H - Electricity – 02 – G
Patent
H - Electricity
02
G
337/98
H02G 3/22 (2006.01) H02G 3/18 (2006.01)
Patent
CA 1249349
FIRE RESISTANT CONDUCTOR SLEEVES Abstract of the Disclosure A fire resistant conductor sleeve for forming a fire resistant coupling between entrance terminals for cable, is provided of flexible material and is of radially expan- sible and collapsible tapered tubular form for sealing around a range of numbers of conductors passing through a wall of the housing. In one construction, the sleeve has axially extending corrugations which allow for its expansion and collapse. - i -
554069
Benoit Richard
Clark Gordon P.f.
Karwowski Zbigniew T.
Austin Reginald J.
Northern Telecom Limited
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