Pipe joints or couplings – Repair
Patent
1995-06-05
1997-02-25
Nicholson, Eric K.
Pipe joints or couplings
Repair
285373, 285379, F16L 55172
Patent
active
056053576
ABSTRACT:
A pipe collar comprising first and second arcuate shell members, clamping means for drawing the shell members together around a pipe, and improved sealing means disposed in each of the shell members, for facilitating sealing engagement between the pipe collar and the pipe, and between the respective shell member sealing means.
REFERENCES:
patent: 2689140 (1954-09-01), Bonalli
patent: 2690193 (1954-09-01), Smith
patent: 3467141 (1969-09-01), Smith
patent: 4109944 (1978-08-01), Curtin
patent: 4768813 (1988-09-01), Timmons
patent: 5018548 (1991-05-01), McLennan
patent: 5037141 (1991-08-01), Jardine
patent: 5121946 (1992-06-01), Jardine
patent: 5295716 (1994-03-01), Bridges
M&FC Holding Co.
Nicholson Eric K.
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