Title:
ランフラット用支持体の製造装置
Document Type and Number:
Japanese Patent JP4513746
Kind Code:
B2
Abstract:
A method of manufacturing a support body for run flat, wherein in a case where the circumferential wall of a tubular blank B is pressingly held between inner and outer molding rollers 1 and 2 and where the molding rollers 1 and 2 are rotated to form at least one circumferentially continuous protruding part on the circumferential wall of the tubular blank B to process the tubular blank B into an annular shell, a molding roller having the maximum outer diameter that is substantially the same as the inner diameter of the tubular blank B is used as the inner molding roller 1.
Inventors:
Takuzo Sano
Takada Noboru
Takada Noboru
Application Number:
JP2005511780A
Publication Date:
July 28, 2010
Filing Date:
May 18, 2004
Export Citation:
Assignee:
THE YOKOHAMA RUBBER CO.,LTD.
International Classes:
B21C37/16; B21D17/04; B21H1/10; B29D30/06; B60B21/02; B60C17/04; B60C17/06
Domestic Patent References:
| JPH10297226A | 1998-11-10 | |||
| JPS4876202A | 1973-10-13 | |||
| JPS59209438A | 1984-11-28 | |||
| JP2004358554A | 2004-12-24 | |||
| JPS563070Y2 | 1981-01-23 | |||
| JP2005504674A | 2005-02-17 |
Foreign References:
| US5212866A | 1993-05-25 | |||
| US5950472A | 1999-09-14 |
Attorney, Agent or Firm:
Shinichi Ogawa
Takashi Noguchi
Kazuhiko Saishita
Takashi Noguchi
Kazuhiko Saishita