Apparatus for laying elongated flexible tubing

Details Apparatus for laying elongated flexible tubing Apparatus for laying elongated flexible tubing

1976-10-01

1977-06-14

Taylor, Dennis L.

61 724, E02F 510, E02B 1100

Patent

active

040289028

ABSTRACT:
An apparatus for laying elongated, flexible tubing in a trench and adapted to be secured to a trenching boom carried by a vehicle. The apparatus includes an upwardly open hopper having a forward end adapted to be secured to the trenching boom in trailing relation thereto, and a trailing end. A first partition is adjacent the forward end and defines a flexible tubing tunnel, the tunnel opening to the top and bottom of the hopper so that flexible tubing may enter the top of the hopper and exit the bottom thereof behind the trenching boom. A second partition is located in the hopper rearwardly of the first partition and defines first and second fill receiving compartments. The compartments open upwardly to receive fill material such as sand, and downwardly to release fill material rearwardly of the tunnel. The second compartment opens downwardly at a level above the downward opening of the first compartment and a first compactor is carried by the hopper rearwardly of the first compartment and forwardly of the second compartment for compacting fill released from the first compartment. A second compactor is carried by the hopper rearwardly of the second compartment for compacting fill material released from the second compartment. A groover is located on the bottom of the hopper forwardly of the tunnel for cutting a groove in the bottom of the trench dug by the trenching boom. The groove is configured to cut a groove having a cross section substantially equal to that of the lower one-third of the flexible tubing being laid.

REFERENCES:
patent: 286861 (1883-10-01), Speed
patent: 2044883 (1936-06-01), Jackson
patent: 3011278 (1961-12-01), Lust
patent: 3201948 (1965-08-01), Schramm
patent: 3429130 (1969-02-01), Feiner et al.
patent: 3603097 (1971-09-01), Zakiewicz

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