Pipe repair device

Details Pipe repair device Pipe repair device

1996-10-31

1998-01-13

Scherbel, David

Pipes and tubular conduits

Repairing

Patches

138 98, F16L 55168

Patent

active

057068623

ABSTRACT:
A pipe repair device (10) includes a slotted strap (18) having a first end (20) and a second end (22). The second end (22) of the strap (18) is connected to an adjusting mechanism (24) that is operable to engage the slots in the strap (18) to increase or decrease the diameter of the loop formed when the first end (20) of the strap (18) engages the adjusting mechanism (24). A sealing member (14) having a pair of spaced, substantially parallel slots (50) is slidably carried by the strap (18) through the engagement of the strap (18) with both slots (50). A body portion (52) of the sealing member (14) that is disposed between both slots (50) is disposed radially inward of the strap (18). A backing plate (60) is carried by the sealing member (14) between the sealing member (14) and the strap (18). The backing plate (60) has two tabs (64) that are inserted in the slots (50) causing the backing plate (60) to be retentively carried by the sealing member (14). The tabs (64) are separated from the main body (62) of the plate (60) by pairs of aligned notches (66). The pairs of aligned notches (66) are connected to the main body (62) by neck portions (68) that are slightly less wide than the length of the slots (50). The engagement of the tabs (64) with the slots (50) allows the sealing member (14) and the backing plate (60) to be rotated as a unit about the circumference of the loop to be positioned over a fault in a pipe (12).

REFERENCES:
patent: 2279642 (1942-04-01), Schreiner
patent: 2586640 (1952-02-01), Furman
patent: 2712326 (1955-07-01), Yurdin
patent: 4155574 (1979-05-01), Hulsey
patent: 4202379 (1980-05-01), Vetter
patent: 4391300 (1983-07-01), Saylor et al.
patent: 5002094 (1991-03-01), Brovont
patent: 5027862 (1991-07-01), Laybourn
patent: 5247967 (1993-09-01), Bourque
patent: 5497808 (1996-03-01), Schlund et al.

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