Method of performing forming operations on plastic sheets,...

Details Method of performing forming operations on plastic sheets,... Method of performing forming operations on plastic sheets,...

B - Operations, Transporting

29

C

18/1159

B29C 51/42 (2006.01) B29C 49/64 (2006.01) B29C 35/16 (2006.01)

Patent

CA 1317732

ABSTRACT OF THE DISCLOSURE In forming operations on plastic sheets, plates, strips, or tubes (particularly, having highly glossy surfaces) by means of molding or forming tools, the surface qualities, particularly the gloss, remains undamaged if; (a) the tool is maintained at a temperature in the thermoelastic state region of the plastic until disengagement of the plastic from the tool; and (b) the formed plastic is cooled at its rear side to below the softening temperature, and is disengaged from the forming tool while said tool is hot.

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