Method for making gasket including spherical stop means and vulc

Details Method for making gasket including spherical stop means and vulc Method for making gasket including spherical stop means and vulc

1979-02-21

1980-04-01

Hoag, W. E.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Coating with particulate material

264261, 264268, 264319, 264347, 277 1, 277180, 277227, B29D 300, B29H 300

Patent

active

041961625

ABSTRACT:
A process for the production of seals between surfaces operating at elevated temperatures is disclosed wherein a vulcanizable elastomer mixture is vulcanized by the heat transferred from the surfaces, and by the pressure created by adjustment of the space between the surfaces. In the invention, spacers are arranged between the surfaces to determine the final position thereof and hence the thickness of the seals and the pressure resistance of the spacers is higher than that of the elastomer mixture before or during vulcanization.

REFERENCES:
patent: 3001105 (1961-09-01), Fox
patent: 3077638 (1963-02-01), Hickam
patent: 3195906 (1965-07-01), Moyers
patent: 3625527 (1971-12-01), Brindle
patent: 3863937 (1975-02-01), Silverman et al.
patent: 3983677 (1976-10-01), Lundbom

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