Composite insulation material

Details Composite insulation material Composite insulation material

1984-04-19

1985-08-06

Bell, James J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

174138E, 310 45, 310215, 428102, 428284, 428324, B32B 306

Patent

active

045335800

ABSTRACT:
A composite insulating material for the coils of large rotating electric plant comprises a central layer of resinous mica paper between outer layers of high temperature textile material, such, for example, as stitch bonded high temperature nylon fibres. The material may be provided in the form of a channel section which, with a complementary such section, fits over a straight slot-fitting section of the coil in the form of a sleeve, which may be consolidated on the coil by a coil pressing operation.

REFERENCES:
patent: 3189681 (1965-06-01), Feather
patent: 3841959 (1974-10-01), Mertens
patent: 4013987 (1977-03-01), Foster
patent: 4033805 (1977-07-01), Mitsui et al.
patent: 4085250 (1978-04-01), Smith
patent: 4091139 (1978-05-01), Quirk
patent: 4273825 (1981-06-01), Nishiyama et al.

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