Back to results
US 7,858,541 B2Granted
Back pad for abrasive disks and preparation thereof
AssigneeSuntek Industries Ltd.
InventorJeung Woon Kim
Life of this patent
Estimating the term…
Abstract
A back pad comprising a nonwoven fabric, and at least one carbon and polyester fiber textile layers stacked thereon has an improved flexibility and provides an improved working environment, and thus, it can be advantageously used in the manufacturing of an abrasive disk.
Claims7
A glass fiber-free back pad for an abrasive disk comprising a nonwoven fabric and two or more sets of carbon and polyester fiber textile layers stacked on the nonwoven fabric, the carbon fiber textile being made of G78 1/0-H55 1/0×E225 1/0-G150 1/0 (warp×fill) tex/yarn and has a satin or plain fabric pattern of 48-70×26-37 (warp×fill) count/inch.
Dependencies are inferred from the claim text.