3m Innovative Properties Company

Ehrich J Bräunschweig

Edward J Woo

Seyed Abolhassan Angadjivand

Joseph B Eckel

Rufus C Sanders, Jr

Edward L Manor

Robert A Harkins

Timothy J Rowell

A dust collection device for a sanding tool comprising a bag having a sidewall and a coupler attached to the bag. The sidewall comprising a first filter layer, a second filter layer, and an outer support layer. The first filter layer comprising a plurality of fibrillated electrostatically charged electret fibers forming a nonwoven web; the first filter layer having a total pressure drop between about 0.1 to about 4.0 mm HO, and the first filter layer having a total basis weight between about 50 to about 450 gram/m. The second filter layer comprising a melt blown microfiber nonwoven web; the second filter layer having a total pressure drop between about between about 5.5 to about 20.0 mm HO, and the second filter layer having a total basis weight between about 15 to about 75 grams/m.

Dust collection device for sanding tool

Growing community of inventors

Woodbury, MN, United States of America

Ehrich J Bräunschweig