Patent ID: 6530409
Filing Date: 2003-03-11
Classification: B29C,B29D,B29L,B60C,Y10T

Abstract:
A pneumatic tire comprising a tread portion,an annular anti-adhesive sheet embedded in the tread portion along the inside of the tire, and an inner rubber sheet, the annular anti-adhesive sheet made of a material that does not firmly adhere to adjacent rubber so as to form a bag portion as an unbonded part extending continuously in the tire circumferential direction, said bag portion filled with a self-sealing material for sealing punctures, and said anti-adhesive sheet having circumferential ends being spliced to define a spliced portion, and in the spliced portion, at least one of the circumferential ends disposed radially inwards of the other circumferential end having an edge inclined at an angle of from 30 to 60 degrees with respect to the widthwise direction of the anti-adhesive sheet, wherein a supplementary narrow rubber layer made of the same material as the inner rubber sheet is disposed inside the anti-adhesive sheet such that the supplementary narrow rubber layer extends along one of the circumferential ends which is disposed radially inwards of the other circumferential end.