Title:
車両ホイール用リムの製造方法
Document Type and Number:
Japanese Patent JP4653932
Kind Code:
B2
Abstract:
A method of making a rim of sheet metal for a vehicle wheel, in which: a rectangular geometric shape is cut out of a blank of sheet metal; the blank is bent to obtain a cylindrical hoop; the two free edges of the hoop are welded together; at least one cylindrical flow spinning operation is performed to obtain a profile of given thickness of the hoop, zones of constant thickness being adjacent to zones of variable thickness; a cut is made perpendicular to the axis of the hoop out of at least one lateral edge of the hoop; the hoop is profiled to obtain the rim; and the size of the said rim is set.
Inventors:
Guimar bruno
Application Number:
JP2002540872A
Publication Date:
March 16, 2011
Filing Date:
October 31, 2001
Export Citation:
Assignee:
Society Technology Michelin
Michelin Le Cherche et Technic Anonym
Michelin Le Cherche et Technic Anonym
International Classes:
B21D53/30; B21D53/26; B60B21/00
Domestic Patent References:
| JP9504231A | ||||
| JP52147568A |
Attorney, Agent or Firm:
Minoru Nakamura
Fumiaki Otsuka
Sadao Kumakura
Shishido Kaichi
Nobuo Ogawa
Village shrine Atsuo
Takaki Nishijima
Atsushi Hakoda
Fumiaki Otsuka
Sadao Kumakura
Shishido Kaichi
Nobuo Ogawa
Village shrine Atsuo
Takaki Nishijima
Atsushi Hakoda