Container molding apparatus

Details Container molding apparatus Container molding apparatus

1984-07-23

1986-11-11

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

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

Mold having movable core or movable pin

249109, 249144, 2643281, 26432812, B29C 4500, B29C 4542

Patent

active

046220020

ABSTRACT:
A thin-walled, injection-molded plastic container having a thickened sealing rim acquires a particularly smooth sealing rim, onto which a covering film can be sealed in a bacteria-tight, gas-tight and liquid-tight manner, if the gate is located on the sealing rim instead of on the bottom of the container.

REFERENCES:
patent: 2450482 (1948-10-01), Morin
patent: 3169688 (1965-02-01), Schad
patent: 4111622 (1978-09-01), Sutch
"Molder's Guide to Injection Molding", W. R. Grace and Co. 8/7/58.
"Injection Molding Theory and Practice", Irvin I. Rubin, Jun. 6, 1973, pp. 124-126.

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