Trench filler

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – By means advancing along terrain and guiding pipe or cable...

Patent

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Details

371425, 37466, 404 92, 404 98, 172509, 405154, 405174, F16L 1028

Patent

active

061392235

ABSTRACT:
A trench filler having a generally synclinal front section having a solid top and generally downwardly extending sidewalls, a rear section of unitary construction with the front section, the rear section having a solid top and generally downwardly extending sidewalls that are generally longitudinally parallel to each other, and integral running skids beneath the sidewalls that extend forwardly beyond the front section and having upwardly curled ends wherein dirt located beside a trench is gathered by the front section and released through the rear section back into the trench without substantially disturbing the turf located about the trench.

REFERENCES:
patent: 975457 (1910-11-01), Ransome
patent: 1312852 (1919-08-01), Kjolstad
patent: 1384617 (1921-07-01), Lee
patent: 1840230 (1932-01-01), Harris
patent: 2814387 (1957-11-01), McWilliams
patent: 3157139 (1964-11-01), Spindler
patent: 3471953 (1969-10-01), Wyatt
patent: 3568453 (1971-03-01), Ziegenmeyer
patent: 3797582 (1974-03-01), Couch
patent: 4283867 (1981-08-01), Brown
patent: 4539765 (1985-09-01), Reece
patent: 4618004 (1986-10-01), Howard
patent: 5097610 (1992-03-01), Bishop
patent: 5659983 (1997-08-01), Coutarel et al.
patent: 5846026 (1998-12-01), Gilbert et al.
patent: 5865563 (1999-02-01), Bonds
Palm Attachments Website printout; Trench-Pak, revised Apr. 15, 1998.

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