Multi-temperature film die

Details Multi-temperature film die Multi-temperature film die

1993-05-03

1994-12-20

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Including both heating and cooling means

156 69, 156251, 156290, 1563084, 156515, 156530, 264163, 264327, 264519, 264522, 4253871, 425407, B29C 3500, B29C 5142

Patent

active

053741790

ABSTRACT:
A heated film die for the fabrication of plastic containers such as bags, envelopes, balloons, bladders, etc.. The die is an integrated sectionalized structure having independent, adjacent, electrically heated, temperature regulated, die sections which are maintained at different temperatures, for performing, simultaneously, two or more of operations such as, cutting, staking and forming, in plastic container fabrication. A lower temperature heat sink between adjacent die sections provides thermal isolation between the die sections.

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