Donna W. Bange - Eagan MN David E. Johnson - Maplewood MN Mara E. Liepa - St. Paul MN Richard M. Pihl - Cottage Grove MN
Assignee:
3M Innovative Properties Company - Saint Paul MN
International Classification:
B24D 1100
US Classification:
451527, 451550, 451533
Abstract:
Abrasive filaments including plastic abrasive particles interspersed in a thermoplastic matrix. The abrasive filaments can comprise monofilaments, coextruded core/sheath filaments, and coated preformed cores. Also disclosed are abrasive brush constructions using a plurality of such abrasive filaments mounted on a suitable substrate, and unitary injection molded abrasive brushes. Also disclosed are methods of making such filaments and brushes, and method of using such brushes.
Method Of Making Coated Abrasive Belt With An Endless, Seamless Backing
A coated abrasive backing consisting of an endless, seamless, loop is provided. The backing loop includes about 40-99% by weight of an organic polymeric binder, based upon the weight of the backing; and an effective amount of a fibrous reinforcing material engulfed within the organic polymeric binder material. The endless, seamless backing loop includes a length with parallel side edges, and at least one layer of fibrous reinforcing material engulfed within the organic polymeric binder material such that there are regions of organic binder material free of fibrous reinforcing material on opposite surfaces of the layer of fibrous reinforcing material. The fibrous reinforcing material can be in the form of individual fibrous strands, a fibrous mat structure, or a combination of the these. A method for preparing the endless, seamless backing loop for a coated abrasive belt is also provided. The method includes the steps of preparing a loop of liquid binder material having fibrous reinforcing material therein around the periphery of a drum; and solidifying the binder material such that an endless, seamless, backing loop having fibrous reinforcing material engulfed within the organic polymeric binder material is formed.
Method Of Making Abrasive Belt With An Endless, Seamless Backing
A coated abrasive backing consisting of an endless, seamless, loop is provided. The backing loop includes about 40-99% by weight of an organic polymeric binder, based upon the weight of the backing; and an effective amount of a fibrous reinforcing material engulfed within the organic polymeric binder material. The endless, seamless backing loop includes a length with parallel side edges, and at least one layer of fibrous reinforcing material engulfed within the organic polymeric binder material such that there are regions of organic binder material free of fibrous reinforcing material on opposite surfaces of the layer of fibrous reinforcing material. The fibrous reinforcing material can be in the form of individual fibrous strands, a fibrous mat structure, or a combination of the these. A method for preparing the endless, seamless backing loop for a coated abrasive belt is also provided. The method includes the steps of preparing a loop of liquid binder material having fibrous reinforcing material therein around the periphery of a drum; and solidifying the binder material such that an endless, seamless, backing loop having fibrous reinforcing material engulfed within the organic polymeric binder material is formed.
Fused Al2O3-Y2O3 Eutectic Abrasive Particles, Abrasive Articles, And Methods Of Making And Using The Same
Fused abrasive particles comprising eutectic material. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and abrasive brushes.
Fused Al2O3-Rare Earth Oxide Eutectic Abrasive Particles, Abrasive Articles, And Methods Of Making And Using The Same
Fused abrasive particles comprising eutectic material. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and abrasive brushes.
Fused Abrasive Particles, Abrasive Articles, And Methods Of Making And Using The Same
Fused abrasive particles comprising eutectic colonies. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and abrasive brushes.
Edward J. Woo - Woodbury MN, US Thomas W. Rambosek - Woodbury MN, US Ehrich J. Braunschweig - Woodbury MN, US Seyed A. Angadjivand - Woodbury MN, US Suresh Kalatoor - Cottage Grove MN, US Curtis J. Schmidt - South St. Paul MN, US Charles R. Wald - Oakdale MN, US Donna W. Bange - Eagan MN, US
Assignee:
3M Innovative Properties Co. - St. Paul MN
International Classification:
B24D 11/00
US Classification:
451527, 451533, 51297
Abstract:
An abrasive article with an integral dust collection system. The abrasive article comprises a porous abrasive layer with openings, a first filter media with channels, a second filter media, and an attachment interface layer. The openings of the porous abrasive layer cooperate with the channels to allow the flow of particles from the abrasive surface to the second filter media.
Edward J. Woo - Woodbury MN, US Donna W. Bange - Eagan MN, US Craig F. Lamphere - Woodbury MN, US
Assignee:
3M Innovative Properties Company - Saint Paul MN
International Classification:
B24B 1/00
US Classification:
451 28, 451 54, 451 59
Abstract:
A method of abrading a surface of a workpiece with a structured abrasive article in the presence of a liquid comprising water and at least one of a sulfonate or sulfate anionic surfactant.