The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 30, 1990
Filed:
Feb. 14, 1989
Applicant:
Inventors:
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
152504 ; 152505 ; 428140 ; 428117 ; 156290 ;
Abstract
A pneumatic tire is disclosed, which comprises a carcass ply, two vulcanized rubber composition layers arranged radially inside the carcass ply, and a continuous layer of a sealing material arranged between the two vulcanized rubber composition layers. The sealing material has a viscosity of not more than 6.times.10.sup.4 poises at 60.degree. C. Bonding portions are formed through the continuous layer, and discontinuously bond two vulcanized rubber composition layers.