Method and apparatus for controlling the stacking height of...

Details Method and apparatus for controlling the stacking height of... Method and apparatus for controlling the stacking height of...

2006-01-06

2010-06-29

Nguyen, Khanh (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

C264S319000, C264S318000, C425S141000, C425S139000

Reexamination Certificate

active

07744800

ABSTRACT:
Method and apparatus for controlling the stacking height of stackable products during compression molding off stops includes slides that are movable into and out of an end of blind pockets in a compression mold in which the stack height surfaces are formed during the molding cycle. The slides are held in a retracted position until after the mold is closed and the molding compound flows to the shape of the molding cavity inside the mold including the blind pockets. Then the slides are extended into the ends of the respective blind pockets the same distance to compress the molding compound and obtain the desired height of the stack height surfaces formed by the blind pockets.

REFERENCES:
patent: 5011398 (1991-04-01), VanRens
patent: 2005/0017391 (2005-01-01), Kobayashi et al.
patent: 2005/0161862 (2005-07-01), Westerlund et al.

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