Resin molding machine

Details Resin molding machine Resin molding machine

2006-06-13

2006-06-13

Heitbrink, Tim (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

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

With coupling between charger and mold

C425S588000

Reexamination Certificate

active

07059847

ABSTRACT:
To provide a resin molding machine that can reduce cost by eliminating the need for a residual-material remover, and can reduce cycle time and the amount of residual material, the resin molding machine includes a stationary cavity plate that has a gate communicating with a cavity, a sprue bushing in which a sprue is formed for feeding a molding material through the gate into the cavity, a runner plate disposed between the stationary cavity plate13and the sprue bushing, a cylinder unit (runner-plate driving mechanism) for rectilinearly reciprocating the runner plate between ejecting positions and via a molding position, the ejecting positions being separated from the molding position A and provided for ejecting the residual material, and an ejecting channel (residual-material ejecting mechanism) for ejecting the residual material at the ejecting positions.

REFERENCES:
patent: 4620958 (1986-11-01), Wiechard
patent: 4752199 (1988-06-01), Arai
patent: 5356284 (1994-10-01), Sheffield
patent: 5599486 (1997-02-01), Fujishiro et al.
patent: 49-9858 (1974-01-01), None
patent: 61-295017 (1986-12-01), None
patent: 2002-079548 (2002-03-01), None
Official Communication issued in the corresponding Chinese Application No. 03800927.7 dated Dec. 23, 2006. (With full English translation).

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