EP0857435A2 - Semelle pour chaussures de sport - Google Patents

Semelle pour chaussures de sport Download PDF

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Publication number
EP0857435A2
EP0857435A2 EP97111897A EP97111897A EP0857435A2 EP 0857435 A2 EP0857435 A2 EP 0857435A2 EP 97111897 A EP97111897 A EP 97111897A EP 97111897 A EP97111897 A EP 97111897A EP 0857435 A2 EP0857435 A2 EP 0857435A2
Authority
EP
European Patent Office
Prior art keywords
sole
zones
zone
stiffness
shoe sole
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
EP97111897A
Other languages
German (de)
English (en)
Other versions
EP0857435B1 (fr
EP0857435A3 (fr
Inventor
Bernard M. Swain
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.)
Uhlsystem Deutschland GmbH
Original Assignee
Uhlsystem Deutschland 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7814983&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0857435(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Uhlsystem Deutschland GmbH filed Critical Uhlsystem Deutschland GmbH
Publication of EP0857435A2 publication Critical patent/EP0857435A2/fr
Publication of EP0857435A3 publication Critical patent/EP0857435A3/fr
Application granted granted Critical
Publication of EP0857435B1 publication Critical patent/EP0857435B1/fr
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
    • A43B13/02—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

Definitions

  • the invention relates to a sole for sports shoes, especially for with gripping elements such as spikes, cams, studs and the like equipped sports shoes, or a swimming / diving fin, with zones of different material stiffness from a combination of different plastic materials Rigidity that can be welded together and are able to merge.
  • Soles of sports shoes for lawn sports, with gripping elements like studs, cams or spikes for better slip resistance are equipped on the natural floor, for example Soccer shoe soles are usually made of thermoplastic Plastics or elastomers of relatively high rigidity, so those acting on the gripping elements during the exercise of the sport selective forces absorbed in the sole and distributed evenly can be.
  • sports shoes and thus also their soles in the bending area of the forefoot if possible be flexible in the unwinding direction to allow for natural mobility to provide the least possible resistance to the foot.
  • a sports shoe sole of the type mentioned is through DE 195 03 308 A1 has become known.
  • this prior art document represents the starting point of the present invention.
  • the well-known sports shoe sole is also characterized by this from that they consistently made of a flexible thermoplastic Existing plastic with high compressive rigidity Has sole body that at least in those areas which require the sole to be rigid, both on the outside (on the tread) as well as on the tread facing away from the inside, sandwich-like, each with a top layer made of a rigid plastic material with a small wall thickness is coated.
  • Such a sole construction enables in Comparison to different types of different materials combined soles according to the status of the Technology a lower material and manufacturing costs and largely avoids breaks at the junctions of the Material components or within a material component even.
  • the present invention is not only Sports shoe soles, but also swimming / diving fins, for the manufacture of the invention even as proves particularly suitable.
  • the stocking-like over the foot is pulled from soft thermoplastic elastomer.
  • the foot part is usually in the two-component injection molding process connected to the actual fin part, that of harder thermoplastic, for example made of polypropylene.
  • Such manufacturing is, however technically complex and requires the use of separate Tools for the insert and for completing the Fin.
  • the object of the present invention is to consist of several Plastic material components of different stiffness existing sports shoe soles or swimming / diving fins Adaptation to the anatomical conditions of the foot optimize in order to improve athletic suitability at the same time, in addition, the manufacturing and cost to reduce and further reduce the susceptibility to breakage.
  • this complex task with a sports shoe sole or a swimming / diving fin of the aforementioned Art solved in a surprisingly simple way that the Zones of high material rigidity gradually into the zones of lower Material stiffness and - vice versa - the zones low material stiffness gradually into the zones high Override material stiffness.
  • the present invention therefore makes it possible to create sports shoe soles or swimming / diving fins with zones of high material stiffness and zones of low material stiffness, between which there is a constant stiffness transition.
  • the main advantage of the invention is that that with the respective product (sports shoe sole or swimming / diving fin) Stiffness jumps and therefore also places with special high material tension and risk of breakage avoided will.
  • the bending stiffness is anatomically adapted accordingly the bending zones of the foot.
  • the invention makes inserts superfluous and thus avoids the otherwise required high expenditure for special Insert molds, for production and for positioning of inserts.
  • the soles 10, 10a and 10b of Figs. 1, 3 and 5, as well 7 of the sports shoe sole shown in FIG. 7, are made of plastics that are in the hardened state have different stiffness, by injection molding produced. These materials can be plastics of the same basic type (with different hardness settings) or also to deal with plastics of different basic types. It is essential in any case that the materials used homogeneously miscible and must be able to fuse connections interact with each other.
  • the sports shoe soles shown in the drawing - 10, 10a, 10b and 17 - each have zones of high material rigidity, Zones of low material rigidity and transition zones.
  • the Transition zones are used for gradual and even bridging the difference in stiffness between the zones is higher Stiffness and the zones of low stiffness (see here also Fig. 2, 4 and 6).
  • A is in the forefoot area a zone 18 of low stiffness is provided, starting out from the tip of the sole to approximately the maximum Sole width marking dashed line 19 extends out.
  • One the rear foot area C and partially also the midfoot area B covering zone 20 of high rigidity extends up to a dashed line 21.
  • Between the dashed lines Lines 19, 21 extend - stripe-shaped and transverse to Longitudinal longitudinal axis (x, Fig. 2) directed - a transition zone 22, the high material stiffness extends over their length the zone 20, as can be seen in FIG. 2, continuously down to the low one Zone 18 material stiffness reduced.
  • the 3 a (front) soft zone, 18a, and a - In this case the sole areas B and C completely covering - (back) hard zone, 20a, on, between them a strip-shaped transition zone 22a extends.
  • the Transition zone 22a - mark dashed lines 19a, 21a their ends on both sides - is much narrower than the transition zone 22 shown in FIG. 1, so that the Difference in stiffness of zones 22a and 18a, as shown in FIG. 4 makes clear on a correspondingly short length (x) the sole 10a balanced by the transition zone 22a must become.
  • 3 are also in the variant according to FIG two middle gripping elements 13, 14 - deviating from FIG.
  • the two front gripping elements 11 and 12 are located, as in the embodiment of FIG Fig. 1 - within the soft forefoot zone 18a (or 18, Fig. 1).
  • the gripping elements 14, 15 arranged in the midfoot area As far as it is concerned, it may also be advantageous these completely within the hard material of the rearfoot zone Arrange 20a or the hard rearfoot zone 20a (over the midfoot area C) to extend accordingly far forward, around the distribution of those acting on the gripping elements 13, 14 Favor forces and around the bridge between heel gripping elements 15, 16 and midfoot gripping elements 13, 14 to provide rigid supports on both sides.
  • Sole 10b two spaced apart and substantially to each other parallel strip-shaped transition zones 23, 24 arranged extend across the entire width of the sole.
  • Zone 25 low stiffness formed while the rest Sole areas, toe 26 and rear and midfoot areas C or B, consist of a material 27 of high rigidity.
  • the two front (toe-side) gripping elements 11, 12 are the front transition zone 23, partially the (hard) toe area 26, and the two middle gripping elements 13, 14 partly the rear transition zone 24, partly the (hard) Metatarsal area B, 27 assigned.
  • FIG. 7 Compared to the previously dealt with variants (according to FIGS. 1, 3 and 5) is the embodiment of FIG. 7, in which it also in contrast to the embodiments 1 and 3 and 5 not a soccer shoe sole, but is a cycling shoe sole, characterized by the special feature, that the material zones of different stiffness are not in the Distance arranged one behind the other, but rather all around are trained.
  • a circumferential Zone 29 of low stiffness is formed, on the inside, also circumferential, a transition zone 30 essentially same width as the soft edge zone 29 connects.
  • the of the remaining sole area 31 enclosed in the transition zone 30 made of a material with high rigidity.
  • transition zone 30 corresponds to the material rigidity of the transition zone 30 on its outer (ring-shaped), marked by a broken line 32 Edge of the low material rigidity of the adjacent (ring-shaped) Edge zone 29.
  • the inner (also ring-shaped) edge the transition zone 30 is by a dashed line 33 marked.
  • the transition zone 30 has a greater hardness there on that exactly the material stiffness of (from the two annular zones 29, 30 enclosed) inner zone 31 corresponds.
  • the material rigidity of the transition zone 30 increases "radial" from outside to inside.
  • the sole edge area 28 all around made of soft material 29 and possibly lip-like is not only for cycling shoe soles of interest, but also for sports shoe soles for various lawn sports, but also for shoe soles of a different kind, for example in the case of cross-country ski soles.
  • a soft and possibly lip-like version of the Sole edge area namely allows a good adjustment of the Sole on the shoe upper, while the sole tread - out functional reasons - at the same time made of stiff material can exist.
  • the transition zone - 30 in Fig. 7 - whose Properties can be adjustable here too a steady transition from the soft edge zone to the hard one Tread area without increasing the notch stress Stiffness levels comes.
  • thermoplastic polyurethane with a hardness range of approx. 60 ShoreA to 50 ShoreD or polyamide elastomer in one Hardness range from 90 ShoreA to 70 ShoreD (elastic modulus 50 MPa to 400 MPa).
  • thermoplastic polyurethane in combination with polyamide elastomer or polypropylene in combination with thermoplastic Elastomer based on styrene-butadiene-styrene or styrene-ethylene-butadiene-styrene or polyolefin.
  • the soles according to the invention are expediently on Injection molding machines manufactured with at least two injection units.
  • the two units fill at the same time or with a time delay the same cavity via separate sprues.
  • the injection mold should therefore have at least two spray channels and sprues.
  • the essential on a certain distribution, homogeneous mixture and fusion (welding) of the (plastic) materials used different material stiffness in the different Areas of sole production Injection molding machine based, it is used to create the sole zones with the desired different stiffness and Flexibility also possible with conventional soles known measures of a suitable geometric structuring the sole, for example by stiffening ribs in the stiff area and by bending grooves in the soft area.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP97111897A 1996-12-17 1997-07-12 Semelle pour chaussures de sport Revoked EP0857435B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19652462 1996-12-17
DE19652462A DE19652462C2 (de) 1996-12-17 1996-12-17 Sohle für Sportschuhe und Verfahren zur Herstellung einer solchen

Publications (3)

Publication Number Publication Date
EP0857435A2 true EP0857435A2 (fr) 1998-08-12
EP0857435A3 EP0857435A3 (fr) 1999-02-03
EP0857435B1 EP0857435B1 (fr) 2003-03-19

Family

ID=7814983

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97111897A Revoked EP0857435B1 (fr) 1996-12-17 1997-07-12 Semelle pour chaussures de sport

Country Status (3)

Country Link
EP (1) EP0857435B1 (fr)
AT (1) ATE234574T1 (fr)
DE (2) DE19652462C2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020030859A (ko) * 2000-10-18 2002-04-26 박연차 신발 겉창용 조성물
ES2242467A1 (es) * 2002-10-15 2005-11-01 Pikolino's Intercontinental, S.A. Piso para calzado y procedimiento de fabricacion por inyeccion directa al chanclo.
WO2005120217A1 (fr) * 2004-06-10 2005-12-22 Delaval Holding Ab Dispositif de traite
DE102019213330A1 (de) * 2019-09-03 2021-03-04 Adidas Ag Sohlenelement
EP3788899A1 (fr) 2019-09-03 2021-03-10 adidas AG Élément de semelle
US20240065373A1 (en) * 2019-07-19 2024-02-29 Nike, Inc. Sole structures including polyolefin plates and articles of footwear formed therefrom

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10114820B4 (de) * 2001-03-26 2008-08-21 Adidas International Marketing B.V. Verfahren zur Herstellung einer Sohle, eine Sohle und ein Schuh
DE102010040964B4 (de) 2010-09-17 2019-10-24 Adidas Ag Stollen für Stollenschuh

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1361907A (en) * 1918-01-04 1920-12-14 Spalding & Bros Ag Rubber sole for shoes
US3082442A (en) * 1958-09-04 1963-03-26 Spirotechnique Swimmer's fin
US3950483A (en) * 1972-03-02 1976-04-13 I Martin Spier Injection molding process
FR2265294A1 (en) * 1974-04-02 1975-10-24 Trappeur Boots for cross country skiing - has sole with at least two zones of different flexibilities
DE8011832U1 (de) * 1980-04-30 1980-08-14 Continental Gummi-Werke Ag, 3000 Hannover Sohle für Sportschuhe, insbesondere FußbaUstiefel
GB2113971B (en) * 1982-02-03 1985-07-24 Crook And Sons Limited Benjami Improvements in or relating to sports shoes
JPS645502A (en) * 1987-06-30 1989-01-10 Achilles Corp Production of injection molding shoes composed of plural shoes molding materials
DE3902872A1 (de) * 1989-02-01 1990-08-02 Stefan Hermes Laufschuh mit verbesserter zwischensohle
AT398687B (de) * 1991-01-28 1995-01-25 Koeflach Sportgeraete Gmbh Verfahren zur herstellung eines schuhs und danach hergestellter schuh
FR2690348B1 (fr) * 1992-04-23 1994-07-08 Roger Ours Dispositif de palme, en particulier pour sports nautiques, et procede de fabrication d'un tel dispositif.
DE19503308C2 (de) * 1995-02-02 1998-05-20 Uhlsystem Deutschland Gmbh Sohle für Sportschuhe und Verfahren zur Herstellung einer solchen

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020030859A (ko) * 2000-10-18 2002-04-26 박연차 신발 겉창용 조성물
ES2242467A1 (es) * 2002-10-15 2005-11-01 Pikolino's Intercontinental, S.A. Piso para calzado y procedimiento de fabricacion por inyeccion directa al chanclo.
WO2005120217A1 (fr) * 2004-06-10 2005-12-22 Delaval Holding Ab Dispositif de traite
EA008855B1 (ru) * 2004-06-10 2007-08-31 Делаваль Холдинг Аб Доильные устройства
US7856942B2 (en) 2004-06-10 2010-12-28 Delaval Holding Ab Milking devices
US20240065373A1 (en) * 2019-07-19 2024-02-29 Nike, Inc. Sole structures including polyolefin plates and articles of footwear formed therefrom
DE102019213330A1 (de) * 2019-09-03 2021-03-04 Adidas Ag Sohlenelement
EP3788899A1 (fr) 2019-09-03 2021-03-10 adidas AG Élément de semelle
EP4241606A2 (fr) 2019-09-03 2023-09-13 adidas AG Élément de semelle
US11944158B2 (en) 2019-09-03 2024-04-02 Adidas Ag Sole element
US12329240B2 (en) 2019-09-03 2025-06-17 Adidas Ag Sole element

Also Published As

Publication number Publication date
EP0857435B1 (fr) 2003-03-19
DE19652462C2 (de) 1999-07-08
DE19652462A1 (de) 1998-06-18
DE59709569D1 (de) 2003-04-24
ATE234574T1 (de) 2003-04-15
EP0857435A3 (fr) 1999-02-03

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