Electricity: conductors and insulators – Insulators – Through wall or plate
Patent
1985-03-29
1986-07-08
Askin, Laramie E.
Electricity: conductors and insulators
Insulators
Through wall or plate
174 18, 174 23R, 174 76, H01B 1730, H02G 15013, F04D 2908
Patent
active
045994870
ABSTRACT:
A gland which is installed in the hole of a wall between two different atmospheres to prevent the leakage of a fluid from the one side to the other side of the wall along the outer sheath of an electric cable has a tubular metallic housing which is sealingly installed in the hole and into which the cable extends. The interior of the housing is filled with a hardened filler material which completely surrounds bare portions of conductors. Beads are formed on such bare portions. Sleeves are shrunk onto the bare portions of the conductors between the respective beads and insulators for the conductors. A tension reducing clamp surrounds the outer sheath of the cable in the housing. The aperture at one end of the housing contains an O-ring which is biased against the external surface of the outer sheath of the cable and against the surface surrounding the aperture by a second ring. The conductors are further surrounded by additional insulators which extend from the filler material by way of an open end of the housing. The beads are welded or soldered onto the bare conductors between the respective pairs of insulators.
REFERENCES:
patent: 658192 (1900-09-01), Sutter
patent: 2651672 (1953-09-01), Ivanoff
patent: 2655638 (1953-10-01), Allen
patent: 2898396 (1959-08-01), Watson
patent: 3839596 (1974-10-01), Glover
patent: 4227043 (1980-10-01), Stohr et al.
patent: 4436950 (1984-03-01), Gaffal et al.
Blank Wilhelm
Roth Ernst
Tellbach Reinhard
Askin Laramie E.
Klein, Schanzlin & Becker Aktiengesellschaft
Kontler Peter K.
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