Self gapping socket weld fittings
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United States of America Patent
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May 27, 2003
Grant Date -
Jan 24, 2002
app pub date -
Feb 16, 2000
filing date -
Feb 16, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a positive gapping device for socket welded fittings. The positive gapping device comprises a socket fitting having a recessed area on at least one end for receiving a pipe section that is engageable with the recessed area of the socket fitting. It further includes a gapping means disposed on one of a surface of the recessed area of the socket fitting facing an end of such pipe section and an end of such pipe section for engagement with such socket fitting. The gapping means providing a space between the socket fitting and such pipe section for reducing residual stresses that result from a welding operation.
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