Pipe bend

Details Pipe bend Pipe bend

1996-01-16

1998-02-17

Melius, Terry Lee

Pipe joints or couplings

Elbow

285 55, 406193, F16L 4300

Patent

active

057184615

ABSTRACT:
A pipe bend for a pipeline for hydraulically or pneumatically conveying solids includes a middle pipe portion and double-layer coupling flanges welded to the ends of the middle pipe portion. Each coupling flange has an outer layer and an inner wear ring. Each outer layer includes an annular collar, a coupling groove and a pipe connecting piece. The wear ring has an outer section whose wall thickness is greater than the wall thickness of an inner section of the wear ring, wherein the outer section is located relative to the pipe axis facing away from the center of curvature of the middle pipe portion extending between the coupling flanges and the inner section is located facing the center of curvature. In addition, the greater wall thickness of the outer section of the wear ring corresponds to the wall thickness of the end portions of the middle pipe portion.

REFERENCES:
patent: 1960557 (1934-05-01), Snyder
patent: 4606556 (1986-08-01), Metzger
patent: 4621953 (1986-11-01), McGuth
patent: 4653777 (1987-03-01), Kawatsu
patent: 5275440 (1994-01-01), Esser

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