Textiles: spinning – twisting – and twining – Strand structure – Covered or wrapped
Reexamination Certificate
2005-07-01
2010-06-15
Hurley, Shaun R (Department: 3765)
Textiles: spinning, twisting, and twining
Strand structure
Covered or wrapped
Reexamination Certificate
active
07735307
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 dCof alular core satisfies 1.04≦dC/dS≦1.30 where dSis the diameter of the wrap wire. The wrap wire has a coil diameter DSwhich is 0.5 to 1.3 times diameter DCof 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.
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Okamoto Ken-ichi
Sasabe Hiroshi
Wakahara Hitoshi
Hurley Shaun R
McDermott Will & Emery LLP
Sumitomo (SEI) Steel Wire Corp.
Sumitomo Electric Tochigi Co., Ltd.
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