Title:
スピニング加工方法
Document Type and Number:
Japanese Patent JP5339513
Kind Code:
B2
Abstract:
A spinning method uses a working roller which is provided on the outer periphery of a pipe body to be worked and revolves around and relative to the pipe body, and the method reduces the diameter of the pipe body by reciprocating the working roller in the axis direction while moving the working roller in the radial direction of the pipe body. In the above-mentioned diameter reducing operation, a wound body consisting of an elastic plate-like material, such as a spring steel sheet, is inserted and disposed, as the core, on the inner side of that portion of the pipe body which is to be reduced in diameter.
Inventors:
Shinobu Kano
Akihiro Ando
Atsushi Kurobe
Akihiro Ando
Atsushi Kurobe
Application Number:
JP2009013490A
Publication Date:
November 13, 2013
Filing Date:
January 23, 2009
Export Citation:
Assignee:
Nisshin Steel Co., Ltd.
International Classes:
B21D41/04; B21D22/16; B21D53/84
Domestic Patent References:
| JP2000263161A | ||||
| JP2003230917A | ||||
| JP64040117A | ||||
| JP2003074336A | ||||
| JP2006346695A | ||||
| JP2010167468A |
Attorney, Agent or Firm:
Okada Manri