US20070180632A1 - Composite footwear insole - Google Patents
Composite footwear insole Download PDFInfo
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- US20070180632A1 US20070180632A1 US11/697,046 US69704607A US2007180632A1 US 20070180632 A1 US20070180632 A1 US 20070180632A1 US 69704607 A US69704607 A US 69704607A US 2007180632 A1 US2007180632 A1 US 2007180632A1
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- Prior art keywords
- insole
- sections
- section
- bottom layer
- top side
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Classifications
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
- A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B1/00—Footwear characterised by the material
- A43B1/0054—Footwear characterised by the material provided with magnets, magnetic parts or magnetic substances
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B1/00—Footwear characterised by the material
- A43B1/0081—Footwear characterised by the material made at least partially of hook-and-loop type material
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/16—Pieced soles
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/24—Collapsible or convertible
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/24—Collapsible or convertible
- A43B3/246—Collapsible or convertible characterised by the sole
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
- A43B7/1455—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties
- A43B7/146—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties provided with acupressure points or means for foot massage
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
- A43B7/1455—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties
- A43B7/1464—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties with adjustable pads to allow custom fit
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
- A43B7/1455—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties
- A43B7/147—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties for sick or disabled persons, e.g. persons having osteoarthritis or diabetes
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D999/00—Subject matter not provided for in other groups of this subclass
Definitions
- the composite footwear insole disclosed, shown, and claimed in this document pertains generally to footwear. More particularly, the new and useful composite footwear insole provides an insole that relieves pain suffered by footwear users whose footwear does not include the composite footwear insole disclosed, shown, and claimed in this document.
- Diabetes mellitus is a chronic disease that affects the lives of millions of people in the United States and around the World. Many diabetics develop a serious foot conditions at some time during their lives, which in some cases require toe amputations or even amputations of the entire foot. High blood sugar levels also affect the body's immune system and delays wound healing.
- Neuropathy is an impairment that affects about half of those with diabetes. It causes loss of feeling in feet, which increases the risk of undetected injury. Diabetics suffering from neuropathy can unknowingly develop minor cuts or scrapes, blisters, or pressure sores due to the feeling insensitivity. If such minor injuries are left untreated or fail to heal, complications may lead to ulceration, infection, and gangrene. In fact, diabetic foot complications are the most common cause of non-traumatic lower extremity amputations in the United States. The risk of lower extremity amputation has been estimated to be about 15 to 46 times higher in diabetics than in non-diabetics. Importantly, the majority of diabetic foot complications begin with the formation of skin ulcers on the bottom of the foot.
- Custom orthopedic foot wear for diabetics often has a relatively rigid, but resilient base comprising a heel portion and an arch portion contoured to fit the plantar, or bottom surface, of a foot.
- most customized prescription orthopedic footwear and/or footwear devices for diabetics require the preparation of molds for the feet that in turn require subsequent manufacturing of footwear and/or devices causing significant delay between the measuring of feet for an orthopedic shoe or device, and the arrival of the new customized device such as insoles as well as footwear.
- the custom insoles are generally created from hard plastics by making a mold based on detailed foot measurements. The mold is modified to provide prescribed corrections by a podiatrist. Custom orthopedic footwear may also be unattractive. The resulting footwear will not be as versatile as insoles insertable within ordinary shoes and other footwear.
- Conventional footwear inserts or soles consist of materials such as rigid plastic and/or elastomeric foam with an impact cushioning foam layer or space filler. They provide insufficient foot protection and/or do not address the different needs of the various areas of the foot, which can be unique to wearers. Such insoles often do not provide enough protection or support for proper biomechanical functions of a foot, particularly in the rear foot area, and in the arch areas of a foot. Conventional insoles typically do not hold a wearer's heel in place or provide arch support, or allow movement of the foot such as in the toe area that allows toes to slide and move. Thus, conventional inserts and soles are often ineffective in preventing or alleviating foot conditions experienced by diabetics and other persons with foot problems.
- the composite footwear insole has sections that are for a variety of foot shapes and that can be customized for a variety of wearers and wear requirements. One or more of the sections may have different cushioning and/or surface characteristics.
- FIG. 1 is a top side view of an insole of this invention for the left foot in an assembled state
- FIG. 1A is a view of an insole of FIG. 1 showing the undersides of the sections;
- FIG. 2 is a bottom view of the bottom layer of the insole of FIG. 1 ;
- FIG. 2A shows the top side of the bottom layer of the FIG. 2 ;
- FIG. 3 is a right side view of an insole for the left foot, with the sections of the insole unassembled, but in their respective positions;
- FIG. 3A is a left side view of the insole of FIG. 3 , with the sections of the insole in their respective positions, unassembled;
- FIG. 4 is a right side view of the insole of FIGS. 3-3A in an assembled state
- FIG. 4A is a left side view of the of the insole of FIG. 4 in use in footwear;
- FIG. 4B is a right side view of the insole of FIG. 4 in use in footwear;
- FIG. 5 is a top view of insole sections for a right foot in a disassembled state like that of FIGS. 3, 3A , and 4 ;
- FIG. 5A is an underside view of the sections of FIG. 5 in a disassembled state
- FIG. 6 is a bottom view of the bottom layer of FIG. 6A with the insole sections of FIGS. 5 and 5 A in an assembled state like FIGS. 1, 4 ;
- FIG. 6A is the top view of the bottom layer of FIG. 6 before the sections of FIGS. 5-5A are attached thereto;
- FIGS. 7A-7G show a kit for making a right sided and left sided insole that is comprised of toe sections, metatarsal sections, base sections, arch sections, heel sections, and bottom insole layers;
- FIGS. 7A and 7B show an assortment of insole sections for a left foot insole
- FIG. 7C shows the top view of an embodiment of a bottom insole layer for a left foot insole
- FIG. 7D shows the top view of an embodiment of a bottom insole layer for a right foot insole
- FIGS. 7E and 7F show an assortment of insole sections for a right foot insole
- FIG. 7G shows an embodiment of the underside of the insole sections for a left foot.
- FIGS. 1 through ⁇ shows at least one embodiment that is not intended to be exclusive, but merely illustrative of the disclosed embodiments.
- Composite footwear insole 2 disclosed, illustrated, and claimed in this document includes multiple pieces or sections that can be made from a variety of materials and/or sections that can have different surface characteristics.
- the composite footwear insole is versatile, and can be constructed in a fraction of the time in comparison to conventional custom or special-fit insoles.
- certain sections can be switched with other counterpart sections that can be made from a spectrum of different materials having different hardnesses and/or different surfaces.
- the insole sections can be comprised of cushioning materials or rigid materials to lend support, and those in between.
- the surface type can also vary based upon type and location of the sections. For example, certain enable the toes to move and slide, to surface types that are gripping to prevent sliding of portions of the foot, such as the heel. The ability to slide and move the toes of the foot may also enhance circulation in the foot.
- FIG. 1 shows a top side view 5 of a composite footwear insole 2 of this invention for the left foot with the insole sections in their respective positions and in an assembled state, with at least one medial edge shaped to fit together with a medial edge of an adjacent section.
- FIG. 1A shows the undersides 19 , 26 , 32 , 38 , respectively, of the toe sections 18 , metatarsal section 24 , base section 30 , arch section 36 , and heel section 42 of FIG. 1 .
- FIG. 2 shows the bottom view 8 of the bottom layer 4 of the insole of FIG. 1 .
- FIG. 2A shows the top side 6 of the bottom layer 4 of FIG. 2 , and the attachment members 12 on the top side 6 of the bottom layer 4 . As shown in FIGS.
- the composite footwear insole has a bottom layer 4 having a top side 6 and a bottom side 8 , and includes a plurality of sections 10 .
- the toe section 18 Beginning at the anterior-most end 1 of the composite footwear insole 2 of FIG. 1 is a toe section 18 , having a top surface 20 .
- the toe section 18 Moving toward the posterior end of the composite footwear insole 2 , the toe section 18 has a medial edge 21 that in an embodiment is irregular and is waved.
- the pattern or design of the respective edge of the adjacent piece, here the medial edge 21 of the toe section 18 is of a shape complimentary to the medial edge 27 a of the metatarsal section 24 , which has a top side 25 .
- the longitudinal arch section 36 is shaped so as to extend into the metatarsal section 24 of the composite footwear insole 2 .
- FIG. 1 shows a left insole for a left foot.
- the right insole for the right foot would be a mirror image of the left foot insole of FIG. 1 .
- the sections of the composite footwear insole 2 disclosed, illustrated, and claimed in this document are usually of different sizes and of different shapes and can vary in thicknesses, depths, and/or elevations.
- Each composite footwear insole section can be comprised of one or more of material types and can be a variety of thicknesses from a few millimeters to a few centimeters.
- the sections of composite footwear insole 2 disclosed, illustrated, and claimed in this document can be securably attached to a bottom layer, removably attachable to a bottom layer, or alternatively, integral with the bottom layer.
- the composite footwear insole can be designed so that any section can be integral with the bottom layer.
- FIGS. 7A-7G also show a kit for making the composite footwear insole.
- the composite footwear insole sections can be comprised of one or more layers of material.
- one or more of the composite footwear insole sections have semi-rigid or rigid support members underneath or molded within the insole section.
- a section can be constructed from one type of material, and may have a covering layer on the top surface comprised of another material.
- a variety of materials can be used as a top covering layer for the composite footwear insole sections. If a top layer is used, it can have a variety of thicknesses of material from a few millimeters to less than about 1 to 1.5 centimeters.
- the top layer can have a variety of surface characteristics and be made of synthetic and/or natural materials such as silk, fur, felt, satin, leather, polyester, cloth or sheeting, as well as foam, rubber, plastic materials, and any other materials known to one skilled in the art that are suitable for insoles and insole coverings.
- the assembled composite footwear insole 2 is generally foot-shaped and/or has the approximate shape of the inside perimeter of the bed 7 of conventional footwear or shoes. See e.g. FIGS. 1, 2 , 4 , 4 A, 4 B, and 6 .
- the composite footwear insole 2 is formed of a plurality of sections 10 that are integral with the composite footwear insole 2 or that are removably attachable or securably attachable to at least a portion of the top side 6 of the bottom layer 4 of the insole 2 .
- the sections are comprised essentially of a longitudinal arch section 36 , a heel section 42 , a toe section 18 , a metatarsal section 24 , a base section 30 , or any combination thereof.
- the various insole sections fit together similar to puzzle pieces to form an composite footwear insole 2 .
- the sections have medial edges that fit together with the medial edge of at least one other section in a puzzle-like manner.
- edges between the pieces can be straight 50 as those between the toe section 18 of FIG. 5 and the heel in FIG. 1 , or curved as in the medial edge 39 of the longitudinal arch section 36 and medial edge 33 c of the base piece 30 in FIGS. 1,5 .
- the edges of the insole in the weight bearing areas are preferably irregular so that the wearer does not feel a seam or separation between the sections.
- the edges can be wave shaped or shaped like a repeating “w”, “u”, or “v”, or any combination of the foregoing. As shown in FIG.
- the toe section 18 adjacent to the metatarsal section 24 has edges that are wave-shaped edge 58 and wave-shape medial edge 27 of the metatarsal piece 24 adjacent to toe section 18 and is irregular in a corresponding wave-shaped edge 58 .
- the medial edge 33 of the base piece 30 adjacent to the heel piece 42 is wave-shaped edge 58 and the medial edge 40 of the heel piece 42 adjacent to the base piece 30 is irregular and wave-shaped edge 58 in a corresponding shape.
- a medial edge is the edge of the insole sections that is adjacent to at least one other section and interfaces with another insole section. Also as shown in FIG. 1 , some edges between some pieces are straight, while the edges between other pieces are irregular.
- attachment members including adhesives, glue, magnets, a wedge and aperture connection, studs, snaps, hook and loop fasteners such as Velcro® and other hook and loop fasteners, hook and eye fasteners, and other means or materials known to one skilled in the art for removably attaching materials to each other.
- the attachment members 12 are located on the top side 6 of the bottom layer 4 and on the underside 11 of such plurality of sections 10 . In the composite footwear insole 2 embodiments of FIGS.
- the attachment members 12 comprise hook components 14 and counterpart loop components 16 like those found in Velcro® and similar materials.
- the Velcro®-type attachment members are secured to the sections and bottom layer by adhesives and/or stitching.
- the hook components 14 can be attached to the top side 6 of the bottom layer 4 and the counterpart loop components 16 can be attached to the underside 11 of the removable plurality of sections 10 or similarly, the hook components 14 can be attached to the underside 11 of the removable plurality of sections 10 and the counterpart loop components 16 can be attached to the top side 6 of the bottom layer 4 .
- Velcro-compatible continuous-loop fabrics can be used for the loop counterparts such as nylon which is available under the trade designation “Tricot.”
- the hook components 14 and counterpart loop components 16 can cover the entire surface of the plurality of sections 10 and bottom layer 4 , see e.g. FIG. 7G or instead, a portion thereof, see e.g. FIGS. 2, 7G .
- the plurality of sections 10 can be securably attached to the bottom layer 4 , they can be integral or part of the bottom layer 4 such as though molding, or attached by adhesives, heat bonding glue, and/or stitching, or other ways known to one skilled in the art.
- the bottom layer 4 of the composite footwear insole 2 is a support layer and/or is a cushioning layer and can be made from a variety of materials, especially foam materials which have elastic or rebounding properties, such as those consisting essentially of silicon, polyester, neoprene, natural rubber foams, synthetic rubber foams, polyurethane, polyether and polyester foams, neoprene, vinyl nitrile, styrene-butadiene rubber (SBR), polyethylene (PE), ethyl vinyl acetate (EVA), ethylene propylene terpolymer (EPT), EPT/PE/butyl rubber, neoprene/EPT/SBR, epichlorohydrin (ECH), and nitrile (NBR) or any combination thereof, as well as other cushioning materials known or used by one skilled in the art.
- foam materials which have elastic or rebounding properties, such as those consisting essentially of silicon, polyester, neoprene, natural rubber foams, synthetic
- the bottom layer 4 of the insole 2 may also be comprised of natural materials, such as leather, cotton, felt, linen, and other such materials known to one skilled in the art.
- the bottom layer 4 should also be durable so that it does not tear apart when the plurality of sections 10 are removed and replaced during use.
- only a portion of the bottom layer 4 can be made of a support type material with the remainder being cushioning material.
- the support materials comprise materials that provide at least some support that can be shaped and not completely rigid, such as leather and metal, but can also be rigid or semi-rigid, such as plastic, rubber and other materials known to one skilled in the art for such purposes.
- the bottom layer 4 can be of a variety of thicknesses from a few millimeters to a centimeter or less.
- the composite footwear insole 2 plurality of sections 10 can be comprised of one or more synthetic or natural materials selected from plastic, metal, metal alloys, gels, and those consisting essentially of silicon, polyester, neoprene, natural rubber foams, synthetic rubber foams, polyurethane, polyether and polyester foams, neoprene, vinyl nitrile, styrene-butadiene rubber (SBR), polyethylene (PE), ethyl vinyl acetate (EVA), ethylene propylene terpolymer (EPT), EPT/PE/butyl rubber, neoprene/EPT/SBR, epichlorohydrin (ECH), and nitrile (NBR), and various types of polymer foams, leather, cotton, felt, linen, or any combination of one or more of the foregoing, or other materials known or used by one skilled in the art.
- synthetic or natural materials selected from plastic, metal, metal alloys, gels, and those consisting essentially of silicon, polyester
- the foam of the plurality of sections 10 also molds to the contours of the foot when worn to reduce the pressure points and for enhanced comfort.
- the insole 2 plurality of sections 10 can contain rigid or semi-rigid materials that are enclosed or encapsulated in other materials that give support to the composite footwear insole 2 , plurality of sections 10 .
- each section are chosen based upon the desired characteristics for each section. For example, if the composite footwear insole 2 , plurality of sections 10 should have elastic or rebounding properties, it is typically comprised of materials that have cushioning abilities that rebound. In contrast, if the composite footwear insole 2 , plurality of sections 10 should support a certain area of the foot, such as the arch area, then the material would be chosen from a type of material known by one skilled in the art that can be shaped and used to support an area of a foot, for example, such as metal, leather, and/or plastic with or without a top layer of another type of material.
- the composite footwear insole 2 plurality of sections 10 should allow a portion of the foot to easily move, such as the toe area, the ideal material will have a low co-efficient of friction such as sheared fur 22 or silk 80 as shown in FIG. 1 , or nylon, polyester, metals, metal alloys and other such materials known to one skilled in the art.
- the insole 2 , plurality of sections 10 should have gripping properties such as in the heel section 42 , the material would be chosen from a type of material known by one skilled in the art that is used to grip an area of a foot such as rubber or foam, with or without a contoured surface.
- any other materials that are known or used by one skilled in the art for making insoles can be used for any of the sections.
- top covering layer 3 that is made of different materials to give the top portion of the sections different characteristics. See e.g. FIGS. 3, 3A .
- a variety of materials can be used for a top layer 3 such as silk 80 , nylon, polyester 92 , leather 83 , cotton, felt, linen, furs, partially sheared fur 22 or short fur, such as moleskin 79 , plastic 86 , metal, metal alloys, gels, and those consisting essentially of silicon, polyester 92 , neoprene 84 , natural rubber foams, synthetic rubber foams, polyurethane, polyether and polyester foams, neoprene, vinyl nitrile, styrene-butadiene rubber (SBR), polyethylene (PE), ethyl vinyl acetate (EVA), ethylene propylene terpolymer (EPT), EPT/PE/butyl rubber, neoprene/EPT/SBR, epichlorohydrin (
- the toe section 18 may have a top layer that is slick like silk, or that is soft and/or has a low coefficient of friction like fur. If another layer is desired, the additional layer may be connected to the topside of a section by any means known by one skilled in the art, including attachment members, comprising hook and loop fasteners, snaps, magnets, stitching, glue, adhesives, or any combination thereof.
- the heel section 42 corresponds to the heel area 42 b of the foot and is placed in the heel area 42 a of the bottom layer 4 of the insole 2 . See FIGS. 3, 3A , and 4 .
- the heel section 42 can be made of a variety of materials previously listed or any combination of one or more of the foregoing, as well as others known to one skilled in the art. In an embodiment, materials that have gripping and/or cushioning properties are preferred.
- portions of the topside 5 of the section may be raised such as the heel section 42 that have rounded protrusions 44 , but may be of like material like that of the section.
- the heel section 42 can made of rubber 90 or polymer foam 85 based materials that have a plurality of protrusions 44 that are essential and have a gripping and/or massaging action on the wearer's heel 42 b . See FIGS. 1, 3 , 3 A, 4 , 4 A and 4 B.
- the plurality of protrusions 44 can be of various heights from about 1/16 inch to about 1 ⁇ 4 inch.
- the heel section 42 may also have a slight concave shape 66 so as to cup the heel of the wearer's foot. See FIG. 4B .
- the protruding members should also be rounded or flat at the top end so they do not puncture or damage the heel of a wearer's foot, and can be evenly or irregularly spaced.
- the heel section 42 can be removably or securably attached to the bottom layer 4 , or can be an integral part of the bottom layer 4 and in an embodiment is molded neoprene 84 .
- a longitudinal arch section 36 as provided that corresponds to the longitudinal arch section 36 b portion of a foot and is placed in the arch area 36 a of the bottom layer 4 of the composite footwear insole 2 .
- the longitudinal arch section 36 can be of various lengths and widths and is usually adjacent to the base section 30 area, see e.g. FIG. 5 , or may be longer and extend into the heel 42 and metatarsal sections 24 as in FIG. 1
- the longitudinal arch section 36 can be removably or securably attached to the bottom layer 4 , or can be an integral part of the bottom layer 4 .
- the longitudinal arch section 36 is shaped similarly to a wearer's foot arch, and serves to support the arch.
- the longitudinal arch section 36 can be comprised of a variety of materials that provide at least some support and can be shaped, such as plastic 86 , rubber 90 and other materials known to one skilled in the art of such purposes.
- composite footwear insole 2 includes a metatarsal section 24 , which corresponds to the metatarsal section 24 b of a foot and is placed in the metatarsal area 24 a of the bottom layer 4 of the insole 2 . See FIGS. 3, 3A , 4 .
- the metatarsal piece 24 is shaped with a concave recess 67 that accommodates the first metatarsal joint of a foot. It is made of materials that provide at least some support and can be shaped and that are not completely rigid such as leather 83 .
- the surface of the metatarsal section 24 is preferably substantially smooth, but does not have to be smooth.
- the metatarsal section 24 corresponds to the metatarsal area of the food.
- Adjacent the anterior end 1 of the composite footwear insole 2 is the toe section 18 that corresponds to the toe region 18 b of a foot, and is placed in the toe are 8 a of the bottom layer of the insole 2 . See FIGS. 4A-4B .
- the toe section 18 can be removably or securably attached to the bottom layer 4 , or can be an integral part of the bottom layer 4 .
- the toe section 18 can be comprised from a variety of materials previously listed or any combination of one or more of the foregoing, as well as others known to one skilled in the art.
- the toe section 18 is covered with a top covering layer 3 , but does not require that the section be covered by another type of material.
- the top covering layer 3 of the toe section 18 allows toe to easily move, and materials that are slick 80 , nylon, polyester 92 , and furs that are partially sheared or short fur 22 , such as moleskin 79 , which have a low coefficient of friction and allow the toes to move or slide, are preferable.
- the base section 30 corresponds to the area of the composite footwear insole 2 not covered by the other sections. In FIGS. 1 and 5 , the base section 30 is the area adjacent to the longitudinal arch section.
- the base section 30 is one of the largest, if not the largest section, and should be made of durable material such as leather 83 , but can also be a variety of materials previously listed or any combination of one or more of the foregoing, as well as others known to one skilled in the art.
- the base section 30 corresponds to the base section of the foot and is placed in the base area 30 a of the bottom layer 4 of the composite footwear insole 2 . See FIGS. 3, 3A , and 4 .
- the base section 30 is comprised of materials that have gripping and/or cushioning properties.
- FIG. 2 shows the bottom side 8 of the bottom layer 4 of FIG. 1 .
- the bottom side 8 of the bottom layer 4 can be smooth or textured. It can also have at least one attachment member 12 , such as those previously described with corresponding attachment members 12 on the bed 7 of the shoe to keep the composite footwear insole 2 in place.
- an assembled insole 2 can be permanently anchored to the inside of the footwear 75 by adhesives, glue, stitching, or other means known by one skilled in the art.
- FIG. 3 shows a right side view of a composite footwear insole 2 of FIG. 3 with the plurality of sections 10 of the composite footwear insole 2 in their relative positions but unassembled.
- the left side of the composite footwear insole 2 of FIG. 3A has a similar appearance of that of the right side view of FIG. 4A with the exception that the bottom layer 4 appears adjacent the arch section of the composite footwear insole 2 as dotted lines in FIGS. 3 assembled composite footwear insole 2 in use in footwear 75 , with the composite footwear insole 2 resting on the bed 7 of the footwear 75 .
- FIGS. 3, 3A show the plurality of sections 10 of the composite footwear insole 2 over a bottom layer 4 having a top side 6 and a bottom side 8 .
- the top side 6 of the bottom layer 4 is covered with attachment members 12 that are complimentary to those on the undersides of the plurality of sections 10 .
- the hook components/fasteners 14 and counterpart loop component/fasteners 16 are present on the bottom layer 4 and on the underside 26 of the plurality of sections 10 .
- the composite footwear insole 2 also has a toe section 18 with a top surface 20 that in this embodiment is moleskin 79 or another type of short or sheared fur 22 .
- the metatarsal section 24 has a top side 25 and an underside 26 , wherein the underside 26 is attached to the counterpart loop component/fasteners 16 in the same manner as that described for the toe section 18 .
- Adjacent to the metatarsal section 24 is an arch section 36 with a raised arch area 35 that has a top surface 37 and a bottom surface 38 , with attachment members 12 attached thereto.
- the heel section 42 has a top side 43 .
- the top side 43 may have a plurality of protrusions 44 that serve to grip the heel, with a concave shape 66 that cradles the heel of a wearer.
- FIG. 4 shows the toe section 18 , metatarsal section 24 , arch section 36 , and heel section 42 in its assembled state with the attachment members 12 joined to one another, thereby forming a holding assembly 17 .
- FIGS. 5, 5A , 6 , and 6 A show composite footwear insole 2 for a right foot with FIG. 5 being the top surface and FIG. 6 being the bottom surface of the insole.
- FIG. 6 shows the bottom side 8 of the bottom layer 4 of the composite footwear insole 2 with the plurality of sections 10 comprising a toe section 18 , a metatarsal section 24 , a base section 30 , and an arch section 36 .
- a heel section 8 is included
- FIGS. 5A and 6A show a continuous section of attachment members 12 along the undersides of the sections 18 , 24 , 30 , 36 , and 42 , and along the top side of the bottom layer
- the attachment members 12 such as hook component/fasteners 14 and counterpart loop component/fasteners 16 need not extend to the edges of the composite footwear insole 2 plurality of sections 10 or completely cover the bottom layer 4 .
- the side views of the composite footwear insole 2 plurality of sections 10 demonstrate that in an embodiment the sections have different elevations 70 from the other sections, and the sections can have different thickness 72 with respect to one another. See FIG. 3 .
- the sections preferably have the same or similar elevations where the sections interface one another.
- FIG. 4B shows the use of the insole 2 in footwear 75 that has a raised arch area 36 c . While the sections may have differing elevations, it is desirable to have gradual changes in elevation so as to provide a surface that is continuous, or nearly continuous for a user's foot.
- one or more of the composite footwear insole 2 plurality of sections 10 of invention may be combined with one another, but yet have different materials in the region of the toes, and/or metatarsal, and/or arch, and/or heel, and/or the remainder of the insole, herein referred to as a base section 30 .
- FIGS. 7A-7G A kit for providing the composite footwear insole 2 disclosed, illustrated, and claimed in this document for footwear 75 is shown in FIGS. 7A-7G .
- the kit comprises a bottom layer 4 having a top side 6 , a plurality of sections 10 having a underside 31 , wherein the underside 31 of one or more of plurality of sections 10 is removably or securably attachable to the top side 6 of the bottom layer 4 , wherein the plurality of sections 10 consist essentially of at least one longitudinal arch section 36 , at least one heel section 42 , at least one toe section 18 , at least one metatarsal section 24 , a base section 30 , attachment members 12 for removably attaching the removably attachable sections to the top of the bottom layer 4 , wherein the attachment members are located of the top side of the bottom layer 4 and on the underside 31 of the removable plurality of sections 10 , wherein an composite footwear insole 2 is formed by removably attaching the underside 31 of one of each
- At least one section is comprised of at least one material that is different from the material of the other plurality of sections 10 .
- the attachment members 12 comprise Velcro® or similar hook components/fasteners 14 and counterpart loop components/fasteners 16 , wherein the hook components/fasteners 14 are attached to the top side 6 of the bottom layer 4 and the counterpart loop components/fasteners 16 are attached to the underside 31 of the removable plurality of sections 10 , or wherein the hook components/fasteners 14 are attached to the underside 31 of the removably plurality of sections 10 and the counterpart loop components/fasteners 16 are attached to the top side 6 of the bottom layer 4 .
- the hook and loop components form a holding assembly 17 and hold the plurality of sections 10 and bottom layer 4 together with the hook components/fasteners 14 and counterpart loop components/fasteners 16 are joined.
- At least some of the sections have a top layer 6 .
- the composite footwear insole 2 kit gives the user versatility in choosing sections and is especially useful in footwear for diabetics and others with pathologic or painful foot conditions.
- the kit has composite footwear insole 2 plurality of sections 10 that are constructed of materials previously set forth herein and any other materials used by one skilled in that art for such purposes.
- FIGS. 7A-7G show a kit that allows the user to choose the material types for each section based upon comfort and needs.
- one or more of each of the removable plurality of sections 10 are provided for each foot, which allows the user to choose and interchange sections depending upon what is most comfortable and/or desirable.
- a more or less rigid arch ay be preferred over the worn in work shoes.
- the arch, metatarsal, base, toe, and/or heel sections can be of varying shapes, materials and elevations to accommodate the feet of different users and for usage in different activities for the same user, as long as there is a smooth transition between the elevations of the sections so that the edges of the sections do not protrude and do not cause discomfort during use.
- the plurality of sections 10 have attachment members 12 on at least a portion of their undersides as those shown on the inside areas of the heel 42 , base 30 and metatarsal 24 sections FIG. 7G .
- the attachment members 12 can be placed on the entire underside of the sections, for example longitudinal arch 36 and toe 18 sections.
- a strip of attachment members 12 such as hook components/fasteners 14 and counterpart loop components/fasteners 16 of Velcro is placed on the underside of the metatarsal section 24 as in FIG. 7G , or in a cut-out type fashion, e.g.
- FIGS. 7C-7D shows two embodiments the top side 6 of the bottom layer 4 of the composite footwear insole 2 with attachment members 12 thereon, so that the composite footwear insole 2 plurality of sections 10 can be removably attached to the bottom layer 4 .
- the insole 2 plurality of sections 10 of FIGS. 7A-7B , 7 E- 7 G can be of varying elevations, shown in FIGS. 3A, 4A , that show the side view of certain sections demonstrating that the sections have varying thickness.
- FIG. 7F shows the top surface 20 covering toe section 18 covered with moleskin 79 , while toe section 18 of FIG.
- 7G is covered in silk 80 , while another is covered in satin 88 , see FIG. 7A , and another is covered in sheared fur 22 , see FIG. 7E , and yet another in polyester 92 , see FIG. 7B .
- Other materials with a low co-efficient of friction as well as other suitable materials known to one skilled in the art can also be used.
- other natural or synthetic materials, that are soft, cushioning, or rigid or semi-rigid, can also be used or the section may not have any covering over the material used to make the section.
- FIGS. 7A-7B show metatarsal sections 24 made of leather 83 and of neoprene 84 , respectively, and FIG. 7E and shows a base section 30 made of EVA foam 85 .
- These materials choices shown in FIGS. 7A-7E are illustrative and other materials previously listed and/or known to one skilled in the art can also be used for the metatarsal sections of the insoles. Of course, other natural or synthetic materials, that are soft, cushioning, or rigid or semi-rigid, can also be used. While in some cases the section for one foot is different than that for the material choices for the other foot, in the accompanying figures for the other foot, the figures are merely illustrative of the types of materials that can be used for the sections of either or both feet.
- FIG. 7A shows a base section 30 of made of leather 83
- FIG. 7B shows a base section 30 made of EVA foam 85
- FIG. 7E shows a base section 30 made of neoprene 84
- FIG. 7F shows a base section 30 comprised of plastic 86 .
- plastic 86 can also be used.
- other natural or synthetic materials that are soft, cushioning, or rigid or semi-rigid, can also be used.
- Heel section 42 of FIG. 7B is made of EVA foam 85 and has protrusions 44 and a slightly concave surface
- FIG. 7E shows a heel section 42 made of rubber 90 that has protrusions 44 and a slightly concave surface
- heel section 42 of FIG. 7A lacks protrusions, and is made of neoprene 84 .
- the material types and surfaces of the sections for the kits as well as the bottom layer can be comprised of any material known to one skilled in the art as well as any of those previously set forth herein.
- kits contain sections made from like materials for each foot, but the insoles need not have sections for each foot that are comprised of the same materials.
- a method of making a multiface and/or multipiece insole for footwear comprises: providing a bottom layer having a top side, providing a plurality of sections having an underside, wherein the underside of one or more of the sections is attachable to the top side of the bottom layer, and removably or securably attaching the plurality of sections to the top side of the bottom layer to form an insole.
- the sections are comprised essentially of a longitudinal arch section, a heel section, a toe section, a metatarsal section, a base section, or any combination thereof.
- At least one section is integral with the bottom layer, wherein the sections are comprised essentially of a longitudinal arch section, a heel section, a toe section, a metatarsal section, a base section, or any combination thereof.
- the method can also further comprise the steps of: placing attachment members for removably attaching the removably attachable sections upon the top of the bottom layer and on the underside of the removable sections, and attaching the sections to the bottom layer.
- attachment members that comprise hook components and loop components, wherein the hook components are attached to the top side of the bottom layer and the loop components are attached to the underside of the removable sections, or wherein the hook components are attached to the underside of the removable sections and the loop components are attached to the top side of the bottom layer.
- At least a portion of some of the sections is comprised of materials different from those in the other sections. Also, this method can be used in footwear for diabetics and others with pathologic or painful foot conditions.
- a longitudinal arch section is removably attached to the bottom layer and/or a heel section is removably attached to the bottom layer and/or a toe section is removably attached to the bottom layer and/or a metatarsal section is removably attached to the bottom layer and/or a base section is removably attached to the bottom layer.
- the sections fit together similar to puzzle pieces, and have shapes different from one another.
- the insole is suitable for those with and without medical conditions and is especially beneficial in footwear for diabetics and others with pathologic or uncomfortable foot conditions.
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Abstract
A composite footwear insole, and a method for making and assembling the composite footwear insole, includes a plurality of sections either removably or securably attachable to a bottom layer. The sections are made of different materials to provide different types of support, such as rigid or shock absorbing. Each section may also have different surface characteristics. The composite footwear insole may be used to at least partially abate and/or prevent foot and related ailments commonly suffered by diabetics and others with pathologic or painful foot conditions. A kit for making an insole is provided wherein a variety of insole sections are provided that have different cushioning or support features and/or different surface characteristics, allowing a user to choose the preferred insole sections and assemble the sections onto the bottom layer, thereby constructing a composite footwear insole.
Description
- This application is a divisional application from co-pending application Ser. No. 11/146,841 entitled MULTIPIECE FOOTWEAR INSOLE filed on Jun. 7, 2005 for which the U.S. Patent Office has issued a notice of allowability to the same sole inventor named in this application. The specification of the pending application is incorporated by reference into this document.
- The composite footwear insole disclosed, shown, and claimed in this document pertains generally to footwear. More particularly, the new and useful composite footwear insole provides an insole that relieves pain suffered by footwear users whose footwear does not include the composite footwear insole disclosed, shown, and claimed in this document.
- Diabetes mellitus is a chronic disease that affects the lives of millions of people in the United States and around the World. Many diabetics develop a serious foot conditions at some time during their lives, which in some cases require toe amputations or even amputations of the entire foot. High blood sugar levels also affect the body's immune system and delays wound healing.
- Neuropathy is an impairment that affects about half of those with diabetes. It causes loss of feeling in feet, which increases the risk of undetected injury. Diabetics suffering from neuropathy can unknowingly develop minor cuts or scrapes, blisters, or pressure sores due to the feeling insensitivity. If such minor injuries are left untreated or fail to heal, complications may lead to ulceration, infection, and gangrene. In fact, diabetic foot complications are the most common cause of non-traumatic lower extremity amputations in the United States. The risk of lower extremity amputation has been estimated to be about 15 to 46 times higher in diabetics than in non-diabetics. Importantly, the majority of diabetic foot complications begin with the formation of skin ulcers on the bottom of the foot.
- Specially designed footwear for diabetics as well as other orthopedic devices can reduce the risk of many foot complications, such as the formation of calluses, foot ulcers, poor circulation, decreased resistance to infection, foot deformities, and neuropathy, all of which are especially problematic for diabetics.
- Custom orthopedic foot wear for diabetics often has a relatively rigid, but resilient base comprising a heel portion and an arch portion contoured to fit the plantar, or bottom surface, of a foot. Unfortunately, most customized prescription orthopedic footwear and/or footwear devices for diabetics require the preparation of molds for the feet that in turn require subsequent manufacturing of footwear and/or devices causing significant delay between the measuring of feet for an orthopedic shoe or device, and the arrival of the new customized device such as insoles as well as footwear. The custom insoles are generally created from hard plastics by making a mold based on detailed foot measurements. The mold is modified to provide prescribed corrections by a podiatrist. Custom orthopedic footwear may also be unattractive. The resulting footwear will not be as versatile as insoles insertable within ordinary shoes and other footwear.
- Conventional footwear inserts or soles consist of materials such as rigid plastic and/or elastomeric foam with an impact cushioning foam layer or space filler. They provide insufficient foot protection and/or do not address the different needs of the various areas of the foot, which can be unique to wearers. Such insoles often do not provide enough protection or support for proper biomechanical functions of a foot, particularly in the rear foot area, and in the arch areas of a foot. Conventional insoles typically do not hold a wearer's heel in place or provide arch support, or allow movement of the foot such as in the toe area that allows toes to slide and move. Thus, conventional inserts and soles are often ineffective in preventing or alleviating foot conditions experienced by diabetics and other persons with foot problems.
- Special footwear and/or footwear components and devices are considered significant in preventing the problems of diabetics and others. It is also believed that many foot and toe complications of non-diabetics could be prevented through the use of the composite footwear insole disclosed, illustrated, and claimed in this document. The composite footwear insole has sections that are for a variety of foot shapes and that can be customized for a variety of wearers and wear requirements. One or more of the sections may have different cushioning and/or surface characteristics.
- It will become apparent to one skilled in the art that the claimed subject matter as a whole, including the structure of the apparatus, and the cooperation of the elements of the apparatus, combine to result in a number of unexpected advantages and utilities. The structure and co-operation of structure of the composite footwear insole will become apparent to those skilled in the art when read in conjunction with the following description, drawing figures, and appended claims.
- The foregoing has outlined broadly the more important features of the invention to better understand the detailed description that follows, and to better understand the contributions to the art. The composite footwear insole is not limited in application to the details of construction, and to the arrangements of the components, provided in the following description or drawing figures, but is capable of other embodiments, and of being practiced and carried out in various ways. The phraseology and terminology employed in this disclosure are for purpose of description, and therefore should not be regarded as limiting.
- As those skilled in the art will appreciate, the conception on which this disclosure is based readily may be used as a basis for designing other structures, methods, and system. The claims, therefore, include equivalent constructions. Further, the abstract associated with this disclosure is intended neither to define the composite footwear insole, which is measured by the claims, nor intended to limit the scope of the claims.
- The novel features of the composite footwear insole are best understood from the accompanying drawing, considered in connection with the accompanying description of the drawing, in which similar reference characters refer to similar parts, and in which:
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FIG. 1 is a top side view of an insole of this invention for the left foot in an assembled state; -
FIG. 1A is a view of an insole ofFIG. 1 showing the undersides of the sections; -
FIG. 2 is a bottom view of the bottom layer of the insole ofFIG. 1 ; -
FIG. 2A shows the top side of the bottom layer of theFIG. 2 ; -
FIG. 3 is a right side view of an insole for the left foot, with the sections of the insole unassembled, but in their respective positions; -
FIG. 3A is a left side view of the insole ofFIG. 3 , with the sections of the insole in their respective positions, unassembled; -
FIG. 4 is a right side view of the insole ofFIGS. 3-3A in an assembled state; -
FIG. 4A is a left side view of the of the insole ofFIG. 4 in use in footwear; -
FIG. 4B is a right side view of the insole ofFIG. 4 in use in footwear; -
FIG. 5 is a top view of insole sections for a right foot in a disassembled state like that ofFIGS. 3, 3A , and 4; -
FIG. 5A is an underside view of the sections ofFIG. 5 in a disassembled state; -
FIG. 6 is a bottom view of the bottom layer ofFIG. 6A with the insole sections ofFIGS. 5 and 5 A in an assembled state likeFIGS. 1, 4 ; -
FIG. 6A is the top view of the bottom layer ofFIG. 6 before the sections ofFIGS. 5-5A are attached thereto; -
FIGS. 7A-7G show a kit for making a right sided and left sided insole that is comprised of toe sections, metatarsal sections, base sections, arch sections, heel sections, and bottom insole layers; -
FIGS. 7A and 7B show an assortment of insole sections for a left foot insole; -
FIG. 7C shows the top view of an embodiment of a bottom insole layer for a left foot insole; -
FIG. 7D shows the top view of an embodiment of a bottom insole layer for a right foot insole; -
FIGS. 7E and 7F show an assortment of insole sections for a right foot insole; and -
FIG. 7G shows an embodiment of the underside of the insole sections for a left foot. - Claim elements and steps in this document have been numbered solely as an aid in understanding the description. The numbering is not intended to, and should not be considered as intending to, indicate the ordering of elements and steps in the claims. In addition, the composite footwear insole shown in drawing FIGS. 1 through ● shows at least one embodiment that is not intended to be exclusive, but merely illustrative of the disclosed embodiments.
- Means-plus-function clauses in the claims are intended to cover the structures described as performing the recited function that include not only structural equivalents, but also equivalent structures. Thus, although a nail and screw may not be structural equivalents, a nail and a screw may be equivalent structures.
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Composite footwear insole 2 disclosed, illustrated, and claimed in this document includes multiple pieces or sections that can be made from a variety of materials and/or sections that can have different surface characteristics. The composite footwear insole is versatile, and can be constructed in a fraction of the time in comparison to conventional custom or special-fit insoles. Further, depending on needs and changes in a wearer's foot, certain sections can be switched with other counterpart sections that can be made from a spectrum of different materials having different hardnesses and/or different surfaces. For example, the insole sections can be comprised of cushioning materials or rigid materials to lend support, and those in between. The surface type can also vary based upon type and location of the sections. For example, certain enable the toes to move and slide, to surface types that are gripping to prevent sliding of portions of the foot, such as the heel. The ability to slide and move the toes of the foot may also enhance circulation in the foot. -
FIG. 1 shows atop side view 5 of acomposite footwear insole 2 of this invention for the left foot with the insole sections in their respective positions and in an assembled state, with at least one medial edge shaped to fit together with a medial edge of an adjacent section.FIG. 1A shows theundersides toe sections 18,metatarsal section 24,base section 30,arch section 36, andheel section 42 ofFIG. 1 .FIG. 2 shows thebottom view 8 of thebottom layer 4 of the insole ofFIG. 1 .FIG. 2A shows thetop side 6 of thebottom layer 4 ofFIG. 2 , and theattachment members 12 on thetop side 6 of thebottom layer 4. As shown inFIGS. 1-2A , as well asFIGS. 3, 3A , 4, 4A, and 4B which show a side view, the composite footwear insole has abottom layer 4 having atop side 6 and abottom side 8, and includes a plurality ofsections 10. - Beginning at the anterior-most end 1 of the
composite footwear insole 2 ofFIG. 1 is atoe section 18, having atop surface 20. Moving toward the posterior end of thecomposite footwear insole 2, thetoe section 18 has amedial edge 21 that in an embodiment is irregular and is waved. The pattern or design of the respective edge of the adjacent piece, here themedial edge 21 of thetoe section 18, is of a shape complimentary to themedial edge 27 a of themetatarsal section 24, which has atop side 25. In the embodiment ofFIG. 1 , the longitudinalarch section 36 is shaped so as to extend into themetatarsal section 24 of thecomposite footwear insole 2. Moving further posteriorly is anothermedial edge 27 b of themetatarsal section 24 that interfaces with themedial edge 33 a of thebase section 30, which has atop side 31. The longitudinalarch section 36 is adjacent to thebase section 30 and has a curved 54medial edge 39 adjacent tomedial edge 33 a of thebase section 30. The top side of thearch section 37 is shown. Themedial edge 33 b of thebase section 30 is adjacent to themedial edge 40 of theheel section 42. Here, thetop side 43 of theheel section 42 has a plurality ofprotrusions 44 that are raised areas that serve to grip the heel of a wearer's foot.FIG. 1 shows a left insole for a left foot. The right insole for the right foot would be a mirror image of the left foot insole ofFIG. 1 . - The sections of the
composite footwear insole 2 disclosed, illustrated, and claimed in this document are usually of different sizes and of different shapes and can vary in thicknesses, depths, and/or elevations. Each composite footwear insole section can be comprised of one or more of material types and can be a variety of thicknesses from a few millimeters to a few centimeters. The sections ofcomposite footwear insole 2 disclosed, illustrated, and claimed in this document can be securably attached to a bottom layer, removably attachable to a bottom layer, or alternatively, integral with the bottom layer. The composite footwear insole can be designed so that any section can be integral with the bottom layer.FIGS. 7A-7G also show a kit for making the composite footwear insole. - The composite footwear insole sections can be comprised of one or more layers of material. In one embodiment, one or more of the composite footwear insole sections have semi-rigid or rigid support members underneath or molded within the insole section. Also, if desired, a section can be constructed from one type of material, and may have a covering layer on the top surface comprised of another material. A variety of materials can be used as a top covering layer for the composite footwear insole sections. If a top layer is used, it can have a variety of thicknesses of material from a few millimeters to less than about 1 to 1.5 centimeters. The top layer can have a variety of surface characteristics and be made of synthetic and/or natural materials such as silk, fur, felt, satin, leather, polyester, cloth or sheeting, as well as foam, rubber, plastic materials, and any other materials known to one skilled in the art that are suitable for insoles and insole coverings.
- The assembled
composite footwear insole 2 is generally foot-shaped and/or has the approximate shape of the inside perimeter of thebed 7 of conventional footwear or shoes. See e.g.FIGS. 1, 2 , 4, 4A, 4B, and 6. Thecomposite footwear insole 2 is formed of a plurality ofsections 10 that are integral with thecomposite footwear insole 2 or that are removably attachable or securably attachable to at least a portion of thetop side 6 of thebottom layer 4 of theinsole 2. In one embodiment, the sections are comprised essentially of a longitudinalarch section 36, aheel section 42, atoe section 18, ametatarsal section 24, abase section 30, or any combination thereof. Of course one or more of these sections can be combined or can extend into other areas of the insole. The various insole sections fit together similar to puzzle pieces to form ancomposite footwear insole 2. In one embodiment, the sections have medial edges that fit together with the medial edge of at least one other section in a puzzle-like manner. - The edges between the pieces can be straight 50 as those between the
toe section 18 ofFIG. 5 and the heel inFIG. 1 , or curved as in themedial edge 39 of the longitudinalarch section 36 andmedial edge 33 c of thebase piece 30 inFIGS. 1,5 . However, for comfort, the edges of the insole in the weight bearing areas are preferably irregular so that the wearer does not feel a seam or separation between the sections. For example, the edges can be wave shaped or shaped like a repeating “w”, “u”, or “v”, or any combination of the foregoing. As shown inFIG. 1 , for example, thetoe section 18 adjacent to themetatarsal section 24 has edges that are wave-shapededge 58 and wave-shape medial edge 27 of themetatarsal piece 24 adjacent totoe section 18 and is irregular in a corresponding wave-shapededge 58. As shown inFIG. 5 , themedial edge 33 of thebase piece 30 adjacent to theheel piece 42 is wave-shapededge 58 and themedial edge 40 of theheel piece 42 adjacent to thebase piece 30 is irregular and wave-shapededge 58 in a corresponding shape. As defined herein, a medial edge is the edge of the insole sections that is adjacent to at least one other section and interfaces with another insole section. Also as shown inFIG. 1 , some edges between some pieces are straight, while the edges between other pieces are irregular. - For sections that are removably attachable to form the
composite footwear insole 2, there are various ways to attach the sections to the insole or a bottom layer of the insole, such as using attachment members including adhesives, glue, magnets, a wedge and aperture connection, studs, snaps, hook and loop fasteners such as Velcro® and other hook and loop fasteners, hook and eye fasteners, and other means or materials known to one skilled in the art for removably attaching materials to each other. Theattachment members 12 are located on thetop side 6 of thebottom layer 4 and on the underside 11 of such plurality ofsections 10. In thecomposite footwear insole 2 embodiments ofFIGS. 1, 4 , 5A, 6A, 7C, 7D, and 7G theattachment members 12 comprisehook components 14 andcounterpart loop components 16 like those found in Velcro® and similar materials. The Velcro®-type attachment members are secured to the sections and bottom layer by adhesives and/or stitching. Thehook components 14 can be attached to thetop side 6 of thebottom layer 4 and thecounterpart loop components 16 can be attached to the underside 11 of the removable plurality ofsections 10 or similarly, thehook components 14 can be attached to the underside 11 of the removable plurality ofsections 10 and thecounterpart loop components 16 can be attached to thetop side 6 of thebottom layer 4. Regardless of the position of theattachment members 12 on the underside 11 of plurality ofsections 10 and thebottom layer 4, when thehook components 14 andcounterpart loop components 16 are joined together, they form a holdingassembly 17. Also, Velcro-compatible continuous-loop fabrics can be used for the loop counterparts such as nylon which is available under the trade designation “Tricot.” - The
hook components 14 andcounterpart loop components 16 can cover the entire surface of the plurality ofsections 10 andbottom layer 4, see e.g.FIG. 7G or instead, a portion thereof, see e.g.FIGS. 2, 7G . Alternatively, if the plurality ofsections 10 are securably attached to thebottom layer 4, they can be integral or part of thebottom layer 4 such as though molding, or attached by adhesives, heat bonding glue, and/or stitching, or other ways known to one skilled in the art. - The
bottom layer 4 of thecomposite footwear insole 2 is a support layer and/or is a cushioning layer and can be made from a variety of materials, especially foam materials which have elastic or rebounding properties, such as those consisting essentially of silicon, polyester, neoprene, natural rubber foams, synthetic rubber foams, polyurethane, polyether and polyester foams, neoprene, vinyl nitrile, styrene-butadiene rubber (SBR), polyethylene (PE), ethyl vinyl acetate (EVA), ethylene propylene terpolymer (EPT), EPT/PE/butyl rubber, neoprene/EPT/SBR, epichlorohydrin (ECH), and nitrile (NBR) or any combination thereof, as well as other cushioning materials known or used by one skilled in the art. Of course, thebottom layer 4 of theinsole 2 may also be comprised of natural materials, such as leather, cotton, felt, linen, and other such materials known to one skilled in the art. Thebottom layer 4 should also be durable so that it does not tear apart when the plurality ofsections 10 are removed and replaced during use. Also, only a portion of thebottom layer 4 can be made of a support type material with the remainder being cushioning material. The support materials comprise materials that provide at least some support that can be shaped and not completely rigid, such as leather and metal, but can also be rigid or semi-rigid, such as plastic, rubber and other materials known to one skilled in the art for such purposes. Thebottom layer 4 can be of a variety of thicknesses from a few millimeters to a centimeter or less. - If different material characteristics are desired, one or more of the plurality of
sections 10 will be made of different materials. Thecomposite footwear insole 2 plurality ofsections 10 can be comprised of one or more synthetic or natural materials selected from plastic, metal, metal alloys, gels, and those consisting essentially of silicon, polyester, neoprene, natural rubber foams, synthetic rubber foams, polyurethane, polyether and polyester foams, neoprene, vinyl nitrile, styrene-butadiene rubber (SBR), polyethylene (PE), ethyl vinyl acetate (EVA), ethylene propylene terpolymer (EPT), EPT/PE/butyl rubber, neoprene/EPT/SBR, epichlorohydrin (ECH), and nitrile (NBR), and various types of polymer foams, leather, cotton, felt, linen, or any combination of one or more of the foregoing, or other materials known or used by one skilled in the art. In one embodiment, the foam of the plurality ofsections 10 also molds to the contours of the foot when worn to reduce the pressure points and for enhanced comfort. If desired, theinsole 2 plurality ofsections 10 can contain rigid or semi-rigid materials that are enclosed or encapsulated in other materials that give support to thecomposite footwear insole 2, plurality ofsections 10. - The materials for each section are chosen based upon the desired characteristics for each section. For example, if the
composite footwear insole 2, plurality ofsections 10 should have elastic or rebounding properties, it is typically comprised of materials that have cushioning abilities that rebound. In contrast, if thecomposite footwear insole 2, plurality ofsections 10 should support a certain area of the foot, such as the arch area, then the material would be chosen from a type of material known by one skilled in the art that can be shaped and used to support an area of a foot, for example, such as metal, leather, and/or plastic with or without a top layer of another type of material. As a further example, if thecomposite footwear insole 2 plurality ofsections 10 should allow a portion of the foot to easily move, such as the toe area, the ideal material will have a low co-efficient of friction such as shearedfur 22 orsilk 80 as shown inFIG. 1 , or nylon, polyester, metals, metal alloys and other such materials known to one skilled in the art. If theinsole 2, plurality ofsections 10 should have gripping properties such as in theheel section 42, the material would be chosen from a type of material known by one skilled in the art that is used to grip an area of a foot such as rubber or foam, with or without a contoured surface. Of course, any other materials that are known or used by one skilled in the art for making insoles can be used for any of the sections. - Also, certain sections have a
top covering layer 3 that is made of different materials to give the top portion of the sections different characteristics. See e.g.FIGS. 3, 3A . A variety of materials can be used for atop layer 3 such assilk 80, nylon,polyester 92,leather 83, cotton, felt, linen, furs, partially shearedfur 22 or short fur, such asmoleskin 79, plastic 86, metal, metal alloys, gels, and those consisting essentially of silicon,polyester 92,neoprene 84, natural rubber foams, synthetic rubber foams, polyurethane, polyether and polyester foams, neoprene, vinyl nitrile, styrene-butadiene rubber (SBR), polyethylene (PE), ethyl vinyl acetate (EVA), ethylene propylene terpolymer (EPT), EPT/PE/butyl rubber, neoprene/EPT/SBR, epichlorohydrin (ECH), and nitrile (NBR), and various types of polymer foams, and other such materials known to one skilled in the art. For example, thetoe section 18 may have a top layer that is slick like silk, or that is soft and/or has a low coefficient of friction like fur. If another layer is desired, the additional layer may be connected to the topside of a section by any means known by one skilled in the art, including attachment members, comprising hook and loop fasteners, snaps, magnets, stitching, glue, adhesives, or any combination thereof. - Beginning at the
posterior-most end 51 of thecomposite footwear insole 2 disclosed, illustrated, and claimed in this document ofFIGS. 1, 3 , 3A, 4, 4A, 5, 5A, 6, 6A, 7A-7G, there is aheel section 42. Theheel section 42 corresponds to theheel area 42 b of the foot and is placed in theheel area 42 a of thebottom layer 4 of theinsole 2. SeeFIGS. 3, 3A , and 4. Theheel section 42 can be made of a variety of materials previously listed or any combination of one or more of the foregoing, as well as others known to one skilled in the art. In an embodiment, materials that have gripping and/or cushioning properties are preferred. Also, portions of thetopside 5 of the section may be raised such as theheel section 42 that have roundedprotrusions 44, but may be of like material like that of the section. For example, theheel section 42 can made ofrubber 90 orpolymer foam 85 based materials that have a plurality ofprotrusions 44 that are essential and have a gripping and/or massaging action on the wearer'sheel 42 b. SeeFIGS. 1, 3 , 3A, 4, 4A and 4B. The plurality ofprotrusions 44 can be of various heights from about 1/16 inch to about ¼ inch. Theheel section 42 may also have a slightconcave shape 66 so as to cup the heel of the wearer's foot. SeeFIG. 4B . The protruding members should also be rounded or flat at the top end so they do not puncture or damage the heel of a wearer's foot, and can be evenly or irregularly spaced. Theheel section 42 can be removably or securably attached to thebottom layer 4, or can be an integral part of thebottom layer 4 and in an embodiment is moldedneoprene 84. - As illustrated in
FIG. 4 , a longitudinalarch section 36 as provided that corresponds to the longitudinalarch section 36 b portion of a foot and is placed in thearch area 36 a of thebottom layer 4 of thecomposite footwear insole 2. The longitudinalarch section 36 can be of various lengths and widths and is usually adjacent to thebase section 30 area, see e.g.FIG. 5 , or may be longer and extend into theheel 42 andmetatarsal sections 24 as inFIG. 1 - The longitudinal
arch section 36 can be removably or securably attached to thebottom layer 4, or can be an integral part of thebottom layer 4. In an embodiment, the longitudinalarch section 36 is shaped similarly to a wearer's foot arch, and serves to support the arch. The longitudinalarch section 36 can be comprised of a variety of materials that provide at least some support and can be shaped, such asplastic 86,rubber 90 and other materials known to one skilled in the art of such purposes. - Also,
composite footwear insole 2 includes ametatarsal section 24, which corresponds to themetatarsal section 24 b of a foot and is placed in themetatarsal area 24 a of thebottom layer 4 of theinsole 2. SeeFIGS. 3, 3A , 4. As shown in the side view ofFIGS. 3, 3A , 4, 4A, and 4B themetatarsal piece 24 is shaped with aconcave recess 67 that accommodates the first metatarsal joint of a foot. It is made of materials that provide at least some support and can be shaped and that are not completely rigid such asleather 83. Of course, synthetic materials that can be rigid or semi-rigid, such as plastic and rubber and other materials known to one skilled in the art for such purposes are also suitable. In an embodiment, the surface of themetatarsal section 24 is preferably substantially smooth, but does not have to be smooth. Themetatarsal section 24 corresponds to the metatarsal area of the food. - Adjacent the anterior end 1 of the
composite footwear insole 2 is thetoe section 18 that corresponds to thetoe region 18 b of a foot, and is placed in the toe are 8 a of the bottom layer of theinsole 2. SeeFIGS. 4A-4B . Thetoe section 18 can be removably or securably attached to thebottom layer 4, or can be an integral part of thebottom layer 4. Thetoe section 18 can be comprised from a variety of materials previously listed or any combination of one or more of the foregoing, as well as others known to one skilled in the art. Typically, thetoe section 18 is covered with atop covering layer 3, but does not require that the section be covered by another type of material. In one embodiment, thetop covering layer 3 of thetoe section 18 allows toe to easily move, and materials that are slick 80, nylon,polyester 92, and furs that are partially sheared orshort fur 22, such asmoleskin 79, which have a low coefficient of friction and allow the toes to move or slide, are preferable. - The
base section 30 corresponds to the area of thecomposite footwear insole 2 not covered by the other sections. InFIGS. 1 and 5 , thebase section 30 is the area adjacent to the longitudinal arch section. Thebase section 30 is one of the largest, if not the largest section, and should be made of durable material such asleather 83, but can also be a variety of materials previously listed or any combination of one or more of the foregoing, as well as others known to one skilled in the art. Thebase section 30 corresponds to the base section of the foot and is placed in thebase area 30 a of thebottom layer 4 of thecomposite footwear insole 2. SeeFIGS. 3, 3A , and 4. In one embodiment, thebase section 30 is comprised of materials that have gripping and/or cushioning properties. -
FIG. 2 shows thebottom side 8 of thebottom layer 4 ofFIG. 1 . Thebottom side 8 of thebottom layer 4 can be smooth or textured. It can also have at least oneattachment member 12, such as those previously described withcorresponding attachment members 12 on thebed 7 of the shoe to keep thecomposite footwear insole 2 in place. Of course, if desired, an assembledinsole 2 can be permanently anchored to the inside of thefootwear 75 by adhesives, glue, stitching, or other means known by one skilled in the art. -
FIG. 3 shows a right side view of acomposite footwear insole 2 ofFIG. 3 with the plurality ofsections 10 of thecomposite footwear insole 2 in their relative positions but unassembled. The left side of thecomposite footwear insole 2 ofFIG. 3A has a similar appearance of that of the right side view ofFIG. 4A with the exception that thebottom layer 4 appears adjacent the arch section of thecomposite footwear insole 2 as dotted lines in FIGS. 3 assembledcomposite footwear insole 2 in use infootwear 75, with thecomposite footwear insole 2 resting on thebed 7 of thefootwear 75. -
FIGS. 3, 3A show the plurality ofsections 10 of thecomposite footwear insole 2 over abottom layer 4 having atop side 6 and abottom side 8. In an embodiment, thetop side 6 of thebottom layer 4 is covered withattachment members 12 that are complimentary to those on the undersides of the plurality ofsections 10. Here, the hook components/fasteners 14 and counterpart loop component/fasteners 16 are present on thebottom layer 4 and on theunderside 26 of the plurality ofsections 10. Thecomposite footwear insole 2 also has atoe section 18 with atop surface 20 that in this embodiment is moleskin 79 or another type of short or shearedfur 22. Next to thetoe section 18 is ametatarsal section 24 with a concave recess/depression 67 to accommodate the metartarsal joint of the foot. Themetatarsal section 24 has atop side 25 and anunderside 26, wherein theunderside 26 is attached to the counterpart loop component/fasteners 16 in the same manner as that described for thetoe section 18. Adjacent to themetatarsal section 24 is anarch section 36 with a raisedarch area 35 that has atop surface 37 and abottom surface 38, withattachment members 12 attached thereto. Theheel section 42 has atop side 43. Thetop side 43 may have a plurality ofprotrusions 44 that serve to grip the heel, with aconcave shape 66 that cradles the heel of a wearer. In one embodiment, there is also abase section 30 that hasattachment members 12 on theunderside 32.FIG. 4 shows thetoe section 18,metatarsal section 24,arch section 36, andheel section 42 in its assembled state with theattachment members 12 joined to one another, thereby forming a holdingassembly 17. -
FIGS. 5, 5A , 6, and 6A showcomposite footwear insole 2 for a right foot withFIG. 5 being the top surface andFIG. 6 being the bottom surface of the insole.FIG. 6 shows thebottom side 8 of thebottom layer 4 of thecomposite footwear insole 2 with the plurality ofsections 10 comprising atoe section 18, ametatarsal section 24, abase section 30, and anarch section 36. As also shown by cross-reference betweenFIGS. 6-6A , aheel section 8 is included - While the embodiment in
FIGS. 5A and 6A show a continuous section ofattachment members 12 along the undersides of thesections attachment members 12 such as hook component/fasteners 14 and counterpart loop component/fasteners 16 need not extend to the edges of thecomposite footwear insole 2 plurality ofsections 10 or completely cover thebottom layer 4. Moreover, if there is a void between the different sections, it may be advantageous to avoid having hook component/fasteners 14 orcounterpart loop 16 component/fasteners along the entire length of thebottom layer 4 in order to prevent snagging of hosiery and socks, and to prevent discomfort for bare feet. The side views of thecomposite footwear insole 2 plurality ofsections 10 demonstrate that in an embodiment the sections havedifferent elevations 70 from the other sections, and the sections can havedifferent thickness 72 with respect to one another. SeeFIG. 3 . For comfort, the sections preferably have the same or similar elevations where the sections interface one another.FIG. 4B shows the use of theinsole 2 infootwear 75 that has a raisedarch area 36 c. While the sections may have differing elevations, it is desirable to have gradual changes in elevation so as to provide a surface that is continuous, or nearly continuous for a user's foot. - If desired, one or more of the
composite footwear insole 2 plurality ofsections 10 of invention may be combined with one another, but yet have different materials in the region of the toes, and/or metatarsal, and/or arch, and/or heel, and/or the remainder of the insole, herein referred to as abase section 30. - A kit for providing the
composite footwear insole 2 disclosed, illustrated, and claimed in this document forfootwear 75 is shown inFIGS. 7A-7G . The kit comprises abottom layer 4 having atop side 6, a plurality ofsections 10 having aunderside 31, wherein theunderside 31 of one or more of plurality ofsections 10 is removably or securably attachable to thetop side 6 of thebottom layer 4, wherein the plurality ofsections 10 consist essentially of at least one longitudinalarch section 36, at least oneheel section 42, at least onetoe section 18, at least onemetatarsal section 24, abase section 30,attachment members 12 for removably attaching the removably attachable sections to the top of thebottom layer 4, wherein the attachment members are located of the top side of thebottom layer 4 and on theunderside 31 of the removable plurality ofsections 10, wherein ancomposite footwear insole 2 is formed by removably attaching theunderside 31 of one of each of the plurality ofsections 10 to thetop side 6 of thebottom layer 4. If desired one or more sections can also be integral with thebottom layer 4. - In one embodiment, at least one section is comprised of at least one material that is different from the material of the other plurality of
sections 10. - Also in an embodiment, the
attachment members 12 comprise Velcro® or similar hook components/fasteners 14 and counterpart loop components/fasteners 16, wherein the hook components/fasteners 14 are attached to thetop side 6 of thebottom layer 4 and the counterpart loop components/fasteners 16 are attached to theunderside 31 of the removable plurality ofsections 10, or wherein the hook components/fasteners 14 are attached to theunderside 31 of the removably plurality ofsections 10 and the counterpart loop components/fasteners 16 are attached to thetop side 6 of thebottom layer 4. The hook and loop components form a holdingassembly 17 and hold the plurality ofsections 10 andbottom layer 4 together with the hook components/fasteners 14 and counterpart loop components/fasteners 16 are joined. - Further in an embodiment, at least some of the sections have a
top layer 6. - The
composite footwear insole 2 kit gives the user versatility in choosing sections and is especially useful in footwear for diabetics and others with pathologic or painful foot conditions. - The kit has
composite footwear insole 2 plurality ofsections 10 that are constructed of materials previously set forth herein and any other materials used by one skilled in that art for such purposes. -
FIGS. 7A-7G show a kit that allows the user to choose the material types for each section based upon comfort and needs. In this system, one or more of each of the removable plurality ofsections 10 are provided for each foot, which allows the user to choose and interchange sections depending upon what is most comfortable and/or desirable. For example, while engaging in exercise, a more or less rigid arch ay be preferred over the worn in work shoes. Also, the arch, metatarsal, base, toe, and/or heel sections can be of varying shapes, materials and elevations to accommodate the feet of different users and for usage in different activities for the same user, as long as there is a smooth transition between the elevations of the sections so that the edges of the sections do not protrude and do not cause discomfort during use.FIGS. 7A, 7B , 7E and 7F show an assortment of sections in a disassembled state that can be used in thiscomposite footwear insole 2. The plurality ofsections 10 haveattachment members 12 on at least a portion of their undersides as those shown on the inside areas of theheel 42,base 30 andmetatarsal 24 sectionsFIG. 7G . Theattachment members 12 can be placed on the entire underside of the sections, for examplelongitudinal arch 36 andtoe 18 sections. A strip ofattachment members 12 such as hook components/fasteners 14 and counterpart loop components/fasteners 16 of Velcro is placed on the underside of themetatarsal section 24 as inFIG. 7G , or in a cut-out type fashion, e.g. seeheel section 42, and any other or configuration so long as the sections are adequately attached and do not become detached during use.FIGS. 7C-7D shows two embodiments thetop side 6 of thebottom layer 4 of thecomposite footwear insole 2 withattachment members 12 thereon, so that thecomposite footwear insole 2 plurality ofsections 10 can be removably attached to thebottom layer 4. Theinsole 2 plurality ofsections 10 ofFIGS. 7A-7B , 7E-7G can be of varying elevations, shown inFIGS. 3A, 4A , that show the side view of certain sections demonstrating that the sections have varying thickness.FIG. 7F shows thetop surface 20 coveringtoe section 18 covered withmoleskin 79, whiletoe section 18 ofFIG. 7G is covered insilk 80, while another is covered insatin 88, seeFIG. 7A , and another is covered in shearedfur 22, seeFIG. 7E , and yet another inpolyester 92, seeFIG. 7B . Other materials with a low co-efficient of friction as well as other suitable materials known to one skilled in the art can also be used. Of course, other natural or synthetic materials, that are soft, cushioning, or rigid or semi-rigid, can also be used or the section may not have any covering over the material used to make the section. -
FIGS. 7A-7B show metatarsal sections 24 made ofleather 83 and ofneoprene 84, respectively, andFIG. 7E and shows abase section 30 made ofEVA foam 85. These materials choices shown inFIGS. 7A-7E are illustrative and other materials previously listed and/or known to one skilled in the art can also be used for the metatarsal sections of the insoles. Of course, other natural or synthetic materials, that are soft, cushioning, or rigid or semi-rigid, can also be used. While in some cases the section for one foot is different than that for the material choices for the other foot, in the accompanying figures for the other foot, the figures are merely illustrative of the types of materials that can be used for the sections of either or both feet. -
FIG. 7A shows abase section 30 of made ofleather 83,FIG. 7B shows abase section 30 made ofEVA foam 85,FIG. 7E shows abase section 30 made ofneoprene 84, andFIG. 7F shows abase section 30 comprised ofplastic 86. Of course, other natural or synthetic materials, that are soft, cushioning, or rigid or semi-rigid, can also be used. -
Heel section 42 ofFIG. 7B is made ofEVA foam 85 and hasprotrusions 44 and a slightly concave surface,FIG. 7E shows aheel section 42 made ofrubber 90 that hasprotrusions 44 and a slightly concave surface, whileheel section 42 ofFIG. 7A lacks protrusions, and is made ofneoprene 84. - Of course, the material types and surfaces of the sections for the kits as well as the bottom layer can be comprised of any material known to one skilled in the art as well as any of those previously set forth herein.
- There can be more or fewer of each of the sections in the kit. These materials choices shown in
FIGS. 7A-7F , as well as those previously discussed are illustrative and other materials known to one skilled in the art can also be used for the toe sections of the insoles. Further, in an embodiment, the kits contain sections made from like materials for each foot, but the insoles need not have sections for each foot that are comprised of the same materials. - It is also possible that some of the sections such as the toe piece, heel piece, and metatarsal piece may be used for the right foot and the left foot.
- A method of making a multiface and/or multipiece insole for footwear is also contemplated which comprises: providing a bottom layer having a top side, providing a plurality of sections having an underside, wherein the underside of one or more of the sections is attachable to the top side of the bottom layer, and removably or securably attaching the plurality of sections to the top side of the bottom layer to form an insole.
- In this method, the sections are comprised essentially of a longitudinal arch section, a heel section, a toe section, a metatarsal section, a base section, or any combination thereof.
- In an embodiment, at least one section is integral with the bottom layer, wherein the sections are comprised essentially of a longitudinal arch section, a heel section, a toe section, a metatarsal section, a base section, or any combination thereof.
- The method can also further comprise the steps of: placing attachment members for removably attaching the removably attachable sections upon the top of the bottom layer and on the underside of the removable sections, and attaching the sections to the bottom layer. In an embodiment attachment members that comprise hook components and loop components, wherein the hook components are attached to the top side of the bottom layer and the loop components are attached to the underside of the removable sections, or wherein the hook components are attached to the underside of the removable sections and the loop components are attached to the top side of the bottom layer. When the hook and loop components are joined, they form a holding assembly and hold the sections and bottom layer together.
- In this method, at least a portion of some of the sections is comprised of materials different from those in the other sections. Also, this method can be used in footwear for diabetics and others with pathologic or painful foot conditions.
- In an embodiment, a longitudinal arch section is removably attached to the bottom layer and/or a heel section is removably attached to the bottom layer and/or a toe section is removably attached to the bottom layer and/or a metatarsal section is removably attached to the bottom layer and/or a base section is removably attached to the bottom layer.
- In this method, the sections fit together similar to puzzle pieces, and have shapes different from one another.
- The insole is suitable for those with and without medical conditions and is especially beneficial in footwear for diabetics and others with pathologic or uncomfortable foot conditions.
- The above description is that of preferred embodiments of the invention. It is intended that all matter contained in the above description and shown in the accompanying drawing is illustrative rather than limiting. It should further be understood that the following claims are intended to cover all of the generic and specific features of the invention herein described.
- Various alterations and changes can be made without departing from the spirit and broader aspects of the invention as defined in the appended claims, which are to be interpreted in accordance with the principles of patent law including the doctrine of equivalents.
Claims (20)
1. A method of making an insole for footwear, comprising:
providing a bottom layer having a top side;
providing a plurality of insole sections having an underside,
wherein one of the plurality of insole sections includes a medial edge;
placing attachment members on the top side of the bottom layer and to the underside of the plurality of insole sections for attaching the bottom layer and one or more of the plurality of insole sections;
selecting one or more of the plurality of insole sections for assembly into an insole;
arranging the one or more of the plurality of insole sections in relationship to the bottom layer for attachment to the bottom layer; and
attaching the one or more of the plurality of insole sections to the top side of the bottom layer to form the insole.
2. A method of making an insole for footwear as recited in claim 1 , wherein the step of attaching the one or more of the plurality of insole sections to the top side of the bottom layer includes the substep of removably attaching the one or more of the plurality of insole sections to the top side of the bottom layer.
3. A method of making an insole for footwear as recited in claim 1 , wherein the step of attaching the one or more of the plurality of insole sections to the top side of the bottom layer includes the substep of affixing the one or more of the plurality of insole sections to the top side of the bottom layer.
4. A method of making an insole for footwear as recited in claim 1 , wherein the step of selecting one or more of the plurality of insole sections includes the substep of selecting the sections from the group consisting of a longitudinal arch section, a heel section, a toe section, a metatarsal section, and/or a base section.
5. A method of making an insole for footwear as recited in claim 1 , wherein the step of providing a plurality of insole sections having an underside formed with at least one medial edge includes the substep of forming the at least one medial edge for fitting one or more of the plurality of insole sections to one another.
6. A method of making an insole for footwear as recited in claim 1 , further comprising the step of placing attachment members on the top side of the bottom layer and to the underside of the plurality of insole sections includes the substeps of:
selecting attachment members that comprise hook components and loop components;
mounting the hook components on the top side of the bottom layer;
mounting the loop components on the underside of the plurality of insole sections intended for removable attachment; or
mounting the hook components on the underside of the bottom layer; and
mounting the loop components on the top surface of insole sections intended for removable attachment.
7. A method of making an insole for footwear as recited in claim 1 , wherein the step of providing a plurality of insole sections includes the substep of making the plurality of insole sections from different materials.
8. A method for making a composite footwear insole, comprising the steps of:
selecting one or more materials adapted to make a bottom insole layer having a top side;
choosing one or more materials adapted to make a plurality of insole sections having an underside,
further including the substep of choosing materials having different cushioning,
hardness, thickness and/or surface characteristics;
shaping the plurality of insole sections for engagement with the top side of the bottom insole layer; and
including attachment members mountable on at least one side of the bottom layer and on the underside of the plurality of insole sections adapted to attach the plurality of insole sections with the bottom layer.
9. A method for making a composite footwear insole as recited in claim 8 , wherein the step of shaping the plurality of insole sections for engagement with the top side of the bottom insole layer includes the substep of affixing the one or more of the plurality of insole sections to the top side of the bottom layer.
10. A method for making a composite footwear insole as recited in claim 8 , wherein the step of shaping the plurality of insole sections for engagement with toe top side of the bottom insole layer includes the substep of providing one or more layers of material to provide a substantially continuous top surface of assembly of the plurality of insole sections on the bottom layer.
11. A method for making a composite footwear insole as recited in claim 8 , wherein the step of shaping the plurality of insole sections for removable engagement with the top side of the bottom insole layer includes the substep of shaping the materials to form a longitudinal arch section, a heel section, a toe section, a metatarsal section, a base section, or any combination thereof.
12. A method for making a composite footwear insole as recited in claim 8 , wherein the step of shaping the plurality of insole sections for securable engagement with the top side of the bottom insole layer includes the substep of shaping the materials to form a longitudinal arch section, a heel, a top section, a metatarsal section, a base section, or any combination thereof.
13. A method for making a composite footwear insole as recited in claim 8 , whereing the step of shaping the plurality of insole sections for securable engagemet with the top side of the bottom insole layer includes the substep of shaping the materials to form a longitudinal arch section, a heel section, a top section, a metatarsal section, a base section, or any combination thereof.
14. A method for making a composite footwear insole as recited in claim 8 , wherein the step of including attachment members includes the substep of selecting hook components and loop components for attachment.
15. A method for making a composite footwear insole as recited in claim 8 , wherein the step of choosing one or more materials adapted to make a plurality of insole sections includes the substep of choosing the one or more materials from the group consisting of leather, neoprene. EVA foam, or any combination thereof.
16. A method for making a composite footwear insole as recited in claim 15 , wherein the step of choosing one or more materials adapted to make plurality of insole sections includes the substep of choosing for a toe section a material for a top layer selected from the group consisting of moleski, fur, polyester, satin, silk, or any combination thereof.
17. A method for making a composite footwear insole as recited in claim 15 , wherein the step of choosing one or more materials adapted to make a plurality of insole sections includes the substep of choosing for a heel section a material for a top layer selected from the group consisting of rubber, neoprene, EVA foam, or any combination thereof.
18. A method for forming components of a kit for assembling a composite footwear insole, comprising the step of:
selecting material to form a bottom layer having a top side;
selecting material to form a plurality of insole sections having an underside.
further comprising the substeps of selecting the material to provide different cushioning,
hardness, thickness and/or surface characteristics for either secure or removable attachment to the bottom insole layer;
providing means for attaching the top side of the bottom layer to the underside of the plurality of insole sections; and shaping the plurality of insole section for attachment to the bottom insole layer.
19. A method for forming components of a kit for assembling a composite footwear insole as recited in claim 18 , wherein the step of shaping the plurality of insole section for attachment to the bottom insole layer includes the substeps of:
providing at least one longitudinal arch section;
providing at least one heel section;
providing at least one toe section;
providing at least one metatarsal section; and/or
providing at least one base section.
20. A method for forming components of a kit for assembling a composite footwear insole as recited in claim 19 , wherein the step of providing means for attaching the top side of the bottom layer to the underside of the plurality of insole sections includes the substep of:
removably attaching the top side of the bottom layer to the underside of the plurality of insole sections; or
affixedly attaching the top side of the bottom layer to the underside of the plurality of insole sections; or
removably and affixedly attaching selected insole sections of the plurality of insole sections to the top side of the bottom layer.
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KR100933527B1 (en) * | 2009-06-04 | 2009-12-23 | 주식회사 트렉스타 | Insole of footwear |
US20100139121A1 (en) * | 2008-12-09 | 2010-06-10 | Red Wing Shoe Company, Inc. | Molded insole for welted footwear |
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CN113194774A (en) * | 2018-10-10 | 2021-07-30 | 伊芙琳福特股份有限公司 | Customizable footwear system |
Also Published As
Publication number | Publication date |
---|---|
US7210250B2 (en) | 2007-05-01 |
WO2006133382A1 (en) | 2006-12-14 |
US20060277796A1 (en) | 2006-12-14 |
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Legal Events
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