Pipe joints or couplings – Flexible joint – rigid members – Socketed packing type
Patent
1981-04-08
1983-08-30
Arola, Dave W.
Pipe joints or couplings
Flexible joint, rigid members
Socketed packing type
285DIG16, 285369, F16L 27 10
Patent
active
044013256
ABSTRACT:
A flexible pipe coupling is disclosed. This coupling comprises a large diameter cylindrical hollow body, a pair of small diameter cylindrical hollow bodies each having one end portion disposed inside each end of the large diameter cylindrical hollow body on the same axial line, and an elastic sleeve member for connecting each end of the large diameter cylindrical hollow body to one end of each of the small diameter cylindrical hollow bodies. The elastic sleeve member is provided at its both ends adjacent to the cylindrical hollow bodies with protrusions each extending outwardly in the widthwise direction of the sleeve member at a radius of curvature corresponding to 0.1.about.0.4 times the thickness of the sleeve member, whereby the durability of the coupling is further improved.
REFERENCES:
patent: 1906057 (1933-04-01), Guy
patent: 2742770 (1956-04-01), Graham
patent: 2785259 (1957-03-01), Haydon
patent: 3610807 (1971-10-01), Whitehead
Masuda Hirotsugu
Sakaguchi Yuji
Tsuchiya Kazuo
Arola Dave W.
Bridgestone Tire Co. Ltd.
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