Cable sealing device and method

Details Cable sealing device and method Cable sealing device and method

1988-09-06

1989-12-12

Nimmo, Morris H.

Electricity: conductors and insulators

Conduits, cables or conductors

Combined

138 89, 174 99R, H02G 1508

Patent

active

048869392

ABSTRACT:
The invention deals with a device and method of using such device to seal the duct about an elongate object such as a pipe or cable extending therethrough into a sewer, cable vault or the like. The device consists of two or more collars of a conforming and compressible material, such as sponge rubber, in a cylindrical shape and having a reinforcing nylon tube extending axially therethrough. Each collar is formed about the elongate object and placed within the duct. Compression bands are placed about the collars to compress them in the direction of the elongate object and expand them each in planes perpendicular thereto to more completely engage the outer surface of the elongate object and the inner surface of the duct. A compliant sealing material may be placed upon one interior face of one of the collars to be spread and extruded beyond the collar periphery to better seal to the elongate object and duct. Multiple collars and sealant layers may be used to improve the seal which is the same text but presented as a single paragraph.

REFERENCES:
patent: 1851939 (1932-03-01), Williams
patent: 3655907 (1972-04-01), Philibert et al.
patent: 3667640 (1972-06-01), Morrow
patent: 3964754 (1976-06-01), Murai et al.
patent: 4267401 (1981-05-01), Wilkinson
patent: 4328972 (1982-05-01), Albertson et al.
patent: 4622436 (1986-11-01), Kinnan

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