Injection-molding machine, especially for thermosetting or therm

Details Injection-molding machine, especially for thermosetting or therm Injection-molding machine, especially for thermosetting or therm

1971-12-27

1976-09-21

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

Dough divider type including trap chamber

Rotating trap chamber pickup

425250, 425246, B29F 1022

Patent

active

039816621

ABSTRACT:
An injection-molding machine, especially for thermally crosslinkable and thermosetting materials, and a method of operating same, wherein a resin-distribution or manifold plate is provided along one of the mold halves and is clamped in place by the mold-closing and retaining means during injection, but the plate is withdrawn thereafter to prevent heating of the distribution channels and hardening or crosslinking of the resinous material therein.

REFERENCES:
patent: 2226408 (1940-12-01), Nast
patent: 2834992 (1958-05-01), Jupa
patent: 2923031 (1960-02-01), Collion
patent: 3464091 (1969-09-01), Bielfeldt
patent: 3663145 (1972-05-01), Teraoka

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