Textured composite cleaning device

Abstract

A multi-material composite, the materials being positioned at raised regions ( 120/220/320/420 ) and recessed regions ( 130/230/330/430 ) on the working surface ( 110/210/310,315/410 ), provides a cleaning device ( 100/200/300/400 ) with both scouring and wiping on a single surface. By recessing certain material (s) from the working surface, the user can control, with pressure, the extent to which the recessed region makes contact with a surface to be cleaned ( 170/270 ). The composite may have at least a first substrate ( 140/240/340/440 ) that is a compressible material, and a second substrate ( 150/250/350/450 ) that is a compressible material.

1 - 20 . (canceled) 
     
     
         21 . A cleaning device comprising:
 a composite having at least a first substrate that is a compressible material and a second substrate that is a compressible material;   wherein the composite includes a working surface including a plurality of recessed regions and a plurality of raised regions;   wherein at least a portion of the first substrate is exposed at the recessed regions of the working surface;   wherein at least a portion of the second substrate is exposed at the raised regions of the working surface.   
     
     
         22 . The cleaning device of  claim 21 , wherein the first substrate requires a higher force to compress than the second substrate. 
     
     
         23 . The cleaning device of  claim 21 , wherein the first substrate is a nonwoven scouring web and the second substrate is a foam. 
     
     
         24 . The cleaning device of  claim 21 , wherein the second substrate requires a higher force to compress than the first substrate. 
     
     
         25 . The cleaning device of  claim 21 , wherein the first substrate is a foam and the second substrate is a nonwoven scouring web. 
     
     
         26 . The cleaning device of  claim 21 , wherein the second substrate comprises a plurality of discrete fiber clusters embedded throughout the first substrate, wherein each fiber cluster comprises a matrix of interconnected fibers. 
     
     
         27 . The cleaning device of  claim 21 , wherein an uppermost portion of the raised region is entirely the second substrate and the lowermost portion of the recessed region is entirely the first substrate. 
     
     
         28 . The cleaning device of  claim 21 , wherein the second substrate is exposed in a middle portion of the raised region. 
     
     
         29 . The cleaning device of  claim 21 , wherein the entire raised region comprises the second substrate. 
     
     
         30 . The cleaning device of  claim 21 , wherein the raised regions have a concavely curved surface and the recessed regions having a convexly curved surface. 
     
     
         31 . The cleaning device of  claim 21 , wherein the raised regions are discrete and separated from one another by recessed regions. 
     
     
         32 . The cleaning device of  claim 21 , wherein the recessed regions are discrete and separated from one another by raised regions. 
     
     
         33 . The cleaning device of  claim 21 , wherein the working surface comprises a plurality of discrete raised regions each extending from one edge of the cleaning device to another edge of the cleaning device and separated from one another by a recessed region extending from one edge of the cleaning device to another edge of the cleaning device. 
     
     
         34 . The cleaning device of  claim 21 , wherein a first row of raised regions and recessed regions is offset from an adjacent second row of raised regions and recessed regions. 
     
     
         35 . A cleaning device comprising:
 a working surface having a plurality of raised regions each having a convexly curved surface and a plurality of recessed regions each having a concavely curved surface;   wherein a base layer forms the recessed regions;   wherein a top layer forms an upper portion of the raised regions;   wherein a third layer, between the base layer and top layer, forms a middle portion of the raised regions.   
     
     
         36 . The cleaning device of  claim 35 , wherein the base layer and the top layer are foams, and the third layer is a nonwoven scouring web. 
     
     
         37 . The cleaning device of  claim 35 , wherein the base layer and the top layer are nonwoven scouring webs, and the third layer is a foam. 
     
     
         38 . A cleaning device comprising:
 a sponge body with a plurality of discrete fiber clusters embedded within the sponge body, wherein each fiber cluster comprises a matrix of interconnected fibers, and wherein a working surface of the sponge body has a plurality of raised regions each having a convexly curved surface and a plurality of recessed regions each having a concavely curved surface.