Pipe joints or couplings – Elbow
Patent
1978-01-03
1979-08-21
Callaghan, Thomas F.
Pipe joints or couplings
Elbow
285369, 285382, 285420, F16L 2100
Patent
active
041651090
ABSTRACT:
A wide-band compression coupling for flexible hose, piping or tubing is disclosed which has a sleeve assembly extending circumferentially around the adjacent ends of the tube or pipe. The sleeve assembly has an axially extending, radially projecting crown with a unique clamping means at the crown to tighten the sleeve assembly around the ends of the tubes or pipes. The clamping means comprises a pair of opposed spacer members extending axially on each side of the crown and a center member within the crown interposed between the spacer members. The center member is adapted to be forced radially outwardly when the spacer members are drawn together by fastener means. As the center member moves radially outwardly, the sleeve assembly crown is pulled with it to tighten the sleeve assembly around the ends of the tubes or pipes. The coupling is capable of joining together tubes or pipes having unequal outer diameters and can accommodate tubes or pipes within a range of outer diameters.
REFERENCES:
patent: 3905623 (1975-09-01), Cassel
patent: 3944265 (1976-03-01), Hiemstra et al.
patent: 4049298 (1977-09-01), Foti
Callaghan Thomas F.
Federal Hose Manufacturing Corp.
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