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Patent Searching and Data


Title:
LAMINATED CORE MANUFACTURING DEVICE AND MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/180856
Kind Code:
A1
Abstract:
[Problem] To prevent attachment of an adhesive onto an outer-shape punching die even when the adhesive is disposed beyond the outer shape contour of a laminated core, thereby avoiding contamination of the die. [Solution] A laminated core manufacturing device comprising: a first punch 32 and a first die 48 for punching out a part of an outer shape of a core thin sheet of a strip-shaped thin steel sheet; an adhesive application device 60 for applying an adhesive to an adhesive application region including a portion defined in the strip-shaped thin steel sheet by the punching-out by means of the first punch 32 and the first die 48; and a second punch 34 and a second die 50 for punching out of the strip-shaped thin steel sheet an outer shape of the core thin sheet other than the portion pouched out by means of the first punch 32 and the first die 48.

Inventors:
OKUDAIRA HIRONOBU (JP)
HORII HIDEO (JP)
SHINDO KENICHI (JP)
Application Number:
PCT/JP2018/011233
Publication Date:
September 26, 2019
Filing Date:
March 21, 2018
Export Citation:
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Assignee:
KURODA PRECISION IND LTD (JP)
International Classes:
B21D28/02; H01F41/02; H02K15/02
Domestic Patent References:
WO2016071943A12016-05-12
Foreign References:
JP2015076970A2015-04-20
JP2007324455A2007-12-13
JP2001321850A2001-11-20
JP2002151339A2002-05-24
JP2009124828A2009-06-04
Attorney, Agent or Firm:
OSHIMA & PARTNERS (JP)
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