Excavating – Ditch filler
Patent
1990-09-06
1992-02-04
Huppert, Michael S.
Excavating
Ditch filler
209235, 209241, 209257, 209285, 209288, 209406, 209421, 405179, 37195, E02F 522, B07B 122, B07B 142
Patent
active
050849913
ABSTRACT:
A method and apparatus are disclosed for padding a pipeline lying in a ditch by separating fine particles from coarse particles in the material excavated from the ditch and windrowed along the side of the ditch comprising moving a frame supporting a rotating separator drum at the desired distance above ground to engage windrowed material at the level required to obtain sufficient fines to pad the pipeline while rotating the separating drum to separate the fine and coarse material and conveying the fines laterally into the ditch.
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Huppert Michael S.
Wacyra Edward M.
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