Buffing tools and methods of making

Details Buffing tools and methods of making Buffing tools and methods of making

D - Textiles, Paper

04

H

D04H 1/46 (2006.01) B24D 11/00 (2006.01) B24D 13/00 (2006.01) B24D 13/08 (2006.01) D04H 1/70 (2006.01) D04H 1/72 (2006.01)

Patent

CA 2332653

A buff is made from a non-woven fabric; where the fibers are first carded and formed into a fairly thick fleece. The fleece is passed over a topographical surface on, for example, a moving belt or a drum. The fleece is subject to a bow-tie hydroentanglement process where: many fine jets of water entangle the fibers on the topographical surface. Excess water is vacuumed from the system. The fabric is dried and chemically treated. With the fabric a variety of buffing tools are made, in wheel, belt or roll form. Tests against standard and mill treatment buffs show a remarkably lower fabric weight loss percentage and lower or normal operating temperatures. The fabric has exceptional mechanical strength, having a tensile strength in excess of 650 N/50 mm according to DIN 29073/3. preferably the fabric has a tensile strength of at least 1,000 N/50 mm in the machine direction and in excess of 900 N/50 mm in the cross direction according to such DIN.

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