Minnesota Mining and Manufacturing Company

3m Innovative Properties Company

John B Young

Roger C Lokken

Loren L Barber, Jr

Ronald E Lux

Lacy Max Hurlocker

Marian R Appelt

Self-healing articles resistant to oxidizing agents and useful for surface conditioning of sheets, especially metal sheets, are described. The articles comprise a plurality of compacted, stacked non-woven web elements, the web elements each comprising entangled fibers bonded together at points of mutual contact by a bonding agent. The article is resistant to an oxidizing agent or agents, has a Shore A hardness in the range of 70 to 93 and a void volume in the range of 2 to 30 percent. The non-woven articles can be configured into any of a variety of convenient and useful shapes, such as roll shapes, slab or bar shapes. The methods of making these articles are also described.

Self-healing articles resistant to oxidizing agents

Caustic- and acid-resistant nonwoven articles useful for surface conditioning of sheeting, especially metal sheeting, and a method for the manufacture of such articles are described. The articles comprise a plurality of compacted, stacked nonwoven web elements, the web elements each comprising entangled fibers bonded together at points of mutual contact by an adhesive binder, the binder comprising a terpolymer of acrylonitrile butadiene styrene. The nonwoven articles can be configured into any of a variety of convenient and useful shapes, such as roll shapes and slab or bar shapes.

Surface conditioning articles and process for making same

A brush segment for mounting on a slotted support structure is presented. The brush segment generally comprises: a substrate; a carpet of bristles mounted on the substrate in a preferred manner; and, a root system projecting outwardly from a side of the substrate opposite from the carpet of bristles. Brush segments according to the present invention are particularly well-adapted for mounting in association with longitudinal slots of a cylindrical hub arrangement, including conventional cylindrical hub arrangements. In preferred applications the substrate is formed from a pliable material which is then hardened in a preferred configuration.

Apparatus and brush segment arrangement for finishing wheel brushes

A brush segment for mounting on a slotted support structure is presented. The brush segment generally comprises: a substrate; a carpet of bristles mounted on the substrate in a preferred manner; and, a root system projecting outwardly from a side of the substrate opposite from the carpet of bristles. Brush segments according to the present invention are particularly well-adapted for mounting in association with longitudinal slots of a cylindrical hub arrangement, including conventional cylindrical hub arrangements. According to a first described embodiment, the substrate is flat and relatively flexible, and includes a plurality of root members thereon, for mounting. In a second embodiment described, the substrate is generally curved, elastic, and includes a single centrally located root member, for mounting. Also according to the present invention a combination of a hub and at least one brush segment is described. Further, a method of preparing a brush surface is also provided.

Method of preparing an industrial cylinder brush arrangement for

A brush segment for mounting on a slotted support structure is presented. The brush segment generally comprises: a substrate; a carpet of bristles mounted on the substrate in a preferred manner; and, a root system projecting outwardly from a side of the substrate opposite from the carpet of bristles. Brush segments according to the present invention are particularly well-adapted for mounting in association with longitudinal slots of a cylindrical hub arrangement, including conventional cylindrical hub arrangements. According to a first described embodiment, the substrate is flat and relatively flexible, and includes a plurality of root members thereon, for mounting. In a second embodiment described, the substrate is generally curved, elastic and includes a single centrally located root member, for mounting. Also according to the present invention a combination of a hub and at least one brush segment is described. Further, a method of preparing a brush surface is also provided.

Apparatus and brush segment arrangement for finishing wheel brushes; and

A support for an abrasive disc which includes a flat base, an upstanding annular rim and preferably four retainers mounted to the base within the rim and biased toward the rim to grip and retain the disc. The disc may be released by depressing cables connecting opposed diametrical pairs of retainers to withdraw the retainers.

Growing community of inventors

Woodbury, MN, United States of America

John B Young