Seals

Details Seals Seals

1988-02-18

1989-06-13

Nimmo, Morris H.

Electricity: conductors and insulators

Conduits, cables or conductors

Combined

174 77R, 174 93, 277192, H02G 15113

Patent

active

048394718

ABSTRACT:
Seals particularly for cable splice closures having two diametrically opposed sealing members. The sealing members are of soft material with a maximum Shore hardness of 15 and preferably a Shore hardness of 10. A sealing rib of each sealing member extends into a cavity to be occupied by the cable with the sealing members assembled together. Each sealing rib bridges axially between a seal base and a rib stiffening element which is spaced axially of the base and inwardly of the radially outer limits of the base. When assembled into a housing with the base of the seal supported by the housing, the rib stiffening element is spaced from the housing. The rib is deflected radially outwards by engagement with a cable and causes outward resilient deflection of the rib stiffening element which provides resilient support for the rib while permitting it to deflect over a wide range of diameters.

REFERENCES:
patent: 2996567 (1961-08-01), Channell et al.
patent: 3692926 (1972-09-01), Smith
patent: 3705950 (1972-12-01), Jirka et al.
patent: 4103911 (1978-08-01), Giebel et al.
patent: 4361721 (1982-11-01), Massey
patent: 4405083 (1983-09-01), Charlebois et al.
patent: 4538021 (1985-08-01), Williamson, Jr.
patent: 4648606 (1987-03-01), Brown et al.
patent: 4704499 (1987-11-01), Faust

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