Patent ID: 6162522
Filing Date: 2000-12-19
Classification: A44B,B24D,D04H,Y10T

Abstract:
A releasably attachable abrasive sheet material which comprises:a first fibrous nonwoven web having a first surface and a second surface and comprised of carded sheath-core bicomponent staple fibers, in which the fibers have a sheath-core melting point differential of at least about 20.degree. C. and a length of from about 10 mm to about 65 mm;a backing layer bonded to the second surface of the first fibrous nonwoven web; anda layer of abrasive particles bonded to the backing layer;wherein the first fibrous nonwoven web has:a thickness of at least about 0.15 mm and a basis weight of at least about 20 grams per square meter;a pattern on the first surface thereof of continuous bonded areas formed only by the application of heat and pressure defining a plurality of discrete unbonded areas, wherein individual fibers within the discrete unbonded areas have at least a portion thereof extending into and bonded within the continuous bonded areas; anda percent bonded area of from about 20 to about 50 percent.