초록 ▼

In a preferred embodiment, a cartridge assembly of a cartridge base of compressed polycarbonate, polyethylene and Teflon having at a forward end thereof a circumscribing annular flange mounted in a circumscribing annular recess within an inner wall surface of an open end of a plastic envelope of hig

In a preferred embodiment, a cartridge assembly of a cartridge base of compressed polycarbonate, polyethylene and Teflon having at a forward end thereof a circumscribing annular flange mounted in a circumscribing annular recess within an inner wall surface of an open end of a plastic envelope of high-density polyethylene of which a distal-end of the plastic envelope has thin weakened walls extending along longitudinally-extending lines or of which a distal-end of the plastic envelope has mounted therein a slug (ball or bullet) of metal.

대표청구항 ▼

A cartridge article comprising in combination: a cartridge-base comprising polycarbonate in an amount in a range of about 65% by weight to about 90% by weight and polyethylene in an amount in a range of from about 15% by weight to about 30% by weight admixed and compressed as a unit, shaped as a car

A cartridge article comprising in combination: a cartridge-base comprising polycarbonate in an amount in a range of about 65% by weight to about 90% by weight and polyethylene in an amount in a range of from about 15% by weight to about 30% by weight admixed and compressed as a unit, shaped as a cartridge-base, said unit including polytetrafluoroethylene in an amount ranging from about 1% to about 10% by weight admixed with said polycarbonate and said polyethylene and compressed therewith as a part of the cartridge-base.