Title:
片側または両側の側面にリブを付けたワッシャを製造する方法
Document Type and Number:
Japanese Patent JP2009544901
Kind Code:
A
Abstract:
Method for the production of washers ribbed on one or both sides, wherein the rib profile either is achieved by rolling the raw material of the washers with the washers only after the rolling of the rib profile are punched out or by feeding the already punched out washers in the correct position to a pair of rolls or roll segments, respectively, with the rib structure being shaped by said tools.
Inventors:
Frank Meyer
Application Number:
JP2009521104A
Publication Date:
December 17, 2009
Filing Date:
July 23, 2007
Export Citation:
Assignee:
Accument GM Behr und Ko Ohhge
International Classes:
F16B43/00; B21D22/08; B21H7/14
Domestic Patent References:
| JP2003172332A | 2003-06-20 | |||
| JPH11247831A | 1999-09-14 |
Foreign References:
| US2014995A | 1935-09-17 |
Attorney, Agent or Firm:
Kenji Sugimura
Tatsuya Sawada
Harima Satoko
Tatsuya Sawada
Harima Satoko