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. 13, 1995
Filed:
Sep. 16, 1992
Munemitsu Yamada, Akashi, JP;
Atsushi Yamahira, Nishinomiya, JP;
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Abstract
A heavy duty radial tire improved in bead durability and airtightness, which comprises a pair of axially spaced bead portions having a bead base to fit with a 15.degree. tapered bead seat of its regular rim, and a bead core disposed in each of the bead portions, the bead core having a polygonal cross sectional shape having an axially inner vertex point (Q1) and an axially outer vertex point (Q2) and a side (L1) extending between the points (Q1 and Q2), the side (L1) being adjacent to and substantially parallel with the bead base, the maximum section width (CW) of the bead core in the direction parallel with the side (L1) being in the range of 0.063 to 0.105 times the rim width (RW) between the bead heel points (P), the axial distance (A) of the axially inner point (Q1) from the bead heel point (P) being 0.073 to 0.125 times the rim width (RW).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile