Abrading – Flexible-member tool – per se
Patent
1992-01-22
1994-11-29
Lavinder, Jack W.
Abrading
Flexible-member tool, per se
451 56, B24D 1100
Patent
active
053678397
ABSTRACT:
An abrasive sheet such as sandpaper has standard dimensions to fit 1/3, 1/2 or 1/4 sheet sanding machines having dust extraction facilities. The sheet has perforated delineated separable or frangible areas adapted to be removed by the user to form one pattern of an array of patterns of holes in the sheet to correspond with the holes in the sole plate of the particular model of abrading or sanding machine which the user is employing. This enables one sheet to be used with several different models. Such an arrangement also ensures that the unperforated portions of the sole plate of the abrading machine are covered by unseparated frangible areas of the abrasive sheet. This is accomplished by defining the frangible areas using circular configurations of perforations. A method for using the abrasive sheet includes the steps of separating the appropriate frangible areas from the abrasive sheet and connecting the sheet to the sole plate so that the pattern of separated frangible areas matches the pattern of dust extraction holes in the sole plate of a particular abrading machine.
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Cover page, U.S. Pat. 3,824,689, issued Jul. 23, 1974 "Piercing of Air Suction Holes in Abrasive Sheet Material" by Hutchins.
Cover page, U.S. Pat. 3,827,194, issued Aug. 6, 1974 "Piercing of Suction Holes in Sanding Disks" by Hutchins.
Cover page, U.S. Pat. 4,549,371, issued Oct. 29, 1985 "Dust Collecting Apparatus for Sander" by Hakoda.
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Cover page, U.S. Pat. 3,854,206, issued Dec. 17, 1974 "Piercing of Suction Holes in Sanding Discs" by Hutchins.
Cover page, U.S. Pat. 3,866,304, issued Feb. 18, 1975 "Method of Piercing Air Suction Holes in Abrasive Sheet Material" by Hutchins.
Cover page, U.S. Pat. 4,949,511, issued Aug. 21, 1990 "Super Abrasive Grinding Tool Element and Grinding Tool" by Endo et al.
Two sheets-DE(A)-P6 "Shaping Non-metal".
Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
Lavinder Jack W.
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