Title:
円筒部材の製造方法
Document Type and Number:
Japanese Patent JP6479416
Kind Code:
B2
Abstract:
Provided is a method for manufacturing a cylindrical member which includes end bending (S11) of respective end portions of a plate material (101) in a longitudinal direction, primary grooving (S12) of respective end surfaces of the plate material (101) subjected to end bending, bending (S13) of the plate material (101) to a ring shape, secondary grooving (S14) of respective end surfaces (103, 104) of the plate material (101) subjected to bending in a ring shape, and joining (S15) of respective end surfaces (104) of the plate material (101). Therefore, it is possible to manufacture a high-quality cylindrical member.
Inventors:
Takuma Terasaki
Hidemine Tsubota
Seiji Fukumoto
Hidemine Tsubota
Seiji Fukumoto
Application Number:
JP2014223493A
Publication Date:
March 06, 2019
Filing Date:
October 31, 2014
Export Citation:
Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
B21D51/18; B23K15/00; B23K31/00; G21C5/00
Domestic Patent References:
| JP11156440A | ||||
| JP59076690A | ||||
| JP56168972A |
Attorney, Agent or Firm:
Hiroaki Sakai
Jun Takamura
Jun Takamura