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Patent Searching and Data


Title:
METAL PIPE HAVING A CONNECTOR
Document Type and Number:
WIPO Patent Application WO/2014/173652
Kind Code:
A3
Abstract:
The invention relates to a pipe element, which comprises a metal pipe (1) and at least one metal connector (5), which is fastened to an end of the metal pipe (1) in such a way that torques and axial forces can be transmitted between the metal pipe (1) and the metal connector (5), wherein the metal connector (5) has thread (11), in particular a conical thread, or a flange, by means of which thread or flange the metal connector (5) can be screwed to another metal connector of an additional pipe element in order to connect two pipe elements, wherein the metal connector (5) is screwed to an inner sleeve (3) by means of a cylindrical thread (7,9) in such a way that the metal pipe (1) is clamped in a planar manner between the metal connector (5) on the outside and the inner sleeve (3) on the inside in a connection region (1.1), which is conically tapered toward the pipe end.

Inventors:
LANG MARKUS (DE)
TICHELMANN PATRICK (DE)
Application Number:
EP2014/056766
Publication Date:
March 26, 2015
Filing Date:
April 04, 2014
Export Citation:
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Assignee:
VOITH PATENT GMBH (DE)
International Classes:
E21B17/00; F16L39/02
Foreign References:
US4813715A1989-03-21
US5332049A1994-07-26
GB2230832A1990-10-31
DE29914915U11999-12-30
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