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Soil displacement auger head for installing piles in the soil

  • US 5,722,498 A
  • Filed: 06/17/1996
  • Issued: 03/03/1998
  • Est. Priority Date: 10/28/1993
  • Status: Expired due to Fees
First Claim
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1. A soil displacement auger head for installing piles in the soil, comprising:

  • a tip;

    a displacement body having at least over a lower portion a core diameter increasing in diameter in a direction away from said tip; and

    at least one screw flange extending at least over said lower portion of the displacement body;

    wherein said screw flange has a pitch which increases at least over said lower portion of the displacement body in the direction away from said tip.

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