Rebuildable slurry conduit elbow

Details Rebuildable slurry conduit elbow Rebuildable slurry conduit elbow

1992-02-26

1993-02-23

Arola, Dave W.

Pipe joints or couplings

Repair

Removable wear element

285 55, 285 93, 285177, 285179, 285367, F16L 5518

Patent

active

051883961

ABSTRACT:
A conduit elbow assembly has a radially split outer housing and a replaceable liner. The liner fits loosely within the housing so that material flowing in the elbow accumulates in the void formed in the housing. The hardened liner is thus reinforced, rendering both inner and outer liner hardened surfaces usable in resisting abrasive attack prior to liner failure. A removable housing member exposes the liner for cutting during replacement. Holes in the outer housing permit leakage of fluent material upon liner failure, thus indicating the need for repair prior to conduit rupture. The assembly is adaptable to accommodate varying pipe dimensions within a particular nominal pipe size.

REFERENCES:
patent: 1314699 (1919-09-01), Poppenhusen
patent: 1510928 (1924-10-01), Ellman
patent: 1601093 (1926-09-01), Widmeyer
patent: 3284106 (1966-11-01), McIntosh et al.
patent: 3551006 (1970-12-01), James
patent: 3768840 (1973-10-01), Upton et al.
patent: 3938832 (1976-02-01), Preston
patent: 4461498 (1984-07-01), Kunsman
patent: 4804207 (1989-02-01), Berchem et al.
patent: 4995427 (1991-02-01), Berchem
patent: 5044670 (1991-09-01), Esser

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