Apparatus for rotationally aligning a feature of an optical tool

Details Apparatus for rotationally aligning a feature of an optical tool Apparatus for rotationally aligning a feature of an optical tool

1996-09-06

1998-03-31

Woo, Jay H.

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

425808, 425542, 264 11, 264 21, 264 25, B29B 4503

Patent

active

057335850

ABSTRACT:
A selectively, rotatably adjustable riser pin for aligning a predetermined characteristic on an asymmetrical mold surface with the gate of an injection molding machine for enhanced flow dynamics of the mold material across the mold surface. The riser pin is divided into two co-linear portions which are biased towards one another such that application of a predetermined torque will allow the front riser pin portion, which carries the mold tool, to be rotated independently of the back riser pin portion.

REFERENCES:
patent: 4199313 (1980-04-01), Bohnenberger
patent: 4208364 (1980-06-01), Shepherd
patent: 4407766 (1983-10-01), Haardt
patent: 4681295 (1987-07-01), Haardt
patent: 4732726 (1988-03-01), Grannen
patent: 4778632 (1988-10-01), Bakalar
patent: 4815690 (1989-03-01), Shepherd
patent: 5110278 (1992-05-01), Tait
patent: 5221538 (1993-06-01), Gasami

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