Plow for use in laying drain-tile

Details Plow for use in laying drain-tile Plow for use in laying drain-tile

1978-01-19

1979-03-06

Shapiro, Jacob

Hydraulic and earth engineering

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

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

37193, 172740, F16L 100

Patent

active

041428170

ABSTRACT:
An improved plow for use in laying drain-tile. The plow has a narrow body with an elongated upright portion and a triangular portion at the bottom, front end of the upright portion. Means on the body guide a drain-tile from an inlet high in the upright portion to an outlet at the bottom, rear of the upright portion. The plow has a plow blade detachably and adjustably fixed to the leading edge of the triangular portion. A near shoe and a plow knife may also be detachably fixed to the plow. The plow knife includes means for moving earth in a manner that it fills in the drain-tile trench. Linkage means are provided for connecting the plow to a tractor in a manner that it can be easily maneouvered. The linkage means includes an adjustable link that can change the attitude of the plow. The plow may also comprise means for laying a cover strip on top of the drain-tile as it is being laid.

REFERENCES:
patent: 1279733 (1918-09-01), Lodwig
patent: 3217500 (1965-11-01), Diamond et al.
patent: 3268012 (1966-08-01), Ratkowski
patent: 3300989 (1967-01-01), Reising
patent: 3657831 (1972-04-01), Kant
patent: 3777500 (1973-12-01), Kelley
patent: 3851489 (1974-12-01), Richardson

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