Process for manufacturing plastic cartridge cases

Details Process for manufacturing plastic cartridge cases Process for manufacturing plastic cartridge cases

1975-11-19

1977-10-18

Kucia, Richard R.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Plural sequential shaping or molding steps on same workpiece

264320, 264322, B29F 500

Patent

active

040546373

ABSTRACT:
A method for manufacturing a plastic cartridge case having a hollow peripheral flange which protrudes radially from the base of the cartridge case, utilizes the principle of heating a plastic tubular element closed at the base and exerting axial pressure against a housing which acts as a mold and limits the deformation of the element.

REFERENCES:
patent: 3234310 (1966-02-01), Edwards
patent: 3342915 (1967-09-01), Wanderer

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