Venting arrangement for matched molds and method

Details Venting arrangement for matched molds and method Venting arrangement for matched molds and method

1980-09-02

1982-11-16

Flint, Jr., J. Howard

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

26433111, 425812, 425543, 425546, 425595, 249141, 249160, 249134, B29C 100, B29F 100, B29G 300

Patent

active

043594433

ABSTRACT:
Disclosed herein is a mold assembly including first and second mold members assembled together to define a mold cavity, which first and second mold members each include a peripheral surface extending outwardly from the cavity, a gasket captured between the peripheral surfaces, and one or more tubes extending through the gasket and between the peripheral surfaces to provide communication between the cavity and the atmosphere.

REFERENCES:
patent: 2178774 (1939-11-01), Bogoslowsky
patent: 2524737 (1950-10-01), Sawyer
patent: 2716623 (1955-08-01), Tator
patent: 2954586 (1960-10-01), Wacker
patent: 2964501 (1960-12-01), Sarofeen
patent: 3136000 (1964-06-01), Slyk
patent: 3377662 (1968-04-01), Fukushima
patent: 3799494 (1974-03-01), McLean
patent: 3822857 (1974-07-01), Tamie
patent: 3891363 (1975-06-01), Sievers et al.

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