Process for molding a multiple layer structure

Details Process for molding a multiple layer structure Process for molding a multiple layer structure

1988-08-25

1990-07-17

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Forming continuous work followed by cutting

264266, 264269, 264294, 2643281, 26432812, 425812, B29C 4514, B29C 4516, B29C 4534

Patent

active

049420089

ABSTRACT:
An injection molding process for making a multiple layer, plastic structure. A plastic sleeve is placed and then enclosed in a mold cavity. A flowing heated plastic is conducted into the mold cavity, radially inside the sleeve, and forced radially outward against the sleeve. The flowing plastic forces the sleeve outward and forms, with the sleeve, an integrally bonded laminated structure. The mold is opened and the plastic structure is removed, and this structure may then be reformed to form a container particularly suitable for containing beverages, foods, cosmetics, pharmaceuticals and chemicals.

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Patents Abstracts of Japan, vol. 4, No. 76 (M-14) (558), p. 71, Jun. 3rd, 1980.

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