Device for closing-off the space defined between an inner pipe a

Details Device for closing-off the space defined between an inner pipe a Device for closing-off the space defined between an inner pipe a

1977-12-28

1979-12-25

Aegerter, Richard E.

Pipes and tubular conduits

Combined

138109, 138113, 138114, 138149, 174 74A, 174 93, 277212FB, 285138, F16L 5700, F16L 5800

Patent

active

041801016

ABSTRACT:
A device for closing off the space defined between an inner pipe and an outer shield tube comprises a sleeve of flexible resilient material having one end portion whose internal diameter is substantially equal to the external diameter of the inner end, a second end portion whose internal diameter is substantially equal to the external diameter of the shield tube, and an intermediate portion of substantially frusto-conical form joining the first and second end portions. The sleeve also has a tubular appendix which is joined to the intermediate portion of the sleeve and extends substantially parallel to the axis of the inner pipe and the shield tube for accomodating a signal transmitting cable. Angle plates are provided, with each having an axial portion extending over the extension of the shield tube at one end thereof and a radial portion extending at least part of the way from the axial portion across the clearance between the shield tube and the inner pipe.

REFERENCES:
patent: 2545030 (1951-03-01), Isenberg
patent: 2664112 (1953-12-01), Isenberg
patent: 2695254 (1954-11-01), Isenberg
patent: 2919721 (1960-01-01), Isenberg
patent: 3254153 (1966-05-01), Kohler
patent: 3518358 (1970-06-01), Brown
patent: 3583710 (1971-06-01), Burelle
patent: 3854756 (1974-12-01), Couch
patent: 4015072 (1977-03-01), Gillemot

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