Mixer including foam feeding port, mixing method, and method for producing lightweight gypsum board
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United States of America Patent
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Jun 2, 2020
Grant Date -
Jan 12, 2017
app pub date -
Nov 17, 2014
filing date -
Dec 17, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Behavior of a flow of foam ejected to a gypsum slurry can be stabilized, and a relatively large amount of foam can be homogeneously or uniformly dispersed in the slurry. A mixer has a mixing area for preparing gypsum slurry, a slurry delivery section for delivering the slurry from the mixing area, and a feeding port for feeding foam to the slurry in the mixing area and/or the slurry delivery section under pressure. The slurry having the foam mixed therein is supplied to a production line for forming gypsum boards or gypsum-based boards. The feeding port is provided with a partition member dividing an ejecting region. The ejecting region is divided into a plurality of openings, which simultaneously eject the foam to the slurry.
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Cited Art Landscape
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