Manufacturing method for thermoplastic container with integral l

Details Manufacturing method for thermoplastic container with integral l Manufacturing method for thermoplastic container with integral l

1986-07-07

1987-12-15

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

264516, 264531, 264534, B29C 4904, B29C 4702, B29C 4300

Patent

active

047132078

ABSTRACT:
A plastic container with an integral handling ring is formed in a mold having a pair of side sections movable toward each other and a pair of co-planar end sections movable toward each other and toward said side sections, by placing molten extrudate in a mold between the side and end sections, so that a handling ring can be formed and compression joined to the container at the same time the container is being formed by blow-molding.

REFERENCES:
patent: 2269010 (1942-01-01), Cunningham
patent: 4378328 (1983-03-01), Przytulla et al.
patent: 4659531 (1987-04-01), Ezaki

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