1974-09-26
1976-05-18
Shapiro, Jacob
61 41A, 61 725, 61 63, 214 1PA, 214 1PB, 214 85, E02F 510, F16L 100, B65G 1300
Patent
active
039569012
ABSTRACT:
The sewer laying system comprises a tile carrying and service unit operable to provide pressure for operation of the tile setting apparatus, to carry pallets of tile, to discharge individual tile sections into the area of the ditchline occupied by the tile setting apparatus, to receive and process aggregate which may be material cut from the ditchline itself, and to discharge specially classified material to the tile setting apparatus and other aggregates to backfill the ditchline.
REFERENCES:
patent: 2763236 (1956-09-01), Cummings
patent: 3034668 (1962-05-01), Wicks
patent: 3565269 (1971-02-01), Martin
patent: 3820345 (1974-06-01), Brecht
Kraft John W.
Kraft, II Charles L.
Shapiro Jacob
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