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Propulsive-charge case

  • US 3,955,506 A
  • Filed: 01/18/1974
  • Issued: 05/11/1976
  • Est. Priority Date: 01/26/1973
  • Status: Expired due to Term
First Claim
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1. A cartridge shell designed to contain a propulsive charge, comprising:

  • a metallic case stub with a cup-shaped body having a cylindrical peripheral wall provided at its rim with an internal peripheral recess forming an annular shoulder; and

    a sealing ring of polymeric material engaging said rim and forming an axial extension of said peripheral wall with inner and outer surfaces flush with those of said body, said ring having an inner skirt received in said recess and resting against said shoulder, said inner skirt being in continuous contact with a reduced portion of said peripheral wall.

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