Method for producing insulating tapes containing mica, and the utilization thereof
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United States of America Patent
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Feb 25, 2003
Grant Date -
N/A
app pub date -
Aug 8, 2000
filing date -
Oct 16, 1998
priority date (Note) -
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Abstract
A process for producing mica-containing insulating tape for windings of rotating high voltage electrical machinery which after winding under a vacuum and pressure can be impregnated with a solvent-free synthetic resin and then cured under the action of heat, a fiber-containing mica film which in addition to fine mica also has organic and/or inorganic fibers being sprinkled with an epoxy resin mixture in the form of a powder enamel and the side of the fiber-containing mica film which has been sprinkled with the powder enamel being cemented under pressure and at an elevated temperature to a carrier material.
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