Title:
管状部材の加工用金型、及び、部材の製造方法
Document Type and Number:
Japanese Patent JP7194935
Kind Code:
B2
Abstract:
To suppress a stroke distance in processing a tubular member.SOLUTION: A die for processing comprises a slender mandrel arranged inside a tubular member and having a plurality of inner protruding parts, and at least one movable die having a plurality of outer protruding parts. When the at least one movable die is arranged between an outer peripheral surface of the mandrel and the tubular member, inner inclined parts of the inner protruding parts contact outer inclined parts of the outer protruding parts. When the inner inclined parts and the outer inclined parts slide in response to movement of the mandrel to one end side, at least one movable die is displaced toward the tubular member.SELECTED DRAWING: Figure 12
Inventors:
Hirotaka Shinya
Daisuke Setoguchi
Kazuaki Kurita
Takayuki Aoki
Hiroki Koyama
Daisuke Setoguchi
Kazuaki Kurita
Takayuki Aoki
Hiroki Koyama
Application Number:
JP2018221285A
Publication Date:
December 23, 2022
Filing Date:
November 27, 2018
Export Citation:
Assignee:
Futaba Sangyo Co., Ltd.
TOYOTA JIDOSHA KABUSHIKI KAISHA
Yokoi Seiko Co., Ltd.
TOYOTA JIDOSHA KABUSHIKI KAISHA
Yokoi Seiko Co., Ltd.
International Classes:
B21D39/20; B21D37/02; B21D51/16; B21D53/88; B62D25/08
Domestic Patent References:
| JP2016521638A | ||||
| JP59220225A | ||||
| JP10118729A |
Foreign References:
| DE102008064320A1 |
Attorney, Agent or Firm:
Nagoya International Patent Attorney Corporation
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