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Proppant discharge system and a container for use in such a proppant discharge system

  • US 10,569,953 B2
  • Filed: 06/27/2017
  • Issued: 02/25/2020
  • Est. Priority Date: 07/23/2012
  • Status: Active Grant
First Claim
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1. A proppant container to transport, store, and discharge fracking proppant when positioned therein, the container comprising:

  • a box having,a bottom having a generally planar shape to position the proppant container on a support structure, a pair of side walls and a pair of end walls, and a top wall that collectively in combination define an outer rectangular wall and a single chamber within the box to receive the fracking proppant when positioned within the proppant container,an inlet formed in the top wall,a single outlet formed in the bottom wall, anda plurality of ramps connected to and extending downwardly from the side walls and the end walls toward the bottom and to the single outlet to channel fracking proppant when positioned within the box toward the outlet;

    a box frame that provides structural support for the box when fracking proppant is positioned therein;

    ramp supports including at least one ramp support for each of the plurality of ramps, wherein each ramp support comprises a triangular member having a first leg extending vertically between the outer rectangular wall and the bottom, a second leg extending along the bottom from the first leg toward the single outlet and an third leg extending along the ramp between the first and second leg; and

    a gate slidably positioned adjacent the outlet, the gate being movable between a first position covering the outlet and retaining the fracking proppant within the single chamber when positioned in the box to a second position opening the outlet to enable the fracking proppant to flow out of the single chamber, wherein the gate is configured to connect to an actuator for moving the gate between the first position and the second position when the box frame is positioned on a support structure.

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