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EP0791303A2 - Semelle première - Google Patents

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Publication number
EP0791303A2
EP0791303A2 EP97102513A EP97102513A EP0791303A2 EP 0791303 A2 EP0791303 A2 EP 0791303A2 EP 97102513 A EP97102513 A EP 97102513A EP 97102513 A EP97102513 A EP 97102513A EP 0791303 A2 EP0791303 A2 EP 0791303A2
Authority
EP
European Patent Office
Prior art keywords
layer
insole
insole according
layers
superabsorbent
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.)
Withdrawn
Application number
EP97102513A
Other languages
German (de)
English (en)
Other versions
EP0791303A3 (fr
Inventor
Ueli Luethi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TESSAG AG
Original Assignee
TESSAG AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TESSAG AG filed Critical TESSAG AG
Publication of EP0791303A2 publication Critical patent/EP0791303A2/fr
Publication of EP0791303A3 publication Critical patent/EP0791303A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/0045—Footwear characterised by the material made at least partially of deodorant means
    • 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
    • A43B17/10—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined specially adapted for sweaty feet; waterproof
    • A43B17/102—Moisture absorbing socks; Moisture dissipating socks

Definitions

  • the invention relates to an insole according to the preamble of patent claim 1.
  • Insoles of this type are used in shoes of all kinds, for example in street shoes, in tumbled and sports shoes, in professional shoes and in boots, each made of any material.
  • the insoles serve to increase the wearing comfort of the shoe in various ways, for example by deafing an adaptation of the size and shape of the shoe to a foot, by their shape giving the shoe certain orthopedic properties by exerting a heat-insulating effect, by causing a desired hardness or softness of the contact surface of the foot or by developing a sweat-absorbing, deodorising, fungicidal or bacteriostatic effect.
  • insoles that are easily exchangeable can also help to ensure that shoes can remain in use for longer without their interior becoming unsightly and unsanitary.
  • Insoles of the type mentioned are known in various designs. For example, there are insoles made of leather, film-like or porous plastic, cork, felt, textile and metallic material.
  • the previously known insoles comprise one or more layers, and the layers can be mutually attached by sewing, gluing or pressing. Some insoles extend over the entire area of the foot, while others are only intended for partial areas of the foot, for example the ball of the foot, the arch or the heel.
  • the insoles can be flat and relatively thin or thicker and orthopedically shaped.
  • insoles of this type are not very dimensionally stable and in particular have a tendency to deform when drying. For this reason, attempts have been made to create relatively stiff, dimensionally stable soles from only little moisture-absorbing material, which are provided on their upper side which forms the base for the foot with a layer of a more absorbent material made of a plastic fleece.
  • Such insoles have several disadvantages: firstly, their layer lying against the foot is made of a plastic and is therefore not skin-friendly; secondly, the superabsorbent layer lies directly on the sole of the foot, so that the sole of the foot gets wet in a short time, which is what we tried to avoid; thirdly, the layer attached to the foot is not abrasion-resistant and therefore not durable and is quickly damaged as a result of the abrasion of the foot, which on the one hand makes the insole unusable and on the other hand there is a risk of blisters or sores on the foot, both due to the prevailing moisture and also from particles rubbed off from the top layer.
  • the insole according to the invention comprises at least three flexible layers fastened to one another, the lowest of which rests on the sole structure of a shoe and the uppermost on the sole of the wearer's shoe.
  • the bottom layer is made of a dimensionally stable but practically non-absorbent and generally not necessarily skin-friendly material.
  • the top layer consists of an abrasion-resistant, liquid-permeable and skin-friendly material, but is neither particularly absorbent nor especially dimensionally stable.
  • the middle layer has a high absorbency, but practically no dimensional stability and no abrasion resistance.
  • the bottom layer ensures dimensional stability, the top layer for skin friendliness and the middle layer for absorbency.
  • the combination of the three layers results in a sandwich-like insole that combines the desired properties of the three layers and meets all requirements.
  • the top layer touching the foot is particularly skin-friendly; its abrasion resistance not only protects the foot but is also durable; It absorbs moisture from the foot to a small extent, just enough to feel skin-friendly, but thanks to its moisture permeability, it conducts moisture primarily to the middle layer.
  • This middle, highly absorbent layer is able to absorb large amounts of moisture; it does not pass the moisture on to the bottom layer, since the latter is practically non-absorbent.
  • the bottom layer ensures the shape of the insole, and since it absorbs practically no moisture, it also does not wet the sole structure of the shoe, but stays dry, which means that the shoe remains attractive and wears less quickly on the inside.
  • the insole according to the invention can contain further layers between the lower and the superabsorbent layer and / or between the superabsorbent and the upper layer, which can serve various purposes, for example moisture absorption, heat insulation or dimensional stability, each being arranged above the superabsorbent layer another layer must be permeable to liquid so that the moisture released by the foot can reach the highly absorbent layer.
  • each layer arranged under the superabsorbent layer is advantageously designed such that it has a certain liquid permeability.
  • the layers of the insole which are arranged above or below the superabsorbent layer and which themselves have less or no absorbency are liquid-permeable, they have openings, for example in the form of punched holes.
  • the permeability and flexibility of these layers can be adapted to the local requirements within the insole by the number, size and distribution of the openings.
  • the new insole can be designed so that the highly absorbent layer extends over a partial area of the sole of the foot, in particular the ball of the foot and possibly the heel, since these areas emit the most sweat.
  • the superabsorbent layer preferably extends over the entire surface of the insole.
  • the different layers must be attached to each other. This can be done by sewing them together, which can only be done in the area of the sole edge or in the manner of a quilting.
  • the layers can also be connected additionally or exclusively by gluing, the glue preferably being distributed at points, since otherwise it forms a moisture barrier in the shoe.
  • a particularly suitable way of attaching the layers of the insole to one another is to design the top and bottom layers so that they have an edge area in which the top or bottom layer with recesses or openings is provided, while the lowermost or the uppermost layer receives appropriately designed and arranged projections, which in the assembled state enter the mentioned recesses or openings and are held there non-positively and / or positively, to a certain extent in the manner of push buttons.
  • the mutual fastening is improved if the projections are designed in the manner of small barbs.
  • the edge region of the uppermost layer can be formed above the other layers.
  • the bottom layer which gives the new insole its dimensional stability, is preferably made from a suitable plastic.
  • Layered soles for street shoes generally have flat, foil-like bottom layers.
  • the insoles can also contain preformed, three-dimensional bottom layers in a suitable manner, which form an actual sole substructure.
  • a sole substructure can be produced, for example, by casting or pressing, so that there is practically no material waste during its production, in contrast to production by cutting from prefabricated material strips or webs.
  • insoles can be manufactured to a certain extent, to a certain extent, for a specific wearer, in that a footprint of the wearer, possibly with the desired orthopedic corrections, can be poured out; Such a custom-made insole can then be placed in a mass-produced shoe, so that one does not get a mass-produced product, but at least a shoe in a kind of made-to-measure at an affordable price.
  • top layer natural materials such as leather being generally preferred; but other materials such as cork or felt could also be used.
  • the superabsorbent layer can be made from various materials.
  • a natural cellulose material is particularly suitable for this purpose; Fiber materials in the form of woven, knitted, knitted or nonwoven fabrics are favorable.
  • the highly absorbent layer is impregnated, for example with bacteriostatic, fungicidal or deodorant Means. In this way you get an insole that is not only skin-friendly and comfortable but also hygienically perfect.
  • the insole 10 shown in FIGS. 1A and 1B is an essentially flat or two-dimensional insole, as is used primarily in street shoes.
  • the insole comprises three layers, namely a bottom layer 12 , a middle layer 14 and a top layer 16 .
  • the bottom layer 12 is a dimensionally stable layer made of a suitable, flexible, practically non-absorbent plastic.
  • the outward-facing surface of the lowermost layer 12, which is intended to rest on a sole structure of a shoe, is smoother than its inward-facing surface lying against the middle layer 14 , thereby avoiding that the bottom layer 12 and the middle layer 14 shift relative to each other; In this way, the risk is reduced that the middle layer 14, which is very flexible, especially when wet, folds or crumples. So that the bottom layer 12 is permeable to liquid, it has openings in the form of regularly distributed, circular perforations 13 .
  • the middle layer 14 is the superabsorbent layer of the insole 10 . It consists of a cellulose fleece and is impregnated with a deodorant.
  • the uppermost layer 16 is intended to lie against the sole of a wearer of the shoe. It is made of thin leather and is therefore skin-friendly as well as scrub or abrasion-resistant and it has a certain absorbency, which is, however, significantly less than the absorbency of the superabsorbent, middle layer 14. Like the bottom layer 12, the top layer also Layer 16 has openings in the form of circular perforations 17A, 17B . These perforations 17A, 17B are not regularly distributed over the entire surface of the insole 10 , but are predominantly in the area of the ball of the foot and in the area of the heel, that is, below those areas of the foot which secrete the most sweat. In the present exemplary embodiment, the highly absorbent layer 14 extends over the entire area of the insole 10 ; but it would also be possible to provide a smaller middle layer that would only extend over a partial area of the insole.
  • the bottom layer 12 and the top layer 16 have the same shape and size, while the middle layer 14 is somewhat smaller, so that edge regions of the bottom layer 12 and the top layer 16 protrude beyond the middle layer 14 .
  • the lowermost layer 14 and the uppermost layer 16 are fastened to one another at these edge regions, specifically by means of a seam 18 which is at a short distance from the edge of the insole 10 and extends along the entire edge of the insole 10 .
  • the insole 20 partial shown in FIG. 2 is substantially the same construction as the insole 10 shown in Fig. 1 A and Fig. 1 B, but has, in addition to a lowermost layer 22, a superabsorbent layer 24 and a top layer 26 a further layer 28 , which is made of a suitable cellulose fiber fleece. It is obvious that the further layer 28 must be permeable to moisture.
  • FIG. 3 shows a third insole according to the invention, with a lowermost layer 32, a highly absorbent layer 34 and an uppermost layer 36, as well as with a further layer 38, which is made of a dimensionally stable plastic and is arranged below the highly absorbent layer 34 .
  • Layers 32, 38 and 36 can have openings like layers 12 and 36.
  • a fourth insole 40 according to the invention is shown.
  • the insole 40 is an insole such as is used in particular in sports shoes.
  • the insole 40 comprises three layers, namely the bottom layer 42, the middle layer 44 and the top layer 46.
  • the lowermost layer 42 is designed as a three-dimensional, orthopedically shaped sole substructure, which gives the insole 40 a high level of dimensional stability even under heavy use.
  • an increase in the edge region of the rear part of the insole 40 is provided, the limitation of this stepless increase being indicated approximately by the line 41 .
  • the lowest layer 42 has openings 43 , the number, size and distribution of which are responsible for their moisture permeability;
  • the elastic bendability of the lowermost layer 42 can be influenced by the number, size and distribution of the openings 43 .
  • the openings 43 are not shown in FIG. 4C .
  • the middle, highly absorbent layer 44 is located above the lowermost layer 42 and consists of the same or a similar material as the superabsorbent layers 14, 24 and 34 of the insoles 10, 20 and 30. This material is sufficiently flexible to be under a suitable pressure to be deformed so that it conforms to or adheres to the shape of the lowermost layer 42 .
  • the uppermost layer 46 is made of a thin material and has a low absorbency and a high liquid permeability in order to supply the sweat secreted from the foot of the wearer to the highly absorbent layer 44 .
  • the sole 40 can also contain further layers.
  • the sole substructure forming the bottom layer 42 is made of a suitable plastic. This plastic is cast into the desired shape by casting.
  • FIGS. 4A and 4B finally shows a new way of mutually fastening the layers 42 and 46, details of which are also visible in FIGS. 4A and 4B .
  • the layer 42 has projections 52 along its edge region, which are designed in the manner of small barbs. Accordingly, the layer 46 has recesses 56 , in which the projections 52 engage.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP97102513A 1996-02-20 1997-02-17 Semelle première Withdrawn EP0791303A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH44096 1996-02-20
CH440/96 1996-02-20

Publications (2)

Publication Number Publication Date
EP0791303A2 true EP0791303A2 (fr) 1997-08-27
EP0791303A3 EP0791303A3 (fr) 1998-02-11

Family

ID=4187084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97102513A Withdrawn EP0791303A3 (fr) 1996-02-20 1997-02-17 Semelle première

Country Status (1)

Country Link
EP (1) EP0791303A3 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2154557A1 (es) * 1998-08-18 2001-04-01 Corredor Joaquin Gijon Aplicacion de la piel de conejo curtida y rasada en la confeccion de plantillas para los pies.
WO2002063987A1 (fr) * 2001-02-15 2002-08-22 Abraham Garcia Ruiz Semelle interieure sandwich thermoformee pour chaussure
EP1314370A1 (fr) * 2001-11-27 2003-05-28 Christian Birkenstock Semelle de chaussure
EP1472945A3 (fr) * 2004-02-05 2005-11-23 SARA Lee/DE N.V. Semelle intérieure et conteneur pour semelles intérieures
WO2008046936A1 (fr) * 2006-10-17 2008-04-24 Abraham Garcia Ruiz Semelle intérieure pour chaussure
EP2308335A1 (fr) * 2009-10-09 2011-04-13 Salzenbrodt GmbH & Co. Kg Semelle intérieure
EP2130448A4 (fr) * 2007-03-12 2013-02-27 Noveko Trading 2008 Llc Matériau multifonctionnel pour chaussures auto-nettoyant et prenant soin de la santé de l'utilisateur

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH122342A (de) * 1927-02-14 1927-09-01 Kovacs Josef Einlegesohle.
FR982290A (fr) * 1949-03-03 1951-06-08 Perfectionnements apportés aux dispositifs protecteurs contre la transpiration
FR1369246A (fr) * 1963-07-30 1964-08-07 Coussin absorbant particulièrement pour semelles et son procédé de fabrication
DE2631813A1 (de) * 1976-07-15 1978-01-19 Emsold Ges Gert Helmers Einlegesohle
DE2812474A1 (de) * 1978-03-22 1979-09-27 Bama Werke Curt Baumann Einlegesohle fuer schuhe
DE3146179A1 (de) * 1981-11-21 1983-06-01 Hasso von 4000 Düsseldorf Blücher "schuheinlage fuer sicherheitsschuhe"
US4461099A (en) * 1983-02-28 1984-07-24 Bailly Richard Louis Molded odor-absorbing laminate
SE8401011L (sv) * 1984-02-24 1985-08-25 Nordifa Ind Ab Inleggs- eller bindsula
CH669892A5 (fr) * 1985-08-08 1989-04-28 Flawa Schweiz Verband Wattefab
US4864740A (en) * 1986-12-22 1989-09-12 Kimberly-Clark Corporation Disposable hygienic shoe insole and method for making the same
FR2629692A1 (fr) * 1988-04-06 1989-10-13 Saprimac Ste Nouvelle Premiere de confort et de proprete amovible pour chaussures notamment chaussures de sport ou loisirs et procede de fabrication d'une telle premiere
JPH0710564Y2 (ja) * 1992-12-28 1995-03-15 秀雄 宮内 中敷き

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2154557A1 (es) * 1998-08-18 2001-04-01 Corredor Joaquin Gijon Aplicacion de la piel de conejo curtida y rasada en la confeccion de plantillas para los pies.
WO2002063987A1 (fr) * 2001-02-15 2002-08-22 Abraham Garcia Ruiz Semelle interieure sandwich thermoformee pour chaussure
EP1314370A1 (fr) * 2001-11-27 2003-05-28 Christian Birkenstock Semelle de chaussure
EP1472945A3 (fr) * 2004-02-05 2005-11-23 SARA Lee/DE N.V. Semelle intérieure et conteneur pour semelles intérieures
WO2008046936A1 (fr) * 2006-10-17 2008-04-24 Abraham Garcia Ruiz Semelle intérieure pour chaussure
CN101404908B (zh) * 2006-10-17 2011-11-09 亚伯拉汉·加西亚·路易斯 鞋垫
EP2095733A4 (fr) * 2006-10-17 2014-10-29 Ruiz Abraham Garcia Semelle intérieure pour chaussure
EP2130448A4 (fr) * 2007-03-12 2013-02-27 Noveko Trading 2008 Llc Matériau multifonctionnel pour chaussures auto-nettoyant et prenant soin de la santé de l'utilisateur
EP2308335A1 (fr) * 2009-10-09 2011-04-13 Salzenbrodt GmbH & Co. Kg Semelle intérieure

Also Published As

Publication number Publication date
EP0791303A3 (fr) 1998-02-11

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