Multi-layer parison, multi-layer bottle and apparatus for and me

Details Multi-layer parison, multi-layer bottle and apparatus for and me Multi-layer parison, multi-layer bottle and apparatus for and me

1989-09-12

1991-07-30

Seidleck, James J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

215 12, 215 31, 4285428, B65D 102

Patent

active

050359312

ABSTRACT:
Each of a multi-layer parison and a bottle formed from the parison has a nine-layer structure including five heat resistant resin layers at their mouth portions. The parison is formed by a hot runner nozzle capable of polyester resin and heat resistant resin at the same time. The bottle is formed by a stretching blow molding apparatus in which the parison is set, the apparatus having a passage for heated and compressed air and a passage for cooling fluid.

REFERENCES:
patent: 3955697 (1976-05-01), Valyi
patent: 4507258 (1985-03-01), Aoki
patent: 4589559 (1986-05-01), Hayashi et al.
patent: 4847129 (1989-07-01), Lollette et al.

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