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Jet sled spoil scoop apparatus

  • US 4,295,757 A
  • Filed: 08/23/1979
  • Issued: 10/20/1981
  • Est. Priority Date: 08/23/1979
  • Status: Expired due to Term
First Claim
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1. A pipe burying apparatus comprising:

  • a. a frame;

    b. means on said frame adapting said frame for undersea towing;

    c. left and right jetting means on said frame for cutting at least the left and right side walls of an undersea pipe trench as said frame is towed;

    d. left and right air lift conduit means, each providing spoil intake and spoil discharge portions for removing soil cuttings from the trench cut by said jetting means, said spoil intake portions being placed generally behind and between said left and right jetting means;

    e. spoil collection scoop means surrounding said spoil intake portions on at least four sides including at least the rear side thereof for collecting soil cuttings about said spoil intake portions of said left and right air lift conduit means, said spoil collection means having independently movable rear and bottom door portions which move to a first open position to allow placement of said frame about a pipeline to be buried, and subsequent closure of said rear and bottom door portions after said frame is placed about a pipeline to be buried.

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