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:
Jun. 23, 1998
Filed:
Feb. 09, 1996
Toshihiko Omokawa, Fukushima-ken, JP;
Shigeki Yoshioka, Shirakawa, JP;
Sumitomo Rubber Industries, Ltd., Hyogo-ken, JP;
Abstract
A pneumatic tire and a method of making the same are disclosed, wherein the tire is made by vulcanizing a green tire in a split mold. The mold has circumferentially extending split lines at a position corresponding to the tire buttress region. The inner surface of the mold is provided with protrusions immediately radially outside the split lines and ribs immediately radially inside the split lines, so that the vulcanized tire is provided with depressions and grooves corresponding to the protrusions and ribs, respectively. Therefore, the raw tire rubber does not get between the split faces of the mold, and the occurrence of burrs along the mold-split lines can be completely prevented.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile