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Disposable applicatorRelated Patent Categories: Brushing, Scrubbing, And General Cleaning, Implements, Tool Coated Or Impregnated With Material Supply, Including Means For Manual Manipulation Of ImplementDisposable applicator description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070130706, Disposable applicator. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] Presently, there is a need for a sanitary disposable applicator which can be used to apply a composition onto an exposed surface and then be discarded. One application for such a disposable applicator is when a mother wishes to apply an ointment or cream directly onto a baby's buttock for the treatment of a diaper rash. Up until now, the mother could apply the baby rash ointment or cream directly onto the baby's buttock using her fingers. However, this is messy especially when performed at a location away from proper washing facilities. In addition, it can be very difficult for a mother to evenly apply the ointment or cream over the affected area of the skin. An alternative is for the mother to apply the baby rash ointment or cream onto the inside surface of the infant's diaper. However, some mothers do not feel confident that a sufficient quantity of the ointment or cream will transfer to the baby's skin in the area where the diaper rash is present. Another application of a disposable applicator is for applying medication onto a sore or wound formed in a person's skin. Still other uses for disposable applicators are to apply a variety of different compositions, for example sunscreen, furniture polish, etc., onto exposed surfaces. The surfaces can be a human body, the skin of an animal or the surface of an inanimate object. [0002] Now a disposable applicator has been invented that can be used to transfer a composition, such as a skin care product, onto an exposed surface, for example, a baby's buttock. The disposable applicator can be discarded after a single use. SUMMARY OF THE INVENTION [0003] Briefly, this invention relates to a disposable applicator having a back sheet with an inner surface, an outer surface and a perimeter. The applicator also has a liquid permeable substrate having a first surface, a second surface and a perimeter. The first surface of the substrate is secured to the inner surface of the back sheet. A composition is applied to the liquid permeable substrate. The composition is capable of being transferred to an exposed surface by wiping the liquid permeable substrate against the exposed surface. The applicator further includes a seal formed on the inner surface of the back sheet. When the back sheet is folded upon itself, the seal extends completely around the perimeter of the substrate and protects the composition. BRIEF DESCRIPTION OF THE DRAWINGS [0004] FIG. 1 is a top view of a disposable applicator showing a liquid permeable substrate having a composition applied to it and being secured to a back sheet, and having a seal formed on the inner surface of the back sheet which at least partially surrounds the perimeter of the substrate. [0005] FIG. 2 is a right side view of the disposable applicator shown in FIG. 1. [0006] FIG. 3 is a plane view of the disposable applicator shown in FIG. 1 after the back sheet has been folded approximately at the transverse axis Y-Y. [0007] FIG. 4 is a cross-sectional view of FIG. 3 taken along line 4-4 showing a chamber formed within the seal. [0008] FIG. 5 is a bottom view of the disposable applicator shown in FIG. 1 depicting a finger pocket formed by folding the back sheet upon itself and having an advertisement appearing on an opposite portion of the back sheet. [0009] FIG. 6 is a cross-sectional view of FIG. 5 taken along line 6-6. [0010] FIG. 7 is a top view of an alternative embodiment of a disposable applicator showing an oval shaped, liquid permeable substrate having a composition applied to it and being secured to a back sheet, and having a seal formed completely around the perimeter of the substrate. [0011] FIG. 8 is a right side view of the disposable applicator shown in FIG. 7. [0012] FIG. 9 is a bottom view of the disposable applicator shown in FIG. 7 depicting a finger pocket formed by attaching a separate member to the outer surface of the back sheet. [0013] FIG. 10 is a plane view of the disposable applicator shown in FIGS. 7-9 after the back sheet has been folded approximately at the transverse axis Y-Y. [0014] FIG. 11 is a top view of a disposable applicator having a diamond configuration. [0015] FIG. 12 is a top view of the disposable applicator shown in FIG. 11 after it has been folded along the transverse axis Y-Y. DETAILED DESCRIPTION [0016] Referring to FIGS. 1 and 2, a disposable applicator 10 is shown having a longitudinal axis X-X, a transverse axis Y-Y, and a vertical axis Z-Z. The disposable applicator 10 includes a back sheet 12 having an inner surface 14 and an outer surface 16. The back sheet 12 also has a perimeter 18. Desirably, the back sheet 12 is liquid-impermeable. By "liquid-impermeable" it is meant that a fluid or liquid can not pass therethrough. More desirably, the back sheet 12 is moisture-impermeable. By "moisture-impermeable" it is meant that moisture can not pass therethrough. Even more desirably, the back sheet 12 is vapor-impermeable. By "vapor-impermeable" it is meant that a vapor, gas or air can not pass through. A vapor is a gaseous state of a substance that is a liquid or solid under ordinary conditions. Air is a colorless, odorless, tasteless gaseous mixture, mainly nitrogen (approximately 78%) and oxygen (approximately 21%) with lesser amounts of argon, carbon dioxide, neon, helium, and other gases. [0017] The back sheet 12 can be formed from a variety of materials, including natural and/or synthetic materials. Desirably, the back sheet 12 is a film, although a nonwoven material, a woven material or a combination of materials can be used. The back sheet 12 can be a film formed from a polyolefin, such as polyethylene or polypropylene. The back sheet 12 can also be formed from some other thermoplastic film or be a laminate of two or more layers wherein at least one layer is a barrier layer. As used herein, the term "laminate" refers to a composite structure of two or more material layers that have been adhered or otherwise bonded together, such as through adhesive bonding, thermal bonding, point bonding, pressure bonding, extrusion coating, ultrasonic bonding or by some other bonding technique known to those skilled in the art. [0018] The back sheet 12 can include one or more barrier layers that can be in the form of a film layer. Furthermore, the back sheet 12 can be formed of a metallized material, such as a metal foil. A metal is any of a category of electropositive elements that are usually whitish, lustrous, and, in the transition metals, typically ductile and malleable with high tensile strength. A common example would be a thin sheet of aluminum. Specific examples of certain materials that work well include: a low density polyethylene (LDPE), such as a LDPE/SURLYN film, and metallized polyethylene terephthalate (MPET) which is a metallized film laminate. SURLYN is a registered trademark of E.I. Du Pont De Nemours and Company, having an office at 1007 Market Street, Wilmington, Del. 19898. These and other materials known to those skilled in the art can be used to form the back sheet 12. [0019] The outer surface 16 of the back sheet 12 can also be made or constructed to have a rough or coarse texture or to have a grainy, fibrous or abrasive surface. This rough texture is the opposite of a smooth, slick or flat surface, as serves to limit slipping when the disposable applicator 10 is held within one's hand or between a person's thumb and one or more of their fingers. The method of using the disposable applicator 10 will be explained later. [0020] Referring to FIG. 2, the back sheet 12 has a thickness "t" that is relatively thin. The thickness "t" of the back sheet 12 can be less than about 3 millimeters. Desirably, the thickness "t" of the back sheet 12 can be less than about 1.0 millimeter. Most desirably, the thickness "t" of the back sheet 12 can be less than about 0.1 millimeters. The backsheet 12 should also be flexible and have a soft feel to the hand. The back sheet 12 can be colored or have no color. A white color normally conveys a clean and sanitary appearance and is desirable for a disposable applicator 10 that is designed to come in contact with the human skin. The back sheet 12 can be printed using any number of techniques known to those skilled in the art. Continue reading about Disposable applicator... Full patent description for Disposable applicator Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Disposable applicator patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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