【発明の名称】多層容器

Japanese Patent JP2939509

B2

A multi-layer preform for forming multi-layer containers includes an extruded upper portion having a first thickness which is adapted to form an upper portion of a container. The preform also includes an extruded intermediate portion having a second thickness thicker than the first thickness. The intermediate portion is connected with the upper portion and is adapted to form an intermediate body portion of the container. The preform also includes an extruded base portion having a third thickness thicker than the second thickness. The base portion is connected with the intermediate portion and is adapted form a base portion of the container. The portions of the preform are preferably formed from an inner layer and a barrier layer wherein the layers are co-extruded for forming the preform and an outer injection molded layer. In one embodiment, the inner layer includes a lip which overlaps the top edge of the barrier and outer layers. A multi-layer container is then formable from blow molding the preform.

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UIRIAMU EE SURATSUTO
RICHAADO SHII DAARU

JP50387896A

August 25, 1999

June 16, 1995

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PURASUCHIPATSUKU PATSUKEEJINGU INC

B65D1/00; B29B11/06; B29C49/00; B29C49/02; B29C49/22; B32B1/02; B32B27/08; B32B27/36; B65D1/02; B65D23/00; B65D23/02; B29C49/04; B29C49/06; B29K67/00; B29L9/00; B29L22/00; (IPC1-7): B29C49/02; B29B11/06; B29C49/22; B65D1/09; B65D23/00

JP2289309A
JP60189418A
JP609739A
JP62164504A
JP61279513A
JP6159984B2
JP367483B2
JP376645B2
JP415725B2

Suzuki Masayoshi

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