Lock for core assembly for injection molding tool

Details Lock for core assembly for injection molding tool Lock for core assembly for injection molding tool

2009-06-17

2011-10-11

Gupta, Yogendra (Department: 1744)

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

C425S19200R, C425S595000, C425SDIG058

Reexamination Certificate

active

08033810

ABSTRACT:
An injection molding tool having a core assembly with a shaft that is lockably or securedly mounted within a bore of a plate or within another suitable lock element. Rotational or other suitable movement of the lock results in or translates into axial movement of and/or axial forces apply to the core assembly. A guide ring assembly has a center ring with a non-circular bore and a correspondingly shaped core assembly, to prevent rotational movement of the core assembly with respect to the guide ring assembly.

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Co-Pending U.S. Appl. No. 12/380,436, filed Feb. 27, 2009; inventors James W. Cullison et al.; title Expandable Cavity for Injection Molding Tool.
Hasco Z 3600/../S Collapsible Core advertising brochure (5 pages); 04 07; No. 01031955.

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