| Two-sided applicator with reactive or complementary chemistries -> Monitor Keywords |
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Two-sided applicator with reactive or complementary chemistriesRelated Patent Categories: Coating Implements With Material Supply, With Means To Attach Or Conform To Body Of User, Hand-or Finger-receiving PocketTwo-sided applicator with reactive or complementary chemistries description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070134045, Two-sided applicator with reactive or complementary chemistries. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] As consumers become more sophisticated, they look for new cleaning products to make their lives easier. While certain combinations of substances may provide a benefit, they may not be conveniently available to consumers in a usable form because they are reactive with each other in storage. Therefore there is a need for a product form that allows novel cleaning substances to be safely and reliably provided to the consumer. SUMMARY OF THE INVENTION [0002] It has now been discovered that certain reactive substances may be provided in a single wiping product that provides unique cleaning or cleaning-related benefits. [0003] The invention disclosed herein solves the problem of complicated reactive chemistries by providing an applicator for applying a substance, the applicator including an application side and an opposed reactive side, the application side including an application substance and the reactive side including a reaction substance, wherein the application and reaction substances react with each other when the application and reactive sides of the applicator are sequentially wiped on a target surface. [0004] The present invention also provides an applicator for applying a substance, the applicator including an application side and an opposed reactive side, the application side including an application substance and the reactive side including a reaction substance, wherein the application substance is deposited on a target surface, and wherein the reaction substance supplements the action of the application substance when the application and reactive sides of the applicator are sequentially wiped on the target surface. [0005] The present invention also provides an applicator for applying a substance, the applicator including an application side and an opposed reactive side, the application side including an application substance and the reactive side including a reaction substance, wherein the application and reaction substances are deposited on a target surface when the application and reactive sides of the applicator are sequentially wiped on the target surface. [0006] The present invention also provides a method for treating a target surface, the method including contacting the target surface with an application side of an applicator including an application substance, whereby the application substance is deposited onto the target surface; and thereafter contacting the target surface with a reactive side of the applicator including a reaction substance, whereby the reaction substance reacts with the application substance. BRIEF DESCRIPTION OF THE DRAWINGS [0007] FIG. 1 is a schematic view of an applicator according to the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0008] As used herein, the term "applicator" means any flexible structure adapted to be used in conjunction with a hand or a tool to clean a surface, or to apply or remove a substance from a surface. Advantageously, the structure may be generally flat and have distinct opposing sides. A chemical or other substance may be included with the applicator. The applicator may take the form of a mitt, a wipe, a tool cover, or any other suitable form. The portions of the structure including the different substances may be provided with visual indicia, such as color coding, to provide the user with guidance for proper hand placement, or to determine in what order the sides are to be used. [0009] As used herein, the term "mitt-like" means an applicator adapted to receive and fully or partially enclose a person's hand or a tool when the structure is being used. It may or may not have a separate opening other accommodation for a thumb and/or one or more fingers for stability or control during use. However, the structure may also be generally cylindrical, somewhat like a sock, such that the opposing sides result from the position of the user's hand within. In such a case, the portion of the structure contacting the palm of the hand becomes one side of the mitt-like applicator and the portion of the structure contacting the back of the hand becomes the opposing side. The mitt-like applicator can be sized to fit over one or multiple fingers. [0010] As used herein, the term "wipe" means an applicator adapted to be held by a user or a tool but that is not adapted to receive and fully or partially enclose a person's hand when the structure is being used. [0011] As used herein, the term "sequentially wiped" means one side of the applicator contacts a target surface and thereafter the other side of the applicator contacts the same target surface with sufficient pressure, friction, movement, or other mechanism to cause reactive substances from both sides of the applicator to mix and in some cases react with each other. Most typically, each time a target surface is wiped with the applicator, the reactive substance associated with the side of the applicator in contact with the target surface is transferred to the target surface being wiped. [0012] As used herein, the terms "target surface" and "surface" refer to the surface upon which the applicator is acting and treating. The term "surface" and its plural generally refer herein to the outer or the topmost boundary of an object. Surface may refer to that of skin, hair, fur, clothing, upholstery, countertops, floors, walls, windows, tables, appliances, bathroom fixtures, automobiles, or any other object that may require or accommodate bathing, cleaning, removing something from, or applying something to its surface. The term is used to distinguish from and avoid confusion with references to the various surfaces of the applicator. [0013] FIG. 1 illustrates an applicator 10 in accordance with the present invention. A mitt-like applicator is used herein as a non-limiting example of the applicator 10 of the present invention. In other aspects of the present invention, the applicator 10 may be a wipe, a pad, a tool cover, or any other suitable form. More specifically, the mitt-like applicator 10 is shown including an application side 15 and an opposed reactive side 20. [0014] The applicator 10 includes an application side 15. The application side 15 may be of any suitable shape, but is preferably generally planar and is further preferably generally rectangular or oblong. The application side 15 has a perimetric edge 25 extending around the application side 15. In one aspect of the present invention, the application side 15 is generally the size of a human hand held flat on a surface. In another aspect of the present invention, the application side 15 is generally the size of the four fingers of a human hand. In still another aspect of the present invention, the application side 15 is generally the size of a human finger. The applicator 10 may be manufactured in any shape or of any dimensions, including as a pad or wipe sized to fit best in a child's hand, an adult hand, or on any cleaning implement. In general, the application side 15 may be of any suitable size, with the size preferably selected to be suitable for the intended use of the applicator 10. In other aspects of the present invention, the applicator 10 may be manufactured into other shapes such as a mitt or square or round pads or mitts, etc. In another aspect of the present invention, the application side 15 may be pleated, layered, or of any other suitable structure if additional surface area or liquid holding capacity is desired. [0015] The application side 15 includes a base sheet. Suitable materials for making the application side base sheet include non-woven synthetic fibrous webs, such as meltblown, spun-bond, coform, cellulosic webs, woven webs, and any other suitable material. Plastic film or other suitable materials may be used to form one or more barrier layers on the inside of the applicator 10 to prevent premature contact between substances or to protect the user's hand from contact with substances during use. The application side 15 may be a stretch-bonded laminate (SBL) with pre-stretched elastic filament and meltblown material with one ply of spunbond material on each outer surface and a basis weight of approximately 70 gsm, but any suitable absorbent material may be used. SBL and other composite nonwoven elastic webs are further described in U.S. Pat. No. 4,657,802 to Morman. In one aspect of the present invention, the application side 15 includes a dry embossed 110 grams per square meter (gsm) coform laminate available from Kimberly-Clark Corporation. In other aspects of the present invention, the application side 15 may include any suitable nonwoven or woven materials or polymer sheeting of any suitable basis weight, and may be constructed from or may include an absorbent material. The material of the application side 15 may act to protect a user's hand from contacting the target surface. [0016] The applicator 10 also includes an opposed reactive side 20. The reactive side 20 is preferably of the same general size and shape of the application side 15, although the size and/or shape of the reactive side 20 may be selected to be different from the size and/or shape of the application side 15 based on the intended use of the applicator 10. The reactive side 20 has a perimetric edge 30 extending around the perimeter of the reactive side 20. The reactive side 20 may be manufactured from the same material as the application side 15, or from a different material. In another aspect of the present invention, the reactive side 20 may be pleated, layered, or of any other suitable structure if additional surface area or liquid holding capacity is desired. [0017] In another aspect of the present invention, one or both of the application and reactive sides 15, 20 may be breathable to allow air to circulate through the applicator 10. [0018] The application side 15 is coupled to the reactive side 20. One of the application and reactive sides 15, 20 is positioned to overlie the other of the application and reactive sides 15, 20, such that the perimetric edges 25, 30 of the application and reactive sides 15, 20 generally align. A portion of the perimetric edge 25 of the application side 15 is attached to the perimetric edge 30 of the reactive side 20 to form a seam 35. The seam 35 formed may be at the perimetric edges 25, 30, or the seam 35 may be adjacent or inward from the perimetric edges 25, 30. The perimetric edges 25, 30 may be attached by adhesive, ultrasonic bonding, heating, sewing, or by any other suitable method. The seam 35 around the periphery not only connects the application side 15 and the reactive side 20, but also prevents the substance(s) in one side from migrating to the other side, particularly if the substances in one or both sides are liquid or are in solution. [0019] In another aspect of the present invention, the applicator 10 may be formed as a seamless tube with adequate physical separation forming a sufficient barrier between the substances. In a related aspect, patches of base material may be coupled to the applicator 10, where each patch includes a substance. [0020] Coupling the application side 15 to the reactive side 20 forms the applicator 10 with a bag-like structure having an outer surface 40 and an interior space 45 with an applicator opening 50. The applicator 10 may be formed such that the interior space 45 is sized to accommodate a human hand, a portion of a human hand, a bathing tool, or any other suitable item. Because of this bag-like design, the applicator 10 may be turned inside-out by a user such that the previous interior space 45 becomes the new outer surface, and the previous outer surface 40 becomes and defines the new interior space. In turning the applicator 10 inside-out, any dirt or other substances captured on the previous outer surface 40 of the applicator 10 becomes captured within the new interior space of the applicator 10. Continue reading about Two-sided applicator with reactive or complementary chemistries... 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