Set modifying admixtures for refractory shotcreting
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United States of America Patent
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-
Aug 31, 1999
Grant Date -
N/A
app pub date -
Feb 27, 1997
filing date -
Feb 27, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of applying a refractory castable material to the surface of a structure comprising the steps of thoroughly mixing a refractory castable material comprised primarily of aggregate and a cementitious binder; conveying the refractory material under pressure through a delivery hose to a dispensing nozzle; and adding hydrated lime to the refractory castable material prior to application by the nozzle.
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