Coupling device and method for fabricating a grip ring to be used in such a coupling device
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United States of America Patent
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Mar 18, 2003
Grant Date -
Oct 18, 2001
app pub date -
Mar 27, 2001
filing date -
Mar 4, 1996
priority date (Note) -
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Abstract
A coupling device for a pipe having a sleeve with an insert end for the pipe and a sealing means suitable for realizing a seal around the pipe inserted in the sleeve having a plurality of mutually slidable elements which together form a ring, and a grip ring mounted within said elements and extending along at least a part of the circumference of the pipe. The grip ring has projections that extend substantially radially inwards from its surface.
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