Slide core unit

Details Slide core unit Slide core unit

2007-02-13

2007-02-13

Heckenberg, Donald (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

Mold having movable core or movable pin

C425SDIG058, C264S318000

Reexamination Certificate

active

10487896

ABSTRACT:
The configuration is such that there are provided a slide core21(21A) disposed to be movable toward and away from a cavity (molding space)8aand driven at least in the direction toward the cavity8aaccording to the closing action of a mold8, and a guiding member (guiding means)11(11A) disposed at least on one mold member7of the mold and having a groove-shaped rail part12afor supporting the slide core21in the directions toward and away from the cavity8a, wherein one member out of the slide core21and guiding means11is provided with urging means for urging the slide core relative to the guiding member11in the direction away from the cavity8a. This configuration makes it possible to reduce the size and the maintenance cost of the slide core.

REFERENCES:
patent: 1776888 (1930-09-01), Clark
patent: 6461137 (2002-10-01), Ash et al.
patent: 4292920 (1992-10-01), None
patent: 3001055 (1994-06-01), None
patent: 9216251 (1997-08-01), None
patent: 11320617 (1999-11-01), None

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