Stamper-holding apparatus for use in injection mold

Details Stamper-holding apparatus for use in injection mold Stamper-holding apparatus for use in injection mold

1987-10-08

1988-12-06

Spitzer, Robert

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

425193, 425595, 425810, 425192R, B29C 3926, B29C 4526

Patent

active

047893206

ABSTRACT:
A stamper holding apparatus comprises a holding member for holding a stamper on the mirror surface of one of stationary and movable mirror blocks, a plurality of stationary side actuation units arranged around the outer periphery of the stationary mirror block, a plurality of movable side actuation units arranged around the outer periphery of the movable mirror block, and operating rods of each stationary side actuation units and operating rods of each movable side actuation units being alternatively engageable with the holding member.

REFERENCES:
patent: 1372992 (1921-03-01), Beadle
patent: 2319479 (1943-05-01), Ryder
patent: 2728943 (1956-01-01), Hertz et al.
patent: 3702749 (1972-11-01), Flusfeder et al.
patent: 3792947 (1974-02-01), Diehl
patent: 4185955 (1980-01-01), Holmes et al.
patent: 4260360 (1981-04-01), Holmes et al.
patent: 4681527 (1987-07-01), Amory et al.
patent: 4684101 (1987-08-01), Wagner et al.

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