Wear resistant pipe

Details Wear resistant pipe Wear resistant pipe

1987-03-02

1988-03-29

Callaghan, Thomas F.

Pipe joints or couplings

Repair

Removable wear element

285 55, 285179, F16L 914

Patent

active

047338890

ABSTRACT:
A wear resistant elbow or bend for use in the pneumatic transport of abrasive materials which comprises an elastomeric liner (14) and a rigid outer shell (30). The elastomeric inner liner (14) has inlet and exit portions that are circular in cross section and connected to a segment that is a closed "U" shape in cross-section. The top of the "U" is the impingement surface (A) that is on the outside of the bend. The impingement surface (A) is essentially flat and on a plane or planes which are inclined so that the angle of incidence (.alpha.) is at least 35.degree., but not more than 65.degree. with reference to the axis of the inlet portion or the direction of the incoming flow of conveyed material (18).

REFERENCES:
patent: 1183308 (1916-05-01), Lepley et al.
patent: 2560114 (1951-07-01), Kennon
patent: 3792187 (1974-02-01), Depcrymski
patent: 4447076 (1984-05-01), Evans
patent: 4461498 (1984-07-01), Kunsman
patent: 4606556 (1986-08-01), Metzger
patent: 4633913 (1987-01-01), Carty et al.
patent: 4641864 (1987-02-01), Heine et al.

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