Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1988-05-04
1992-04-21
Lesmes, George F.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428379, 428383, 428401, 174110SR, 174120SR, D02G 300, B32B 1600
Patent
active
051066866
ABSTRACT:
Magnet wire substrates (1) are described having a layer of polyester tape (2) wrapped thereon, including a layer of spirally wrapped and bonded polyester insulation tape (3) as the outermost layer. The two tape layers are made up of amorphous (4) and crystalline (5) segments unbonded to the wire and bonded to each other to provide the requisite electrical properties and improved physical properties including increased flexibility and ease of strippability. A single multilayer polyester insulation tape can also be used with similar properties and reduced thickness.
REFERENCES:
patent: 3657008 (1972-04-01), Gleim
patent: 4091150 (1978-05-01), Roelofs
patent: 4131714 (1978-12-01), Karkoski
patent: 4624718 (1986-11-01), Hessler et al.
patent: 4761520 (1988-08-01), Wade, Jr.
patent: 4851060 (1989-07-01), Wade, Jr.
patent: 4868035 (1989-09-01), Weinberg et al.
Eloph Harry E.
Hessler John D.
Wade, Jr. Ivan W.
Coray Jill M.
Essex Group Inc.
Lesmes George F.
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