Apparatus for producing coating layer onto primary lining
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United States of America Patent
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-
Jun 22, 2004
Grant Date -
Jan 8, 2004
app pub date -
Jun 16, 2003
filing date -
Jun 17, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In order to reliably form a coating layer on the interior surface of a primary lining such as an underground pipe, etc., in a short time and form a coating layer having a uniform thickness, a spray gun 62 is attached to a revolving ring 30 attached to a running truck 2, right and left drive wheels of the running truck 2 are respectively independently driven and controlled to moving the running truck 2 in a primary lining 90 while the revolving ring 30 is rotated at a steady peripheral velocity to blow out a coating material from the spray gun 62, whereby a homogenous coating layer is formed with a fixed thickness on the interior surface of the primary lining 90.
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