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Mining hopper made up of steel and polymers

  • US 7,025,407 B2
  • Filed: 10/22/2003
  • Issued: 04/11/2006
  • Est. Priority Date: 04/30/2003
  • Status: Active Grant
First Claim
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1. A mining hopper for the transport of material comprising:

  • at least one steel portion comprising a bottom floor, a plurality of side walls and a front wall;

    at least one rubber or polymer portion;

    wherein said at least one rubber or polymer portion comprises a substantially planar mat varying in thickness over its length and at least one additional planar mat associated with each of said sidewalls and said front wall.

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