Multi-purpose sandpaper design and uses thereof

Abstract

Multi-purpose sandpaper sheets and rolls are disclosed that include: at least four corners, wherein at least one of the at least four corners has a rounded or non-squared configuration, a plurality of abrasive materials, a backing material, wherein the plurality of abrasive materials are affixed to the backing material; and at least one perforation, score or combination thereof, wherein the at least one perforation, score or combination thereof allows the sheet to be folded on a straight line along the at least one perforation, score or combination thereof. Sandpaper rolls and dispensers are also disclosed herein. In addition, multi-purpose sandpaper sheets and rolls are disclosed that include: at least four corners, a plurality of abrasive materials, a backing material, wherein the plurality of abrasive materials are affixed to the backing material; and at least one perforation, score or combination thereof, wherein the at least one perforation, score or combination thereof allows the sheet to be folded on a straight line along the at least one perforation, score or combination thereof.

We claim: 
     
         1 . A multi-purpose sandpaper sheet, comprising:
 at least four corners, wherein at least one of the at least four corners has a rounded or non-squared configuration,   a plurality of abrasive materials,   a backing material, wherein the plurality of abrasive materials are affixed to the backing material; and   at least one perforation, score or combination thereof, wherein the at least one perforation, score or combination thereof allows the sheet to be folded on a straight line along the at least one perforation, score or combination thereof.   
     
     
         2 . The multi-purpose sandpaper sheet of  claim 1 , wherein the backing material is waterproof. 
     
     
         3 . The multi-purpose sandpaper sheet of  claim 1 , wherein the sandpaper sheet is utilized for wet-sand applications. 
     
     
         4 . The multi-purpose sandpaper sheet of  claim 1 , wherein the sandpaper sheet is utilized for dry-sand applications. 
     
     
         5 . The multi-purpose sandpaper sheet of  claim 1 , comprising at least two corners not having a squared configuration. 
     
     
         6 . The multi-purpose sandpaper sheet of  claim 1  comprising at least four corners not having a squared configuration. 
     
     
         7 . The multi-purpose sandpaper sheet of  claim 1 , comprising at least eight corners, wherein four of the corners are adjacent to the at least one perforation, score or combination thereof. 
     
     
         8 . The multi-purpose sandpaper sheet of  claim 7 , wherein at least four of the corners comprise a rounded configuration. 
     
     
         9 . The multi-purpose sandpaper sheet of  claim 1 , comprising at least twelve corners and two perforations, scores or a combination thereof, wherein four corners are adjacent to each of the perforation, score or combination thereof. 
     
     
         10 . The multi-purpose sandpaper sheet of  claim 9 , wherein at least six of the corners comprise a rounded configuration. 
     
     
         11 . A roll comprising a plurality of multi-purpose sandpaper sheets coupled to one another, wherein each sheet comprises:
 at least four corners, wherein at least one of the at least four corners has a rounded or non-squared configuration,   a plurality of abrasive materials,   a backing material, wherein the plurality of abrasive materials are affixed to the backing material; and   at least one perforation, score or combination thereof, wherein the at least one perforation, score or combination thereof allows the sheet to be folded on a straight line along the at least one perforation, score or combination thereof.   
     
     
         12 . The roll of  claim 11 , wherein the plurality of sheets are connected to one another through a perforation, a score or a combination thereof. 
     
     
         13 . The roll of  claim 11 , wherein the plurality of sheets are coupled to one another in a partially overlapping formation or configuration. 
     
     
         14 . A sandpaper dispenser comprising a plurality of multi-purpose sandpaper sheets coupled to one another, wherein each sheet comprises:
 at least four corners, wherein at least one of the at least four corners has a rounded or non-squared configuration,   a plurality of abrasive materials,   a backing material, wherein the plurality of abrasive materials are affixed to the backing material; and   at least one perforation, score or combination thereof, wherein the at least one perforation, score or combination thereof allows the sheet to be folded on a straight line along the at least one perforation, score or combination thereof.   
     
     
         15 . The dispenser of  claim 14 , wherein the plurality of sheets are coupled to one another in a partially overlapping formation or tissue-box configuration. 
     
     
         16 . A multi-purpose sandpaper sheet, comprising:
 at least four corners,   a plurality of abrasive materials,   a backing material, wherein the plurality of abrasive materials are affixed to the backing material; and   at least one perforation, score or combination thereof, wherein the at least one perforation, score or combination thereof allows the sheet to be folded on a straight line along the at least one perforation, score or combination thereof.   
     
     
         17 . The multi-purpose sandpaper sheet of  claim 16 , wherein the backing material is waterproof. 
     
     
         18 . The multi-purpose sandpaper sheet of  claim 16 , wherein the sandpaper sheet is utilized for wet-sand applications. 
     
     
         19 . The multi-purpose sandpaper sheet of  claim 16 , wherein the sandpaper sheet is utilized for dry-sand applications.