Cleansing pad with a scouring portion and a scrubbing portion and production method thereof

Abstract

The present invention discloses a flexible cleansing pad with a scouring portion and a scrubbing portion that are characterized by all three parameters (i) hygienic and does not allow pathogen growth; (ii) an effective and easy cookware cleansing with water and soap, and (iii) undamaging the cookware, e.g., burnt pens and pots. The present invention also discloses methods of the production of the same.

1 .- 24 . (canceled) 
     
     
         25 . A cleansing pad for use in both scouring and scrubbing, made of a flexible first non-porous polymeric material, characterized by at least one first portion made of said first material and characterized by a respectively low abrasivity, said portion is having elongated bristles-like flexible protrusions hence configured for scrubbing; integrated with said at least one first portion, at least one second portion made of said first material, incorporating a second water-sealed less flexible non-porous moldable material comprising inorganic matter of respectively high abrasivity hence configured for scouring. 
     
     
         26 . The cleansing pad of  claim 25 , wherein at least one of the following is being held true: (a) said at least one first portion is characterized by a low to moderate relative dentin abrasivity (RDA) ranging in a scale of about 10 to about 100 according to DIN EN ISO 11609; (b) said at least one first portion is characterized by low hardness ranging between 40 and 50 shore A; and (c) at least one second portion is characterized by higher hardness ranging between 50 and 85 shore A. 
     
     
         27 . The cleansing pad of  claim 25 , wherein RDA said at least one second portion to said first portion ratio is ranging between 3:1 to 1.5:1; 10:1 to 3:1; and 100:1 to 1 
     
     
         28 . The cleansing pad of  claim 25 , wherein said bristle-like member comprising a stem interconnected with said pad and a tip, said tip is shaped in a manner selected from either concave or convex tip, flat-hat like tip, a tip with multiple forked or splintered heads, ball-like shape, coil-like tip, either smooth or texturized tip, sharp edge tip, or any combination thereof. 
     
     
         29 . The cleansing pad of  claim 25 , wherein at least one surface of said bristle-like member is characterized by (i) low to moderate, (ii) moderate to high or (iii) high to very high value of the RDA scale. 
     
     
         30 . The cleansing pad of  claim 25 , wherein said at least one second abrasive portion containing, incorporated with, attached to, implant, provided with to a slow release mechanism, reversibly affixed to, socked with, inorganic fillers, biocides, disinfectants and antiseptic agents, including organic composition such as chlorohexidine and inorganic components including zinc, silver and oxides and salts thereof, colorants, deodorants and small agents, odorants, UV blockers, primers and binding polymers and copolymers, enzymes, water softening salts, lubricants, de-emulsifiers, and any combination thereof. 
     
     
         31 . The cleansing pad of  claim 25 , wherein said first material selected from a group consisting of polymeric elastomers, rubber, silicone, latex and a combination thereof. 
     
     
         32 . The cleansing pad of  claim 31 , wherein said elastomer is selected from one or more members of a group consisting of unsaturated rubbers, including natural polyisoprene, cis-1,4-polyisoprene natural rubber and trans-1,4-polyisoprene gutta-percha, synthetic polyisoprene, chloroprene rubber, poly vinyl chloride, polychloroprene, including commercially available Neoprene trademark and Baypren trademark products, butyl rubber and any other copolymer of isobutylene and isoprene, halogenated butyl rubbers, including chloro butyl rubber; bromo butyl rubber, styrene-butadiene rubber, nitrile rubber and any other copolymer of butadiene and acrylonitrile, hydrogenated nitrile rubbers such as commercially available Therban trademark and Zetpol trademark products; saturated rubbers including ethylene propylene rubber, ethylene propylene diene rubber, a terpolymer of ethylene, propylene and a diene-component, epichlorohydrin rubber, polyacrylic rubber, silicone rubber, fluorosilicone rubber, fluoroelastomers such as commercially available Viton trademark, Tecnoflon trademark, Fluorel trademark, Aflas trademark and Dai-El trademark products, perfluoroelastomers such as commercially available Tecnoflon trademark, Kalrez trademark trademark, Chemraz trademark and Perlast trademark products, polyether block amides, chlorosulfonated polyethylene such as commercially available Hypalon product, ethylene-vinyl acetate; polysulfide rubber and elastolefin, elastic fiber used in fabrics production and any combination thereof. 
     
     
         33 . A water sealed cleansing pad of  claim 25 , wherein said first material is nonporous. 
     
     
         34 . The cleansing pad of  claim 25 , wherein said second material comprising abrasive particles selected from a group consisting of silicon carbide, aluminum oxide, granite powder, alumina-zirconia, alumina silica like commercially available Duramul trademark Product by Washimgton Mills (US), spinel, sulfur cake, iron pyrite, coated abrasive, manganese dichloride, fused Mullite, silica fume, boron carbide, chrome-alumina, sodium hexafluoroaluminate (Na 3 AlF 6 ) Cryolite powder, potassium fluoroborate (KBF 4 ), Magnesia-Chrome, commercially available Stoneblast trademark product by Norton Company (US), commercially available BFA dark Alundum trademark, Duralum trademark, Duralum trademark, Emerundum trademark by Washington Mills (US), commercially available Staurolite by Dupont (US), organic materials, including ground olive stones, shell nuts (whole nut), and any combination thereof. 
     
     
         35 . The cleansing pad of  claim 25 , wherein said at least one first portion made of elastomer selected from rubber, silicon and latex, characterized by low to moderate relative dentin abrasivity (RDA) ranging in a scale of about 10 to about 100 according to DIN EN ISO 11609, said portion is having elongated bristles-like protrusions hence configured for scrubbing; integrated with said at least one first portion, at least one second portion made of elastomer selected from rubber, silicon and latex, incorporating silicon carbide, aluminum oxide, Granite powder or the like characterized by moderate to high or moderate to very high RDA ranging in a scale of about 100 to about 250 hence configured for scouring. 
     
     
         36 . The cleansing pad of  claim 25 , wherein said at least one first portion is sharing the same plane with said at least one second portion. 
     
     
         37 . The cleansing pad of  claim 25 , wherein said at least one first portion is not sharing a same plane with said at least one second portion. 
     
     
         38 . The cleansing pad of  claim 25 , wherein said at least one first portion is laying on an opposite plane in respect to said at least second portion. 
     
     
         39 . The cleansing pad of  claim 25 , wherein said cleansing pad is selected from a group consisting of sink pad, scraping member, dish washing sponge, brushes, mops, cleansing sponge, scouring cloths, cleaning cloth, copper-cleaning means, kitchen cookware and service-ware, toilet and shower-room cleans-ware, garden and garage cleansing-ware and personal cleansing-ware. 
     
     
         40 . The cleansing pad of  claim 25 , wherein said pad further comprising at least one sucker (vacuum nipple). 
     
     
         41 . The cleansing pad of  claim 25 , wherein said sucker is provided substantially perpendicular to pad's main plane. 
     
     
         42 . The cleansing pad of  claim 25 , characterized by a shape selected from a group consisting of substantially 2D flat member with one main plane where length and width are much greater than its high; a rectangular, circular or a 2D shape of a known article of manufacture; a 3D member substantially having a cube-like shape, a ball-like shape, or a shape of a known article of manufacture. 
     
     
         43 . The multilayered cleansing pad of  claim 42 , wherein a void volume is provided between said at least one first (top) layer and said least one second (bottom) layer; and further wherein said volume is configure to at least temporarily accommodate at least one of the following; a cleansing means and user-hand. 
     
     
         44 . A method of producing a cleansing pad, said method characterized by:
 a. on first surface, multi-cavity compression-molding of at least one scouring portion ( 34 ) so that at least one first shape (positive,  35 ) is obtained;   b. removing access ( 36 ) material around said positive ( 35 ) so a shape ( 37 ) is provided;   c. compression-molding at least one portion made of at least one first high-abrasive low-flexible material to at least one second shape that comprising thick bristles-like protrusions ( 39 );   d. on second opposite surface, compression molding at least one scrubbing portion ( 38 ) made of at least one material to at least one second shape that comprising thin low-abrasive high-flexible bristles-like protrusions ( 39 ), thereby implanting said positive scouring portion with said first material  38 ;
 steps (c) and (d) are manufactured together in a single molding step (a); and optionally, providing a sucker ( 40 A) perpendicular to pad ( 38 ) and optionally providing a hanging hole ( 40 B).