Wall feedthrough fitting

Details Wall feedthrough fitting Wall feedthrough fitting

H - Electricity

02

G

337/129, 189/22

H02G 3/22 (2006.01) F16L 5/08 (2006.01) F16L 5/14 (2006.01)

Patent

CA 1284116

ABSTRACT OF THE DISCLOSURE A feedthrough fitting seals around at least one conduit extending longitudinally through a wall opening forming two pairs of parallel inner side surfaces and forming longitudinally directed inner and outer peripheral surfaces. The fitting comprises a plurality of similar elastomeric liner blocks each extending the full width of the frame from one of the side surfaces thereof to the opposite parallel side surface thereof. Each block is formed with at least one interface surface directly engaging the interface surface of an adjacent block, at least one half seat on one of the interface surfaces complementary to the conduit and snugly engaging same, a nonplanar formation extending the full width of the opening on each of the interface surfaces and hermetically interfitting with the nonplanar formation of the adjacent block, and outwardly directed inner and outer lips that extend laterally past the respective opening and engage on the inner and outer peripheral surfaces. A tightener has a pair of wedges engaged between the blocks and an inner surface of the opening and a system for pulling the wedges longitudinally together and thereby pressing the blocks transversely together at their interface surfaces.

574813

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