Cut-out fuse tube

H - Electricity – 01 – H

Patent

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306/149, 31/154

H01H 85/38 (2006.01) H01B 3/40 (2006.01) H01H 85/42 (2006.01) H01H 85/17 (2006.01)

Patent

CA 1180545

ABSTRACT OF THE DISCLOSURE The present invention concerns improvements in the use of polyester materials in arc quenching applic- ations, 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.

415392

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