Pipe joints or couplings – Movable jaw
Patent
1994-08-17
1995-12-12
Nicholson, Eric K.
Pipe joints or couplings
Movable jaw
285369, 285314, 285309, 285323, F16L 2106
Patent
active
054743354
ABSTRACT:
A duct coupler is disclosed for joining and sealing between adjacent sections of duct. The coupler includes a body, flexible cantilevered sections on the end of the body adapted to pass over annular protrusions on the duct and locking rings for locking the cantilevered flexible sections into position, so as to lock the coupler onto the duct.
REFERENCES:
patent: 2784987 (1957-03-01), Corcoran
patent: 3484121 (1969-12-01), Quinton
patent: 3724882 (1973-04-01), Dehar
patent: 4451069 (1984-05-01), Melone
patent: 5029904 (1991-07-01), Hunt
patent: 5171045 (1992-12-01), Pasbrig
patent: 5338071 (1994-08-01), Hohmann et al.
patent: 5366259 (1994-11-01), Hohmann et al.
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