Method of tempering carboniferous blanks in an autoclave

Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Controlling fluid pressure in direct contact with molding...

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264 296, 264 297, 264 82, 264 85, 264101, 264105, 423210, 423242, 4232451, 423449, 431 3, 431 5, B29C 7102, C01B 3102

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050966359

ABSTRACT:
Cold carbon-containing blanks which are impregnated with a carbon-containing material are introduced into a cold autoclave which is thereupon sealed and filled with inert gas prior to heating of the interior of the autoclave to tempering temperature. The tempered products are cooled in and thereupon removed from the autoclave, and the inert gas is relieved of hydrocarbons and other harmful substances which are released by the impregnating material during tempering.

REFERENCES:
patent: 3504065 (1970-03-01), Edstrom
patent: 4185055 (1980-01-01), Barrilon et al.
patent: 4698010 (1987-10-01), Toncelli
patent: 4942002 (1990-07-01), Feist

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