PIPE FOR A PIPELINE COMPRISING A PLURALITY OF PIPES TO BE CONNECTED TOGETHER, AND METHOD OF CONNECTING PIPES OF THIS KIND
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United States of America Patent
Stats
-
N/A
Issued Date -
Aug 5, 2010
app pub date -
Jul 29, 2009
filing date -
Jul 31, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The pipes according to the invention are distinguished by the fact that they allow a joint to be made without any welding, and sealing rings can be dispensed with when this is done. The pipe according to the invention has an outer coupling portion (2) and in inner coupling portion (3), the outer coupling portion being in the form of a receiving portion and the inner coupling portion being in the form of an insertion portion, to enable two pipes to be connected together in each case. The two coupling portions (2, 3) do not have cylindrical contacting surfaces but curved contacting surfaces. The outer coupling portion has an interior surface which is curved in the longitudinal direction, while the inner coupling portion has an exterior surface which is curved in the longitudinal direction, the surfaces of the inner and outer coupling portions being of different curvatures.
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Cited Art Landscape
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