Stretch blow-molded polyethylene terephthalate wide mouth contai

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

1987-12-07

1990-01-16

Seidleck, James J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

215 1C, 220 70, 428212, 4285428, 428910, B65D 102, B65D 2300

Patent

active

048942685

ABSTRACT:
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 construction 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 accommodation portion in the intermediate article which has a stepped wall construction.

REFERENCES:
patent: 4502607 (1985-03-01), Szajna
patent: 4704243 (1987-11-01), Nilsson et al.

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