Process for deep stretch forming of polyesters

Details Process for deep stretch forming of polyesters Process for deep stretch forming of polyesters

B - Operations, Transporting

65

D

18/715, 190/26.1

B65D 1/00 (2006.01) B29C 51/02 (2006.01) B29C 51/08 (2006.01) B29C 51/42 (2006.01) B29C 71/02 (2006.01)

Patent

CA 1171216

ABSTRACT A NOVEL PROCESS FOR DEEP STRETCH FORMING OF POLYESTERS A deep stretch forming process for producing low distortion, biaxially oriented, heat set, hermetically sealable hollow containers of high molecular weight saturated linear polyesters comprised of deep stretching an injection molded heated countoured preform 20 into a hollow die 10 by means of a heated forming plunger 15, annealing or heat setting and then cooling the formed hollow container 23 prior to its removal from die 10.

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