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Drain preparation apparatus and method of using same

  • US 5,573,347 A
  • Filed: 05/31/1994
  • Issued: 11/12/1996
  • Est. Priority Date: 05/31/1994
  • Status: Expired due to Fees
First Claim
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1. An apparatus for preparing a drain from a trench in a single pass through the trench by lining the trench with an unrolling length of filter fabric, a first layer of bulk material, a drain pipe and a second layer of bulk material, the apparatus comprising:

  • a fabric guide chute for guiding the unrolling filter fabric into the trench, the filter fabric being positioned in the trench adjacent the bottom and one side wall thereof;

    a pipe chute, having an exit portion, for laying the drain pipe on the first layer of bulk material in the trench; and

    a hopper, said hopper being provided with the bulk material therein and having a first opening in a forward section of the hopper through which the first layer of bulk material is poured into the trench onto the filter fabric, and having a second opening in a rearward section of the hopper through which the second layer of bulk material is poured into the trench onto the drain pipe.

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