Title:
CLAMP DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/024988
Kind Code:
A1
Abstract:
This clamp device sandwiches outer peripheral surfaces of a pair of pipe materials (2) of which end surfaces to be welded are caused to face one another. The clamp device comprises a plurality of sandwiching portions, and projecting pieces (24). The sandwiching portions sandwich the outer peripheral surfaces of the pair of pipe materials (2). The projecting pieces (24) are provided on at least one sandwiching portion. The projecting pieces (24) are inserted between the end surfaces of the pair of pipe materials (2).
Inventors:
KOJIMA HIROSHI (JP)
TOUJO KAKERU (JP)
MATSUO TOMOKI (JP)
HAPPO TAKEFUMI (JP)
NAKA MICHIYUKI (JP)
TOUJO KAKERU (JP)
MATSUO TOMOKI (JP)
HAPPO TAKEFUMI (JP)
NAKA MICHIYUKI (JP)
Application Number:
PCT/JP2023/034450
Publication Date:
February 01, 2024
Filing Date:
September 22, 2023
Export Citation:
Assignee:
MAEKAWA SEISAKUSHO KK (JP)
International Classes:
B25B5/02; B23K37/053; B25B5/04; F16B2/12; F16B7/04; F16L3/00; F16L23/04
Foreign References:
| JP2015229173A | 2015-12-21 | |||
| JP2015073999A | 2015-04-20 | |||
| JP2015058438A | 2015-03-30 |
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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