Bent pipe having sectional form of high strength

Details Bent pipe having sectional form of high strength Bent pipe having sectional form of high strength

1992-11-24

1994-08-23

Bryant, III, James E.

Pipes and tubular conduits

Reinforced

138 39, 138177, 72369, F16L 0902

Patent

active

053398688

ABSTRACT:
A bent pipe to which external force, such as an internal pressure and a bending moment, is applied singly or in combination, characterized in that the relationship among the outside diameter D.sub.0 of the bent part, the radius of curvature R of the bent part, the outside diameter D.sub.0 of the straight part, the wall thickness T.sub.0 of the straight part, the central cross section angle .phi. of the bent part and the wall thickness t of the pipe, is in the range defined by the following equations (1) and (2): ##EQU1## whereby the bent pipe has a sectional form of high strength.

REFERENCES:
patent: 298059 (1884-05-01), Bennett
patent: 1960557 (1934-05-01), Snyder
patent: 2057038 (1936-10-01), Lindquist et al.
patent: 2303949 (1942-12-01), Nordell
patent: 2441299 (1948-05-01), Taylor
patent: 2689596 (1954-09-01), Huet
patent: 2983995 (1961-05-01), Greese
patent: 2996100 (1961-08-01), Newhall et al
patent: 3473361 (1969-10-01), Cwik
patent: 3869776 (1975-03-01), Moshnin et al.
patent: 3869917 (1975-03-01), Lapp
patent: 4378122 (1983-03-01), Ohno et al.
patent: 4432123 (1984-02-01), Minning et al.

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