Title:
湾曲曲げ加工品及びその製造方法
Document Type and Number:
Japanese Patent JP7389769
Kind Code:
B2
Abstract:
To provide a curvature bending workpiece that is preferable in the yield of material, and has superior productivity.SOLUTION: A curvature bending workpiece has multiple slits 24 provided at a predetermined interval in the curvature longitudinal direction. Each slit 24 includes: a first slit part 26 having an outer end 26A opened in a curvature outer edge D and extended in the curvature radial direction, and containing a first side face 28 and a second side face 30 opposed in the curvature longitudinal direction to each other; and a second slit part 32 containing a third side face 34 continued with the first side face 28 in an inner end 26B of the first slit part 26 and a fourth side face 36 continued to the second side face 30 in the inner end 26B of the first slit part 26 and including a portion coming in abutment with the third side face 34, and having a terminal 32D closed in the curvature inner edge E side.SELECTED DRAWING: Figure 3
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Inventors:
Osamu Suzuki
Toshinori Miyakawa
Toshinori Miyakawa
Application Number:
JP2021086071A
Publication Date:
November 30, 2023
Filing Date:
May 21, 2021
Export Citation:
Assignee:
Inaba Manufacturing Co., Ltd.
International Classes:
A47B96/20; A47B97/00
Domestic Patent References:
| JP20004948A | ||||
| JP10028310A | ||||
| JP2003244831A | ||||
| JP2003111624A |
Attorney, Agent or Firm:
Oshima Patent Office