Injection mold apparatus for producing a pattern

Details Injection mold apparatus for producing a pattern Injection mold apparatus for producing a pattern

1997-09-16

1999-06-01

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

Including support or guide means for disassembled element

425190, 425192R, 425441, 425468, B29C 4500

Patent

active

059086432

ABSTRACT:
An injection mold for forming a pattern for use in investment casting having mold sections carrying two pattern-forming surfaces and a translatable third pattern-forming element movable on a mold section. The mold also includes an inner core. Parting lines are located at inconspicuous locations by sizing and shaping the mold sections. The method of use of the injection mold includes employing an arrangement for facilitating lower mold section and for raising the inner core to facilitate its removal.

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patent: 5731014 (1998-03-01), Travaglini

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