Method of making synthetic-resin target pigeon

Details Method of making synthetic-resin target pigeon Method of making synthetic-resin target pigeon

1974-12-02

1976-08-17

Kucia, Richard R.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264328, B29B 302

Patent

active

039754944

ABSTRACT:
A target pigeon is made of synthetic resins such as polystyrene and polymethacrylate which are not mutually soluble. The resins are heated and cooled successively prior to injection molding of the pigeon so that they coagulate together and form a mass of tiny flakes constituting the body of the pigeon. These resins are injected into the mold cavity at a plurality of locations so that the pigeon has interfaces constituting weak lines that allow it readily to disintegrate when struck transversely, but which do not decrease the longitudinal strength so the pigeon can be launched by means of an explosion from a blank cartridge or the like.

REFERENCES:
patent: 2353457 (1944-07-01), Goessling
patent: 2372630 (1945-03-01), Smith
patent: 3437722 (1969-04-01), Cronin
patent: 3554552 (1971-01-01), Nixon
patent: 3646187 (1972-02-01), Milam
patent: 3675926 (1972-07-01), Misevich
patent: 3732345 (1973-05-01), Amos
Hagerman, Edward M., Weld-line Fracture in Molded Parts, PLASTICS ENGINEERING, Oct. 1973, pp. 67 to 69 relied on.

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