Method of making thermally expansible rubber tubes for use in se

Details Method of making thermally expansible rubber tubes for use in se Method of making thermally expansible rubber tubes for use in se

1979-02-15

1980-10-21

Person, Sandra M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4214, 260 4247, C08K 904

Patent

active

042293413

ABSTRACT:
A method of manufacturing a thermally expansible rubber tube for use in gas pipes and gas pipe joints. About 2 to 30 parts by weight of oxidized, thermally expansible graphite powder is mixed with 100 parts by weight of raw rubber, and a predetermined quantity of a curing agent and a cure accelerator are added to the rubber and graphite mixture, followed by its formation into a tubular shape.

REFERENCES:
patent: 3156263 (1964-11-01), Adelman
patent: 3389964 (1968-06-01), Olstowski
patent: 3431970 (1969-03-01), Olstowski et al.
patent: 3904111 (1975-09-01), Petersson

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