Flow control for large diameter conduits
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United States of America Patent
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Sep 1, 2015
Grant Date -
Mar 27, 2014
app pub date -
May 31, 2011
filing date -
May 31, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A slide blind controls flow through conduits at a flanged connection. The slide blind has a right and left working plates configured such that one of the working plates is sealed between the flanges a perimeter thereof adjacent to inner sides of the flange bolts. A joiner member connects the right and left working plates, and handle members extend in right and left directions from the corresponding working plates. The joiner and handle members have a thickness less than the thickness of the right and left working plates. The handle members and the joiner member define first and second sets of bolt holes to fasten the slide blind with either the right or left working plate between the flanges. The joiner and handle members are significantly lighter weight than the working plates, and can be removed for convenient transport.
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