Matching dies for composite cored structures

Plastic article or earthenware shaping or treating: apparatus – Preform assembly means and means for bonding of plural... – Opposed coacting press members

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Details

425398, 425DIG42, 425DIG47, 425809, 425DIG5, 425412, B29C 300, B29C 1700

Patent

active

039959848

ABSTRACT:
A pair of matched metal dies one of which moves against the other to form a mold to contain, and to apply pressure to a part and to pinch off excess material on the part. The lower die has a recess with all the sides of the recess canted outward in two steps. The upper die when inserted contacts the lower canted sides of the lower die.

REFERENCES:
patent: 3200465 (1965-08-01), Lassman
patent: 3244782 (1966-04-01), Eyberger
patent: 3256375 (1966-06-01), Bolelli et al.
patent: 3324511 (1967-06-01), Micai et al.
patent: 3447205 (1969-06-01), Dorsey
patent: 3564602 (1971-02-01), Peck

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