Stretch blow-molded polyethylene terephthalate wide mouth...

Details Stretch blow-molded polyethylene terephthalate wide mouth... Stretch blow-molded polyethylene terephthalate wide mouth...

B - Operations, Transporting

65

D

217/5.5, 190/26.

B65D 1/02 (2006.01) B29C 49/00 (2006.01) B29C 69/00 (2006.01) B65D 79/00 (2006.01) B29C 49/06 (2006.01) B29C 49/08 (2006.01)

Patent

CA 1314826

-23- STRETCH BLOW-MOLDED POLYETHYLENE TEREPHTHALATE WIDE MOUTH CONTAINER AND INTERMEDIATE ARTICLE Abstract of The Invention This invention provides a wide mouth container and intermediate article formed by stretch blow-molding an injection-molded preform of polyethylene terephthalate suitable for packaging tennis balls or other contents under pressure. The container includes an improved base construc- tion which will withstand internal pressure with controlled minimal distortion and an improved flange construction surrounding the wide mouth which provides desired strength and thickness for receiving a metal end closure by double seaming operations and which is formed by a unique accom- modation portion in the intermediate article which has a stepped wall construction.

583935

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