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| Number | Title | Issue Date |
| 4493126 | Scraping brush A scraping brush with the free ends of the bristles having feet or disc shaped terminal members, which provide the latching or anchoring surfaces by which paint scales or other scales are pried or pulled loose when the scraping brush, in which the bristle... | 01/15/1985 |
| 4486200 | Method of making an abrasive article comprising abrasive agglomerates supported in a fibrous matrix An abrasive article comprising a plurality of separated abrasive agglomerates distributed within a matrix of undulated filaments is provided. The invention also provides a method of making an abrasive article comprising forming, within a lofty open web co... | 12/04/1984 |
| 4480362 | Process and machine for fabric treatment A fabric abrasion process comprises forwarding fabric along a path which brings a surface of the fabric in contact with a yieldable abrading element, for example, a roller, comprising abrasive particles supported by a yieldable body. Pressure is exerted o... | 11/06/1984 |
| 4477938 | Material which has abrasive properties and method of making same A method of producing a cleaning cloth having abrasive properties is disclosed. The method comprises passing a composite material consisting of a needle bonded fabric, a woven or knitted fabric and a layer of foamed synthetic plastics material past a heat... | 10/23/1984 |
| 4437271 | Surface treating pad having a renewable surface A surface treating pad having a renewable working surface comprises a base layer upon which is removably fastened at least one unitary stack comprising a plurality of thin layers of lofty nonwoven abrasive material. The layers on the stack are removably f... | 03/20/1984 |
| 4396657 | Fray and stretch resistant coated abrasive substrates impregnated with epoxy resins cured by specific types of catalysts Yarn arrays bonded with selected adhesives give coated abrasive products with reduced elongation under stress. Best results are obtained using epoxy resins with dicyandiamide, blocked isocyanates and/or imidazole curing agents as saturants for the yarn ar... | 08/02/1983 |
| 4355489 | Abrasive article comprising abrasive agglomerates supported in a fibrous matrix An abrasive article comprising a plurality of separated abrasive agglomerates distributed within a matrix of undulated filaments is provided. The invention also provides a method of making an abrasive article comprising forming, within a lofty open web co... | 10/26/1982 |
| 4338748 | Grinding tool metal machining A grinding tool for metal machining which is provided with matrix-bonded abrasive grains, the hardness of the matrix varying over the grinding area, along which the workpiece moves in a single operation during its passage.... | 07/13/1982 |
| 4331453 | Abrasive article Delamination-resistant abrasive belts and discs suitable for offhand and automated article finishing comprise a lofty, non-woven, three-dimensional abrasive web adhesively bonded to a stretch-resistant woven fabric with a polyurethane binder comprising th... | 05/25/1982 |
| 4271640 | Rotatable floor treating pad A rotatable floor treating pad is provided by uniformly modifying a strip of conformable low-density abrasive product to provide an expandable zone on one side, a contractable zone on the other side, or both, each or a combination of which permits formati... | 06/09/1981 |
| 4133147 | Abrasive brushes and methods of making same An elongate, abrasive strip element is produced by winding an abrasive monofilament, or bundles thereof, back and forth in a zigzag pattern from side to side of the strip, and chain stitching together adjacent transverse sections of the monofilament, or b... | 01/09/1979 |
| 4037369 | Floor maintenance brush A brush or pad having fibers of varying abrasive characteristics, the fibers of greater abrasive characteristics being located towards the center of the brush and the fibers of lesser abrasive characteristics being located towards the outer periphery of t... | 07/26/1977 |
| 3991526 | Synthetic fibrous buff A synthetic fibrous buff composed of layers of nonwoven mats of synthetic organic fibers impregnated with an oil-, water-, and grease-resistant polymeric binder material provides a light-weight smooth running buff which is quiet, clean and cool to operate... | 11/16/1976 |
| 3978379 | Corona generating device with an improved cleaning mechanism An improved corona generating device for an electrostatic reproduction machine having a photoreceptor has a discharge electrode, a conductive shield partially surrounding the electrode, and a cleaning member in contact with and mounted for movement along ... | 08/31/1976 |
| 3969090 | Industrial brush An industrial brush having a base adapted to be mounted for rotation and having a plurality of strands extending from the base, each strand consisting of a tube braided from filaments of synthetic resin.... | 07/13/1976 |
