Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1993-07-22
1995-03-14
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
425589, B29C 4564
Patent
active
053975286
ABSTRACT:
A method of closing a mold and a press therefore, whereby a first mold part is moved towards a second mold part by a first relatively large displacement via a mechanical non-fluid drive. The mold parts are then pressed against one another by a fluid system including a pneumatically driven hydraulic system to provide relative high mold pressures. Drive and follower pins are selectively coupled to the hydraulic system by a carousel for selectively coupling a mold part to the hydraulic system during the pressing portion of the cycle. The method and press are particularly suitable for encapsulating electrical components.
De Kruijff Marinus B. J.
Schraven Josephus J. M.
Bartlett Ernestine C.
Heitbrink Jill L.
U.S. Philips Corporation
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