Wedge-lock system for injection molds

Details Wedge-lock system for injection molds Wedge-lock system for injection molds

2011-07-05

2011-07-05

Mackey, James (Department: 1744)

Plastic article or earthenware shaping or treating: apparatus

With means adjusting synchronization or compensating for wear

C425S19200R, C425S468000

Reexamination Certificate

active

07972127

ABSTRACT:
A wedge-lock system for injection molds, using a protrusion on one side of the mold and a mating opening and sets of wedges which act together upon mold closing to provide and maintain accurate centering of the core and cavity halves in reference to each other, to prevent core shifts and compensate for uneven thermal expansion of mold components.

REFERENCES:
patent: 3930780 (1976-01-01), Lovejoy
patent: 3932085 (1976-01-01), Horbach
patent: 3942755 (1976-03-01), Robinson
patent: 4733801 (1988-03-01), Scammell
patent: 4775130 (1988-10-01), Von Holdt
patent: 4856977 (1989-08-01), Von Holdt
patent: 5776517 (1998-07-01), Ciccone et al.
patent: 2002036296 (2002-02-01), None

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