Pipes and tubular conduits – Distinct layers
Patent
1981-12-02
1983-02-15
Dixon, Jr., William R.
Pipes and tubular conduits
Distinct layers
138174, 138177, 337158, 337186, 428 36, 525438, D03D 3500, H01H 8502
Patent
active
043735550
ABSTRACT:
The present invention concerns improvements in the use of polyester materials in arc quenching applications, particularly in the cutout fuse tube industry. In one embodiment of the present invention a fuse tube is disclosed as comprising a laminate two-layered structure including as its inner layer, (or liner), a heat-treated polyester filament winding supported in a cured cyclo-aliphatic epoxy resin matrix. The outer layer includes wound glass filaments supported within a cured epoxy resin matrix. The heat treatment of the polyester filament substantially improves the mechanical and electrical character of the fuse tube.
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ASTM: Tentative Specifications for Vulcanized Fibre Sheets Rods and Tubes used for Electrical Insulation, 1954.
The Arc-Interruption and Gas-Evolution Characteristics of Common Polymeric Materials-8th IEEE/PES Conference-Minneapolis, Sep. 20-25, 1981.
G.E. pamphlet-Current Limiting Fuses on Distribution Systems-1974.
Comte Rheal
Mattuck Morris
Canadian General Electric Company Limited
Dixon Jr. William R.
Eckersley R. A.
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