Manufacture of thin walled plastics articles

Details Manufacture of thin walled plastics articles Manufacture of thin walled plastics articles

B - Operations, Transporting

29

D

18/1077

B29D 23/00 (2006.01) B29B 13/02 (2006.01) B29C 35/06 (2006.01) B29C 35/04 (2006.01)

Patent

CA 1057927

ABSTRACT OF THE DISCLOSURE Plastics sheeting to be thermoformed into containers as heated to the thermoforming temperature by immersion in heated liquid. This ensures even heating and is exceptionally beneficial in the heating of polypropylene, which has a critical, narrow thermoforming temperature range. The machine for effecting heating is provided with apparatus whereby residual bath liquid can be removed from the sheeting after it leaves the heating bath and before thermoforming.

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