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Patent Searching and Data


Title:
DEVICE FOR COUPLING TWO TUBULAR ELEMENTS
Document Type and Number:
WIPO Patent Application WO/2010/085829
Kind Code:
A3
Abstract:
The invention relates to a device for coupling two tubular elements (1, 4) of an anchor rod, wherein a first element (1) is provided at one end (2) with an external thread (3) which may be screwed into a complementary inner thread (6) of a collar end (5) of a second element (4) for connecting thereto extending over the end (2) of the first element (1). The collar end (5) of the second element (4) is provided with at least one profiling (9) on the front face (8) thereof facing the first element (1) which may be brought into engagement with at last one profiling (17) on the outer periphery of the end (2) of the first element (1), the cooperating profiles (9, 17) providing a rotational lock of the ends (2, 5) of the tow elements (4) to be screwed together in the tightening direction at least in the essentially completely screwed-in state and thus provide in a simple and reliable manner a rotational lock between two elements (1, 4) for coupling or screwing together.

Inventors:
BÖHM, Karl (Kranzing 3, Holzhausen, A-4615, AT)
KARPELLUS, Walter (Saurweinweg 19, Innsbruck, A-6220, AT)
Application Number:
AT2010/000023
Publication Date:
June 03, 2011
Filing Date:
January 22, 2010
Export Citation:
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Assignee:
DYWIDAG-Systems International GmbH (Wagram 49, Pasching/Linz, A-4061, AT)
BÖHM, Karl (Kranzing 3, Holzhausen, A-4615, AT)
KARPELLUS, Walter (Saurweinweg 19, Innsbruck, A-6220, AT)
International Classes:
E21B17/043; F16L15/08
Foreign References:
US4655482A1987-04-07
US3608933A1971-09-28
US20040108119A12004-06-10
US1645802A1927-10-18
US20070001457A12007-01-04
Attorney, Agent or Firm:
CUNOW, Gerda (Miksovsky & Pollhammer OG, Währinger Straße 3, Wien, A-1096, AT)
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