Antique Brass Military Pyrene Fire Extinguisher with matching wall mount holster, all painted in Khaki green with a yellow military serial number and PY70 stencilled on the back. A great display piece, would look great on an old military vehicle. The Pyrene Company Limited from their beginning. Oct 06, 2019 Pyrene Fire Extinguisher Serial Number 10/6/2019 This recall involves two styles of Kidde fire extinguishers: plastic handle fire extinguishers and push-button Pindicator fire extinguishers. Pyrene Fire Security Manitoba has been a fire equipment service agency and product supplier for Manitoba and the surrounding area for over 30 years. We have earned a reputation for professional, comprehensive service packages, and quality life-safety / building-protection products at competitive prices.

A 'Pyrene' Fire Extinguisher - Serial No. Brass With Incised and Embossed Graphics - Vintage Firefighting History - With Wall Mount. Add to Favorites. Pyrene Fire Extinguisher Serial Number 10/6/2019 This recall involves two styles of Kidde fire extinguishers: plastic handle fire extinguishers and push-button Pindicator fire extinguishers.

Info

Publication number

US2347548A

US2347548AUS437957AUS43795742AUS2347548AUS 2347548 AUS2347548 AUS 2347548AUS 437957 AUS437957 AUS 437957AUS 43795742 AUS43795742 AUS 43795742AUS 2347548 AUS2347548 AUS 2347548A

Authority

US

United States

Prior art keywords

piston

sealing

Fitzsimons John Edward

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Pyrene Manufacturing Co

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CriticalPyrene Manufacturing Co

Criticalpatent/US2347548A/en

Critical

Criticalpatent/US2347548A/en

Critical

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A62—LIFE-SAVING; FIRE-FIGHTING

A62C11/00—Portable extinguishers with manually-operated pumps

Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC

Y10S29/00—Metal working

Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC

Y10T74/00—Machine element or mechanism

Y10T74/20576—Elements

Y10T74/20762—Shaft connections

Description

. FIRE EXTlNGUISHER Filed April 7, 1942 4 v INVENTOR. %3Y Z MM! M v m A TTORNEYS.

Patented Apr. 25, 1944 FIRE EXTINGUISHER John Edward Fitzsimons, Westfield, N. J assignor to Pyrene Manufacturing Company, Newark, N. J., a corporation of Delaware Application April '7, 1942, Serial No. 437,957

This invention relates to fire extinguishers and particularly to pump-type, hand-operated fireextinguishers utilizing liquid halogenated hydrocarbons (for example, carbon tetrachloride or trichlorethylene) as the fire extinguishing medium.

A preferred embodiment of the invention is hereinafter described and illustrated as an improvement upon the type of fire-extinguisher described in Patent No. 1,688,195 assigned to Pyrene Manufacturing Company, the assignee of the present application; but it is obvious that the invention may be embodied in other pump-type, hand-operated fire-extinguishers utilizing a liquid halogenated hydrocarbon as the extinguishing medium, for example, a fire-extinguisher having its handle rigidly instead of slidingly secured to the piston-operating member.

Fire-extinguishers of the above mentioned types are generally characterized by a liquid receptacle having a head carrying a sleeve provided with an opening through which reciprocates a piston-operating member carrying a handle adapted to be locked to said sleeve, resilient sealing means being provided within said handle and surrounding said piston-operating member or cooperation with said sleeve when said handle is locked thereto. In these types of extinguishers, corrosion within the handle has sometimes shortened the life and interfered with proper functioning of the extinguisher.

Such corrosion within the handle of any eX- tinguisher is always objectionable, and it may be particularly objectionable in a type of fireextinguisher in which the piston-operating member and the sealing means carried thereby must be capable of slight reciprocation within the handle when the latter is being locked to or unlocked from the sleeve carried by the head of the liquid receptacle, and said reciprocation may be interfered with by corrosion within the handle. In fire-extinguishers of the type described in the above mentioned patent, the necessary reciprocatory movement of the handle with reference to the piston-operating member and the sealing means carried thereby has been permitted by providing just enough clearance to allow a sliding fit between the handle and piston-operating member to which the sealing means is secured. Ordinarily, the necessary reciprocatory movement of the handle with reference to the piston-operating member and the sealing means properly occurs under all circumstances throughout the life of the extinguisher; and, when the handle is locked to the sleeve in the head of the liquid receptacle, the sealing means ordinarily prevents any halogenated hydrocarbon, either in liquid or gaseous form, from working into the handle.

However, it has been found that, with all types of such extinguishers, the halogenated hydrocarbon, either in liquid or gaseous form, does occasionally get into the cavity in the handle where, due to combination with moisture derived from the atmosphere or otherwise, a halogen acid is formed and causes corrosion of the parts within the handle. This may be due to a variety of causes. For example, if a fire extinguisher of this general type is subjected to excessively high temperatures, expansion of the halogenated hydrocarbon within the receptacle and the creation of pressure therein may cause seepage of the halogenated hydrocarbon past the sealing means and into the cavity in the handle; and of course such seepage is greatly facilitated if the handle has been left unlocked from the sleeve in the head of the extinguisher, or if the extinguisher has been left in a horizontal position or with the handle downward. Such seepage of the halogenated hydrocarbon into the handle also may perhaps occur during an intermission in the pumping of the extinguisher, by creeping of the halogenated hydrocarbon along the piston-operating member and past the sealing means into the cavity in the handle. And such seepage of the halogenated hydrocarbon into the handle may perhaps occur under other conditions. Efforts to prevent such seepage, by improving the sealing means orin other ways, have not been completely successful due, quite probably, to the ability of halogenated hydrocarbon in liquid or gaseous form to pass through the very smallest of spaces.

The present invention is the result of the discovery that corrosion, due to any possible leakage of a halogenated hydrocarbon into the handle of a fire-extinguisher; can be substantially obviated if the cavity withinthe handle, which houses the end of the piston-operating member and the sealing means, is made substantially larger in diameter than the diameters of the piston-operating member or the sealing means or both, thereby providing around those parts a space within said handle, and if said handle is provided with ventilating openings communicating with said space. My belief is that such a construction allows evaporation of any halogenated hydrocarbon which seeps into and is trapped in the handle, before the formation of a halogen 'acid and corrosion can take place. However, the

satisfactory results obtained by this construction were not necessarily to be expected, because it seemed possible that the provision of ventilating accompanying drawing in which Fig. 1 is an elevation, partly in section, of the handle end of .a pump-type, hand-operated fire extinguisher embodying the invention; and Fig. 2 is an elevation of the handle and a portion of the piston-operating member of said extinguisher.

Referring to the drawing, and particularly to Fig. 1, in which the handle 2 of the fire extinguisher is represented in an unlocked position, the receptacle 3 for the halogenated hydrocarbon liquid is shown as provided with a head carrying a sleeve 5 having an Opening therein through which a piston-operating member 6 is adapted to be reciprocated when it is desired to pump the fire extinguishing liquid from the receptacle 3. The piston-operating member has rigidly secured thereon a sealing means 1 adapted to cooperate with the sleeve 5. At its end, the piston-operating member 8 is provided with a spool-shaped head 8 adapted to cooperate with a pin 5 secured in the handle 2, thereby providing for limited reciprocation of the piston-operating member l5 and sealing means 1 Within the handle 2. As shown in Fig. 1, a coiled spring l2 surrounds the piston-operating member 6 between the sealing means and a shoulder within the cavity which receives the piston-operating member 6, the sealing means 1 and the spring l2. The spring I? acts to yieldingly hold the sealing means i and the piston-operating member 5 in the position shown in Fig. 1 when the handle 2 is unlocked from the sleeve 5 in the head l of the extinguisher. When the lugs I3 at the lower end of the handle are forced into engagement with the lock plate is which is a part of the sleeve 5, the spring I2 is compressed and exerts pressure on the sealing means 7 and holds the latter in engagement with the sleeve 5, thereby under ordinary circumstances preventing leakage of liquid from the receptacle 3 and out through the opening in the sleeve 5 through which the pistonoperating member 6 passes.

It will be noted that the axial cavity within the hub of the handle 2, which receives the end of the piston-operating member 6, the sealing means 1 and the spring I2, is of substantially larger diameter than the diameters of said piston-operating member 5 and said sealing means 1 and said spring l2, thereby providing a space within said handle 2 and around said piston-operating member 6 and sealing means I and spring l2. It will also be noted from Figs. 1 and 2 that the hub of the handle 2 is provided with one or more ventilating openings I6 communicating with said annular space. As shown in the drawing, said ventilating openings [6 are in the form of slots extending longitudinally on opposite sides of the hub of the handle 2', but it is obvious that the form of said ventilating openings may be varied. If for any reason any halogenated hydrocarbon seeps into the cavity in the handle 2, it will quickly evaporate through the space within the handle 2 around the piston-operating membar 5 and sealing means 7 and spring l2, and out through the ventilating openings [6 in the handle 2 which communicate with said annular spaces. Therefore, any halogenated hydrocarbon that may seep into the handle evaporates before it can combine with moisture, supplied by the atmosphere or otherwise, to form a halogen acid; and corrosion within the handle is effectively prevented. Thus, the parts within the handle of the fire-extinguisher remain in unimpaired condition even if, for any reason whatever, some halogenated hydrocarbon seeps into the handle.

1. In a pump-type hand-operated fire-extinguisher utilizing a halogenated hydrocarbon liquid as a fire-extinguishing medium, the combination of a, piston-operating member and a handle slidingly secured thereto and having a hub provided with an axial cavity into which the end of said piston-operating member extends, the relative size of said cavity and piston-open ating member being such that within said handle there is an annular space around said pistonoperating member, and the hub of said handle being provided with ventilating openings communicating with said annular space.

2. In a pump-type hand-operated fire-extinguisher utilizing a halogenated hydrocarbon liquid as a fire-extinguishing medium, the combination of a piston-operating member and a handle secured thereto and having a hub provided with an axial cavity into which the end of said piston-operating member extends, the relative size of said cavity and piston-operating member being such that within said handle there is an annular space around said piston-operating member, and the hub of said handle being provided with ventilating openings communicating with said annular space.

US437957A1942-04-071942-04-07Fire extinguisher Expired - LifetimeUS2347548A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
US437957AUS2347548A (en)	1942-04-07	1942-04-07	Fire extinguisher

Publications (1)

Publication Number	Publication Date
US437957AExpired - LifetimeUS2347548A (en)	1942-04-07	1942-04-07	Fire extinguisher

Country Status (1)

1942

Country	Link
US1468732A (en)	Coupling
US2127086A (en)	Hose coupling
US2790597A (en)	Pump
US2182693A (en)	Safety device for firearms
US3804759A (en)	Aerosol fire extinguisher and method
US3072135A (en)	Pressure regulator with positive shutoff and relief means
US2243605A (en)	Grease fitting
US1913381A (en)	Faucet
US1828934A (en)	Lubricating apparatus for automobiles and the like
US1686805A (en)	Door catch
US3185487A (en)	High pressure pump rod packing assembly
US2323326A (en)	Latch mechanism for hooks
US3124375A (en)	Internal tube seal and connector

Pyrene Co

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Foam Making Compound.

March 1921.

Dec 1921.

November 1922.

June 1923.

August 1926.

November 1926.

1927.

1927.

June 1928.

October 1931.

May 1934.

February 1935.

October 1936.

October 1937.

July 1938.

May 1939.

October 1940.

April 1940.

1941.

February 1943.

November 1944.

Exhibit at the Hull Street Life Museum.

March 1945.

August 1950.

April 1951.

August 1951.

October 1955.

November 1955. Bonderizing.

March 1960.

July 1962.

1971.

of Great West Road, Brentford; of 9 Grosvenor Gardens, London.

1907 A Scottish engineer, unable to get financial backing in the UK, took his idea for a fire extinguisher to the US. He established what became known as the Pyrene Company of Delaware in 1909.

1914 A British offshoot, The Pyrene Company Limited was founded when Wallace B. Phillips, an American businessman set up in Great Queen Street, London, selling 'pump' extinguishers.

1918 The company moved to 9 Grosvenor Gardens, London.

1920 The company moved to Stoke Newington to manufacture soda-acid and foam fire extinguishers was established.

1924 The London General Omnibus Company awarded Pyrene the contract for fire extinguishers.

1927 Established a metal-finishing division which developed the Parkerizing process for metal rust-proofing.

1930 Pyrene moved to a new Art Deco style factory located on the Great West Road, Brentford and established the concept of major fire demonstrations with the construction of a massive demonstration ground behind the Brentford factory, to simulate an oil storage depot.

Pyrene Fire Extinguisher Serial Number Lookup

Pyrene Phomene installations were fitted to many ships during the 1930s, and the 'car bumper' division became well established and by 1960 was producing approximately one third of the car bumpers used in the UK motor industry.

1937 Fire extinguisher and appliance manufacturers. 'Conquest' Fire Extinguisher. 'Phomene' Fire Extinguisher. 'Pyrene' Fire Extinguisher.

Pyrene Fire Extinguisher Models

1939 See Aircraft Industry Suppliers

1950 A factory was opened in Ferndale, South Wales for the manufacture of fire extinguishers.

1953 Public company.

1959 Pyrene acquired the safety product business of Panorama Equipment, and traded as Pyrene Panorama

1960 Fire protection in mines.

1961 Fire protection engineers, manufacturers of motor car bumpers and operators of metal pre-treatment processes. 2,500 employees.

1963 Motor Show exhibitor. Fire equipment.

1967 Pyrene was taken over by Chubb and Sons

1976 Fireward, manufacturers since 1964 of plastic-bodied portable dry-powder fire extinguishers also merged with Pyrene Panorama, to form the new company, Chubb Panorama

1976 Submarine and Safety Engineering which specialised in self-contained under-water breathing apparatus and diving equipment were aquired

1971 Changed name to Chubb Fire Security

Pyrene Fire Extinguisher Company

See Also

Pyrene Fire Extinguisher Serial Number

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Sources of Information

• Mining Year Book 1960. Published by Walter E. Skinner. Advert p453

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