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Expired
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John Roberts
John Prescott
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Individual
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Individual
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Publication of GB190819920ApublicationCriticalpatent/GB190819920A/en
19,920. Roberts, J., and Prescott, J. Sept. 22. Balls.-A puncture-closing device for repairing footballs or other inflatable articles, consists of two rubber, rubber and canvas, or like patches A, B vulcanized or otherwise joined together at C. The material is sufficiently flexible to allow one or the other to be twisted by band to pass through the puncture. The underside of the patch A is solutioned to the bladder &c., the air pressure causing a tight joint.
GB190819920D1908-09-221908-09-22Improvements in Devices for Repairing Punctures in Pneumatic Tyres and other Inflatable Articles.
ExpiredGB190819920A
(en)
Improvements in and in the manufacture of material for use in repairing punctures inthe air-tubes of pneumatic tyres and other pneumatically inflatable articles
Improvements relating to the Repair of Punctured or Injured Places in Pneumatic India Rubber Cycle Tyres, or other Tubular or Cellular Vessels of India Rubber.