EP4117480A1 - Insole - Google Patents
InsoleInfo
- Publication number
- EP4117480A1 EP4117480A1 EP21704528.5A EP21704528A EP4117480A1 EP 4117480 A1 EP4117480 A1 EP 4117480A1 EP 21704528 A EP21704528 A EP 21704528A EP 4117480 A1 EP4117480 A1 EP 4117480A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- insole
- underside
- area
- foot
- shoe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000002683 foot Anatomy 0.000 claims description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 210000004744 fore-foot Anatomy 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 244000025254 Cannabis sativa Species 0.000 claims description 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 2
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 238000000071 blow moulding Methods 0.000 claims description 2
- 235000009120 camo Nutrition 0.000 claims description 2
- 235000005607 chanvre indien Nutrition 0.000 claims description 2
- 239000007799 cork Substances 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000011487 hemp Substances 0.000 claims description 2
- 229920005610 lignin Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229920000271 Kevlar® Polymers 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000004761 kevlar Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000264877 Hippospongia communis Species 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- A43B17/023—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient wedge-like
-
- 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
-
- 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
- A43B17/18—Arrangements for attaching removable insoles to footwear
-
- 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
- A43B7/1415—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 characterised by the location under the foot
- A43B7/142—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 characterised by the location under the foot situated under the medial arch, i.e. under the navicular or cuneiform bones
Definitions
- the invention relates to an insole which comprises an insole underside and an insole upper side, the insole underside being set up for at least partial contact with a shoe bottom and the insole top for at least partial contact with a foot sole.
- an orthopedic insole for correcting malpositions of the feet, for example by supporting the arch of the foot is known from the prior art.
- an insole base body is provided with a profile structure made of foam, which is made according to a footprint of the person for whom the insole is produced. Because a previous footprint is required, the known insole is very expensive and only intended for use by a single person.
- the present invention is based on the object of creating an insole of the type mentioned at the beginning, which can be produced in a particularly simple and cost-effective manner. Furthermore, the invention is based on the object of creating an insole which enables the joints of an insole wearer to be relieved of pressure and which can be worn by people with different foot shapes.
- the object is achieved in that at least one area is provided which has a concavity.
- At least one hollow arched area is provided, it is advantageous not to have to build a profile onto an insole base body, which enables simple manufacture.
- the insole Due to the hollow arching, the insole also acts in the manner of a plate spring designed as a single spring, which can cushion loads during use. This relieves the foot of an insole user and improves posture. Joints are also spared in the event of prolonged stress. A particularly good adaptability of the insole to different foot shapes is also advantageously possible.
- the shear floor can either only comprise the insole or an insole with at least one, in particular, functional insole that can absorb sweat, for example.
- an insole according to the invention is suitable for any type of shoe, it is particularly intended for use in flat shoes.
- a flat shoe is a shoe in which the height difference between the forefoot area and the heel area is a maximum of 5 cm, preferably less than 4 cm.
- the at least one hollow arched area is expediently provided for supporting the longitudinal arch of the foot, in particular the inner longitudinal arch of the foot.
- a foot is advantageously supported at the point at which a particularly high load occurs when moving.
- a cavity between the underside of the insole and the bottom of a shoe into which the insole is introduced is open on at least one side, preferably two sides. If the cavity is open on one side, this is preferably on the medial side, that is to say on the inside of the foot in the area of the inner longitudinal arch of the foot. If the cavity is open on both sides, this is preferably on the medial and the lateral side (outside of the foot). As a result, the outer longitudinal arch can also advantageously be supported.
- a spring force of the insole which acts in the manner of a plate spring and absorbs loads, can also be set.
- a second hollow arched area is provided which adjoins the first arched area in such a way that a cavity delimited by both areas extends from a medial to a lateral side of the insole.
- the first cavity can be provided for supporting the inner longitudinal arch of the foot, while the second cavity is provided for supporting the outer longitudinal arch of the foot or an outer side of the foot.
- the two cavities are separated by a wall which acts as a reinforcing means and which increases the rigidity of the insole.
- the insole is made in one piece. Production is advantageously particularly simple. There are no material transitions that could act as break points.
- the insole expediently has an essentially constant thickness.
- a substantially constant thickness means that a material thickness between an insole underside and an insole upper side is constant and changes by a maximum of 6.5% based on the thickness of an adjacent area that is thicker or thinner.
- a particularly light insole is advantageously formed. This means that it can be used in running shoes, for example for marathon competitions.
- At least one fastening means is provided which is set up to form a preferably releasable connection between the insole and a shoe into which the insole is introduced.
- the insole is releasably connected to the shoe bottom. It is advantageously ensured that the insole does not slip during use. This prevents blisters from forming on a foot and / or makes it uncomfortable to wear.
- a particularly hard insole for example for heavy people, can be created.
- the releasable connection is designed in such a way that a movement of the insole in a contact plane in which the insole rests on the shoe bottom is still possible when it is in use.
- a magnetic connection can be provided for this purpose, for example.
- a particularly soft insole is formed, which can also have a particularly good damping effect as a disc spring with free ends.
- the fastening means is expediently in a front area in which a forefoot can rest against the underside of the insole, in a central area on a side facing away from the at least one hollow arched area and / or in a rear area in which a heel can rest against the underside of the insole, attached and protrudes in particular from the underside of the insole.
- the fastening means is advantageously attached at points at which, during use, a particularly high pressure occurs through a wearer of the insole. In this way, an unintentional loosening of the connection is advantageously prevented.
- the fastening means protrudes from the underside of the sole, its effect as a damping means is possible.
- it can be formed from an elastomer and / or be honeycomb-shaped, for example.
- the fastening means can be designed in such a way that a movement of the insole in a contact plane in which the insole or the damping means is in contact with the shoe bottom is still possible during use.
- the fastening means is at least partially introduced into the insole and / or flush with the underside of the insole. Partial introduction into the insole is advantageously particularly stable. The partial or complete introduction is particularly advantageous if the fastening means is magnetic.
- the fastening means is already introduced during the manufacture of the insole, for example, it is molded in or molded onto it during injection molding.
- the fastening means comprises a multi-part, preferably two-part, magnetic fastening element.
- a magnetic holder is at least partially introduced into the insole, preferably flush with the underside of the insole.
- a magnetic counter holder is provided for attachment in or on the shoe bottom. The counter holder can be glued or sewn in, for example.
- the magnetic fastening elements ensure that the insole can be moved within a contact plane in which the insole rests against the shoe bottom, while movement in a direction perpendicular thereto is not possible due to attractive magnetic forces.
- the insole which acts in the manner of a disc spring with free ends, advantageously remains movable within the contact plane under load. A wearing comfort is improved.
- the insole can be used for applications with different levels of stress, for example in golf shoes or soccer shoes.
- the fastening means is set up to form a Velcro connection.
- At least one elastic, preferably mushroom-head-shaped pin protrudes from the underside of the insole and engages in recesses in one shoe bottom to form a detachable plug connection.
- a first fastening means for forming a Velcro connection can be provided in a forefoot area and a magnetic fastening means in a heel area.
- the at least one hollow arched area expediently has a reinforcing means which is preferably formed from a different material than the insole.
- a spring constant of the insole acting in the manner of a disk spring can advantageously be set particularly well.
- a stiffness of the insole can be increased, in particular in areas.
- the at least one hollow arched area has a reinforcing means which is introduced into the insole and is flush with the underside of the insole
- the at least one hollow arched area in one embodiment of the invention has a reinforcing means which is preferably formed in one piece on the insole , and / or is molded into the insole.
- the reinforcing means is advantageously provided for those areas in which a particularly high load occurs when the insole is used.
- a reinforcement means can be, for example, a single-layer metallic leaf spring or a single-layer or multi-layer leaf spring formed from carbon, Kevlar or a fiber composite material.
- the reinforcement means can have various shapes, for example X or T-shaped.
- the reinforcement means can be attached in an exchangeable and / or detachable manner.
- the insole can advantageously be used for various purposes.
- one reinforcement means can be provided for use of the insole in a soccer shoe and another for use in a leisure shoe such as a sneaker.
- the insole has a modular design and comprises a basic insole that can be expanded and / or individualized by modules such as a reinforcement means and / or a fastening means.
- the insole is expediently made of a plastic, in particular polyethylene, polypropylene, a natural raw material, for example wood or cork, and / or a material that includes lignin and / or hemp fibers. Natural raw materials are particularly preferred. This creates a sustainable insole.
- the insole is manufactured or can be manufactured by injection molding, extrusion, deep drawing and / or blow molding. Inexpensive production is advantageously possible. Each of these methods is also advantageous for Production of a one-piece insole or an insole onto which, for example, a reinforcing means is molded, is particularly suitable.
- the insole can be moved in a contact plane on which the insole rests on the shoe bottom. Only a movement with a movement component perpendicular to the contact plane can be prevented, for example by a fastening means.
- An insole acting in the manner of a disc spring is advantageously designed with spring arms, which has particularly good damping properties.
- FIG. 1 shows a first embodiment of an insole according to the invention in several views
- FIG. 2 shows another embodiment of an insole according to the invention
- FIG. 3 shows details of an insole according to the invention
- FIG. 4 shows another embodiment of an insole according to the invention
- FIG. 5 shows a particular embodiment of an insole according to the invention.
- An insole (1) for a left shoe, shown in a plan view in FIG. La, is made of polypropylene (PP) and comprises an insole upper side (2) against which an insole user's foot, not shown in FIG. La, can rest when in use.
- PP polypropylene
- An insole (1) shown in a side view of an inside in Fig. Lb shows a hollow arched area (3) which delimits a cavity (4) which is delimited by an insole underside (5) and an insole (6), shown schematically in dashed lines .
- a contact plane (9) is formed on which the underside of the insole (5) rests against the insole (6).
- the hollow arched area (3) is provided to support the longitudinal arch of a foot. Furthermore, the cavity (4) is open on two sides, both on the medial (10) and on the lateral side (11), and extends continuously from the medial to the lateral side.
- a thickness (12) of the insole is essentially constant, that is to say a distance from the insole upper side (2) to the insole underside (5) is the same everywhere except for a maximum deviation of 6.5%.
- the position of the insole (1) shown in FIG. 1b is a basic position in which there is no load from the weight of a person using the insole (1).
- the insole (1) When loaded, the insole (1) acts like a disc spring designed as a single spring.
- Spring arms (13, 14) rest against the insole (6) in the forefoot (7) and heel area (8) and can be moved in the contact plane (9), while the cavity (4), which is located below a plate area, is reduced in that the curvature is pressed by the load in the direction of an arrow (15).
- FIG. 2 where parts that are the same or have the same effect are designated by the same reference number as in FIG. 1 and the letter a is added to the relevant reference number.
- An insole (la) shown in FIG. 2 differs from that shown in FIG. introduced magnetic counter holder (17) enables a detachable connection of the insole (la) with the insole (6a).
- Spring arms (13a, 14a) can be moved in a contact plane (9a).
- the connecting element (16) in a basic position of the insole (la) shown in FIG. 2 lies over the entire surface of the counter holder (17), this is not absolutely necessary.
- the partial contact shown in FIG. 2 with the counter holder (17) at a rear end (18) ensures that the insole (la) cannot slip in the unloaded state.
- a particularly simple correction of a position in the shoe before use is advantageously possible.
- Under load a surface forming the contact plane (9a) with which the connecting element (16) rests against the counter holder (17) is enlarged. As a result, a connection that becomes more stable is formed as the load increases.
- the insole (la) is advantageously prevented from slipping in the shoe when the load is applied, since the ends (13a, 14a) have fewer degrees of freedom as the load increases.
- FIG. 3 where parts that are the same or function in the same way are denoted by the same reference numbers as in FIGS. 1 and 2 and the letter b is added to the relevant reference number.
- a connecting element (16b) shown in a top view in FIG. 3a is formed from flexible magnetic ribs (19, 20), of which the ribs (19) extend transversely, i.e. from the medial to the lateral side, and the ribs (20 ) longitudinal, i.e. with a directional component predominantly in the longitudinal direction of a foot.
- Honeycombs (21) are formed between the ribs (19, 20).
- the flexible magnetic ribs (19, 20) are formed from an elastomer in which magnetic elements (not shown in FIG. 2) are embedded.
- a magnetic counter-holder (17b) shown in a top view in FIG. 3b comprises a housing (22) formed from an elastic material such as foam rubber, into which a magnetic counter-holder element (23) is introduced.
- the shape of the counter-holder element (23) and the connecting element (16b) are identical.
- FIG. 4 where parts that are the same or function in the same way are denoted by the same reference numbers as in FIGS. 1 to 3 and the letter c is added to the relevant reference number.
- An insole (1c) shown in FIG. 4 differs from the one shown in FIGS. 1b and 2 in that a flexible magnetic connecting element (16c, 24 ) is attached to the underside of the insole and a total of two magnetic counterholders (17c, 25) are provided.
- FIG. 5 where parts that are the same or function in the same way are denoted by the same reference numbers as in FIGS. 1 to 4 and the respective reference number is accompanied by the letter d.
- An insole (1d) shown in Fig. 5a and b differs from that shown in Fig. 1 to 4 in that a reinforcement means (26) made of Kevlar is provided, which in this embodiment is formed in an x-shape, completely in the insole (ld) is introduced and its shape is adapted to the contour of the insole (ld) in a hollow arched area (3d).
- the reinforcement means increases the rigidity in the hollow arched area (3d).
- the reinforcement means (26) is introduced at a different point on the insole, has a different shape and / or is made of a different material. Furthermore, it is conceivable that the reinforcing means can be releasably attached to the insole (1d) and / or can be exchanged.
- an insole (1d) shown in FIG. 5b can have flexible magnetic connecting elements (16c, 24) according to FIG. 4.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020106260.5A DE102020106260A1 (en) | 2020-03-09 | 2020-03-09 | Insole |
PCT/EP2021/053210 WO2021180409A1 (en) | 2020-03-09 | 2021-02-10 | Insole |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4117480A1 true EP4117480A1 (en) | 2023-01-18 |
Family
ID=74587059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21704528.5A Pending EP4117480A1 (en) | 2020-03-09 | 2021-02-10 | Insole |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4117480A1 (en) |
DE (1) | DE102020106260A1 (en) |
WO (1) | WO2021180409A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202022002319U1 (en) | 2022-10-28 | 2022-11-16 | Achim Helbig | Undersole for shoe bottom |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2034300C (en) | 1990-02-16 | 1998-04-14 | Dennis N. Brown | Orthotic insert for shoes |
WO2005039339A2 (en) | 2003-10-20 | 2005-05-06 | Angela Singleton | High-heeled fashion shoe with comfort and performance enhancement features |
EP2031995A4 (en) * | 2006-06-09 | 2012-11-21 | Kevan Orvitz | An orthopedic foot appliance |
JP2018516118A (en) * | 2015-05-28 | 2018-06-21 | インプラス フットケア、エルエルシー | Contour support insoles |
TWI675629B (en) | 2017-10-27 | 2019-11-01 | 劉懿賢 | A tunable rigidity insole with interchangeable stiffeners |
AU2019364978A1 (en) | 2018-10-10 | 2021-05-20 | Evelyn Ford, Inc. | Customizable footwear system |
-
2020
- 2020-03-09 DE DE102020106260.5A patent/DE102020106260A1/en active Pending
-
2021
- 2021-02-10 WO PCT/EP2021/053210 patent/WO2021180409A1/en active Application Filing
- 2021-02-10 EP EP21704528.5A patent/EP4117480A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE102020106260A1 (en) | 2021-09-09 |
WO2021180409A1 (en) | 2021-09-16 |
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Ipc: A43B 7/142 20220101ALI20240313BHEP Ipc: A43B 1/00 20060101ALI20240313BHEP Ipc: A43B 17/18 20060101ALI20240313BHEP Ipc: A43B 17/02 20060101AFI20240313BHEP |