Differential temperature vacuum-forming tool

Details Differential temperature vacuum-forming tool Differential temperature vacuum-forming tool

1995-06-08

1997-05-27

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

264509, 264522, 264554, 425388, B29C 5110, B29C 5142

Patent

active

056330227

ABSTRACT:
The disclosure is directed to a differential temperature vacuum forming tool having differentially heated sections. In a specific application, vacuum formed plastic buttons with indicia thereon are produced without distortion of the print indicia. The vacuum forming tool accepts a printed plastic overlay for shaping; and the shaped printed plastic overlay can be used to produce back-lit buttons.

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