Sealing sleeve and its use

Details Sealing sleeve and its use Sealing sleeve and its use

1991-05-16

1993-01-26

Arola, Dave W.

Pipe joints or couplings

Frangible element

285 15, 285 55, 285162, 29450, F16L 3500

Patent

active

051817462

ABSTRACT:
A method which is easy to carry out for connecting domestic drainage conduits to collector sewers uses a special sealing sleeve, comprising a tubular, externally cylindrical body, the one side of which is closed by a thin elastic diaphragm, and on the other side of which, opposite the diaphragm, an outwardly projecting bead is mounted, and the inside wall of which forms essentially two stepped cones, the wall thickness increasing toward the diaphragm. The domestic drainage pipe, together with the sealing sleeve, is inserted in the collector sewer from the outside. The sealing sleeve allows a repair of defective domestic drainage conduits without extensive earth works.

REFERENCES:
patent: 1676585 (1925-10-01), Tiefenbacher
patent: 2998269 (1958-10-01), Houghton
patent: 4323166 (1982-04-01), Maeroff

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