Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Larry Nielsen0
Randy Rowley0
Date of Patent
November 20, 2007
0Patent Application Number
109822650
Date Filed
November 3, 2004
0Patent Primary Examiner
Patent abstract
Sanding and screening are steps in floor finishing that produce large quantities of fine dust which is difficult to remove and which plugs porous filter elements of dust collection systems. Dust collection is enhanced with a floor screening attachment for a floor machine. A vacuum system with a liquid filtering medium is provided to collect dust produced during screening. A dust collection unit is also disclosed to collect and separate sawdust produced by sanding which can cause foaming of a liquid filter medium.
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