Molding die set and mold package

Details Molding die set and mold package Molding die set and mold package

1998-04-21

1998-12-29

Nguyen, Khanh P

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Opposed registering coacting female molds

425117, 425544, 425572, 425588, 26427217, 2643289, 26432812, B29C 4502, B29C 4514, B29C 4527

Patent

active

058537716

ABSTRACT:
A molding die set includes an upper die having an upper cavity; and a lower die including a lower cavity to be arranged to face the upper cavity, and a gate which guides plasticized resin into the lower cavity and the upper cavity. The lower cavity is provided with a projection region which is projecting inwardly. The gate is arranged to be extending in the projection region.

REFERENCES:
patent: 3635220 (1972-01-01), Izumi et al.
patent: 5197183 (1993-03-01), Chia et al.
patent: 5732156 (1998-03-01), Matumoto
patent: 5750153 (1998-05-01), Shibata

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