Method for making a multi-layer blow molded container

Details Method for making a multi-layer blow molded container Method for making a multi-layer blow molded container

1996-01-18

1998-04-07

Timm, Catherine

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

264135, B29C 4922

Patent

active

057360936

ABSTRACT:
A method for making a multi-layer blow molded container (10) is performed by spraying a sheet (34) of virgin polyethylene terephthalate with a pattern of barrier layer spots (36) prior to thermoforming at each barrier layer spot to provide a preform liner (24) about which polyethylene terephthalate (26) is injection molded to provide a multi-layer preform (10) from which the container is blow molded.

REFERENCES:
patent: 3396062 (1968-08-01), White
patent: 3519514 (1970-07-01), Ignell et al.
patent: 3717544 (1973-02-01), Valyi
patent: 3719735 (1973-03-01), Valyi
patent: 3954923 (1976-05-01), Valyi
patent: 4067944 (1978-01-01), Valyi
patent: 4778551 (1988-10-01), Coffman
patent: 5443766 (1995-08-01), Slat et al.

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