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EP0564525B1 - Semelle ainsi que procede pour sa fabrication - Google Patents

Semelle ainsi que procede pour sa fabrication

Info

Publication number
EP0564525B1
EP0564525B1 EP92901794A EP92901794A EP0564525B1 EP 0564525 B1 EP0564525 B1 EP 0564525B1 EP 92901794 A EP92901794 A EP 92901794A EP 92901794 A EP92901794 A EP 92901794A EP 0564525 B1 EP0564525 B1 EP 0564525B1
Authority
EP
European Patent Office
Prior art keywords
sole
wood
upper sole
accordance
reinforcing layer
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.)
Expired - Lifetime
Application number
EP92901794A
Other languages
German (de)
English (en)
Other versions
EP0564525A1 (fr
Inventor
Johann Ehrlich
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.)
Huemer Hans sen
Kastinger Stapa-Schuhfabrik Hans Huemer Gesellscha
Original Assignee
HUEMER HANS SEN
KASTINGER STAPA SCHUHFABRIK HA
Kastinger Stapa-Schuhfabrik Hans Huemer GmbH
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 HUEMER HANS SEN, KASTINGER STAPA SCHUHFABRIK HA, Kastinger Stapa-Schuhfabrik Hans Huemer GmbH filed Critical HUEMER HANS SEN
Priority to EP94112614A priority Critical patent/EP0628263B1/fr
Publication of EP0564525A1 publication Critical patent/EP0564525A1/fr
Application granted granted Critical
Publication of EP0564525B1 publication Critical patent/EP0564525B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A43B13/08—Wood
    • 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
    • A43B13/141—Soles; Sole-and-heel integral units characterised by the constructive form with a part of the sole being flexible, e.g. permitting articulation or torsion

Definitions

  • the invention relates to a shoe sole with an upper sole part made of wood, the upper, preferably orthopedically shaped, of which forms the support for the sole of the foot, and an outsole made of elastic and flexible material arranged below the upper sole part, the upper sole part being divided into several at least in the ball area is divided transversely to the longitudinal direction of the sole strip, which are connected to each other by flexible intermediate pieces, preferably made of polyurethane foamed onto the wood.
  • the invention further relates to a method for producing such a shoe sole.
  • Shoe soles with an upper sole part made of wood and with an outer sole of elastic and flexible material attached to the underside of this upper sole part have been known for a long time.
  • Such shoe soles have the advantage that they have excellent hygienic properties because they are sweat-wicking and moisture-regulating, and that they support the foot in an orthopedically correct manner, especially when the upper surface of the upper sole part is orthopedically shaped.
  • the rigidity of the shoe soles, whose upper sole part consists entirely of wood is disadvantageous. Bending in the ball area, as is necessary for walking comfortably, is therefore not possible with such shoe soles.
  • the strips located between the flexible intermediate pieces must be narrow, as seen in the longitudinal direction of the sole, in order to be able to accommodate all the elastic intermediate pieces in the ball area.
  • the longitudinal direction of the wood in shoe soles usually runs in the longitudinal direction of the sole, the division of the Upper part of the sole in strips is therefore transverse to it. If the individual strips are narrow, there is a risk that if the strips are loaded unevenly, the strips will break along the longitudinal direction of the wood, thus transverse to the longitudinal direction of the strips. Such an uneven load occurs, for example, when uneven surfaces are walked on with the sole. Stones that you step on with the sole of your shoe can cause one or more stripes to break.
  • the object of the present invention is to avoid this disadvantage and to form a shoe sole in which the risk of breakage of the narrow strips is avoided.
  • the solution to this problem according to the invention starting from a shoe sole of the type described at the outset, is that, at least in the area of the strips, the underside of the upper sole part is firmly connected to a surface with a reinforcing layer. As a result of the flat, firm connection to the underside of the upper sole part, this reinforcing layer reinforces the strips transversely to the longitudinal direction of the wood, thereby eliminating the risk of breakage even when the sole is loaded unevenly.
  • the reinforcement layer consists of at least one, preferably glued, layer of wood veneer attached to the underside of the upper sole part.
  • a single layer of wood veneer is often sufficient for reinforcement.
  • the use of such a wood veneer or of such a plywood has the advantage that, due to the similarity of the materials, both for the upper sole part and for the reinforcing layer, a firm two-dimensional connection can preferably be achieved by means of gluing, which is necessary for achieving the desired effect is.
  • the longitudinal direction of the fibers of at least one of the layers of wooden veneer runs perpendicular to the longitudinal direction of the fibers of the upper sole part made of wood, since the individual strips are then reinforced primarily in the direction in which the risk of breakage occurs given is.
  • the longitudinal fiber direction of this single layer is to be arranged perpendicular to the longitudinal fiber direction of the upper sole part made of wood.
  • plywood which is formed, for example, from three layers of cross-glued wood veneer, it is advisable to have the fiber longitudinal direction of the two outer layers perpendicular to the fiber longitudinal direction of the upper sole part made of wood and the middle layer transverse to it.
  • the reinforcement layer can also consist of a flat plastic part attached to the underside of the upper sole part.
  • the reinforcement layer is formed by a plastic film glued to the underside of the upper sole part.
  • a curable but not yet hardened plastic material for example by spraying or filling, can also be applied to the underside of the upper sole part, which forms the reinforcing layer after hardening.
  • the reinforcement layer can also extend over that area of the underside of the upper sole part in which the intermediate pieces are arranged.
  • the surface of the underside of the upper sole part formed by the intermediate pieces is kept free from the reinforcing layer.
  • the intermediate pieces and the outsole can be formed in one piece, since the reinforcing layer then does not form a separation between the intermediate pieces and the outsole.
  • the method according to the invention for producing the shoe sole described essentially consists in that after a reinforcing layer has been firmly connected to the underside of a piece of wood forming the upper sole part, at least in the ball area, preferably by gluing or gluing, several on this underside in the ball area Incisions are made, for example by milling, through which the reinforcing layer is completely cut and the piece of wood forming the upper sole part is at least partially cut, that this piece of wood, with the reinforcing layer sections firmly connected to it, is inserted into a mold so that a liquid is then poured into the mold Plastic material, introduced and allowed to solidify, whereby in the region of the incisions, the intermediate pieces and the outsole formed therewith in one piece are formed, and that the sole part thus produced is finally removed from the mold.
  • the piece of wood forming the upper sole part does not have to have the exact shape of the upper sole part, but can also be larger, in particular have a greater thickness, measured perpendicular to the upper side of the sole. In this case, it is in fact possible not to completely cut through the piece of wood forming the upper sole part, but a connection can still be maintained on the upper side thereof, which considerably simplifies insertion into the mold.
  • At least the upper side of the wooden piece forming the upper sole part is processed in a material-lifting manner, preferably by milling or grinding, whereby not only the orthopedic shape of this upper side can be achieved, but also that area is removed in which is still a connection of the wooden piece forming the upper sole part, and thereby the intermediate pieces extend to the top of the upper sole part.
  • FIG. 1 shows a plan view of the shoe sole according to the invention and FIG. 2 shows a section along the line II-II in FIG. 1.
  • the shoe sole according to the invention has an upper sole part 1 made of wood, the orthopedically shaped upper side 2 of which forms the support for the sole of the foot.
  • the upper sole part 1 is divided into a plurality of strips 3 running transversely to the longitudinal direction of the sole, which strips are connected to one another and to the adjacent sections 4, 5 by flexible intermediate pieces 6.
  • the flexible intermediate pieces 6 are preferably made of polyurethane, which is foamed onto the wooden parts 3, 4, 5, whereby a permanent connection between the wooden parts and the flexible intermediate pieces 6 is produced.
  • an outsole 7 made of elastic and flexible material, which is formed in one piece with the intermediate pieces 6 and preferably also consists of polyurethane foamed onto the wood.
  • the strips 3 Since the bendability of the sole must be given in the ball area, the strips 3 must be arranged at least in the ball area.
  • the Strips 3 are therefore, as can also be seen from the drawing, narrow in the longitudinal direction of the sole. Since with wooden soles the longitudinal fiber usually also runs in the longitudinal direction of the sole, there is a risk of the strips breaking along a longitudinal fiber if the sole is subjected to uneven loading, such as occurs, for example, when walking on an uneven surface. In order to counter this risk, a reinforcement layer 8 is firmly and flatly connected to the strips on the underside of the strips.
  • this reinforcing layer 8 is preferably applied because of the simplification of the manufacture of the shoe sole according to the invention, before the upper sole part 1 made of wood is cut to form the spaces which accommodate the intermediate pieces 6, it is expedient if this reinforcing layer is also at 8 ' extends over an area of approximately 1 cm over the adjacent part of the front upper sole part 4 and the rear upper sole part 5, since it is ensured in this case that in any case after the intermediate pieces 6 receiving the intermediate spaces 6, the underside of the strips 3 completely from the reinforcement layer 8 is covered.
  • the reinforcing layer 8 can, however, also extend from the sole tip, over the entire underside of the front upper sole part.
  • the reinforcement layer 8 is formed from at least one layer of wood veneer glued to the underside of the upper sole part.
  • a single layer of this type is often sufficient. If several layers of wood veneer glued together are provided, these are preferably glued criss-cross with respect to their fiber longitudinal direction, so that a plywood is formed.
  • the longitudinal direction of the fiber of the same should run transversely to the longitudinal direction of the fiber of the upper sole part 1 made of wood.
  • plywood it is advantageous if at least the longitudinal direction of some of the wood veneer layers, and preferably the outer wood veneer layers, runs perpendicular to the longitudinal direction of the fiber of the upper sole part 1 made of wood.
  • the reinforcement layer 8 can, however, also be made from a plastic film glued to the underside of the upper sole part 1 or from a hardenable plastic material applied to the underside of the upper sole part, for example by filling or spraying be educated. Finally, it is possible to form the reinforcement layer 8 from a preferably plastic-reinforced textile material attached to the underside of the upper sole part.
  • This textile material can consist, for example, of a fleece which is impregnated with plastic material.
  • Such a plastic material can be used, which softens when heat is applied, so that the reinforcing layer 8, which is partially made of a plastic material, can then be adapted to the shape of the underside of the upper sole part 1 and, after cooling, maintains this shape. Glass fibers are preferably used as the base material for the textile material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Claims (10)

  1. Semelle de chaussure comprenant une partie supérieure (1) en bois, dont le dessus (2), de préférence de forme orthopédique, constitue l'appui pour la plante du pied, et une semelle d'usure (7) placée sous la partie supérieure (1) et faite d'un matériau élastique et souple, la partie supérieure (1) de la semelle étant divisée, tout au moins dans la zone de l'avant renflé de la plante du pied, en plusieurs bandes (3) s'étendant transversalement à la direction longitudinale de la semelle, qui sont reliées entre elles par des pièces intercalées souples (6), de préférence en polyuréthanne que l'on a fait adhérer au bois lors de l'expansion, caractérisée en ce que, tout au moins dans la zone des bandes (3), le dessous de la partie supérieure (1) de la semelle est reliée solidement, sur une grande surface, à une couche de renfort (8).
  2. Semelle selon la revendication 1, caractérisée en ce que la couche de renfort (8) est constituée d'au moins une couche de placage de bois fixée, de préférence collée, sur le dessous de la partie supérieure (1) de la semelle.
  3. Semelle selon les revendications1 et 2, caractérisée en ce que le fil du bois d'au moins une des couches de placage est orienté transversalement au fil de la partie supérieure (1) en bois de la semelle.
  4. Semelle selon la revendication 1, caractérisée en ce que la couche de renfort (8) est constituée d'une pièce plate de matière plastique fixée sur le dessous de la partie supérieure (1) de la semelle, par exemple d'une feuille de matière plastique collée sur ce dessous ou d'un matériau plastique durcissable appliqué sur lui.
  5. Semelle selon la revendication 1, caractérisée en ce que la couche de renfort (8) est constituée d'un matériau textile, de préférence renforcé par une matière plastique ou de synthèse, fixé sur le dessous de la partie supérieure (1) de la semelle.
  6. Semelle selon une des revendications 1 à 5, caractérisée en ce que la couche de renfort (8) ne recouvre pas la surface formée par les pièces intercalées (6) sur le dessus de la partie supérieure (1) de la semelle.
  7. Procédé pour fabriquer une semelle selon une des revendications 1 à 6, caractérisé en ce que, après avoir relié solidement une couche de renfort (8), de préférence par adhésion ou collage, par une grande surface, au-dessous d'un morceau de bois formant la partie supérieure (1) de la semelle, tout au moins dans la zone de l'avant renflé de la plante du pied, on pratique plusieurs entailles sur ce côté inférieur, par exemple par fraisage, dans la zone de l'avant renflé de la plante du pied, entailles par lesquelles la couche de renfort (8) est sectionnée complètement et par lesquelles le morceau de bois formant la partie supérieure (1) de la semelle est sectionné au moins en partie, que l'on place ensuite ce morceau de bois, ensemble avec les segments de la couche de renfort (8) attachés à lui, dans un moule, que l'on introduit après cela un matériau plastique ou de synthèse à l'état liquide dans le moule et on laisse ce matériau se solidifier, ce qui forme les pièces intercalées (6) dans la zone des entailles et la semelle d'usure (7) réalisée d'un seul tenant avec elles, et que, enfin, on démoule la partie de semelle ainsi fabriquée.
  8. Procédé selon la revendication 7, caractérisé en ce que l'on introduit un matériau formant du polyuréthanne dans le moule.
  9. Procédé selon la revendication 7, caractérisé en ce que l'on laisse le matériau plastique liquide s'expanser ou se transformer en mousse.
  10. Procédé selon la revendication 7, caractérisé en ce que, après le démoulage, on travaille au moins le dessus du morceau de bois formant la partie supérieure (1) de la semelle, avec enlèvement de matériau, de préférence par fraisage.
EP92901794A 1990-12-28 1991-12-23 Semelle ainsi que procede pour sa fabrication Expired - Lifetime EP0564525B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP94112614A EP0628263B1 (fr) 1990-12-28 1991-12-23 Semelle de chaussure et procédé de sa fabrication

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT0264590A AT398511B (de) 1990-12-28 1990-12-28 Schuhsohle
AT2645/90 1990-12-28
PCT/AT1991/000140 WO1992011779A1 (fr) 1990-12-28 1991-12-23 Semelle ainsi que procede pour sa fabrication

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP94112614.6 Division-Into 1994-08-12

Publications (2)

Publication Number Publication Date
EP0564525A1 EP0564525A1 (fr) 1993-10-13
EP0564525B1 true EP0564525B1 (fr) 1995-10-25

Family

ID=3537985

Family Applications (2)

Application Number Title Priority Date Filing Date
EP94112614A Expired - Lifetime EP0628263B1 (fr) 1990-12-28 1991-12-23 Semelle de chaussure et procédé de sa fabrication
EP92901794A Expired - Lifetime EP0564525B1 (fr) 1990-12-28 1991-12-23 Semelle ainsi que procede pour sa fabrication

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP94112614A Expired - Lifetime EP0628263B1 (fr) 1990-12-28 1991-12-23 Semelle de chaussure et procédé de sa fabrication

Country Status (7)

Country Link
US (1) US5592755A (fr)
EP (2) EP0628263B1 (fr)
AT (3) AT398511B (fr)
DE (2) DE59106784D1 (fr)
DK (2) DK0628263T3 (fr)
ES (1) ES2081089T3 (fr)
WO (1) WO1992011779A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5926975A (en) * 1997-03-17 1999-07-27 Goodman; Michael C. Hinged shoe sole assembly for working boots
EP1258202A1 (fr) * 2001-05-15 2002-11-20 Chuan-Yan Song Semelle extérieure pour chaussures
EP3485756B1 (fr) * 2017-11-17 2020-06-17 Intral d.o.o. Semelle de chaussure et chaussure dotée de cette semelle
IT201900016331A1 (it) 2019-09-13 2021-03-13 Made S R L Metodo per realizzare una calzatura e struttura di calzatura ottenuta con tale metodo
JP2023538787A (ja) * 2020-08-31 2023-09-11 プーマ エス イー 工業用木材を用いた履物具
US20230309649A1 (en) * 2022-03-31 2023-10-05 RCCI Group, Inc. Footwear
US20240315391A1 (en) * 2023-03-23 2024-09-26 Sanliuyidu (China) Co., Ltd. Shoe midsole and shoe

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE308713C (fr) *
US694872A (en) * 1901-07-30 1902-03-04 Benjamin E Lockett Shoe or boot.
US2508392A (en) * 1942-11-09 1950-05-23 Raoul M L Issaly Wooden sole for shoes
US2394704A (en) * 1943-10-06 1946-02-12 United Last Company Manufacture of wooden soles
FR996085A (fr) * 1945-04-23 1951-12-12 Semelle composite souple du type galoche
AT352585B (de) * 1976-07-20 1979-09-25 Johann Ehrlich Holz Und Kunsts Sohle aus holz fuer schuhe und verfahren zur herstellung derselben
US4030155A (en) * 1976-08-24 1977-06-21 Jacques Azadian Clog sole
SE7901989L (sv) * 1979-03-06 1980-09-07 Stiftelsen Blekinge Prod Skodon
AT373128B (de) * 1979-09-28 1983-12-27 Distropat Ag Sohle fuer schuhe und verfahren zur herstellung der sohle
CA1118594A (fr) * 1981-05-22 1982-02-23 Henry D. Sweeny Entre-semelle protectrice pour articles chaussants
AT378898B (de) * 1984-03-05 1985-10-10 Alemania Schuhbedarf Verfahren zur herstellung von schuhsohlen und form zur durchfuehrung dieses verfahrens
IT1181565B (it) * 1984-08-01 1987-09-30 Pietro Luciano Rigon Procedimento per realizzare una suoletta anatomica flessibile in legno per calzature e suoletta flessibile ottenuta con tale procedimento
YU46520B (sh) * 1986-03-14 1993-11-16 Mercator-Kopitarna Sevnica Vezan podplat iz lesa za cokle z elastičnim pregibom v območju podplatne blaznice nog, postopek izdelave takega podplata in naprava za izvedbo postopka
AT398025B (de) * 1989-05-18 1994-08-25 Piroutz Gerhard Schuh
EP0478539A1 (fr) * 1989-06-12 1992-04-08 Smittis Schuhvertriebsgesellschaft M.B.H. Semelle pour chaussures et son procede de fabrication

Also Published As

Publication number Publication date
EP0564525A1 (fr) 1993-10-13
ATE143225T1 (de) 1996-10-15
WO1992011779A1 (fr) 1992-07-23
EP0628263A1 (fr) 1994-12-14
DE59108238D1 (de) 1996-10-31
US5592755A (en) 1997-01-14
AT398511B (de) 1994-12-27
DK0564525T3 (da) 1996-03-04
ATA264590A (de) 1994-05-15
ES2081089T3 (es) 1996-02-16
EP0628263B1 (fr) 1996-09-25
ATE129385T1 (de) 1995-11-15
DE59106784D1 (de) 1995-11-30
DK0628263T3 (da) 1997-03-17

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