F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
102/18
F42B 5/26 (2006.01)
Patent
CA 1226170
ABSTRACT An all-plastic cartridge case is disclosed, The case is all-plastic and has a hard-plastic rim and a soft- plastic basewad. The basewad is of a plastic similar to that of the shotshell tube while the rim is of a plastic which is chemically dissimilar to the tube. The basewad and rim are mechanically interlocked. Also disclosed is a two-step method for molding such a shell with a dual plastic head. Either the rim or the basewad is molded first and the other of the two is molded through the first.
470728
Grelle Peter F.
Urs Venkataramaraj S.
Olin Corporation
Osler Hoskin & Harcourt Llp
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