Insert molding device

Details Insert molding device Insert molding device

1982-11-19

1985-02-26

Lowe, James

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Opposed registering coacting female molds

249 93, 264276, 2643289, B29C 604

Patent

active

045015406

ABSTRACT:
The insert molding device provides a lead groove communicating with a clearance between a cavity and an inserted workpiece in a mold used for molding a plastic coating on part of the workpiece so that excess molten plastic enters the lead groove. The resulting casting fin formed in the lead groove can be easily removed with an automatic machine, thereby reducing the cost of the final product.

REFERENCES:
patent: 1607073 (1926-11-01), Grot
patent: 2537089 (1951-01-01), Rempel
patent: 2604661 (1952-07-01), Karnt
patent: 2724868 (1955-11-01), Kish
patent: 2976573 (1961-03-01), Davis
patent: 3238287 (1966-03-01), Chapman
patent: 3328846 (1967-07-01), Morin
patent: 3333300 (1967-08-01), Cohan
patent: 3592887 (1971-07-01), Edwards
patent: 3715423 (1973-02-01), Dunn
patent: 3779506 (1973-12-01), Adams
patent: 3814777 (1974-06-01), Schmidt
patent: 4008031 (1977-02-01), Weber
patent: 4197266 (1980-04-01), Clark

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