Pipe joints or couplings – With strain relief
Patent
1989-05-22
1990-05-01
Arola, Dave W.
Pipe joints or couplings
With strain relief
285332, 285417, 285423, 285915, F16L 1304
Patent
active
049212834
ABSTRACT:
Carbon or graphite tubes which are mutually connected by bonding are less highly stressable than individual tubes. A sleeve formed of fibers is drawn on to the connection location of the tubes. An intermediate section of the sleeve is firmly connected with the tubes. Foils are introduced between end sections of the sleeve and the tubes. The foils are displaceable in the direction of the tube axes. This structure increases the resistance of the connected tubes to stress. The strength reduction factor of the connection is about 10% as compared to the tubes alone.
REFERENCES:
patent: 2782806 (1957-02-01), Stambaugh et al.
patent: 2795440 (1957-06-01), Holycross et al.
patent: 2807282 (1954-02-01), Waits et al.
patent: 3032870 (1962-05-01), Rohrberg et al.
patent: 3388932 (1968-06-01), Bradley
patent: 4474233 (1984-10-01), Swozil
Schaffner Kurt
Swozil Adolf
Ullmann Gerhard
Arola Dave W.
Greenberg Laurence A.
Lerner Herbert L.
SIGRI GmbH
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