention relates to fire extinguishing, and, more particularly, to apparatus for automatically releasing and directing a charge of fire extinguishing agent onto a fire.
  • fire extinguishing apparatus which included a frangible container for the fire extinguishing agent and means for rupturing the container to release the fire extinguishing agent therefrom and allow the agent to fall onto a fire.
  • Such apparatus had the disadvantage that some mechanical element was required to rupture or to initiate means for rupturing the container which element, if not operated frequently, would corrode, or rust fast to other elements and would not function at all or improperly when required, whereby the fire extinguishing agent was not released at all or too late when a fire occurred.
  • an object of the present invention is to provide fire extinguishing apparatus of the type indicated herein which is not subject to the foregoing difiicul-ties and disadvantages.
  • Another object is to provide such apparatus Which can be constructed in any desired shape or form and can be arranged to release the fire extinguishing agent at any desired portions thereof to accomplish Wide distribution of the agent.
  • a further object is to provide such apparatus which is simple, practical and economical in construction and is reliable and eifective in operation.
  • a still further object is to provide such apparatus which is readily installed into a system for protecting an area of any desired dimension where a fire is likely to occur.
  • fire extinguishing apparatus comprising a container constructed of heat meltable flexible plastic material or the like having a fire extinguishing agent sealed therein, and an electrically conductive heating element adjacent the wall of the container adapted to generate suflicient heat to melt portions of the container to release the agent therefrom.
  • FIG. 1 is an elevational view of apparatus in accordance with the present invention installed above a fire hazard.
  • FIG. 2 is a bottom plan view taken along the line 2-2 on FIG. 1.
  • FIG. 3 is an enlarged fragmentary sectional view taken along the line 3-3 on FIG. 2.
  • FIG. 4 is a sectional view illustraitng a modification of the invention.
  • fire extinguishing apparatus which generally comprises a con- 3,040,815 Patented June 26, 1962 2 tainer 10 such as a plastic bag formed of sheets of polyethylene, fire-extinguishing agent 11 (FIG. 3) sealed is illustrated herein, by way of example, for use in connection with a system for protecting a dip tank 18 or the like which contains highly flammable material and thus is a fire hazard.
  • the bag preferably is generally flat and rectangular, and the heating element is at the bottom thereof and is arranged so that the fire extinguishing agent can fall across the entire area of the tank.
  • a plurality of bag and heating element units may be employed which may be actuated simultaneously or selectively depending on the nature of the hazard to be protected.
  • a frame for mounting the bag or bags which comprises four upright angle members 19 at the corners of the tank, and horizontal angle members 20 each connected between a pair of upright members 19 and so arranged that one flange thereof provides a shelf for supporting the bottom of the bag adjacent the edges thereof.
  • a plurality of narrow rigid strips 21 extending crosswise between a pair of opposite members 20 may be provided (FIG. 2).
  • the fire extinguishing agent may be dry power or liquid by which polyethylene or other suitable material is not affected,
  • the electrical heating element 14 is a length of high resistance Wire or tape which is efi'ective to generate sufficient heat to melt the bag.
  • the element may be constructed of a material which consumes itself after melting portions of the bag or switch means may be provided in the control means 16 for deenergizing the element immediately after it has functioned so that it is not a fire hazard in itself.
  • the heating element 14 may be arranged in any desired path depending on the required distribution pattern and may be adhesively or heat sealed to the bag or embedded therein. As shown in FIG. 3, the bottom of the bag has pleats or folds 22 extending lengthwise and being heat sealed to enclose portions of the heating element, and the heating element is arranged in zig-zag fashion. This arrangement strengthens the bottom of the bag in the lengthwise direction in particular.
  • a bag 10 is shown which is constructed of a plurality of compartment-s or sections 24 each having a fire extinguishing agent sealed therein and each being heat sealed to the adjoining wall 25 of an adjacent section with a section of the heating wire 14 sealed therebetween near the lower end of the bag.
  • a fire extinguishing agent sealed therein and each being heat sealed to the adjoining wall 25 of an adjacent section with a section of the heating wire 14 sealed therebetween near the lower end of the bag.
  • a fire extinguishing agent sealed therein and each being heat sealed to the adjoining wall 25 of an adjacent section with a section of the heating wire 14 sealed therebetween near the lower end of the bag.
  • plurality of independent bags could be arranged side by some remote location or any suitable alarm means may be employed.
  • the present invention provides improved fire extinguishing apparatus ofthe type which is installed near the hazard and releases the fire extinguishing agent automatically onto the fire in an efiective and reliable manner.
  • Apparatus according to claim 1 including means for supporting said bag above an area to be protected against (fire, means for supplying electrical energy to said wire element, and means responsive to a fire within the area for actuating said last mentioned means whereby all of the bottom sections of said bag are released and the fire extinguishing material falls on the entire area.

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  • 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)

Description

June 26, 1962 s. M. PAMBELLO FIRE EXTINGUISHING APPARATUS Filed June 3, 1960 INVENTOR. SAMU E L. M. PAM BELLO ZATTORNEY HEAT- FLAME DETECTOR 16/ United States Patent 9 3,040,815 FIRE EXTINGUISHING APPARATUS Samuel Michael Pambello, 316 Bloomfield St.,
' Hoboken, NJ. Filed June 3, 1960, Ser. No. 33,856 3 Claims. (Cl. 1691) The present invention relates to fire extinguishing, and, more particularly, to apparatus for automatically releasing and directing a charge of fire extinguishing agent onto a fire.
Heretofore, fire extinguishing apparatus has been proposed which included a frangible container for the fire extinguishing agent and means for rupturing the container to release the fire extinguishing agent therefrom and allow the agent to fall onto a fire. Such apparatus had the disadvantage that some mechanical element was required to rupture or to initiate means for rupturing the container which element, if not operated frequently, would corrode, or rust fast to other elements and would not function at all or improperly when required, whereby the fire extinguishing agent was not released at all or too late when a fire occurred.
Another disadvantage of such apparatus was that the release of the fire extinguishing agent was only at the bottom of the container which was of a shape so that wide distribution of the fire extinguishing agent was not accomplished.
Accordingly, an object of the present inventionis to provide fire extinguishing apparatus of the type indicated herein which is not subject to the foregoing difiicul-ties and disadvantages.
Another object is to provide such apparatus Which can be constructed in any desired shape or form and can be arranged to release the fire extinguishing agent at any desired portions thereof to accomplish Wide distribution of the agent.
A further object is to provide such apparatus which is simple, practical and economical in construction and is reliable and eifective in operation.
A still further object is to provide such apparatus which is readily installed into a system for protecting an area of any desired dimension where a fire is likely to occur.
Other and further objects of the invention will be obvious upon an understanding of the illustrative embodiment about to be described, or will be indicated in the appended claims, and various advantages not referred to herein will occur to one skilled in the art upon employment of the invention in practice.
In accordance with the present invention, the foregoing objects are generally accomplished by providing fire extinguishing apparatus comprising a container constructed of heat meltable flexible plastic material or the like having a fire extinguishing agent sealed therein, and an electrically conductive heating element adjacent the wall of the container adapted to generate suflicient heat to melt portions of the container to release the agent therefrom.
A preferred embodiment of the invention has been chosen for purposes of illustration and description, and is shown in the accompanying drawing, forming a part of the specification, wherein:
FIG. 1 is an elevational view of apparatus in accordance with the present invention installed above a fire hazard.
FIG. 2 is a bottom plan view taken along the line 2-2 on FIG. 1.
FIG. 3 is an enlarged fragmentary sectional view taken along the line 3-3 on FIG. 2.
FIG. 4 is a sectional view illustraitng a modification of the invention.
Referring to the drawing in detail, there is shown fire extinguishing apparatus which generally comprises a con- 3,040,815 Patented June 26, 1962 2 tainer 10 such as a plastic bag formed of sheets of polyethylene, fire-extinguishing agent 11 (FIG. 3) sealed is illustrated herein, by way of example, for use in connection with a system for protecting a dip tank 18 or the like which contains highly flammable material and thus is a fire hazard. In such a system the bag preferably is generally flat and rectangular, and the heating element is at the bottom thereof and is arranged so that the fire extinguishing agent can fall across the entire area of the tank. Where an extremely large area isto be protected a plurality of bag and heating element units may be employed which may be actuated simultaneously or selectively depending on the nature of the hazard to be protected.
In the illustrative embodiment, a frame for mounting the bag or bags is shown which comprises four upright angle members 19 at the corners of the tank, and horizontal angle members 20 each connected between a pair of upright members 19 and so arranged that one flange thereof provides a shelf for supporting the bottom of the bag adjacent the edges thereof. In the event additional support is required for the bag, a plurality of narrow rigid strips 21 extending crosswise between a pair of opposite members 20 may be provided (FIG. 2).
The fire extinguishing agent may be dry power or liquid by which polyethylene or other suitable material is not affected,
The electrical heating element 14 is a length of high resistance Wire or tape which is efi'ective to generate sufficient heat to melt the bag. The element may be constructed of a material which consumes itself after melting portions of the bag or switch means may be provided in the control means 16 for deenergizing the element immediately after it has functioned so that it is not a fire hazard in itself.
The heating element 14 may be arranged in any desired path depending on the required distribution pattern and may be adhesively or heat sealed to the bag or embedded therein. As shown in FIG. 3, the bottom of the bag has pleats or folds 22 extending lengthwise and being heat sealed to enclose portions of the heating element, and the heating element is arranged in zig-zag fashion. This arrangement strengthens the bottom of the bag in the lengthwise direction in particular.
In FIG. 4, a bag 10 is shown which is constructed of a plurality of compartment-s or sections 24 each having a fire extinguishing agent sealed therein and each being heat sealed to the adjoining wall 25 of an adjacent section with a section of the heating wire 14 sealed therebetween near the lower end of the bag. Alternatively, a
plurality of independent bags could be arranged side by some remote location or any suitable alarm means may be employed.
From the foregoing description, it will be seen that the present invention provides improved fire extinguishing apparatus ofthe type which is installed near the hazard and releases the fire extinguishing agent automatically onto the fire in an efiective and reliable manner.
As various changes may be made in the form, construction and arrangement of the parts herein, without departing from the spirit and scope of the invention and without sacrificing any of its advantages, it is to be understood that all matter herein is to be interpreted as illustrative and not in any limiting sense.
:Iclaim: c :1. Fire extinguishing apparatus comprising a generally flat rectangular bag constructed of heat meltable synthetic plastic material having a fire extinguishing material sealed therein and having a plurality of spaced apart pleats in the bottom thereof extending substantially the entire length of said bag, and an electrically conductive wire heating element having aplnrality of sections each retained in one of said pleats and having portions electrically interconnecting the ends of said sections to simultaneously eiiect heating of all of said sections and said portions when said wire element is energized and thereby release the entire bottom of= said bag in a plurality of sections.
2. Apparatus according to claim 1, wherein said wire element sections and portions are arranged in a zig-zag path.
3. Apparatus according to claim 1, including means for supporting said bag above an area to be protected against (fire, means for supplying electrical energy to said wire element, and means responsive to a fire within the area for actuating said last mentioned means whereby all of the bottom sections of said bag are released and the fire extinguishing material falls on the entire area.
References Cited in the file of this patent UNITED STATES PATENTS 1,169,210 Walsh Jan. -25, 1916 1,832,056 Spencer Nov. 17, 1931 1,921,452 Bronander Aug. 8, 1933 2,504,308 Donkle' Apr. 18, 1950 2,539,513 Jenett Jan. 30, 1951 2,550,836
MacHenry May 1, 1951
US33856A 1960-06-03 1960-06-03 Fire extinguishing apparatus Expired - Lifetime US3040815A (en)

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Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3146558A (en) * 1962-07-05 1964-09-01 American Mach & Foundry Fire extinguishing system for sanding machine
US3486563A (en) * 1968-01-12 1969-12-30 Roger R Cholin Fire extinguishing blanket
US3654996A (en) * 1969-09-12 1972-04-11 Michael Naglowsky Ceiling construction
US3710855A (en) * 1971-08-10 1973-01-16 G Osorio Fire extinguisher
US3878897A (en) * 1972-09-25 1975-04-22 P R B Societe Anonyme Sa Process and device for creating triggered stop barriers in mines and in various underground works
US3909954A (en) * 1974-04-03 1975-10-07 Marc K Zoukourian Device for prevention and protection against fire and explosion in the lines of the treatment of inflammable comminuted products
US4276938A (en) * 1978-11-13 1981-07-07 Klimenko Alexandr S Method and appliance for fire extinguishing in enclosed compartment
US4720598A (en) * 1984-11-28 1988-01-19 Stamicarbon B.V. Process for preparing a basic lithium phosphate catalyst for the isomerization of alkene oxides
FR2639983A1 (en) * 1988-12-06 1990-06-08 Chenel Guy False ceiling, in particular for an exhibition hall
EP0373047A1 (en) * 1988-12-06 1990-06-13 Guy Gilbert Chenel False ceiling, particularly for an exhibition hall
US5063998A (en) * 1990-11-19 1991-11-12 Quinn Robert L Fire extinguisher apparatus
US5361847A (en) * 1990-02-20 1994-11-08 Pyroguard Limited Failsafe phial-type fire extinguishing system
US5490566A (en) * 1993-08-09 1996-02-13 Firemelt International, Inc. Fire extinguishing panels
WO2005000414A1 (en) * 2003-06-26 2005-01-06 Fitzpatrick Peter J A fire fighting apparatus
US7610966B1 (en) * 2007-01-18 2009-11-03 Williams-Pyro, Inc. Stovetop fire extinguisher
US9044627B1 (en) 2009-04-02 2015-06-02 Williamsrdm, Inc. Back wall fire suppressor system and method
US9421405B1 (en) 2013-03-18 2016-08-23 Williamsrdm, Inc. Stovetop fire extinguisher initiator with fuse device and method
US9517370B2 (en) 2014-02-21 2016-12-13 Williamsrdm, Inc. Distribution of fire suppressing agent in a stovetop fire suppressor and method
US9597534B1 (en) 2013-08-12 2017-03-21 Williamsrdm, Inc. Stovetop fire suppressor initiator device and method
US9636530B2 (en) 2014-02-21 2017-05-02 Williamsrdm, Inc. Stovetop fire suppressor with thermal glass bulb actuation and method
US9636529B1 (en) 2013-02-26 2017-05-02 Williamsrdm, Inc. Stovetop fire suppressor mounting device and method
US10252090B2 (en) 2009-09-18 2019-04-09 David Landis Campbell Heat sensitive protective barrier and a method for its use
US10478647B2 (en) 2014-11-27 2019-11-19 Williams Rdm, Inc Stovetop fire suppressor with shuttle actuator and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1169210A (en) * 1915-03-15 1916-01-25 Martin J Walsh Fire-extinguishing system.
US1832056A (en) * 1930-07-25 1931-11-17 Richard V Spencer Fireproof waste paper basket
US1921452A (en) * 1930-06-14 1933-08-08 Wilhelm B Bronander Fire extinguisher
US2504308A (en) * 1948-02-09 1950-04-18 Jr Lucius B Donkle Heating and cooling cover
US2539513A (en) * 1946-07-20 1951-01-30 Jenett Caroline Louise Maria Method of packaging
US2550836A (en) * 1948-09-04 1951-05-01 American Viscose Corp Sheet cutting means

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1169210A (en) * 1915-03-15 1916-01-25 Martin J Walsh Fire-extinguishing system.
US1921452A (en) * 1930-06-14 1933-08-08 Wilhelm B Bronander Fire extinguisher
US1832056A (en) * 1930-07-25 1931-11-17 Richard V Spencer Fireproof waste paper basket
US2539513A (en) * 1946-07-20 1951-01-30 Jenett Caroline Louise Maria Method of packaging
US2504308A (en) * 1948-02-09 1950-04-18 Jr Lucius B Donkle Heating and cooling cover
US2550836A (en) * 1948-09-04 1951-05-01 American Viscose Corp Sheet cutting means

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3146558A (en) * 1962-07-05 1964-09-01 American Mach & Foundry Fire extinguishing system for sanding machine
US3486563A (en) * 1968-01-12 1969-12-30 Roger R Cholin Fire extinguishing blanket
US3654996A (en) * 1969-09-12 1972-04-11 Michael Naglowsky Ceiling construction
US3710855A (en) * 1971-08-10 1973-01-16 G Osorio Fire extinguisher
US3878897A (en) * 1972-09-25 1975-04-22 P R B Societe Anonyme Sa Process and device for creating triggered stop barriers in mines and in various underground works
US3909954A (en) * 1974-04-03 1975-10-07 Marc K Zoukourian Device for prevention and protection against fire and explosion in the lines of the treatment of inflammable comminuted products
US4276938A (en) * 1978-11-13 1981-07-07 Klimenko Alexandr S Method and appliance for fire extinguishing in enclosed compartment
US4720598A (en) * 1984-11-28 1988-01-19 Stamicarbon B.V. Process for preparing a basic lithium phosphate catalyst for the isomerization of alkene oxides
FR2639983A1 (en) * 1988-12-06 1990-06-08 Chenel Guy False ceiling, in particular for an exhibition hall
EP0373047A1 (en) * 1988-12-06 1990-06-13 Guy Gilbert Chenel False ceiling, particularly for an exhibition hall
FR2653146A2 (en) * 1988-12-06 1991-04-19 Chenel Guy FALSE CEILING, PARTICULARLY FOR AN EXHIBITION HALL.
US5361847A (en) * 1990-02-20 1994-11-08 Pyroguard Limited Failsafe phial-type fire extinguishing system
US5063998A (en) * 1990-11-19 1991-11-12 Quinn Robert L Fire extinguisher apparatus
US5490566A (en) * 1993-08-09 1996-02-13 Firemelt International, Inc. Fire extinguishing panels
WO2005000414A1 (en) * 2003-06-26 2005-01-06 Fitzpatrick Peter J A fire fighting apparatus
US20060187000A1 (en) * 2003-06-26 2006-08-24 Fitzpatrick Peter J Fire fighting apparatus
US7385480B2 (en) 2003-06-26 2008-06-10 Fitzpatrick Peter J Fire fighting apparatus
US7610966B1 (en) * 2007-01-18 2009-11-03 Williams-Pyro, Inc. Stovetop fire extinguisher
US9044627B1 (en) 2009-04-02 2015-06-02 Williamsrdm, Inc. Back wall fire suppressor system and method
US10252090B2 (en) 2009-09-18 2019-04-09 David Landis Campbell Heat sensitive protective barrier and a method for its use
US9636529B1 (en) 2013-02-26 2017-05-02 Williamsrdm, Inc. Stovetop fire suppressor mounting device and method
US9421405B1 (en) 2013-03-18 2016-08-23 Williamsrdm, Inc. Stovetop fire extinguisher initiator with fuse device and method
US9597534B1 (en) 2013-08-12 2017-03-21 Williamsrdm, Inc. Stovetop fire suppressor initiator device and method
US9517370B2 (en) 2014-02-21 2016-12-13 Williamsrdm, Inc. Distribution of fire suppressing agent in a stovetop fire suppressor and method
US9636530B2 (en) 2014-02-21 2017-05-02 Williamsrdm, Inc. Stovetop fire suppressor with thermal glass bulb actuation and method
US10478647B2 (en) 2014-11-27 2019-11-19 Williams Rdm, Inc Stovetop fire suppressor with shuttle actuator and method

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