Thin insulating mica sheet and insulated coil

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified

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428363, 428449, 428415, 428454, 4284735, 4284747, 428480, 174110R, 174120SR, B32B 516

Patent

active

043991904

ABSTRACT:
A thin insulating sheet comprises an associated mica sheet containing 1 to 9 wt. % of a polymer fibril which is melt-bonded to a polymer film or a porous polymer sheet and impregnated with a resin in a prepreg form.

REFERENCES:
patent: 3998963 (1976-12-01), Smith
patent: 4046938 (1977-09-01), Torossian et al.
patent: 4247364 (1981-01-01), Culp
patent: 4264669 (1981-04-01), Yuan
patent: 4304818 (1981-12-01), Hirata et al.
Conductfol.RTM.. Conducttherm.RTM.. "Single Conductor Insulation of High Voltage Machines Using Mica Tapes" by SIEMENS; 14th EIC (1979) pp. 76-79.
Micafold.RTM.. ASEA Catalogue. "Newly Developed Turn Insulation for Large, High-Voltage Machines" by L-G Virsberg, M.Sc. and A Bjorklund; OK000-I 13 E (1977); pp. 1-6.

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