Title:
SHAPING DEVICE, WELDED TUBE PRODUCTION DEVICE, TUBE SHAPING METHOD, AND WELDED TUBE PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2024/042973
Kind Code:
A1
Abstract:
This shaping device comprises a tube shaping part and an end-face shaping part. The tube shaping part has formed therein a through-hole (43) having a diameter that decreases from the inlet thereof toward the outlet thereof. The end-face shaping part has a first lateral wall and a second lateral wall which protrude from the inner wall of the through-hole (43) and which are oriented in directions that intersect with the inner circumferential direction of the through-hole (43). The end-face shaping part further has a protrusion (422) that extends in a direction in which the first lateral wall and the second lateral wall lie from the inlet toward the outlet and has a breadth, from the first lateral wall to the second lateral wall, decreasing from the inlet toward the outlet.
Inventors:
SAITO TAKUYA (JP)
ONAKA YOJI (JP)
KIKUCHI SHOGO (JP)
TAKAHASHI AKIHIRO (JP)
MONODANE TAKESHI (JP)
ONAKA YOJI (JP)
KIKUCHI SHOGO (JP)
TAKAHASHI AKIHIRO (JP)
MONODANE TAKESHI (JP)
Application Number:
PCT/JP2023/027347
Publication Date:
February 29, 2024
Filing Date:
July 26, 2023
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B21D5/02; B21C37/08; B21D51/00; B23K9/025; B23K37/00; B23K37/053
Foreign References:
| JP2000141033A | 2000-05-23 | |||
| JPS5976690A | 1984-05-01 | |||
| JP2012096267A | 2012-05-24 | |||
| JPS5999073U | 1984-07-04 | |||
| JP2016185560A | 2016-10-27 | |||
| JPS4848357A | 1973-07-09 |
Attorney, Agent or Firm:
KIMURA Mitsuru (JP)
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