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Reduced skin friction bore casing

  • US 20020031405A1
  • Filed: 05/21/2001
  • Published: 03/14/2002
  • Est. Priority Date: 12/02/1996
  • Status: Active Grant
First Claim
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1. A reduced skin friction bore casing for driving into soils, said reduced skin friction bore casing comprising:

  • said bore casing having a longitudinal axis, a first end and a second end, an exterior surface and an interior surface, said exterior and said interior surfaces being cylindrical and defined by said first and said second ends, said exterior surface and said interior surface being concentric about said longitudinal axis; and

    a friction reduction coating adhered to a first portion of said exterior surface with enough strength and abrasion resistance to withstand abrasion forces applied to said bore casing during driving operations into the soils.

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