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PRESSURE CARTRIDGE CONTAINING SOLID FUEL PROPELLANT CHARGE

  • US 3,641,935 A
  • Filed: 06/23/1969
  • Issued: 02/15/1972
  • Est. Priority Date: 06/23/1969
  • Status: Expired due to Term
First Claim
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1. A pressure cartridge containing a solid propellant charge which generates a propellant gas upon combustion, particularly, for use in fire-extinguishing devices as the means for propelling the fire-extinguishing substance under pressure comprising:

  • a metallic cartridge chamber;

    a substantially cylindrical case means fabricated from synthetic resin material including readily destructible regions distributed about the circumference near a first end thereof and at least two external longitudinally extending ribs positioned to define together with the internal surface of said metallic cartridge chamber a corelike channel means, said solid propellant charge being disposed in said case means between said readily destructible regions and a second end thereof;

    bottom plate means sealingly engaging said case means at said first end thereof in a form-locking manner; and

    primer cap means for igniting said fuel upon impact.

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