Method for making a plastic container

Details Method for making a plastic container Method for making a plastic container

1981-01-09

1982-10-19

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264323, B29C 300

Patent

active

043549969

ABSTRACT:
While a portion of a blank made of molecularly orientable plastic resin, which is to be formed into the flange portion of a cup-shaped container, and another portion of the blank, which is to be formed into the bottom wall portion of the container are individually compressed at the molecularly orientable temperature, the portion to be formed into the bottom wall portion is introduced into a die cavity, to form the side wall portion of the container with the material extended by the compressing operation, thereby to form a cup-shaped container with a flange portion.

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patent: 3463350 (1969-08-01), Unger
patent: 3757718 (1973-09-01), Johnson
patent: 3923190 (1975-12-01), Roth
patent: 4082854 (1978-04-01), Yamada et al.
patent: 4102974 (1978-07-01), Boni
patent: 4120932 (1978-10-01), Roth
patent: 4122147 (1978-10-01), Vrcelj
patent: 4151136 (1979-04-01), Cornell
patent: 4182457 (1980-01-01), Yamada et al.
patent: 4206628 (1980-01-01), Miller
patent: 4210013 (1980-07-01), Miller
patent: 4210573 (1980-01-01), Cornell
patent: 4212185 (1980-07-01), Miller

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