EP1205121A1 - Sole for shoe for professional use - Google Patents

Sole for shoe for professional use Download PDF

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Publication number
EP1205121A1
EP1205121A1 EP00440295A EP00440295A EP1205121A1 EP 1205121 A1 EP1205121 A1 EP 1205121A1 EP 00440295 A EP00440295 A EP 00440295A EP 00440295 A EP00440295 A EP 00440295A EP 1205121 A1 EP1205121 A1 EP 1205121A1
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EP
European Patent Office
Prior art keywords
sole
semi
insert
layer
rigid
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Withdrawn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
EP00440295A
Other languages
German (de)
French (fr)
Inventor
Bernard Schwilden
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.)
IPSA
Original Assignee
IPSA
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Filing date
Publication date
Application filed by IPSA filed Critical IPSA
Priority to EP00440295A priority Critical patent/EP1205121A1/en
Publication of EP1205121A1 publication Critical patent/EP1205121A1/en
Withdrawn legal-status Critical Current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
    • A43B13/026—Composites, e.g. carbon fibre or aramid fibre; the sole, one or more sole layers or sole part being made of a composite
    • 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
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/08—Heel stiffeners; Toe stiffeners
    • A43B23/16—Heel stiffeners; Toe stiffeners made of impregnated fabrics, plastics or the like
    • A43B23/17—Heel stiffeners; Toe stiffeners made of impregnated fabrics, plastics or the like made of plastics
    • 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
    • A43B7/24—Insertions or other supports preventing the foot canting to one side , preventing supination or pronation

Definitions

  • the subject of the present invention is a sole, in the field of shoes for professional use.
  • These shoes are usually made up a flexible leather upper assembled on a flexible sole or semi-rigid.
  • a safety sole incorporating a plate forming a insert located at the middle of the sole or shank that extends substantially from the front of the heel to the rear of the front part of the sole and around which insert is molded said sole, said insert covering only part of the width of the sole.
  • the object of the present invention is to remedy this disadvantage by proposing a concept stem / sole ensuring better foot support, especially on uneven surfaces while maintaining the flex line natural of the foot.
  • the shoe thus described according to the present invention includes a molded wear bottom layer around an insert made of a material plate semi-rigid plastic located at the shank and a superior comfort layer and is characterized essentially in that it involves, in its part rear, a plastic buttress piece semi-rigid.
  • the wear layer will be made of polyurethane with a density between 0.8 and 1.2 and preferably about 1, and with a shore hardness between 60 and 70, preferably around 65 and the wear layer is formed polyurethane with a density between 0.3 and 0.7, preferably around 0.5 and a shore hardness between 60 and 70, preferably around 65.
  • the semi-rigid plate forming the insert will have a shore hardness between 80 and 100, preferably about 90 shore A and has a shape overall rectangular whose dimensions are determined from so that it covers the entire width of the surface bottom of the sole at the shank extending on the sides of the sole. It can advantageously have crampons on its underside plastic, of a hardness lower than that of said plate, such as rubber.
  • the buttress piece surrounds the part rear of the sole from the heel to the middle part of the sole. Also its end posteriorly will advantageously include a zone of least thickness for better comfort of use of the shoe. It will have a shore hardness between 80 and 100, of preferably around 90 shore A.
  • a sole 1 of safety shoe according to the present invention comprises on the one hand a layer lower 10 or wear layer and an upper layer 11 or comfort layer molded above the layer lower 10 and on the other hand an insert 2 located under the sole 1, in a plane substantially parallel to its base and a buttress piece 3 located above the layer wear 10.
  • Insert 2 consists of a form plate rectangular in semi-rigid plastic and covers the entire width of the sole 1 at its part median or shank extending laterally on the sides of the sole up to the comfort layer 11 which goes back up to the shank and extending appreciably from the front of the heel 12 to the rear part 13 from the front of the sole 1.
  • the plate 20 of insert 2 has on its underside a series of rubber clamp 21.
  • the buttress piece 3 is also made from a semi-rigid plastic and has the V-shaped whose height decreases from the heel from sole 1, which it covers, up to the part sole of the sole 1.
  • the buttress piece 3 and the insert 2 will be preferably made from plastic materials polyurethane base and preferably a polyurethane tropicalized allowing better resistance to hydrolysis.
  • the buttress piece 3 will be secured to the shoe upper by gluing or stitching and insert 2 will be adjusted very tightly. Sole 1 will be molded on insert 2 and buttress piece 3.
  • the sole 1 of the present invention has a greater rigidity allowing to favor the natural dynamics of walking while avoiding all deviations of the foot during the course of the step and includes a additional protection at the rear of the foot against strokes, however keep the natural line of flexion of the foot and also help hold the ankle.

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

Abstract

The sole (1), comprising a lower wear layer (10) moulded over a semi-rigid plastic insert (2), and an upper comfort layer, has a rear stiffener (3), also of a semi-rigid plastic material, extending from the heel towards the middle part of the sole. The insert is in the form of a semi-rigid plate of generally rectangular shape, covering the whole width of the wear layer's lower surface on the level of the sole shank, and extending laterally at the sides of the sole to the comfort layer, and has studs (21) of a softer material on its underside.

Description

La présente invention a pour objet une semelle, dans le domaine des chaussures à usage professionnel.The subject of the present invention is a sole, in the field of shoes for professional use.

Ces chaussures sont généralement constituées d'une tige en cuir souple assemblée sur une semelle souple ou semi-rigide.These shoes are usually made up a flexible leather upper assembled on a flexible sole or semi-rigid.

La conception de ces chaussures doit tenir compte de nombreuses contraintes concernant la tenue de la chaussure au cours de la marche afin de limiter les risques de foulure et d'entorse. De nombreuses études ont démontré que lors de la marche le pied se déforme soit du côté intérieur, soit du côté extérieur ce qui a pour conséquence de créer une usure importante de la semelle d'un côté ou de l'autre.The design of these shoes must hold has many constraints regarding the holding of the shoe during walking to limit the risks sprain and sprain. Numerous studies have demonstrated when walking the foot deforms either on the side inside, or on the outside, which has the consequence create significant wear on the sole on one side or the other.

Pour remédier à cet inconvénient on a proposé une semelle de sécurité intégrant une plaque formant un insert disposé au niveau de la partie médiane de la semelle ou cambrion qui s'étend sensiblement depuis l'avant du talon jusque vers l'arrière de la partie avant de la semelle et autour duquel insert est moulée ladite semelle, ledit insert recouvrant seulement une partie de la largeur de la semelle.To remedy this drawback we have proposed a safety sole incorporating a plate forming a insert located at the middle of the sole or shank that extends substantially from the front of the heel to the rear of the front part of the sole and around which insert is molded said sole, said insert covering only part of the width of the sole.

Toutefois les résultats procurés par ces semelles de sécurité ne sont pas totalement satisfaisants dans tous les cas. En effet, malgré la présence d'un insert, la semelle ne permet pas un bon maintien du pied notamment lors d'une marche en terrain accidenté.However, the results obtained by these safety soles are not completely satisfactory in all cases. Indeed, despite the presence of an insert, the sole does not allow a good support of the foot in particular when walking on rough terrain.

La présente invention a pour but de remédier à cet inconvénient en proposant un concept tige/semelle assurant un meilleur maintien du pied, notamment sur des surfaces accidentées tout en conservant la ligne de flexion naturelle du pied.The object of the present invention is to remedy this disadvantage by proposing a concept stem / sole ensuring better foot support, especially on uneven surfaces while maintaining the flex line natural of the foot.

La chaussure ainsi décrite selon la présente invention comprend une couche inférieure d'usure moulée autour d'un insert constitué d'une plaque en matière plastique semi-rigide située au niveau du cambrion et une couche supérieure de confort et se caractérise essentiellement en ce qu'elle comporte, à sa partie postérieure, une pièce de contrefort en matière plastique semi-rigide.The shoe thus described according to the present invention includes a molded wear bottom layer around an insert made of a material plate semi-rigid plastic located at the shank and a superior comfort layer and is characterized essentially in that it involves, in its part rear, a plastic buttress piece semi-rigid.

La couche d'usure sera formée de polyuréthane d'une densité comprise entre 0,8 et 1,2 et de préférence d'environ 1, et d'une dureté shore comprise entre 60 et 70, de préférence d'environ 65 et la couche d'usure est formée de polyuréthane d'une densité comprise entre 0,3 et 0,7, de préférence d'environ 0,5 et d'une dureté shore entre 60 et 70, de préférence d'environ 65.The wear layer will be made of polyurethane with a density between 0.8 and 1.2 and preferably about 1, and with a shore hardness between 60 and 70, preferably around 65 and the wear layer is formed polyurethane with a density between 0.3 and 0.7, preferably around 0.5 and a shore hardness between 60 and 70, preferably around 65.

La plaque semi-rigide formant l'insert aura une dureté shore comprise entre 80 et 100, de préférence d'environ 90 shore A et présente une forme globalement rectangulaire dont les dimensions sont déterminées de manière qu'elle recouvre toute la largeur de la surface inférieure de la semelle au niveau du cambrion en s'étendant sur les flancs de la semelle. Elle pourra avantageusement comporter sur sa face inférieure des crampons en matière plastique, d'une dureté inférieure à celle de ladite plaque, telle que du caoutchouc.The semi-rigid plate forming the insert will have a shore hardness between 80 and 100, preferably about 90 shore A and has a shape overall rectangular whose dimensions are determined from so that it covers the entire width of the surface bottom of the sole at the shank extending on the sides of the sole. It can advantageously have crampons on its underside plastic, of a hardness lower than that of said plate, such as rubber.

La pièce de contrefort entoure la partie postérieure de la semelle depuis le talon jusque vers la partie médiane de la semelle. En outre son extrémité postérieure comportera avantageusement une zone de moindre épaisseur pour un meilleur confort d'utilisation de la chaussure. Elle aura une dureté shore entre 80 et 100, de préférence d'environ 90 shore A.The buttress piece surrounds the part rear of the sole from the heel to the middle part of the sole. Also its end posteriorly will advantageously include a zone of least thickness for better comfort of use of the shoe. It will have a shore hardness between 80 and 100, of preferably around 90 shore A.

Les avantages et les caractéristiques de la présente invention ressortiront plus clairement de la description qui suit et qui se rapporte au dessin annexé, lequel en représente un mode de réalisation non limitatif.

  • la figure 1 représente une vue de profil d'une semelle de chaussure de sécurité selon la présente invention.
  • la figure 2 représente une vue de dessous partielle de la semelle de la figure 1.
The advantages and characteristics of the present invention will emerge more clearly from the description which follows and which refers to the appended drawing, which represents a non-limiting embodiment thereof.
  • FIG. 1 represents a profile view of a safety shoe sole according to the present invention.
  • FIG. 2 represents a partial bottom view of the sole of FIG. 1.

Si on se réfère à la figure 1 et à la figure 2 on peut voir qu'une semelle 1 de chaussure de sécurité selon la présente invention comprend d'une part une couche inférieure 10 ou couche d'usure et une couche supérieure 11 ou couche de confort moulée au-dessus de la couche inférieure 10 et d'autre part un insert 2 située sous la semelle 1, dans un plan sensiblement parallèle à sa base et une pièce de contrefort 3 située au dessus de la couche d'usure 10.If we refer to Figure 1 and Figure 2 we can see that a sole 1 of safety shoe according to the present invention comprises on the one hand a layer lower 10 or wear layer and an upper layer 11 or comfort layer molded above the layer lower 10 and on the other hand an insert 2 located under the sole 1, in a plane substantially parallel to its base and a buttress piece 3 located above the layer wear 10.

L'insert 2 est constitué d'une plaque de forme rectangulaire en matière plastique semi-rigide et recouvre toute la largeur de la semelle 1 au niveau de sa partie médiane ou cambrion en se prolongeant latéralement sur les flancs de la semelle jusqu'à la couche de confort 11 qui remonte au niveau du cambrion et en s'étendant sensiblement depuis l'avant du talon 12 jusque vers la partie arrière 13 de l'avant de la semelle 1.Insert 2 consists of a form plate rectangular in semi-rigid plastic and covers the entire width of the sole 1 at its part median or shank extending laterally on the sides of the sole up to the comfort layer 11 which goes back up to the shank and extending appreciably from the front of the heel 12 to the rear part 13 from the front of the sole 1.

On peut voir également que la plaque 20 de l'insert 2 comporte sur sa face inférieure une série de crampon 21 en caoutchouc.We can also see that the plate 20 of insert 2 has on its underside a series of rubber clamp 21.

La pièce de contrefort 3 est également réalisée à partir d'une matière plastique semi-rigide et présente la forme d'un V dont la hauteur va en diminuant depuis le talon de la semelle 1, qu'elle recouvre, jusque vers la partie médiane de la semelle 1.The buttress piece 3 is also made from a semi-rigid plastic and has the V-shaped whose height decreases from the heel from sole 1, which it covers, up to the part sole of the sole 1.

On peut voir également que la base 30 de la pièce de contrefort 3 qui l'extrémité postérieure de la semelle 1 comporte une zone de moindre épaisseur 31 améliorant le confort d'utilisation de la chaussure.We can also see that the base 30 of the buttress piece 3 which the rear end of the sole 1 has a thinner area 31 improving the comfort of use of the shoe.

La pièce de contrefort 3 et l'insert 2 seront réalisées de préférence à partir de matières plastiques à base de polyuréthane et de préférence d'un polyuréthane tropicalisé permettant une meilleure résistance à l'hydrolyse.The buttress piece 3 and the insert 2 will be preferably made from plastic materials polyurethane base and preferably a polyurethane tropicalized allowing better resistance to hydrolysis.

La pièce de contrefort 3 sera solidarisé à la tige de la chaussure par collage ou par piquage et l'insert 2 sera ajusté de manière très serrée. La semelle 1 sera moulée sur l'insert 2 et la pièce de contrefort 3.The buttress piece 3 will be secured to the shoe upper by gluing or stitching and insert 2 will be adjusted very tightly. Sole 1 will be molded on insert 2 and buttress piece 3.

Ainsi la semelle 1 de la présente invention possède une rigidité plus importante permettant de favoriser la dynamique naturelle de la marche en évitant toutes déviances du pied lors du déroulement du pas et comporte une protection supplémentaire à l'arrière du pied contre les coups, en garder toutefois la ligne de flexion naturelle du pied et favoriser également la tenue de la cheville.Thus the sole 1 of the present invention has a greater rigidity allowing to favor the natural dynamics of walking while avoiding all deviations of the foot during the course of the step and includes a additional protection at the rear of the foot against strokes, however keep the natural line of flexion of the foot and also help hold the ankle.

Claims (6)

Semelle (1) pour chaussure à usage professionnel comprenant une couche inférieure d'usure (10) moulée autour d'un insert (2) constitué d'une plaque (20) en matière plastique semi-rigide située au niveau du cambrion et une couche supérieure de confort (11) caractérisée en ce qu'elle comporte, à sa partie postérieure, une pièce de contrefort (3) en matière plastique semi-rigide.Sole (1) for professional shoe comprising a lower wear layer (10) molded around an insert (2) consisting of a plate (20) of semi-rigid plastic material located at the shank and a layer superior comfort (11) characterized in that it comprises, at its rear part, a buttress piece (3) made of semi-rigid plastic. Semelle (1) selon la revendication 1 caractérisée en ce que la plaque semi-rigide (20) présente une forme globalement rectangulaire et recouvre toute la largeur de la surface inférieure de la couche d'usure (10) au niveau du cambrion en s'étendant latéralement sur les flancs de la semelle (1) jusqu'à la couche de confort (11).Sole (1) according to claim 1 characterized in that the semi-rigid plate (20) has a generally rectangular shape and covers the entire width of the lower surface of the wear layer (10) at the shank in s' extending laterally on the sides of the sole (1) to the comfort layer (11). Semelle (1) selon la revendication 2 caractérisée en ce que la plaque semi-rigide (2) comporte sur sa face inférieure des crampons (21) en matière plastique, d'une dureté inférieure à celle de ladite plaque.Sole (1) according to claim 2 characterized in that the semi-rigid plate (2) has on its underside crampons (21) of plastic material, of a hardness less than that of said plate. Semelle (1) selon l'une quelconque des revendications précédentes caractérisée en ce que la pièce de contrefort (3) entoure la partie postérieure de la semelle (1) depuis le talon jusque vers la partie médiane de la semelle (1)Sole (1) according to any one of the preceding claims, characterized in that the buttress piece (3) surrounds the rear part of the sole (1) from the heel up to the middle part of the sole (1) Semelle (1) selon la revendication 4 caractérisée en ce que l'extrémité postérieure de la pièce de contrefort (3) comporte une zone de moindre épaisseur.Sole (1) according to claim 4 characterized in that the rear end of the buttress piece (3) has an area of reduced thickness. Semelle (1) selon l'une quelconque des revendications précédentes caractérisée en ce que l'insert (2) et la pièce de contrefort (3) ont chacune une dureté shore comprise entre 80 et 100 et de préférence 90.Sole (1) according to any one of the preceding claims, characterized in that the insert (2) and the buttress piece (3) each have a shore hardness of between 80 and 100 and preferably 90.
EP00440295A 2000-11-08 2000-11-08 Sole for shoe for professional use Withdrawn EP1205121A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00440295A EP1205121A1 (en) 2000-11-08 2000-11-08 Sole for shoe for professional use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00440295A EP1205121A1 (en) 2000-11-08 2000-11-08 Sole for shoe for professional use

Publications (1)

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EP1205121A1 true EP1205121A1 (en) 2002-05-15

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1428447A1 (en) * 2002-12-11 2004-06-16 Salomon S.A. Shoe sole
FR2874795A1 (en) * 2004-09-03 2006-03-10 Bacou Dalloz France Sa TRI-MATERIAL SHOE SOLE, MANUFACTURING METHOD AND MANUFACTURING DEVICE
WO2006085345A1 (en) * 2005-02-14 2006-08-17 Fila Luxembourg S.A.R.L. Sport shoe with a movable insert located inside the sole and suitable for changing the features of the latter when it hits the ground
US9693604B2 (en) 2014-05-30 2017-07-04 Nike, Inc. Article of footwear with inner and outer midsole layers

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288929A (en) * 1980-01-15 1981-09-15 New Balance Athletic Shoe, Inc. Motion control device for athletic shoe
WO1983004166A1 (en) * 1982-05-28 1983-12-08 Michael Wolfgang Schmohl Heelless outsole for sports shoes
US5353526A (en) * 1991-08-07 1994-10-11 Reebok International Ltd. Midsole stabilizer for the heel
FR2742637A1 (en) * 1995-12-20 1997-06-27 Bacou Sa Safety footwear sole providing greater comfort

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288929A (en) * 1980-01-15 1981-09-15 New Balance Athletic Shoe, Inc. Motion control device for athletic shoe
US4288929B1 (en) * 1980-01-15 1986-02-18
WO1983004166A1 (en) * 1982-05-28 1983-12-08 Michael Wolfgang Schmohl Heelless outsole for sports shoes
US5353526A (en) * 1991-08-07 1994-10-11 Reebok International Ltd. Midsole stabilizer for the heel
FR2742637A1 (en) * 1995-12-20 1997-06-27 Bacou Sa Safety footwear sole providing greater comfort

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1428447A1 (en) * 2002-12-11 2004-06-16 Salomon S.A. Shoe sole
FR2848389A1 (en) * 2002-12-11 2004-06-18 Salomon Sa SHOE SOLE
US7082702B2 (en) 2002-12-11 2006-08-01 Salomon S.A. Article of footwear
FR2874795A1 (en) * 2004-09-03 2006-03-10 Bacou Dalloz France Sa TRI-MATERIAL SHOE SOLE, MANUFACTURING METHOD AND MANUFACTURING DEVICE
WO2006027453A2 (en) * 2004-09-03 2006-03-16 Bacou Dalloz International Services Shoe sole in three materials method and device for production thereof
EP1632337A3 (en) * 2004-09-03 2006-04-12 Bacou Dalloz International Services Three material shoe sole, manufacturing process and manufacturing machine
WO2006027453A3 (en) * 2004-09-03 2006-06-29 Bacou Dalloz Internat Services Shoe sole in three materials method and device for production thereof
EA010535B1 (en) * 2004-09-03 2008-10-30 Сперьан Протесьон Эроп Shoe sole in three materials method and device for production thereof
WO2006085345A1 (en) * 2005-02-14 2006-08-17 Fila Luxembourg S.A.R.L. Sport shoe with a movable insert located inside the sole and suitable for changing the features of the latter when it hits the ground
US9693604B2 (en) 2014-05-30 2017-07-04 Nike, Inc. Article of footwear with inner and outer midsole layers

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