Valve for use in producing cast concrete articles
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United States of America Patent
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-
May 18, 2004
Grant Date -
Aug 15, 2002
app pub date -
Jan 25, 2002
filing date -
Jun 24, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A three piece full port ball valve for use with a form for producing a cast concrete article is provided wherein the housing of the valve has been modified by creating openings through the valve housing to access the flow opening in the ball member for clearing concrete slurry therefrom after the form has been filled. Additional openings in the housing at other locations can be created for cleaning around the ball member and the inside of the housing.
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