Injection molding machine having exchangeable sub-molds

Details Injection molding machine having exchangeable sub-molds Injection molding machine having exchangeable sub-molds

1991-12-23

1994-02-01

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

Plural wear or shaping surfaces mounted for alternative use

425190, 425192R, 425556, 425DIG33, B29C 4510

Patent

active

052827330

ABSTRACT:
An injection molding machine includes a sub-mold hollow structure defining a plurality of sub-mold hollows which are formed in at least one of a fixed-side base plate and a movable-side base plate with a keyway being formed in the base plate in which the sub-mold hollow structure is formed. A changeable sub-mold is detachably mounted in each of the sub-mold hollows, and a comb-shaped fixing key is detachably engaged in the keyway and fixes the changeable sub-molds when the comb-like fixing key is inserted into the keyway.

REFERENCES:
patent: 3315302 (1967-04-01), Phillipson et al.
patent: 4911632 (1990-03-01), Mansfield
patent: 5033947 (1991-07-01), Zanetos et al.
patent: 5122051 (1992-06-01), Joyner

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