Pipe joints or couplings – Both members pliable and nonmetal
Patent
1973-01-02
1977-03-29
Schroeder, Werner H.
Pipe joints or couplings
Both members pliable and nonmetal
285423, F16L 3100
Patent
active
040145697
ABSTRACT:
A joint is made between two lengths of flexible ducting by captivating a flexible resilient ring attached to one end of a length of the ducting between a pair of spaced parallel rings attached to the end of the other length of the ducting. The joint can be made by deforming the flexible ring and passing it into the end of the second length of ducting and then releasing it, when it is in position, so that due to its resilience it assumes its natural shape and is positioned between the pair of rings.
REFERENCES:
patent: 1525538 (1925-02-01), Evans
patent: 2911237 (1959-11-01), Olson
patent: 3747126 (1973-07-01), Hoagland
Bycroft George William
Thorp Peter
Coal Industry (Patents) Limited
Cohen Moshe I.
Schroeder Werner H.
Wray James C.
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