Title:
パイプ状部材およびその端部封止方法
Document Type and Number:
Japanese Patent JP5961223
Kind Code:
B2
Abstract:
A pipe-shaped member of the present invention is a pipe-shaped member (1) which includes a flat plate portion (1h1, 1h2) placed in at least one end portion (1a1) of two end portions of the pipe, formed in a flat plate shape, and including groove-shaped recessed portions (ta1, tb1, tb2) formed in one and another extended surfaces in the flat plate shape. The recessed portions (ta1, tb1, tb2) are formed such that the flat plate portion (1h1, 1h2) has at least a substantially W-shape, in a direction crossing a longitudinal direction of the flat plate portion (1h1, 1h2), and with a depth not reaching a boundary (1ha) between one plate (1h1) and the other plate (1h2) of the flat plate portion (1h1, 1h2).
Inventors:
Kenji Katsuno
Application Number:
JP2014150434A
Publication Date:
August 02, 2016
Filing Date:
July 24, 2014
Export Citation:
Assignee:
Nippon Jojo Co., Ltd.
International Classes:
B21D19/08; B21D53/88; B60G21/055
Domestic Patent References:
| JP60020404U | ||||
| JP2010076540A | ||||
| JP2008143313A |
Attorney, Agent or Firm:
Isono International Patent and Trademark Office