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Patent Searching and Data


Title:
RESIN-MOLDED COIL AND MANUFACTURE THEREOF
Document Type and Number:
Japanese Patent JP3244750
Kind Code:
B2
Abstract:

PURPOSE: To prevent dropping of a space holding member interposed to be held between an inner coil and an outer coil and to eliminate a cracks in a resin layer of a resin-molded coil.
CONSTITUTION: Recess and protrusion 8a, 8b are formed on at least one of opposed peripheral surfaces of resin-molded cylindrical inner and outer coils 9, 1, and space holding members 10a, 10b are respectively mounted in the recess or on the protrusion 8a, 8b. Projection and recess of a die for shaping the recesses and protrusion 8a, 8b are formed by pressing. The members 10a, 10b are moved by radially sequentially altering the direction of the coil 9 or 1 thereby to increase the space to the coil 1, and mounted in the recess or on the protrusion 8a, 8b.


Inventors:
Masahiro Arishima
Application Number:
JP2421892A
Publication Date:
January 07, 2002
Filing Date:
February 12, 1992
Export Citation:
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Assignee:
Toshiba Corporation
International Classes:
H01F27/30; H01F27/32; H01F41/12; (IPC1-7): H01F27/30; H01F27/32; H01F41/12
Domestic Patent References:
JP61106013U
JP6112221U
JP6013722U
JP249113U
JP60192421U
JP624116U
JP55154522U
JP6113914U
Attorney, Agent or Firm:
Hideaki Togawa