Method for curing elastomeric articles

Details Method for curing elastomeric articles Method for curing elastomeric articles

1974-10-17

1977-06-07

Hoag, Willard E.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

264 85, 264 94, 264314, 264322, 264326, 264347, B29H 501, B29H 722

Patent

active

040275434

ABSTRACT:
A method for curing vulcanizable elastomeric articles positioned between a mold surface and a pressure chamber including the steps of introducing into the chamber a hot fluid of relatively high heat capacity, e.g., steam, under pressure for a sufficient period to soften the article, introducing into the chamber a gas of relatively low heat capacity and pressurizing the gas in the chamber at a pressure substantially greater than the pressure under which the hot fluid was introduced, and thereafter vulcanizing the elastomeric article.

REFERENCES:
patent: R22188 (1942-09-01), Minor
patent: 2066265 (1936-12-01), Freeman
patent: 2573642 (1951-10-01), Hurry
patent: 2583085 (1952-01-01), Campbell
patent: 2671244 (1954-03-01), Freedlander
patent: 2703436 (1955-03-01), Rhee et al.
patent: 2897840 (1959-08-01), Roberts et al.
patent: 3194705 (1965-07-01), Caplan
patent: 3368017 (1968-02-01), Lister
Perry et al., Chemical Engineer's Handbook, McGraw-Hill (N.Y.), 1963, pp.3-127.

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