Method and apparatus for spraying grout onto the interior surface of an enclosed elongated cavity
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United States of America Patent
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-
Sep 26, 1995
Grant Date -
N/A
app pub date -
May 4, 1994
filing date -
May 4, 1994
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A sprayer for applying an uncured grout to the interior surface of an enclosed wall includes a sprayer motor having a rotor rotatably mounted within the motor housing. A spray head is attached to the rotor and a spray conduit is adapted to introduce fluid grout under pressure to the spray head so that it will be thrown radially outwardly in a circular pattern. The motor and spray head are inserted into a conduit and actuated to throw the grout outwardly on to the interior walls of the elongated conduit.
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