Apparatus for a disc-stem connection
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United States of America Patent
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-
Jun 30, 1992
Grant Date -
N/A
app pub date -
Jan 8, 1991
filing date -
Jan 8, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disc-stem connection for a butterfly valve using interfitted slots on the disc and stem for mechanical connection. An oversize slot on the disc creates channels between the disc and the stem which allows deep penetration of a weld bead. Centralization of the stems within the oversize slots is effected by means of small spacers interposed between the stems and the slot edges. The spacers are small enough so that the necessary space created for the weld is not displaced.
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Cited Art Landscape
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