发明名称 TYRE WITH BEAD CORE WITH HEXAGONAL SECTION
摘要 A tyre for vehicle wheels comprises: a carcass with ends associated with a pair of bead cores, each of said bead cores (110) being incorporated in a respective bead (109) comprising a bead filler (111); a tread band (105) radially external carcass; a pair of axially distanced sidewalls (106), each placed between the respective bead (109) and the tread band (105). Each bead core (110) comprises a plurality of windings of a single wire, axially arranged side by side in a plurality of radially superimposed layers in such a way as to define a transverse hexagonal section, and having the axial width of the radially innermost layer (1101) greater than the axial width of the radially outermost layer (1102).
申请公布号 EP1651453(B1) 申请公布日期 2010.06.16
申请号 EP20010902344 申请日期 2001.01.22
申请人 PIRELLI TYRE S.P.A. 发明人 TONEZZER, FRANCO;LOSI, PIERO
分类号 B60C15/04;B60C3/04;B60C9/18;B60C9/22;B60C15/06 主分类号 B60C15/04
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