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Title:
METHOD FOR MANUFACTURING COIL, COIL, AND COIL MATERIAL
Document Type and Number:
WIPO Patent Application WO/2023/112510
Kind Code:
A1
Abstract:
This method for manufacturing a coil comprises: preparing a coil material including a plurality of first coil pieces, a plurality of second coil pieces that are arranged alternately with the plurality of first coil pieces along a predetermined direction and are integrally connected to the plurality of first coil pieces, and a plurality of bend portions, the coil material having a rectangular cross-section; and forming a spiral coil by bending the coil material at the plurality of bend portions in such a way that the plurality of first coil pieces and the plurality of second coil pieces are alternately folded on one another.

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Inventors:
SAITO TSUKASA (JP)
KANAZAWA TATSURU (JP)
OHTAKA NORIMICHI (JP)
OGAWA NORIKO (JP)
ICHIKAWA KOUHEI (JP)
Application Number:
PCT/JP2022/040222
Publication Date:
June 22, 2023
Filing Date:
October 27, 2022
Export Citation:
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Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
H01F41/04; H01F5/00; H01F17/04; H01F27/28; H02K3/04; H02K15/04
Foreign References:
JP2018198237A2018-12-13
JP2014120762A2014-06-30
JPS5923510A1984-02-07
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
Download PDF:
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