Hydraulic expansion joint

Details Hydraulic expansion joint Hydraulic expansion joint

1978-12-06

1980-09-23

Callaghan, Thomas F.

Pipe joints or couplings

With fluid pressure seal

277 24, 285302, 285370, 285DIG1, F16L 2712

Patent

active

042239230

ABSTRACT:
An expansion joint for interconnecting pipes or hoses which includes a floating sleeve and a pair of pipe or hose fittings slidably mounted on the sleeve. The fittings are provided with seals to coact with the sleeve and wipers to coact with the sleeve together with stop means for restricting the relative movement between the fittings and the sleeve.

REFERENCES:
patent: 938984 (1909-11-01), Curry
patent: 1079350 (1913-11-01), Kelly
patent: 2136770 (1938-11-01), Witzenmann
patent: 2445580 (1948-07-01), Kasten
patent: 2480174 (1949-08-01), Yost
patent: 2979350 (1961-04-01), Lansky
patent: 3752507 (1973-08-01), Maurer et al.

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