(19)
(11) EP 1 008 420 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
05.12.2001 Bulletin 2001/49

(43) Date of publication A2:
14.06.2000 Bulletin 2000/24

(21) Application number: 00103427.1

(22) Date of filing: 30.08.1996
(51) International Patent Classification (IPC)7: B24D 11/00, B24D 15/04, A47L 13/17
(84) Designated Contracting States:
DE ES FR GB IT
Designated Extension States:
AL LT LV SI

(30) Priority: 30.08.1995 US 520954
16.01.1996 US 586102

(62) Application number of the earlier application in accordance with Art. 76 EPC:
96929809.0 / 0847322

(71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY
St. Paul, Minnesota 55133-3427 (US)

(72) Inventors:
  • Barnard, C., Mathew, c/o Minn. Mining & Manuf. Co.
    Minnesota 55133-3427 (US)
  • Hanf, Charlie, A. c/o Minn. Mining & Manuf. Co.
    Minnesota 55133-3427 (US)
  • Moren, Louis, S. c/o Minn. Mining & Manuf. Co.
    Minnesota 55133-3427 (US)
  • Spencer, Douglas, S. c/o Minn. Mining & Manuf. Co.
    Minnesota 55133-3427 (US)
  • Windisch, Laurie, A. c/o Minn. Mining & Manuf. Co.
    Minnesota 55133-3427 (US)

(74) Representative: VOSSIUS & PARTNER 
Siebertstrasse 4
81675 München
81675 München (DE)

   


(54) Nonwoven abrasive material roll


(57) A longitudinally extending web (30) of lofty nonwoven abrasive surface treatment material is provided in a coreless roll form to the end user. Successive wraps of the nonwoven abrasive material (30) have interengaging surfaces sufficient to maintain the material in a spirally wrapped configuration yet being readily separable. A plurality of longitudinally spaced and laterally disposed perforations (34) through the web (30) permit the user to successively separate the web (30) into a plurality of sheets of abrasive surface treatment material (36). In a preferred embodiment, the roll is encased in a protective shrink wrap sheath, and each sheet (36) is separated from the roll by separating said sheet (36) from an innermost wrap (38) of the roll. In another preferred embodiment, the abrasive surface treatment material includes abrasive particles of 1000 grade or finer.






Search report