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. 15, 2010
Filed:
Jul. 01, 2005
Hiroshi Sasabe, Tochigi, JP;
Hitoshi Wakahara, Tochigi, JP;
Kenichi Okamoto, Hyogo, JP;
Sumitomo (SEI) Steel Wire Corp., Hyogo, JP;
Sumitomo Electric Tochigi Co., Ltd., Tochigi, JP;
Abstract
The disclosed bead cord which is lightweight and inexpensive and high in formability includes an annular core and a wrap wire helically wrapped around the annular core, the annular core being made of a medium carbon steel or an alloy steel having a lower carbon content and containing specific elements in suitable amounts. The diameter dof alular core satisfies 1.04≦d/d≦1.30 where dis the diameter of the wrap wire. The wrap wire has a coil diameter Dwhich is 0.5 to 1.3 times diameter Dof an annular shape of the annular core. The annular core may be formed with a plating layer of an Al—Zn alloy or a thick plating layer of Zn, or the annular core may be made of stainless steel.