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Gravimetric blender with power hopper cover

  • US 9,010,988 B2
  • Filed: 01/09/2012
  • Issued: 04/21/2015
  • Est. Priority Date: 06/17/2006
  • Status: Active Grant
First Claim
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1. A gravimetric blender comprising:

  • a) a frame;

    b) a resin material storage hopper supported by the frame, including a hopper cover;

    c) a weigh bin for receiving resin material from the hopper and discharging the bin contents after the contents have been weighed;

    d) a load cell, connecting the frame and the weigh bin, for sensing weight of the weigh bin;

    e) a mixer connected to the frame for mixing contents of the weigh bin; and

    f) the frame including a tubular guide aligned with the center of the cover and oriented perpendicularly thereto, for movement of the hopper cover vertically therealong.

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