Erosion resistant elbow for solids conveyance

Details Erosion resistant elbow for solids conveyance Erosion resistant elbow for solids conveyance

1983-04-08

1984-10-23

Shepperd, John W.

Pipes and tubular conduits

Distinct layers

138149, 406193, F16L 904, F16L 5500

Patent

active

044782535

ABSTRACT:
An elbow and process for fabrication for use in particulate material conveyancing comprising a curved outer pipe, a curved inner pipe having the same radius of curvature as the outer pipe, concentric with and internal to the outer pipe, comprising an outer layer comprised of a first material and an inner layer comprised of a second material wherein said first material is characterized by high erosion resistance when impinged by particulate material and wherein said second material is characterized by high tensile strength and flexibility, and an inner pipe supporting means for providing support to said inner pipe, disposed between said inner pipe and said outer pipe.

REFERENCES:
patent: 2405075 (1946-07-01), Vollrath
patent: 3714971 (1973-02-01), Venable
patent: 4117868 (1978-10-01), Pignocco et al.
patent: 4199010 (1980-04-01), McGuth et al.
patent: 4251170 (1981-02-01), Sheridan

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