Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1987-06-15
1989-05-16
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
264160, 264167, 264251, 264273, 264278, B29C 4536, B29C 4514
Patent
active
048308099
ABSTRACT:
A flexible link belt is made by injection molding link portions into and through a flexible carrier webbing, whereby the link portions are also bonded to each other through holes in the webbing. The injection mold used for making the links has two mold sections each with a cavity portion corresponding to the respective link portion. The carrier webbing is held in place between the two mold sections. An injection nozzle reaches into one mold portion and a movable core reaches into the other mold portion preferably in such a position that the injection nozzle and the movable core face each other across the flexible webbing. The core distributes the injected plastics material into both mold portions and so that the plastics material must move primarily through the holes or interstices in the webbing.
REFERENCES:
patent: 2291545 (1942-07-01), Ganz et al.
patent: 2335222 (1943-11-01), Storch
patent: 2415961 (1947-02-01), Nast
Bosshard Ernst
Liebl Rudolf
EgoKiefer AG
Fasse W. G.
Kane, Jr. D. H.
Sidwell Kelley M.
Silbaugh Jan H.
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