Transport duct for abrasive materials

Details Transport duct for abrasive materials Transport duct for abrasive materials

1993-04-14

1994-05-10

Mitchell, David M.

Conveyors: fluid current

Conduit

With wear protection means

138172, 138174, B65G 5352

Patent

active

053102916

ABSTRACT:
A transport duct for carrying abrasive materials, such as ceramic powders. The duct comprises an outer casing and an axially extending array of alternating ceramic and polymer segments each having an interior wall defining a passageway. The transport duct is useful for transporting streams of alumina powder to an aluminum electrolysis cell and for other uses where abrasion resistance and avoidance of internal material buildup are important.

REFERENCES:
patent: 3794359 (1974-02-01), Fisher
patent: 3825036 (1974-07-01), Stent
patent: 4212328 (1980-07-01), Yamamoto
patent: 4461324 (1984-07-01), Schneider
patent: 4537224 (1985-08-01), Sumitani et al.
patent: 4564319 (1986-01-01), van Waveren
patent: 4653777 (1987-03-01), Kawatsu
patent: 4938848 (1990-07-01), Raines et al.

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