Ball and socket joint for the waterproof assembly of two pipe elements
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 25, 2000
Grant Date -
N/A
app pub date -
Oct 30, 1998
filing date -
Oct 30, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ball-and-socket joint of the type where the male end (1) of a first pipe element (2) has a spherical saddle (5) designed to be inserted and pivot in a specially designed housing with a spherical profile (11) which is set on the Y--Y axis socket of a second pipe element (4). A waterproof elastomer ring gasket (16) is set in a ring groove (15) in the socket's (3) internal surface. The groove is designed and located in such a way that it forms an expansion chamber for the elastomer of the gasket during the insertion of the spherical saddle into the socket and insures, in a locked position, the pressing of the gasket on the outside surface of the saddle located beyond the maximum diameter of said saddle measured in a direction perpendicular to the axis Y--Y of the socket. The gasket is thus subjected to a residual radial compression that guarantees the waterproofness of the assembly and simultaneously prohibits the dislocation of the pipe elements.
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