EP0210362B1 - Crampon pour chaussure de sport - Google Patents

Crampon pour chaussure de sport Download PDF

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Publication number
EP0210362B1
EP0210362B1 EP86106783A EP86106783A EP0210362B1 EP 0210362 B1 EP0210362 B1 EP 0210362B1 EP 86106783 A EP86106783 A EP 86106783A EP 86106783 A EP86106783 A EP 86106783A EP 0210362 B1 EP0210362 B1 EP 0210362B1
Authority
EP
European Patent Office
Prior art keywords
gripping element
ceramic insert
ceramic
metal portion
element according
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
Application number
EP86106783A
Other languages
German (de)
English (en)
Other versions
EP0210362A3 (en
EP0210362A2 (fr
Inventor
Peter Dipl.-Ing. Greiner
Hubert Pflüger
Horst Widmann
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.)
Adidas AG
Original Assignee
Adidas Sportschuhfabriken Adi Dassier Stiftung and Co KG
Adidas AG
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=25834475&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0210362(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19853532607 external-priority patent/DE3532607C1/de
Application filed by Adidas Sportschuhfabriken Adi Dassier Stiftung and Co KG, Adidas AG filed Critical Adidas Sportschuhfabriken Adi Dassier Stiftung and Co KG
Priority to AT86106783T priority Critical patent/ATE37133T1/de
Publication of EP0210362A2 publication Critical patent/EP0210362A2/fr
Publication of EP0210362A3 publication Critical patent/EP0210362A3/de
Application granted granted Critical
Publication of EP0210362B1 publication Critical patent/EP0210362B1/fr
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C15/00—Non-skid devices or attachments
    • A43C15/16—Studs or cleats for football or like boots
    • A43C15/162—Studs or cleats for football or like boots characterised by the shape
    • A43C15/164—Studs or cleats for football or like boots characterised by the shape having a circular cross section
    • A43C15/167—Studs or cleats for football or like boots characterised by the shape having a circular cross section frusto-conical or cylindrical

Definitions

  • cleat-shaped gripping element for sports shoes with the features according to the preamble of claim 1.
  • cleat-shaped gripping elements are to be understood as those which are used in particular on sports shoes for lawn sports and are conventionally referred to as cleats or cams. Gripping elements that are used on racing shoes (so-called thorns or spikes) should not be included here.
  • a gripping element of the type specified at the outset in which the gripping element body has a central metal part and a gripping element base surrounding it, which can be made of plastic, and a ceramic insert forming the tread of the gripping element is connected directly to the lower end of the metal part by soldering or gluing is (GB-PS 1 277 684).
  • the ceramic insert in this known gripping element is a ball which is fastened in a recess at the lower end of the metal part.
  • the selected spherical shape of the ceramic insert is very sensitive to point-like impact loads due to the brittleness of the ceramic material, so that a pronounced tendency to crack or break out of ceramic pieces when walking on hard floor surfaces, e.g. of concrete floor.
  • the invention is therefore based on the object of providing a lug-shaped gripping element of the type specified at the outset which, on the one hand, is simple and inexpensive to produce, but additionally also provides increased security against impact loads.
  • the invention thus provides two basic solutions, the first of which consists in that the ceramic insert which is glued or soldered directly to the underside of the metal part is lenticular with an arched top and bottom, the ratio of its diameter to its thickness preferably being about 2: 1 is.
  • a peripheral surface in the form of a cylindrical surface is preferably provided on the ceramic insert. It has been shown that with this shape of the ceramic insert, maximum strength can be achieved with respect to the combined loads that occur when the sports shoe is used. As is known, internal stresses occur in ceramic parts when they cool down after firing, which leads to considerable embrittlement and, as a result, to sensitivity to impact.
  • the direct adhesive or soldered connection of the ceramic insert to the metal part results in such strength that not even a form-fitting engagement of the ceramic insert in the metal part is required, but a flat connection is sufficient. It is important that the adhesive connection still has a certain elastic flexibility even in the hardened state. This is achieved, for example, by using epoxy resin adhesives.
  • soldering due to the thermal shock sensitivity of the ceramic materials, it may be expedient to first metallize the ceramic insert on the connecting surface and then to make the soldered connection using low-melting solders.
  • the metal part is expedient, however, at the lower end of the metal part, with respect to the shape of its lower surface, to the curved upper side of the ceramic insert, ie to provide a concavely curved plate to which the ceramic insert is then connected.
  • This plate expediently has such a size that it covers most of the top of the ceramic insert.
  • the metal part is expediently provided with a thread if the gripping element is to be screwed into a threaded insert of the sole as a stud, or it has a plate for direct embedding and anchoring in the sole if the gripping element is integral with the sole of the sole Sports shoe trained cam is designed.
  • the metal part of the gripping element essentially has the task of connecting the ceramic insert to the gripping element body. It can therefore be designed lightly and gracefully.
  • the metal part is expediently designed as a shaft, in particular if a thread is provided.
  • the metal part can, however, also be a spring, preferably a spiral spring, at the two ends of which the plates mentioned are fastened for connection to the ceramic insert or for anchoring in the sole.
  • the metal part of the gripping element does not hinder the greater flexibility required for cams, but acts as a spring connected in parallel with the gripping element base.
  • the invention provides that the ceramic insert is formed by a plurality of individual ceramic bodies arranged close to one another, which are embedded in the gripping element body.
  • the ceramic bodies expediently have a spherical shape.
  • This embodiment is based on the knowledge that the respective contact and embedding area in the gripping element body is considerably increased by a plurality of separate ceramic bodies, for example up to 10, so that the holding forces are also increased accordingly.
  • the ratio of the load acting on each individual ceramic body to the holding force available thereon is therefore more favorable than in the case of a single one-piece ceramic insert. Consequently, despite the known direct embedding of the ceramic body in the gripping element body, a considerable increase in the service life can be achieved in a simple manner by encapsulation or injection molding.
  • the gripping elements shown on an enlarged scale in FIGS. 1 to 5 are all rotationally symmetrical in their essential parts and in their shape, so that the representation of an end view is unnecessary.
  • the rotationally symmetrical shape is not essential for the invention, but can be modified in favor of an oval design, for example.
  • the gripping element body 1 consists of a gripping element body designated as a whole by 1 and a ceramic insert 2.
  • the gripping element body 1 is in turn composed of a gripping element base 3 and a metal part 4 in the form of a shaft which carries a thread 5 at its upper end .
  • a plate 6 is formed in one piece, which projects flange-like beyond the shaft 4 and is also curved on its underside in adaptation to the curved upper side of the ceramic insert 2.
  • the diameter of the plate 6 is approximately 76% of the diameter of the ceramic insert 2.
  • the gripping element base 3 is a separate part made of plastic, rubber, aluminum or the like, which can be plugged onto the metal shaft 4 and tightly encloses this and the plate 6. In addition, as is apparent from FIG. 1, it is supported on the ceramic insert 2 with a conical ring surface 8, which is preferably even adapted to the rounding of the ceramic insert 2 at this point.
  • the gripping element base 3 On its outer surface, the gripping element base 3 has customary notches 9 as engagement surfaces for a screwing tool, while on its support surface 10 which faces the running side of the sole (not shown), a flanged disc profile 11 which promotes adhesion to the sole against involuntary twisting is incorporated in a known manner.
  • the support surface 10 of the gripping element base 3 is, as can be seen from FIG. 1, widened relative to the lower part of the gripping element base 3.
  • the ceramic insert 2 consists for example of aluminum oxide (Al z 0 3 ) silicon carbide (SiC) or steatite. It has the rotationally symmetrical lens shape shown in the drawing and has a ratio of its diameter to its thickness of approximately 2.1: 1.
  • the volume of the ceramic insert 2 for a practical embodiment of the stud according to FIG. 1 is approximately 0.3 cm 3 . With this design and this volume, as already described at the outset, maximum strength of the ceramic insert 2 is achieved with respect to the load occurring during use.
  • the circumferential surface 12 of the ceramic insert is cylindrical over approximately half the thickness of the ceramic insert and merges rounded into the curved upper or lower side.
  • the ceramic insert 2 is fastened to the adapted lower surface of the plate 6 by means of an epodid resin adhesive, which still has a slight elasticity even in the hardened state, or by means of soldering. There is no connection between the conical or partially toroidal ring surface 8 and the ceramic insert 2; rather, it is only supported on the ring surface.
  • the metal shaft 4 and the associated opening of the gripping element base 3 are square, so that the metal shaft 4 can also be rotated and screwed in by rotating the gripping element base 3. Even with a firm connection of the gripping element base 3 to the metal shaft 4, for example by direct pouring or injection, it is advisable to make the metal shaft 4 polygonal in cross section.
  • the design of the gripping element base 3 as a separate part has the advantage that the length of the lugs can be varied overall by exchanging the gripping element base for such a greater or smaller length.
  • the cam shown in FIG. 2 is integrally connected to the outsole 20, which consists, for example, of an elastomeric polyurethane, the gripping element base 23 being made of the same material as the outsole 20 and the metal shaft 24, the plate 26 located at its lower end and one at its upper end arranged embedding plate 27 encloses.
  • the ceramic insert 22 is basically of the same shape as the ceramic insert 2 according to FIG. 1; its diameter / thickness ratio here is approximately 2: 1.
  • the ceramic insert 22 is also connected here either by gluing with an epoxy resin adhesive or by soldering to the underside of the plate 26.
  • FIG. 3 shows a modification of the cam according to FIG. 2 in such a way that a spiral spring 34 takes the place of the solid metal shaft 24, with the ends of which are connected to a plate 36 for fixing the ceramic insert 32 or an anchoring plate 37 by welding .
  • the plate 36 again consists of metal, while another material could also be selected for the anchoring plate 37.
  • the ceramic insert 32 is connected to the plate 36 in the same way as that described in connection with FIG. 2.
  • the unit which is already prefabricated and firmly connected from the ceramic insert 32, the spring 34 and the plates 36, 37 is placed in a casting mold for the outsole 30 and cast or extrusion-coated with the still flowable sole material.
  • the gripping element base 33 is formed, the sole material penetrates into the interior of the spring 34, so that its windings are completely surrounded by sole material.
  • the flexibility of the cam in the vertical (axial) direction is reduced considerably less than this applies to the cam according to FIG. 2, so that the elastic properties practically correspond to those of a cam consisting only of the sole material.
  • the type and arrangement of the spring 34a which is a conical steel spring with closed winding ends, differs.
  • the anchoring plate 37 and the plate 36 can be dispensed with.
  • the closed winding end 37a at the upper end is flowed around by the plastic material of the sole, so that this results in a sufficient spring attachment. Because the closed winding end 37a is not a continuously rigid plate, it can better follow bending movements of the sole.
  • the lower winding end 36a offers a sufficiently metallic surface for direct connection to the ceramic insert 32a.
  • This stud consists of a gripping element body 41 in which a screw 44, possibly provided with knurling, is directly embedded, e.g. poured or injected.
  • the screw 44 has a collar-like extension at its lower end, as can be seen from FIG. 5.
  • a plurality of ceramic balls 42 are directly embedded therein, which are arranged closely next to one another and are supported against one another. With their underside, the ceramic balls 42 extend into the tread of the tunnel.
  • the size of the ceramic balls 42 is selected so that eight ceramic balls 42 can be provided in the exemplary embodiment shown, which, with their surfaces projecting downward, form the tread surface of the stud after the slightest wear of the plastic material forming the gripping element body 41.
  • the spherical shape instead of the spherical shape, differently designed ceramic bodies 42, e.g. cube-shaped, can be used.
  • the spherical shape proves to be advantageous because there are no engagement edges on which larger forces can build up when the stud is loaded laterally.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Claims (11)

1. Elément de prise en forme de crampon pour chaussures de sport, comportant un corps d'élément de prise (1), qui présente une pièce centrale métallique (4, 24, 34) et une base d'élément de prise qui l'entoure (3, 23, 33) et un insert en céramique (2, 22, 32, 32a) formant la surface de contact avec le sol de l'élément de prise, lequel insert est fixé à l'extrémité inférieure de la pièce métallique par soudage ou collage, et qui présente une face inférieure bombée, caractérisé en ce que l'insert en céramique (2, 22, 32, 32a) est de forme lenticulaire et a ses faces supérieure et inférieure bombées.
2. Elément de prise en forme de crampon selon la revendication 1, caractérisé en ce que le rapport du diamètre de l'insert en céramique (2, 22, 32, 32a) sur son épaisseur vaut environ 2 : 1.
3. Elément de prise selon la revendication 2, caractérisé en ce que la surface périphérique (12) de l'insert en céramique est cylindrique.
4. Elément de prise selon l'une des revendications 1 à 3, caractérisé en ce que les zones de transition entre les faces bombées supérieure et inférieure de l'insert en céramique et la surface périphérique sont arrondies.
5. Elément de prise selon l'une des revendications 1 à 4, caractérisé en ce que la pièce métallique (4, 24, 34) présente à son extrémité inférieure une plaque (6, 26, 36) dont la face inférieure a une forme s'adaptant à la face supérieure de l'insert en céramique (2, 22, 32) et à laquelle l'insert en céramique est relié.
6. Elément de prise selon l'une des revendications 1 à 5, caractérisé en ce que la pièce métallique présente à son extrémité supérieure un filetage (5) en vue de la fixation par vissage dans un insert fileté se trouvant dans la semelle ou une plaque (27, 37) en vue de l'enrobage direct et de l'ancrage dans la semelle.
7. Elément de prise selon l'une des revendications 1 à 6, caractérisé en ce que la pièce métallique est en forme de tige.
8. Elément de prise selon les revendications 5 et 6, caractérisé en ce que la pièce métallique est constituée par un ressort (34).
9. Elément de prise selon l'une des revendications 1 à 7,caractérisé en ce que la base de l'élément de prise (3) est une pièce séparée pouvant s'emboîter sur la pièce métallique (4), mais qui peut s'y raccorder de manière à éviter toute rotation.
10. Elément de prise en forme de crampon pour chaussures de sport, présentant un corps d'élément de prise et un insert en céramique, enrobé dans le corps de l'élément de prise, qui en constitue la surfac de contact avec le sol, caractérisé en ce que l'insert en céramique est formé de plusieurs pièces en céramique individuelles (42) disposées au voisinage immédiat l'une de l'autre.
11. Elément de prise selon la revendication 10, caractérisé en ce que les pièces de céramique individuelles (42) sont de forme sphérique.
EP86106783A 1985-07-27 1986-05-17 Crampon pour chaussure de sport Expired EP0210362B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86106783T ATE37133T1 (de) 1985-07-27 1986-05-17 Stollenfoermiges greifelement fuer sportschuhe.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3527009 1985-07-27
DE3527009 1985-07-27
DE19853532607 DE3532607C1 (en) 1985-09-12 1985-09-12 Stud-shaped grip element for sports shoes
DE3532607 1985-09-12

Publications (3)

Publication Number Publication Date
EP0210362A2 EP0210362A2 (fr) 1987-02-04
EP0210362A3 EP0210362A3 (en) 1987-04-29
EP0210362B1 true EP0210362B1 (fr) 1988-09-14

Family

ID=25834475

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86106783A Expired EP0210362B1 (fr) 1985-07-27 1986-05-17 Crampon pour chaussure de sport

Country Status (3)

Country Link
US (1) US4698924A (fr)
EP (1) EP0210362B1 (fr)
DE (1) DE3660702D1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3706068A1 (de) * 1987-02-25 1988-09-08 Dassler Puma Sportschuh Greifelement fuer sportschuhe
FR2644989A1 (fr) * 1989-03-28 1990-10-05 Roulot Maurice Crampon pour chaussure de football ou analogue
FR2673362B1 (fr) * 1991-02-28 1993-06-18 Cice Sa Crampon ceramique interchangeable.
US5351422A (en) * 1992-06-15 1994-10-04 Fitzgerald John E Replacement cleat method and apparatus for conventional golf shoe cleats
WO1994013164A1 (fr) * 1992-12-10 1994-06-23 Nike International Ltd. Liaison caoutchouc-matiere plastique concernant des chaussures
US5657556A (en) * 1994-12-08 1997-08-19 L.A. Gear, Inc. Footwear sole component and production method
US5628129A (en) * 1995-06-06 1997-05-13 Nike, Inc. Shoe sole having detachable traction members
US5832636A (en) * 1996-09-06 1998-11-10 Nike, Inc. Article of footwear having non-clogging sole
US6381878B1 (en) 1997-09-03 2002-05-07 Spalding Sports Worldwide, Inc. Composite cleat for athletic shoe
US6138386A (en) * 1997-09-03 2000-10-31 Spalding Sports Worldwide, Inc. Composite cleat for athletic shoe
DE29719312U1 (de) * 1997-10-30 1998-01-08 Greiner, Peter, 88267 Vogt Keramik-Greifelement für Sportschuhe
US6948264B1 (en) 2000-04-26 2005-09-27 Lyden Robert M Non-clogging sole for article of footwear
JP2002315605A (ja) * 2001-04-19 2002-10-29 Minebea Co Ltd スタッド及びスタッド付きシューズ
DE20206406U1 (de) * 2002-04-23 2002-06-27 Siemens AG, 80333 München Anordnung mit Flachdisplayeinheiten
US8316562B2 (en) * 2006-05-30 2012-11-27 Cleats Llc Footwear cleat with cushioning
US8056267B2 (en) * 2008-05-30 2011-11-15 Nike, Inc. Article of footwear with cleated sole assembly
US9717306B2 (en) * 2014-07-23 2017-08-01 Hernan Sanchez Cleat assembly for an athletic shoe and an athletic shoe comprising same
US20220361631A1 (en) * 2021-05-17 2022-11-17 Ronald Lawrence Somers Wear-resistant, fully embedded node for extending the life of polyurethane used in restoring shoes
GB2628978A (en) * 2023-04-11 2024-10-16 Chate Kunda Enock Title of the invention: Studs for sports footwear

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3101763A (en) * 1959-06-01 1963-08-27 M & S Mfg Co Cleat mounting washer
US3522669A (en) * 1969-02-28 1970-08-04 Coors Porcelain Co Athletic shoe
US3925529A (en) * 1969-06-09 1975-12-09 Wright & Co Inc E T Method for making shoes with cleated bottoms
GB1277684A (en) * 1970-04-08 1972-06-14 Murex Ltd Footwear studs
JPS4821840U (fr) * 1971-07-26 1973-03-13
DE2313646C3 (de) * 1973-03-19 1980-08-14 Ludwig 7403 Ammerbuch Sailer Stollen für Sportschuhe, insbesondere für Fußballschuhe
DE7723365U1 (de) * 1977-07-27 1977-11-10 Moelde Gustav Moeller Kg, 4930 Detmold Schraubstollen für Sportschuhe
AU8318782A (en) * 1981-05-15 1982-11-18 Dowty Seals Limited Studs for footwear
JPS5815077A (ja) * 1981-07-18 1983-01-28 住友電気工業株式会社 セラミツクスパイク
DE3233900A1 (de) * 1982-09-13 1984-03-15 Sportartikelfabrik Karl Uhl Gmbh, 7460 Balingen Sportschuhsohle mit greifelementen
FR2539595B1 (fr) * 1983-01-20 1985-11-22 Patrick Sa Crampon pour chaussure de sport notamment de football, de rugby ou autre
IT8453140V0 (it) * 1984-03-16 1984-03-16 Michele Mione Tacchetto avvitabile di tipo perfezionato per scarpe ad uso sportivo
BR8503313A (pt) * 1984-07-19 1986-04-01 Dassler Puma Sportschuh Sapato esportivo com uma sola apresentando elementos pegadores substituiveis
DE3505665A1 (de) * 1985-02-19 1986-08-21 Puma-Sportschuhfabriken Rudolf Dassler Kg, 8522 Herzogenaurach Sportschuh

Also Published As

Publication number Publication date
EP0210362A3 (en) 1987-04-29
DE3660702D1 (en) 1988-10-20
EP0210362A2 (fr) 1987-02-04
US4698924A (en) 1987-10-13

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