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Method for sealing porosity leaks in pneumatic tires

  • US 4,289,805 A
  • Filed: 07/26/1979
  • Issued: 09/15/1981
  • Est. Priority Date: 07/26/1979
  • Status: Expired due to Term
First Claim
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1. A method for sealing porosity openings in a pneumatic tire having an interior chamber which comprises the steps ofintroducing into the interior tire chamber an aqueous sealing solution containing a butyl latex emulsion and natural fibers;

  • inflating the tire;

    rotating the inflated tire and forming a film of the sealing solution over the interior chamber;

    flowing portions of the sealing solution into the porosity openings;

    rotating the tire over a surface and creating frictional heat; and

    utilizing the frictional heat to dry the portions of the sealing solution within the porosity openings and effecting sealing closure of the said openings.

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