Apparatus for and a method of facilitating the excavating and re

Details Apparatus for and a method of facilitating the excavating and re Apparatus for and a method of facilitating the excavating and re

1990-01-26

1991-04-23

Reese, Randolph A.

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

By means advancing along terrain and guiding pipe or cable...

198314, 1983161, 198371, 371425, B65G 2110

Patent

active

050095480

ABSTRACT:
A method of excavating a trench (60) wherein lateral confinement such as walls, trenches, vehicular traffic, and the like prevent the accumulation of soil in the confined areas adjacent to the trench (60) and an apparatus for the same. The apparatus (10) consists of a double section belt conveyer, the two sections (12) and (14) connected at an articulable joint (34). The apparatus (10) is capable of selectively raising one end of a section above the other, with the conveyor being supported by axles (25) on which are mounted steerable-drive wheels (21). The method of removing the soil using the conveyor apparatus (10) consists of alternately removing the soil from the ground by loading it on one end of the apparatus, which carries it longitudinally either away from the work site or redeposits it in previously excavated trench as "backfill" (52), then using the conveyor apparatus (10) to bring in bedding (56) and other material (54), while the conveyor apparatus (10), straddling the ditch trench (60 ) is moved longitudinally as the trench (60) is excavated, pipe (58) laid, bedded, and backfilled to complete the process.

REFERENCES:
patent: 236192 (1881-01-01), Stillman
patent: 850107 (1907-04-01), Wolever
patent: 2513942 (1950-07-01), Johnson et al.
patent: 3251449 (1966-05-01), Hoppmann
patent: 3297141 (1967-01-01), Janitsch et al.
patent: 3618329 (1971-11-01), Hanson
patent: 3842994 (1974-10-01), Theurer et al.
patent: 4689903 (1987-09-01), Gilbert

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