Hollowed, deformable, raised face bolt-ring
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United States of America Patent
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-
Jul 22, 2008
Grant Date -
Jan 24, 2008
app pub date -
Sep 19, 2005
filing date -
Sep 19, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A bolt-ring pipe connector system for connecting stub end pipe particularly thermoplastic pipe is shown. The bolt-ring has an outer vertical rim portion, an inner vertical rim portion and an interconnecting web portion provided with spaced bolt holes. The top side of the bolt-ring has a beveled and angular top surface. The bottom side of the bolt-ring has a contoured recess that provides a variable cross sectional diameter. The new, deformable, variable geometry, hollowed, bolt-ring can be flexed by slight deformations under constant bolt-load. As a result, all anticipated initial and operating changes in high-density polyethylene stub-end dimensions, such as those caused by bolt-up and thermal strain, are managed by the bolt-ring.
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