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US 6,485,240 B2Granted
Weld joint between thermoplastic structural and fastening members
AssigneeBollhoff GmbH
InventorsMichael Stumpf, Detlef Schulz
Life of this patent
Estimating the term…
Abstract
A joining assembly for mounting a fastening element of thermoplastic material to an external surface of a structural member of thermoplastic material. The fastening element and the structural member are provided with a joining projection and, respectively, a joining extension have matingly shaped joining surfaces which are integrally joined to each other by melting.
Claims10
A joining assembly for mounting a fastening element of thermoplastic material to an external surface of a structural member of thermoplastic materials, wherein
- said fastening element comprises a main body provided with functional means and a joining projection integral with said main body,
- said structural member has, at said external surface, a joining extension provided with a receiving opening for receiving and joining projection of said fastening element, and
- said joining projection and said joining extension have a common axis and matingly shaped joining surfaces which are integrally joined to each other by melted thermoplastic material thereof, said matingly shaped joining surfaces being of circumferentially smooth shape and one of said matingly shaped joining surfaces being of axially stepped configuration.
Dependencies are inferred from the claim text.