Title:
WHEELS OF UNITARY CONSTRUCTION AND METHOD OF MAKING SAME
Document Type and Number:
WIPO Patent Application WO2005065048
Kind Code:
A3
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 predeter.mined size. In a first step, the blank is initially placed in a spinning machina to form disk and rim portlons of a predetermined profila and shape. The preform is further spun and flow formed in the spinning machlne, 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.
Inventors:
SRIVATS RAM (IN)
JAYARAM S (IN)
JAYARAM S (IN)
Application Number:
PCT/IN2005/000006
Publication Date:
August 03, 2006
Filing Date:
January 06, 2005
Export Citation:
Assignee:
WHEELS INDIA (IN)
SRIVATS RAM (IN)
JAYARAM S (IN)
SRIVATS RAM (IN)
JAYARAM S (IN)
International Classes:
B21H1/02; B21D22/16; B21D53/26; B21H1/04
Foreign References:
US4554810A | 1985-11-26 | |||
US6427328B2 | 2002-08-06 | |||
US3264719A | 1966-08-09 | |||
US3129496A | 1964-04-21 | |||
EP0148066A2 | 1985-07-10 | |||
US6052901A | 2000-04-25 |
Other References:
See also references of EP 1708837A4
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