Method of making a valve

Details Method of making a valve Method of making a valve

1975-11-25

1977-07-26

Lanham, C.W.

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

264263, 264278, 291571R, 251315, B29D 300

Patent

active

040383580

ABSTRACT:
A valve includes a central valve component with an integral housing molded therearound. During the molding of the housing a seal is held against the valve component by spaced fingers of a tool. After molding is complete and the tool is withdrawn, plastic gripping fingers formed from plastic injected between the fingers of the tool during molding hold the seal against the valve component and the housing.

REFERENCES:
patent: 2066658 (1937-01-01), Street
patent: 2221921 (1940-11-01), Le Beau, Jr.
patent: 2387013 (1945-10-01), Fuller
patent: 3271845 (1966-09-01), Breher
patent: 3712584 (1973-01-01), Wise et al.
patent: 3732606 (1973-05-01), DE Germond
patent: 3961770 (1976-06-01), Wrasman

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