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INTEGRAL JOINING

  • US 20070062628A1
  • Filed: 11/02/2006
  • Published: 03/22/2007
  • Est. Priority Date: 06/18/1999
  • Status: Active Grant
First Claim
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1. A joining element suitable for being forced through a surface of an object comprising a porous material and for being anchored in the porous material with the aid of a directed force and mechanical oscillation, the joining element comprising:

  • a first end portion comprising a thermoplastic material, a second end portion, a body arranged between said first and second end portions, and an axis extending between said first and second end portions, wherein said first end portion is shaped for penetrating the surface and wherein said body comprises at least two substantially cylindrical body portions which are arranged co-axially and have differing cross sections.

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