EP0387268A1 - Semelle interieure moulee a support incline, notamment structure composite comprenant ladite semelle et une semelle exterieure. - Google Patents

Semelle interieure moulee a support incline, notamment structure composite comprenant ladite semelle et une semelle exterieure.

Info

Publication number
EP0387268A1
EP0387268A1 EP88909516A EP88909516A EP0387268A1 EP 0387268 A1 EP0387268 A1 EP 0387268A1 EP 88909516 A EP88909516 A EP 88909516A EP 88909516 A EP88909516 A EP 88909516A EP 0387268 A1 EP0387268 A1 EP 0387268A1
Authority
EP
European Patent Office
Prior art keywords
sole
molded
foot
outsole
shaped
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.)
Granted
Application number
EP88909516A
Other languages
German (de)
English (en)
Other versions
EP0387268B1 (fr
Inventor
Karl Birkenstock
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT88909516T priority Critical patent/ATE81583T1/de
Publication of EP0387268A1 publication Critical patent/EP0387268A1/fr
Application granted granted Critical
Publication of EP0387268B1 publication Critical patent/EP0387268B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • A43B7/141—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 having an anatomical or curved form
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • 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
    • A43B13/18—Resilient soles
    • A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials
    • 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
    • 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
    • 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
    • A43B7/144—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 heel, i.e. the calcaneus bone

Definitions

  • the present invention relates to a shaped foot sole with a cup-shaped foot bed on the foot side and a substantially flat bottom side to be connected to the upper side of the outer outsole, and a composite construction of such a shaped foot sole and outer outsole.
  • Such shaped foot soles have a tread surface for the foot on their upper side, which is designed as a shell-shaped foot bed, and thus has beads and depressions which, in the longitudinal direction and transverse direction of the foot bed, shell shapes for the heel part, ball area, toe area, forefoot , form the midfoot and the longitudinal arch of the foot.
  • the side panels of the foot bed support the entire foot surface, which is directed downwards or visible from below in a vertical projection, from below and from the side.
  • the side shells of the footbed have almost vertically sloping inner side walls with steeply sloping footbed edges.
  • the foot bed contributes to the limbs and bones of the foot are held in their natural anatomical position during the static and dynamic forces acting when walking and standing or are gradually brought back into such a position. Since the foot bed keeps the foot in its natural position, weakened muscles of the foot are strengthened so that they can keep the foot in its original shape.
  • the material of such a shaped foot sole is relatively soft and elastic despite the necessary shape stability of the shell shape, 90% by weight natural cork with natural latex being processed into a very flexible, light and soft cork / latex sole in a known shaped foot sole, which has a high support effect unfolding foot bedding.
  • This shaped sole of the foot is laminated from above and below with support fabric made of jute and linen in order to stabilize the very sensitive cork material. In addition, this cork-shaped sole is covered with suede.
  • Such shaped soles are used both in sandals and in shoes, in particular health shoes. They are also used as orthopedic foot and shoe insoles, whereby they form fully plastic inserts made of composite materials, in the surface of which the cup-shaped foot bed is molded.
  • the invention therefore aims to design shaped foot soles of the type mentioned at the beginning or composite constructions from such a shaped sole and outer outsole in such a way that better foot support, in particular Regarding horizontal forces is possible, which become effective during walking in the plane or on slopes due to the dynamic loading of the footbed. It should the vertical and horizontal forces acting on the shaped foot sole are absorbed in such a way that the pressure concentration on the outer edge areas of both the shaped foot sole and the outer outsole is reduced, thus increasing the durability of the shoe and serving the orthopedic purposes The shape of the footbed is retained for longer.
  • the foot-shaped sole or the outer outsole is provided with an oblique support on the side of the footbed edges to absorb horizontally acting forces, so that the side shells of the shell-shaped footbed have an at least partially circumferentially formed support area, which in this respect has the pointed and narrow footbed edges laterally stabilized.
  • the pressure concentration on the outer edge areas of the outsole and the shaped foot sole is reduced to a fraction by the inclined support, which also results in increased durability.
  • the footbed in its form according to the invention can be formed from a highly elastic, soft plastic, for example a foamed material based on a polyolefin, an ethylene-co-vinyl acetate, a PVC, a natural rubber or a synthetic rubber or also polyurethane.
  • a highly elastic, soft plastic for example a foamed material based on a polyolefin, an ethylene-co-vinyl acetate, a PVC, a natural rubber or a synthetic rubber or also polyurethane.
  • Figure 1 A cross-sectional view of a shaped foot sole with inclined support with outsole attached to the underside or Bo.deA side of this sole with a relief-like profiled underside;
  • FIG. 2 The arrangement of the molded sole and the outsole according to FIG. 1 on an inclined surface under static load, that is to say while standing, indicating a foot which is angled in the cup-shaped footbed against the inclined outer surface;
  • FIG. 3 A cross-sectional view of the arrangement according to FIG. 2 now on a flat lower surface, the loading of the left side shell of the foot bed by horizontal forces being represented by an arrow, which occurs when the sole of the foot is dynamically loaded during the
  • Figure 4 A cross-sectional view of the lateral area of a molded foot sole with vertically superimposed outer side edges of the foot side and the bottom side, indicating the only slight support effect of the side shell of the foot bed, whereby due to the side pressure an emerging deflection is indicated, as well as that on the outer edge the outsole has an extremely high pressure concentration under these lateral loads;
  • FIG. 5 A cross-sectional view of the edge area of the molded sole according to FIG. 4 when an external inclined support is applied;
  • Figure 6 An outer contour of the bottom side of the shaped foot sole according to the previous version with vertical support of the footbed edges with simultaneous representation of the outer contour of a shaped foot sole with angled support, the enlargement of the bottom side of the shaped foot sole or the tread of the outsole, particularly in the heel area , can be recognized;
  • FIG. 7 A schematic cross section through the arrangement of a molded sole and outsole with and without lateral inclined support, showing the larger contact area that can be achieved by the inclined support and the better ground contact of the foot in the footbed;
  • Figure 8 In a schematic representation, the cross-sectional representation of a second preferred embodiment of the invention, in which the areas outside the footbed edges of the cup-shaped footbed, which are at least partially circumferentially laid out laterally, are not formed on the side of the sole of the foot, but on the outer edge areas the outsole and thereby extend upward to the shaped foot sole and at least partially enclose and support its side walls in a force-fitting manner.
  • the outer regions (4, 5) of the molded foot sole molded on the side of the circumferential foot bed edge (6) or on the side of the cup-shaped foot bed (2) can be clearly seen (1).
  • These areas (4, 5) are hatched for Verdeu Lichung. It is there Easily recognizable that in the foot bed of a molded sole with such external support of the side wall areas of the shell-shaped foot bed (2) the foot is not only supported vertically, but also obliquely outwards.
  • the outer molded-on areas (4, 5) are designed with their outer side sloping downward from the footbed edges (6) so that the outer sole of the molded foot has an "inclined support".
  • the shaped foot sole (1) thus has side shells (7, 8) which are supported obliquely outwards towards the floor by the beveled molded areas (4, 5).
  • the foot area for the foot was initially significantly larger all around the entire contour of the shoe than the bottom side of the shaped sole, or, according to a more recent embodiment, with the side walls of the shaped sole running vertically.
  • the inclined support results in a larger bottom side of the shaped sole or a larger contact area of the outsole and the rest a much greater "bending resistance" of the side walls of the new shape of the sole of the molded foot with angled support compared to the old shape without such an inclined support.
  • FIG. 2 shows that in the case of an inclined floor, an effective support of the foot in the side shells can only take place if the side shells themselves are supported towards the floor by the outer molded and beveled areas.
  • the shaped foot sole (1) shown in the drawings is made of a cork latex material with 90% by weight natural cork, the "latex portion" in particular resulting in a highly elastic, dimensionally stable, soft foot bed in the shell-shaped foot bed (2). results. Due to the use of the high natural cork content of 90%, the molded foot sole (1) is extremely light, with the latex content ensuring that the natural cork material is held together securely. As the outer support fabric, the shaped foot sole (1) has a jute fabric (16) which is applied from the outside over the entire cork / latex shaped foot sole. (See Figure 6)
  • the outer contour of the molded sole (1) and the course of the lateral inclined support (4, 5) can be seen clearly from FIG. 6.
  • the size of the previous shaped foot sole without lateral support of the foot bed edges according to the inner contour line is shown schematically in a top view of the top or tread surface (9) of the shaped foot sole, the outer contour line representing the course of the lateral inclined support according to the invention ( 4, 5) clarifies.
  • This inclined support (4, 5) is coherent and begins in the front area of the shaped foot sole (1) at the shell shape (15) for the ball area of the foot and then runs to the rear area of the shaped foot sole around the shell shape (14) of the heel area.
  • On the back of the shell shape (14) of the heel part is the oblique support of constant width (approx.
  • FIG. 7 shows the significantly lower "bending strength" of the side walls of the side shells (7, 8) in the case of vertically extending side walls according to the previous embodiment of the shaped foot sole with the same size foot side and bottom side compared to the "bending strength" of the shaped foot sole with inclined support.
  • the curve profile shown in FIGS. 4 and 5 corresponds approximately to the pressure profile up to the outer side edge of the outsoles with and without inclined support. It can be clearly seen that, according to FIG. 5, the pressure concentration on the outermost edges of the outsoles is considerably reduced compared to the extremely high pressure concentration according to FIG. 4 (vertical support) in the case of the inclined support according to the invention when lateral loads occur. Through the oblique support these pressure forces are dissipated in front of the outermost edges, the pressure occurring due to the horizontal forces being distributed over a large area of the outsole to the inside. As a result of that the inclined support thus reduces the pressure concentration to a fraction and the pressure load is largely distributed over the side areas inwards over the outsole, which increases the durability of the outsole and the molded foot sole.
  • a significant further advantage of a molded foot sole with angled support is that, despite the support function to be achieved by the foot bedding, the molded foot sole can be produced from a highly elastic and soft material and thus not only appears light, but also extremely comfortable on the feet during the walk .
  • a highly elastic and soft material has so far not been used in the case of molded insoles with obliquely inwardly drawn support or vertical support of the surrounding outer footbed edges, because in this case a considerable deflection of the side shells would result in side pressure.
  • the shaped foot sole can be made from a wide variety of materials, e.g. B. cork-latex mixtures, natural cork, thermo-cork or polyurethane foam.
  • B. cork-latex mixtures natural cork, thermo-cork or polyurethane foam.
  • the combination of a cork leather sole with soft foam pads or foam pads can also be done.
  • the shaped sole of the foot and the outsole can be molded in one piece in a particularly functional manner, an EVA material according to claim 15 or a high-quality polyurethane material preferably being used.
  • Another particular advantage of the molded sole with a circumferential, molded in one piece with the molded sole Inclined support consists in the significantly increased fatigue strength of the molded sole.
  • Such shaped foot soles can also be used as such for rubber boots, military shoes and hiking boots.
  • the laterally formed areas (4, 5) which serve to support the foot bed (2) at an angle can of course be designed in a wide variety of designs.
  • the inclined supports can be omitted entirely or partially.
  • the lateral inclined support of the sole of the molded foot is formed by areas (27, 28) surrounding the molded foot sole (24) on the outer wall (31) thereof. These outer regions, which are positively connected to the outer wall (31) of the molded sole (24), are molded directly onto the outer edge regions of the outsole (25). (see Fig. 8)
  • Outsole (25) extend up to the shaped foot sole (24), so that the circumferential outer wall (31) of the shaped foot sole extends through the areas protruding upwards the.
  • Outsole (25) are included.
  • the outer outsole (25) is produced as a one-piece, coherent workpiece in the press mold with the molded-on outer areas (27, 28) forming an inclined support.
  • the same material can be used to form the outer lateral areas (27, 28) as the outsole, which has an extremely high abrasion resistance. Due to the flexural strength and the elasticity of the outsole material given within certain limits, optimal lateral support of the side shells of the shell-shaped foot bed (26) is achieved.
  • the lateral outer molded areas (27, 28) of the outsole (25) protrude with their upwardly tapering end section from the peripheral outer footbed edge (29) of the cup-shaped footbed (26). In this way it is possible to additionally stabilize the shaped sole of the foot in the upper region of the cup-shaped foot bed at the outer edge of the foot bed (29) surrounding it.
  • the outer sole (25) which is designed as a one-piece workpiece, and the outer regions (27, 28) molded onto it are connected to the molded sole (24) by gluing with an adhesive, such as is used to connect an outer sole (3 ) with the shaped foot sole (1) or is generally used to connect such shoe parts.
  • a closed-cell, foamed plastic material based on a polyolefin is used as the material of the molded foot sole (24), the material of the outer outsole and the regions (27, 28) molded onto it on the outside likewise consisting of such a plastic material, which is compressed after foaming in order to obtain the desired flexural strength and abrasion resistance.
  • a jute fabric is applied to the surface of these parts, as in the case of the molded sole (1).
  • the outer areas (27, 28) surrounding the entire heel area in the area behind the ball area have outer side walls which slope straight down to the level of the outsole (25) so that the molded areas (27, 28) in form right triangles on a cross-sectional plane perpendicular to the outsole.
  • the shaped foot sole (24) according to FIG. 8 and the shaped foot sole (1) according to FIG. 1 have, as indicated in FIG. 6, on the rear side shown there, that is to say the bottom side (10), towards the center of the sole extending longitudinal depressions (32,33). These open to the outer side walls (12, 13) of the molded sole (1,24) and below this to the bottom side (10, 30).
  • the longitudinal depressions are created in the area between the toe and ball area of the foot.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

Afin d'absorber les efforts horizontaux s'exerçant notamment, lors de la sollicitation dynamique d'une chaussure ou d'une sandale, sur la semelle intérieure moulée (1), celle-ci ou la semelle extérieure (3) à laquelle elle est reliée comprennent du côté des bords (6) de la semelle intérieure concave (2) un support externe incliné sous forme de parties (4, 5) en plastique conformées latéralement à l'extérieur et continues au moins en partie. La semelle moulée (1) se compose dans la région de la semelle intérieure concave (2) d'un matériau souple très élastique, l'effet de support latéral qui empêche la flexion vers l'extérieur de la semelle intérieure concave (2), notamment au niveau de son bord supérieur (6), étant assuré par la conception et un choix approprié des matériaux qui composent les zones conformées de support. La surface d'appui (9) du pied dans la semelle intérieure concave (2) est indirectement augmentée par l'accroissement de la surface (19) de la semelle extérieure ou du côté inférieur (10) de la semelle moulée (1).
EP88909516A 1987-11-13 1988-11-11 Semelle interieure moulee a support incline, notamment structure composite comprenant ladite semelle et une semelle exterieure Expired - Lifetime EP0387268B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88909516T ATE81583T1 (de) 1987-11-13 1988-11-11 Fussformsohle mit schraegabstuetzung, insbesondere verbundkonstruktion daraus mit einer aeusseren laufsohle.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3738530 1987-11-13
DE19873738530 DE3738530A1 (de) 1987-11-13 1987-11-13 Fussformsohle mit schraegabstuetzung

Publications (2)

Publication Number Publication Date
EP0387268A1 true EP0387268A1 (fr) 1990-09-19
EP0387268B1 EP0387268B1 (fr) 1992-10-21

Family

ID=6340402

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88909516A Expired - Lifetime EP0387268B1 (fr) 1987-11-13 1988-11-11 Semelle interieure moulee a support incline, notamment structure composite comprenant ladite semelle et une semelle exterieure

Country Status (5)

Country Link
EP (1) EP0387268B1 (fr)
AT (1) ATE81583T1 (fr)
AU (1) AU2612788A (fr)
DE (2) DE3738530A1 (fr)
WO (1) WO1989004125A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6782642B2 (en) 2000-08-02 2004-08-31 Adidas International Light running shoe
CN100360063C (zh) * 2005-01-31 2008-01-09 戴逸梅 多功能运动鞋

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1231767B (it) * 1989-08-02 1991-12-21 Gianfranco Losio Procedimento per l'ottenimento di composti poliuretanici inglobanti granuli di sughero o similari, particolarmente per la realizzazione di suole di scarpe, dispositivo per l'attuazione del procedimento e relativo prodotto ottenuto.
US5452527A (en) * 1993-02-11 1995-09-26 Medical Specialties, Inc. Shoe for a foot cast
US5891067A (en) * 1997-01-10 1999-04-06 Reed; Benjamin David Walking cast with a removable sole and method of making
DE10020749A1 (de) * 2000-04-27 2001-11-15 Siemens Ag Zuführeinrichtung für in Gurten aufgenommene elektrische Bauteile
US7788827B2 (en) 2007-03-06 2010-09-07 Nike, Inc. Article of footwear with mesh on outsole and insert
DE202009010225U1 (de) 2009-03-20 2010-01-07 Hauer, Rolf-Jürgen Socken mit Doppelwand-Sohlenbereich
KR101164463B1 (ko) 2010-07-12 2012-07-20 박수현 공기순환기능을 가지는 신발
ES2957434A1 (es) * 2022-06-03 2024-01-18 Serrano Carlos Martinez Base de calzado y procedimiento de obtención de un calzado con la misma

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2318347A1 (de) * 1973-04-12 1974-10-31 Salamander Ag Schuhwerk-sohle
US4676010A (en) * 1985-06-10 1987-06-30 Quabaug Corporation Vulcanized composite sole for footwear
US5025573A (en) * 1986-06-04 1991-06-25 Comfort Products, Inc. Multi-density shoe sole

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8904125A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6782642B2 (en) 2000-08-02 2004-08-31 Adidas International Light running shoe
CN100360063C (zh) * 2005-01-31 2008-01-09 戴逸梅 多功能运动鞋

Also Published As

Publication number Publication date
AU2612788A (en) 1989-06-01
EP0387268B1 (fr) 1992-10-21
DE3875490D1 (de) 1992-11-26
WO1989004125A1 (fr) 1989-05-18
DE3738530A1 (de) 1989-05-24
ATE81583T1 (de) 1992-11-15

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