Improvements in compositions for closing punctures in pneumatic tubes of tyres

180,807. Brothers, W. M. March 22, 1921. Addition to 151,499. Plastic compositions containing india-rubber and clay.-A composition to be introduced into pneumatic tyres to close punctures consists of crumb-like shreds of spongy rubber or a rubber substitute prepared from oxidized or vulcanized oils...

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Zusammenfassung:180,807. Brothers, W. M. March 22, 1921. Addition to 151,499. Plastic compositions containing india-rubber and clay.-A composition to be introduced into pneumatic tyres to close punctures consists of crumb-like shreds of spongy rubber or a rubber substitute prepared from oxidized or vulcanized oils mixed with a thin paste of colloidal clay and water.