Multicavity mold blocks

Details Multicavity mold blocks Multicavity mold blocks

1993-06-15

1995-10-10

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Sets of press couples comprising registering female mold...

2642094, 264508, 264568, 4253261, 425336, 425388, 425396, B29C 4938, B29C 5136

Patent

active

054565898

ABSTRACT:
A travelling mold tunnel for the vacuum forming of profiled tube from extruded parison of molten thermoplastic material includes a plurality of parallel mold cavities with a vacuum applied to each of the mold cavities.

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patent: 4674969 (1987-06-01), Korn
patent: 4900503 (1990-02-01), Hegler et al.
patent: 4983347 (1991-01-01), Rahn
patent: 5141427 (1992-08-01), Hegler et al.

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