Crystallized bottleneck of polyester beer bottle and...

Details Crystallized bottleneck of polyester beer bottle and... Crystallized bottleneck of polyester beer bottle and...

B - Operations, Transporting

29

C

B29C 51/42 (2006.01) B01D 9/00 (2006.01) B29C 71/00 (2006.01) B29C 71/02 (2006.01) B65D 1/02 (2006.01)

Patent

CA 2368280

A crystallized bottleneck of polyester beer bottle, in which the crystallized bottleneck is smooth and has a crystallized length of 0.5-35 mm at the bottleneck portion. To manufacture the crystallized bottleneck, an uncrystallized blank of the bottle is air-conditioned and a crystallizer is preheated. A bunker is loaded with the uncrystallized blank, which is delivered to a blank horse's head, then a bottleneck portion of uncrystallized blank is sent into a crystallizer to be heated and crystallized; concurrently the uncrystallized portion is controlled to be unaffected by the hot environment. The polyester bottle blank having a crystallized bottleneck portion is discharged through output blank horse's head and is cooled shaped. The invention features enhanced heat-durability and form-stability, so that the polyester beer bottle exhibits excellent pressure-tightness of beer contained therein.

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