Invention Application
US20090278399A1 Wheels of unitary construction and method of making same 审中-公开
单一构造的轮子和制造方法

  • Patent Title: Wheels of unitary construction and method of making same
  • Patent Title (中): 单一构造的轮子和制造方法
  • Application No.: US10585389
    Application Date: 2005-01-06
  • Publication No.: US20090278399A1
    Publication Date: 2009-11-12
  • Inventor: Ram SrivatsS. Jayaram
  • Applicant: Ram SrivatsS. Jayaram
  • Priority: IN012/CHE/04 20040107
  • International Application: PCT/IN05/00006 WO 20050106
  • Main IPC: B60B21/00
  • IPC: B60B21/00 B21D53/26 B21D22/18
Wheels of unitary construction and method of making same
Abstract:
This invention relates to a unitary steel wheel as well as an apparatus and method for producing a unitary steel wheel. The unitary wheel comprises rim and disc components. In one embodiment, the unitary wheel further comprises approximately a 50 taper bead-seat for flat or semi-drop cantar rims, produced from a generally circular steel blank. The blank preferably has a cantar hole of predetermined size. In a first step, the blank is initially placed in a spinning machina to form disk and rim portions of a predetermined profila and shape. The preform is further spun and flow formed in the spinning machine, to form a gutter, well, bead-Seat, and/or fixed flange. The preform is then forward and reverse spun to form the final profila and shape of the gutter, wall, bead-seat, and/or fixed flange.
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