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Title:
ドライマイカテープ及びこれを用いた電気絶縁線輪
Document Type and Number:
Japanese Patent JP5166495
Kind Code:
B2
Abstract:
To improve the heat-resisting property of insulating material including a dry mica tape and impregnating varnish, to improve the electric insulation property of insulation coils and a stator coil (13) at a high temperature, and to thereby miniaturize rotating machines (15). A dry mica tape includes a base material, a binder resin layer A formed on the base material and including an epoxy resin and an accelerator, a mica paper layer formed in contact with the binder resin layer A, and a binder resin layer B formed in contact with the mica paper layer, including an epoxy resin, and providing a cured resin with a higher glass transition point than that of a cured resin of an impregnating varnish only by reacting with an impregnating varnish including an epoxy resin impregnated into the dry mica tape wound around a conductor.

Inventors:
Kenji Ikeda
Toshiji Shikaoka
Motonobu Iizuka
Haraguchi Yoshihiro
Naohiro Ebisu
Shoichi Maruyama
Application Number:
JP2010180223A
Publication Date:
March 21, 2013
Filing Date:
August 11, 2010
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
H01B17/60; B32B27/10; B32B27/38; C08G59/20; C08G59/40; H01B7/02; H01B17/56; H01F5/06; H02K3/30
Domestic Patent References:
JP11215754A
JP2003501780A
JP2004277461A
JP2005341728A
JP83337A
JP7256814A
JP397824U
JP380645U
JP6441105A
Attorney, Agent or Firm:
Polaire Patent Business Corporation



 
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