Mold closure system

Details Mold closure system Mold closure system

1993-02-11

1994-04-26

Bushey, Charles S.

Plastic article or earthenware shaping or treating: apparatus

Press forming apparatus having opposed press members

Opposed, registering, coacting mold cavities

425434, 4254501, 4254519, B29C 3700

Patent

active

053065646

ABSTRACT:
There is disclosed a spring-loaded shock absorbing system for use with molding devices to minimize wear due to repeated closing of mold portions. A helical spring which separates the mold portions must be overcome to join the mold portions. The spring is compressed between a platform's shoulder surface of adjustable height and a ledge flaring outward from a spring retainer. The shock absorber is used in conjunction with a clamping system.

REFERENCES:
patent: 978726 (1910-12-01), Fox
patent: 2298057 (1942-10-01), Kelm
patent: 2964791 (1960-12-01), McFarland
patent: 3078515 (1963-02-01), Wintriss
patent: 3157914 (1964-11-01), Deibel et al.
patent: 3611506 (1971-10-01), Schroeder
patent: 4143587 (1979-03-01), Fujii
patent: 4931007 (1990-06-01), Gold/dalg et al.
patent: 5044925 (1991-09-01), Watanabe
patent: 5061165 (1991-10-01), Guzikowski

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