Crook for filling a sandbox

Details Crook for filling a sandbox Crook for filling a sandbox

2005-01-18

2005-01-18

Douglas, Steven O. (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

Diverse fluid containing pressure filling systems involving...

Filling with exhausting the receiver

C141S067000, C141S286000, C409S098000

Reexamination Certificate

active

06843284

ABSTRACT:
A sandbox filler crook comprising a feed pipe in which a granular material is transported by compressed air, which pipe presents successively an upstream portion for holding by an operator, a curved intermediate portion, and a downstream portion for insertion into a feed orifice of the sandbox, the upstream and downstream portions being rectilinear and substantially vertical during filling, wherein said downstream portion of the pipe includes at least one side orifice for air exhaust.

REFERENCES:
patent: 1340606 (1920-05-01), Groenewold
patent: 1865145 (1932-06-01), Seidemann
patent: 6176279 (2001-01-01), Dahlin et al.
patent: 6382272 (2002-05-01), Dahlin et al.
patent: 6666642 (2003-12-01), Fourcroy
patent: 2 443 552 (1976-03-01), None
patent: 0 561 679 (1995-11-01), None

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