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:
Dec. 14, 2004
Filed:
Apr. 01, 2002
Hiroo Matsunaga, Kodaira, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
It is a method of manufacturing a pneumatic tire provided with a bead guard having an excellent appearance without forming spews and bare, wherein when a pneumatic tire ( ) provided with a bead guard ( ) of a trapezoidal shape at section is vulcanization-shaped in a split type mold ( ) comprising a pair of annular side rings ( ) and many divided segments ( ) for the formation of a tread portion integrally united and engaged therewith, an edge ( - SE, - iSE) of a dividing face ( - S, - iS) between mutually adjoining side ring pieces ( - - ) formed by annularly dividing a side ring ( ) inward and outward in a radial direction with respect to a center axis line of the split type mold ( ) and located at a side of a tire shaping face is positioned in a place corresponding to a depressing portion ( ) forming a bead guard ( ).