Device for the fabrication of hollow plastic bodies, and the hol

Details Device for the fabrication of hollow plastic bodies, and the hol Device for the fabrication of hollow plastic bodies, and the hol

1976-11-01

1978-03-21

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With means to heat or cool

425552, 425557, 425561, B29F 104, B29F 108

Patent

active

040801470

ABSTRACT:
The invention pertains to a device for the fabrication of hollow plastic bodies, of the type comprising a core carrying plate, a double mould plate, means to inject plastic material into said mould plate and means to press said three plates against each other at the proper time, characterized in that it further comprises a metering plate fixed to one of said mould plates, as well as a hydraulic metering control plate facing said metering plate, said metering plate and hydraulic control plate being so conditioned to introduce, in a first step, a metered quantity of material in said metering plate and to transfer, in a second step, this quantity of material from the metering plate into the mould carrying plate, before the force-dieing resulting from pressing said plates together.

REFERENCES:
patent: 2463401 (1949-03-01), Lyons
patent: 2505540 (1950-04-01), Goldhard
patent: 2938232 (1960-05-01), Martin
patent: 3102304 (1963-09-01), Divers
patent: 3247304 (1966-04-01), Ninneman
patent: 3550209 (1970-12-01), Carpenter
patent: 3590114 (1971-06-01), Uhlig
patent: 3752434 (1973-08-01), Herter

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