EP0624323A1 - Shoesole and sheet for making shoesoles - Google Patents

Shoesole and sheet for making shoesoles Download PDF

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Publication number
EP0624323A1
EP0624323A1 EP94107258A EP94107258A EP0624323A1 EP 0624323 A1 EP0624323 A1 EP 0624323A1 EP 94107258 A EP94107258 A EP 94107258A EP 94107258 A EP94107258 A EP 94107258A EP 0624323 A1 EP0624323 A1 EP 0624323A1
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EP
European Patent Office
Prior art keywords
shoe
shore hardness
sole
shoesole
area
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
EP94107258A
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German (de)
French (fr)
Other versions
EP0624323B1 (en
Inventor
Horst Wehling
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.)
Saar Gummiwerk GmbH
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Saar Gummiwerk GmbH
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Publication date
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Application filed by Saar Gummiwerk GmbH filed Critical Saar Gummiwerk GmbH
Publication of EP0624323A1 publication Critical patent/EP0624323A1/en
Application granted granted Critical
Publication of EP0624323B1 publication Critical patent/EP0624323B1/en
Anticipated expiration legal-status Critical
Revoked 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
    • A43B13/14—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
    • 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
    • A43B13/38—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process
    • A43B13/383—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process pieced

Definitions

  • the invention relates to a rubber-based shoe sole, in particular for flexible shoes with a continuous shoe sole covering both the forefoot area and the joint and heel area of the shoe, and a sole plate for producing the shoe sole.
  • the invention has for its object to provide a shoe sole and a shoe sole plate for the production of the shoe sole, which allow the use of conventional insoles also in the production of flexible, lightweight shoes.
  • the object is achieved in that the joint and heel area of the shoe sole has a higher Shore hardness than the forefoot area of the push sole.
  • the difference in Shore hardness should be approx. 5 to 10 ° and the Shore hardness in the forefoot area between 75 and 90 ° and in the joint and heel area between 85 and 98 °.
  • the shoe soles according to the invention allow the use of conventional insoles also in the production of flexible, light shoes. Due to the greater Shore hardness in the joint and heel area, the stability of the shoe construction is much higher than with conventional, continuously soft shoe soles. Another advantage results from the improved processability of the shoe sole according to the invention. Due to the higher hardness in the joint area, they can be sharpened and split easily and faster than with flexible joints and conventional soft soles, which tend to stretch or deform in these mechanical work processes and are therefore no longer a perfect fit during heel assembly, so that they are often reworked or have to be reground.
  • a sole plate for the production of shoe soles according to the invention is characterized in that the sole plate is vulcanized homogeneously from two rubber mixtures of different Shore hardnesses, in such a way that the sole plate is divided in the direction of a longitudinal edge into alternately successive longitudinal sections of different Shore hardnesses.
  • the sole plate is vulcanized homogeneously from two rubber mixtures of different Shore hardnesses, in such a way that the sole plate is divided in the direction of a longitudinal edge into alternately successive longitudinal sections of different Shore hardnesses.
  • the sole plate is vulcanized homogeneously from two rubber mixtures of different Shore hardnesses, in such a way that the sole plate is divided in the direction of a longitudinal edge into alternately successive longitudinal sections of different Shore hardnesses.
  • the figure shows examples of the structure of the soleplate according to the invention and the arrangement of the soles to be punched out.
  • a sole plate 6 is homogeneously vulcanized from two rubber mixtures of different Shore hardnesses, so that in the longitudinal direction of the sole plate 6 in each case longitudinal areas 2 of lower Shore hardness and longitudinal areas 1 of higher Shore hardness are arranged in succession.
  • the area lengths are selected such that a row of shoe soles 5 can be punched out from adjacent longitudinal areas 1, 2, the punching tools being aligned such that the forefoot area 3 the shoe sole 5 are punched out of the longitudinal area 2 with lower hardness and the joint and heel area 4 of the shoe sole 5 are punched out of the longitudinal area 1 with greater hardness.
  • the area lengths are chosen so that e.g. a longitudinal area 1 with two adjacent longitudinal areas 2a, 2b covers two rows of shoe soles 5a, 5b.
  • the dividing lines between the individual longitudinal areas 1, 2 are shown in dashed lines. However, the soft longitudinal sections 2 and the hard longitudinal sections 1 are expediently colored differently. This makes it easier to align the soleplate 6 or the punching tool.

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

Abstract

In a shoesole (5) on a rubber base, in particular for flexible shoes, the shoesole (5) covering both the front foot region (3) and the ankle and heel region (4) of the shoe, the ankle and heel region (4) of the shoesole (5) has a greater Shore hardness than the front foot region (3) of the shoesole. A sheet (6) for making shoesoles is vulcanised homogeneously from two rubber compounds of different Shore hardness in such a manner that the sheet (6) is divided in the direction of a longitudinal edge into alternately successive longitudinal sections (1, 2) of different shore hardness. <IMAGE>

Description

Die Erfindung betrifft eine Schuhsohle auf Gummibasis, insbesondere für flexible Schuhe mit durchgehender, sowohl den Vorderfußbereich als auch den Gelenk- und Absatzbereich des Schuhes überdeckender Schuhsohle, sowie eine Sohlenplatte zur Herstellung der Schuhsohle.The invention relates to a rubber-based shoe sole, in particular for flexible shoes with a continuous shoe sole covering both the forefoot area and the joint and heel area of the shoe, and a sole plate for producing the shoe sole.

Bei der Herstellung flexibler Schuhe, insbesondere leichter flexibler Damenschuhe und Damenstiefel, unter Verwendung weicher Sohlen müssen speziell geschlitzte und/oder schaumstoffkaschierte Brandsohlen eingebaut werden. Bei der Verwendung konventioneller Brandsohlen besteht die Gefahr, daß die im Gelenkbereich angeordneten Stahlgelenke oder der Zwickbereich sich verformen und/oder durch die flexible weiche Sohle durchdrücken. Diese spezielle Brandsohle ist gegenüber konventionellen Brandsohlen wesentlich aufwendiger und teurer.In the production of flexible shoes, in particular light flexible women's shoes and women's boots, using soft soles, specially slotted and / or foam-laminated insoles must be installed. When using conventional insoles, there is a risk that the steel joints or the lasting area arranged in the joint area will deform and / or be pushed through by the flexible soft sole. This special insole is much more complex and expensive than conventional insoles.

Der Erfindung liegt die Aufgabe zugrunde, eine Schuhsohle sowie eine Schuhsohlenplatte zur Herstellung der Schuhsohle anzugeben, die die Verwendung konventioneller Brandsohlen auch bei der Herstellung flexibler, leichter Schuhe ermöglichen.The invention has for its object to provide a shoe sole and a shoe sole plate for the production of the shoe sole, which allow the use of conventional insoles also in the production of flexible, lightweight shoes.

Bei einer Schuhsohle der eingangs genannten Art wird die Aufgabe erfindungsgemäß dadurch gelöst, daß der Gelenk- und Absatzbereich der Schuhsohle eine höhere Shore-Härte aufweist als der Vorderfußbereich der Schubsohle. Die Differenz der Shore-Härten sollte ca. 5 bis 10 ° betragen und die Shore-Härten im Vorderfußbereich zwischen 75 und 90 ° und im Gelenk- und Absatzbereich zwischen 85 und 98 ° liegen.In the case of a shoe sole of the type mentioned in the introduction, the object is achieved in that the joint and heel area of the shoe sole has a higher Shore hardness than the forefoot area of the push sole. The difference in Shore hardness should be approx. 5 to 10 ° and the Shore hardness in the forefoot area between 75 and 90 ° and in the joint and heel area between 85 and 98 °.

Die erfindungsgemäßen Schuhsohlen lassen die Verwendung konventioneller Brandsohlen auch bei der Herstellung flexibler, leichter Schuhe zu. Es wird durch die größere Shore-Härte im Gelenk- und Absatzbereich eine weitaus höhere Stabilität der Schuhkonstruktion als bei herkömmlicher durchgehend weicher Schuhsohle erreicht. Ein weiterer Vorteil ergibt sich durch die verbesserte Verarbeitbarkeit der erfindungsgemäßen Schuhsohle. Aufgrund der höheren Härte im Gelenkbereich lassen sie sich problemlos und schneller schärfen und spalten als bei flexiblen Gelenken und herkömlichen weichen Sohlen, die bei diesen maschinellen Arbeitsprozessen zum Dehnen bzw. Verformen neigen und daher bei der Absatzmontage nicht mehr passgenau sind, so daß sie oft nachgearbeitet bzw. nachgeschliffen werden müssen.The shoe soles according to the invention allow the use of conventional insoles also in the production of flexible, light shoes. Due to the greater Shore hardness in the joint and heel area, the stability of the shoe construction is much higher than with conventional, continuously soft shoe soles. Another advantage results from the improved processability of the shoe sole according to the invention. Due to the higher hardness in the joint area, they can be sharpened and split easily and faster than with flexible joints and conventional soft soles, which tend to stretch or deform in these mechanical work processes and are therefore no longer a perfect fit during heel assembly, so that they are often reworked or have to be reground.

Eine Sohlenplatte zur Herstellung erfindungsgemäßer Schuhsohlen zeichnet sich dadurch aus, daß die Sohlenplatte aus zwei Gummimischungen unterschiedlicher Shore-Härten homogen vulkanisiert ist, und zwar derart, daß die Sohlenplatte in Richtung einer Längskante in abwechselnd aufeinander folgende Längsabschnitte unterschiedlicher Shore-Härten unterteilt ist. Um die Bereiche der weichen und harten Gummimischungen, z.B. zum Positionieren der Stanzwerkzeuge einfach unterscheiden zu können, ist es zweckmäßig, die Lösungsabschnitte optisch durch unterschiedliche Einfärbungen der beiden Gummimischungen zu kennzeichnen.A sole plate for the production of shoe soles according to the invention is characterized in that the sole plate is vulcanized homogeneously from two rubber mixtures of different Shore hardnesses, in such a way that the sole plate is divided in the direction of a longitudinal edge into alternately successive longitudinal sections of different Shore hardnesses. Around the areas of soft and hard rubber compounds, e.g. To be able to easily differentiate between the positioning of the punching tools, it is advisable to optically identify the solution sections by different coloring of the two rubber compounds.

In der Figur sind Beispiele für den Aufbau der erfindungsgemäßen Sohlenplatte sowie die Anordnung der auszustanzenden Sohlen dargestellt.The figure shows examples of the structure of the soleplate according to the invention and the arrangement of the soles to be punched out.

Eine Sohlenplatte 6 ist aus zwei Gummimischungen unterschiedlicher Shore-Härten homogen vulkanisiert, derart daß in Längsrichtung der Sohlenplatte 6 jeweils Längsbereiche 2 geringerer Shore-Härte und Längsbereiche 1 höherer Shore-Härte aufeinanderfolgend angeordnet sind. Im Beispiel a) sind die Bereichslängen so gewählt, daß aus jeweils benachbarten Längsbereichen 1, 2 eine Reihe Schuhsohlen 5 ausgestanzt werden kann, wobei die Stanzwerkzeuge so ausgerichtet sind, daß der Vorderfußbereich 3 der Schuhsohle 5 aus dem Längsbereich 2 mit geringerer Härte und der Gelenk- und Absatzbereich 4 der Schuhsohle 5 aus dem Längsbereich 1 mit größerer Härte ausgestanzt werden.A sole plate 6 is homogeneously vulcanized from two rubber mixtures of different Shore hardnesses, so that in the longitudinal direction of the sole plate 6 in each case longitudinal areas 2 of lower Shore hardness and longitudinal areas 1 of higher Shore hardness are arranged in succession. In example a), the area lengths are selected such that a row of shoe soles 5 can be punched out from adjacent longitudinal areas 1, 2, the punching tools being aligned such that the forefoot area 3 the shoe sole 5 are punched out of the longitudinal area 2 with lower hardness and the joint and heel area 4 of the shoe sole 5 are punched out of the longitudinal area 1 with greater hardness.

Im Beispiel b sind die Bereichslängen so gewählt, daß z.B. ein Längsbereich 1 mit jeweils beiden benachbarten Längsbereichen 2a, 2b zwei Schuhsohlenreihen 5a, 5b abdeckt.In example b, the area lengths are chosen so that e.g. a longitudinal area 1 with two adjacent longitudinal areas 2a, 2b covers two rows of shoe soles 5a, 5b.

Die Trennlinien zwischen den einzelnen Längsbereichen 1, 2 sind gestrichelt eingezeichnet. Zweckmäßigerweise sind jedoch die weichen Längsabschnitte 2 und die harten Längsabschnitte 1 unterschiedlich eingefärbt. Dadurch wird das Ausrichten der Sohlenplatte 6 bzw. des Stanzwerkzeuges erleichtert.The dividing lines between the individual longitudinal areas 1, 2 are shown in dashed lines. However, the soft longitudinal sections 2 and the hard longitudinal sections 1 are expediently colored differently. This makes it easier to align the soleplate 6 or the punching tool.

Claims (5)

Schuhsohle auf Gummibasis, insbesondere für flexible Schuhe, wobei die Schuhsohle sowohl den Vorderfußbereich als auch den Gelenk- und Absatzbereich des Schuhes überdeckt, dadurch gekennzeichnet, daß der Gelenk- und Absatzbereich (4) der Schuhsohle (5) eine höhere Shore-Härte aufweist als der Vorderfußbereich (3) der Schuhsohle (5).Rubber-based shoe sole, in particular for flexible shoes, the shoe sole covering both the forefoot area and the joint and heel area of the shoe, characterized in that the joint and heel area (4) of the shoe sole (5) has a higher Shore hardness than the forefoot area (3) of the shoe sole (5). Schuhsohle nach Anspruch 1, dadurch gekennzeichnet, daß die Differenz der Shore-Härten 5 bis 10 ° beträgt.Shoe sole according to claim 1, characterized in that the difference in shore hardness is 5 to 10 °. Schuhsohle nach Anspruch 2, dadurch gekennzeichnet, daß die Shore-Härte im Vorderfußbereich (3) zwischen 75 bis 90 ° und im Gelenk- und Absatzbereich (4) zwischen 85 und 98 ° beträgt.Shoe sole according to claim 2, characterized in that the Shore hardness in the forefoot area (3) is between 75 to 90 ° and in the joint and heel area (4) between 85 and 98 °. Sohlenplatte auf Gummibasis zur Herstellung von Schuhsohlen gemäß den Ansprüchen 1 bis 3, dadurch gekennzeichnet, daß die Sohlenplatte (6) aus zwei Gummimischungen unterschiedlicher Shore-Härten homogen vulkanisiert ist derart, daß die Sohlenplatte (6) in Richtung einer Längskante in abwechselnd aufeinanderfolgende Längsabschnitte (1, 2) unterschiedlicher Shore-Härten unterteilt ist.Rubber-based sole plate for the production of shoe soles according to claims 1 to 3, characterized in that the sole plate (6) is homogeneously vulcanized from two rubber mixtures of different Shore hardnesses in such a way that the sole plate (6) in the direction of a longitudinal edge into alternately successive longitudinal sections ( 1, 2) different Shore hardness is divided. Sohlenplatte nach Anspruch 4, dadurch gekennzeichnet, daß die Längsabschnitte (1, 2) entsprechend der unterschiedlichen Shore-Härten unterschiedlich eingefärbt sind.Sole plate according to claim 4, characterized in that the longitudinal sections (1, 2) are colored differently in accordance with the different Shore hardnesses.
EP94107258A 1993-05-11 1994-05-10 Shoesole Revoked EP0624323B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4315689 1993-05-11
DE4315689A DE4315689C2 (en) 1993-05-11 1993-05-11 Process for the manufacture of rubber-based shoe soles

Publications (2)

Publication Number Publication Date
EP0624323A1 true EP0624323A1 (en) 1994-11-17
EP0624323B1 EP0624323B1 (en) 1997-12-10

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ID=6487801

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Application Number Title Priority Date Filing Date
EP94107258A Revoked EP0624323B1 (en) 1993-05-11 1994-05-10 Shoesole

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EP (1) EP0624323B1 (en)
DE (2) DE4315689C2 (en)
ES (1) ES2111202T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2754433A1 (en) * 1996-10-15 1998-04-17 Pierre Chupin Sa Shoe with inner sole having supple front part

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2130968A (en) * 1938-01-03 1938-09-20 Arthur C Sewall Insole blank and method of making insoles therefrom
US2150575A (en) * 1937-12-11 1939-03-14 Brown Co Method of making insoles and sheets therefor
GB756927A (en) * 1952-11-17 1956-09-12 Leslie Arthur Loakes Improvements in or relating to sheet material for insoles for shoes and to methods of cutting insoles therefrom

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1428356A (en) * 1916-11-18 1922-09-05 Brown Max Vulcanized sole
US2223073A (en) * 1939-10-14 1940-11-26 B F Godrich Company Sole
DE925872C (en) * 1952-05-22 1955-03-31 Vorwerk & Sohn Sole plate made of rubber or plastic with anti-skid profiling
AT196749B (en) * 1956-06-28 1958-03-25 Vitale Bramani Rubber sole
US3661681A (en) * 1969-09-18 1972-05-09 Us Shoe Corp The Apparatus for assembling insole strips

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2150575A (en) * 1937-12-11 1939-03-14 Brown Co Method of making insoles and sheets therefor
US2130968A (en) * 1938-01-03 1938-09-20 Arthur C Sewall Insole blank and method of making insoles therefrom
GB756927A (en) * 1952-11-17 1956-09-12 Leslie Arthur Loakes Improvements in or relating to sheet material for insoles for shoes and to methods of cutting insoles therefrom

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2754433A1 (en) * 1996-10-15 1998-04-17 Pierre Chupin Sa Shoe with inner sole having supple front part

Also Published As

Publication number Publication date
ES2111202T3 (en) 1998-03-01
EP0624323B1 (en) 1997-12-10
DE4315689A1 (en) 1994-11-17
DE4315689C2 (en) 2001-04-26
DE59404757D1 (en) 1998-01-22

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