EP0383489B1 - Rutschsichere Sohle für Schuhwerk - Google Patents

Rutschsichere Sohle für Schuhwerk Download PDF

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Publication number
EP0383489B1
EP0383489B1 EP90301356A EP90301356A EP0383489B1 EP 0383489 B1 EP0383489 B1 EP 0383489B1 EP 90301356 A EP90301356 A EP 90301356A EP 90301356 A EP90301356 A EP 90301356A EP 0383489 B1 EP0383489 B1 EP 0383489B1
Authority
EP
European Patent Office
Prior art keywords
sole
grooves
cleats
sole according
slip
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
EP90301356A
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English (en)
French (fr)
Other versions
EP0383489A1 (de
Inventor
William Frank Walker
Michael James Mellors
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.)
Lambert Howarth Safety Ltd
Original Assignee
Lambert Howarth Safety Ltd
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 Lambert Howarth Safety Ltd filed Critical Lambert Howarth Safety Ltd
Publication of EP0383489A1 publication Critical patent/EP0383489A1/de
Application granted granted Critical
Publication of EP0383489B1 publication Critical patent/EP0383489B1/de
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
    • A43B13/12—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
    • A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
    • A43B13/223—Profiled soles

Definitions

  • This invention relates to a slip-resistant sole for footwear.
  • GB-A-1542328, GB-A-545994 and GB-A-770588 disclose soles for shoes having wavy grooves extending transversely of the sole, which provide limited slip resistance in the longitudinal direction.
  • US-A-4570362 shows a modification including occasional straightsided ⁇ elongate cleats between transverse grooves.
  • GB-A-513375 discloses a shoe sole having hexagonal cleats in a honeycomb array.
  • a problem with which this invention is concerned is the provision of a slip-resistant sole which exhibits good slip-resistance omni-directionally or in the major directions in which slip is likely to occur both in the dry and in an environment such as a kitchen where spillage of both oil and water can occur.
  • a slip-resistant sole which exhibits good slip-resistance omni-directionally or in the major directions in which slip is likely to occur both in the dry and in an environment such as a kitchen where spillage of both oil and water can occur.
  • footwear that exhibits good slip-resistance on smooth tiled surfaces contaminated with cooking oils or fats.
  • the present invention provides a sole for footwear having a pattern of cleats to give slip-resistance, the cleats being defined by first and second grooves having a wavy shape separating adjacent cleats, the first grooves having a general direction transversely of the sole and running obliquely across the sole with the medial end of each first groove in advance of the lateral end, and the second grooves being directed so as to intersect the first grooves, characterised in that each cleat has first and second pairs of non-linear edges defined by the grooves and the first grooves have a pitch or wavelength related to the dimension of the cleats so that adjacent cleats have convex and concave edges alternately.
  • each cleat has a second pair of non-linear edges and adjacent cleats are separated by said second grooves.
  • the sole will be formed with a set of the grooves at equal spacings.
  • the leading edges act as squeegees to remove fluid films and for-that purpose are made as sharp as possible bearing in mind the materials and moulding techniques employed e.g. high-pressure moulding.
  • the grooves may run obliquely across the sole with the medial end of each groove in advance of the lateral end. Preferably the grooves are directed at an angle of about 65° to the toe to heel direction.
  • each cleat has a second pair of non-linear edges defined by second grooves separating adjacent cleats and directed so as to intersect the first grooves, said second grooves also having a wavy shape.
  • the angle of intersection is conveniently close to a right angle but need not be precisely 90°.
  • the second set of grooves will normally also be formed in the sole at equal spacings, with the spacing of the grooves of the second set being at least twice the spacing of the grooves of the first set.
  • the aspect ratio of the cleats undisturbed by a shoe edge is thus 2:1 or more.
  • the second grooves may have generally the same pitch or wavelength as the grooves of the first set, and may run obliquely across the sole in a direction opposite to the grooves of the first set, with the lateral end of each second groove in advance of the medial end.
  • the grooves of the second set may be directed at an angle of about 23° to the toe to heel direction.
  • the dimensions of the cleats should be sufficiently large to avoid the risk of break-away during service of the sole but there must also be sufficient grooves or channels to provide fluid drainage.
  • cleats not adjacent the edges of the sole each have a major dimension of about 12 mm and a minor dimension of about 6 mm.
  • the grooves are advantageously dimensioned for ease of cleaning and ease of the release of trapped articles on flexion. They are also dimensioned to maximise ground contact, to maximise break-up of fluid films on the ground under the sole, and to ensure that oils and water are likely to be expelled to the edges of the cleats and drained effectively. Thus they may be of width about 2 mm at the exposed face of the sole. The depth will normally be selected on the basis of intended service life of the sole, but is typically about 4 mm.
  • the sole has a lower face for continuous ground contact from toe to heel, and the pattern of cleats also extends continuously from the toe end to the heel end thereof.
  • Optimum slip resistance in an environment liable to oil and water contamination is provided by appropriate selection of sole cleat or stud pattern combined with appropriate selection of material and hardness.
  • the sole is preferably moulded in rubber, especially a nitrile or other oil-resistant rubber. It has been found that a sole moulded in rubber retains slip-resistance better than a moulded polyurethane sole using the materials presently available.
  • the material has to combine the properties of adequate oil-resistance, slip-resistance and abrasion resistance and for this purpose it should be of Shore hardness about 60-70, preferably about 65.
  • a lower rubber layer may be united at a blind face to an upper layer of blown polyurethane or other expanded plastics material.
  • the upper layer then preferably has a tranversely cupped forepart to support the weight of the metatarsus with a minimum of disturbance of the flatness of the lower face of the sole.
  • the invention is not, however, limited to use in purpose made slip- resistant footwear, and could take the form of rubber replacement for use in the repair of shoes, or it could be used in boots, shoes and slippers for wear by the general public.
  • the invention also provides a slip-resistant boot or shoe having a sole as aforesaid.
  • the invention resides in the use of a slip-resistant sole as aforesaid in a place having a smooth impermeable floor liable to contamination with oil or grease, for example a ceramic tiled floor of a catering establishment.
  • a moulded composite sole for safety shoes for use in kitchen having a ceramic tiled floor and in which much fried food is cooked such as a "fast food” establishement has a lower layer 10 of nitrile rubber of 65 Shore hardness and an upper layer 12 of blown polyurethane.
  • the polyurethane layer 12 cushions the foot and spreads the load onto the underlying rubber layer 10.
  • the lower face of the rubber layer 10 is formed with a pattern of equi-spaced first sinuous grooves 14 and a pattern of second sinuous gooves 16 intersecting the first grooves to define a pattern of studs or cleats having four non-linear edges.
  • the wavelength of the undulations of grooves 14 (which can resemble sine waves but need not have strict regularity) is related to the pitch or spacing of the grooves 16 so that cleats 18 are defined in which corresponding edges 22, 24 of many adjacent cleats are alternately convex and concave as shown.
  • the regularity of the undulations and the relationship between them may however be only approximate.
  • Both the grooves 14 and the grooves 16 are directed obliquely to the heel-toe direction and they intersect at approximately a right angle.
  • the grooves 14 are more significant for defining slip-resistance leading edges, whereas the grooves 16 which are directed closer to the toe to heel direction are more important from the standpoint of fluid drainage from the contact area.
  • sole is intended to make continuous flat ground contact from the ball of the foot to the heel, and that the pattern of cleats is continuous from toe to heel.
  • the heel is chamfered at an angle of about 15° as at 26, the undulating cleat-defining grooves 14, 16 extending into the heel region as shown.
  • the grooves 14 extend through a major portion of the thickness of the rubber layer 10, the layer 10 locally being 6 mm thick and the grooves 14 being 4 mm deep.
  • the profile of gooves 14 is inwardly tapering at an angle of 3° for ease of release during moulding and also for ease of cleaning.
  • the polyurethane layer 12 at the toe and metatarsal region of the sole is of thickness about 3mm, but thickness increases to about 20 mm in the heel region to cushion the force of heel contact during walking.

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

Claims (20)

  1. Sohle für Schuhwerk mit einer Anordnung von Stollen (18), die Rutschfestigkeit gewährleistet, wobei die Stollen durch erste und zweite Nuten (14, 16) mit Wellenform gebildet werden, die benachbarte Stollen (18) voneinander trennen, wobei die ersten Nuten (14) eine allgemeine Richtung quer zur Sohle aufweisen und schräg über die Sohle verlaufen, wobei das mittlere Ende jeder ersten Nut vor dem seitlichen Ende liegt, und wobei die zweiten Nuten (16) so gerichtet sind, daß sie die ersten Nuten (14) schneiden, dadurch gekennzeichnet, daß jeder Stollen (18) erste und zweite Paare nichtlinearer Ränder hat, die durch die Nuten gebildet werden, und die ersten Nuten (14) eine Teilung bzw. Wellenlänge haben, die ein solches Verhältnis zur Abmessung der Stollen (18) hat, daß benachbarte Stollen abwechselnd konvexe und konkave Kanten aufweisen.
  2. Sohle nach Anspruch 1, wobei eine Gruppe der ersten Nuten in gleichmäßigen Abständen in der Sohle ausgeformt ist.
  3. Sohle nach Anspruch 1 oder 2, wobei die ersten Nuten (14) im allgemeinen in einem Winkel von ungefähr 65° zur Zehen-Fersen-Richtung gerichtet sind.
  4. Sohle nach einem der vorangehenden Ansprüche, wobei eine Gruppe der zweiten Nuten (16) in gleichmäßigen Abständen in der Sohle ausgeformt ist.
  5. Sohle nach Anspruch 4, wobei der Abstand der Nuten (16) der zweiten Gruppe wenigstens das Zweifache des Abstandes der Nuten (14) der ersten Gruppe beträgt.
  6. Sohle nach Anspruch 4 oder 5, wobei die Nuten der zweiten Gruppe (16) in einer Richtung schräg über die Sohle verlaufen, die den Nuten der ersten Gruppe (14) entgegengesetzt ist, wobei das seitliche Ende jeder zweiten Nut vor dem mittleren Ende liegt.
  7. Sohle nach Anspruch 6, wobei die Nuten im allgemeinen in einem Winkel von ungefähr 23° zur Zehen-Fersen-Richtung gerichtet sind.
  8. Sohle nach einem der vorangehenden Ansprüche, wobei Stollen, die nicht an die Kanten der Sohle angrenzen, eine Hauptabmessung von ungefähr 12 mm und eine Nebenabmessung von ungefähr 6 mm haben.
  9. Sohle nach einem der vorangehenden Ansprüche, wobei die Nuten an der freiliegenden Fläche der Sohle eine Breite von ungefähr 2 mm haben.
  10. Sohle nach einem der vorangehenden Ansprüche, wobei die Nuten eine Tiefe von ungefähr 4 mm haben.
  11. Sohle nach einem der vorangehenden Ansprüche, die sich von der Ferse zur Zehe erstreckt und eine Anordnung von Stollen (18) aufweist, die sich kontinuierlich vom Zehenende zum Fersenende derselben erstreckt.
  12. Sohle nach einem der vorangehenden Ansprüche, die in Gummi geformt ist.
  13. Sohle nach Anspruch 12, wobei der Gummi ein Nitrilkautschuk oder ein anderes ölbeständiges Material mit Antirutscheigenschaften ist.
  14. Sohle nach Anspruch 12 oder 13, wobei der Gummi eine Shore-Härte von ungefähr 65 aufweist.
  15. Sohle nach einem der Ansprüche 12 bis 14, die eine untere Gummischicht (10) aufweist, die an einer verdeckten Fläche mit einer oberen Schicht (12) aus geschäumtem Polyurethan oder anderem aufgeschäumten Kunststoffmaterial verbunden ist.
  16. Sohle nach Anspruch 15, wobei die obere Schicht einen quer gekrümmten vorderen Teil aufweist, der das Gewicht des Mittelfußes bei minimaler Beeinträchtigung der Flachheit der Unterseite der Sohle trägt.
  17. Rutschfester Stiefel oder Schuh mit einer Sohle nach einem der Ansprüche 1 bis 16.
  18. Stiefel oder Schuh mit einer Sohle nach einem der Ansprüche 1 bis 17, wenn er als rutschfestes Schuhwerk an einem Ort eingesetzt wird, dessen Boden mit Öl oder Fett verunreinigt ist.
  19. Stiefel oder Schuh nach Anspruch 18, wenn er an einem Ort mit einem Keramikfliesen-Fußboden eingesetzt wird.
  20. Stiefel oder Schuh nach Anspruch 18 oder 19, wenn er in einer Küche eingesetzt wird.
EP90301356A 1989-02-16 1990-02-08 Rutschsichere Sohle für Schuhwerk Expired - Lifetime EP0383489B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8903595 1989-02-16
GB8903595A GB2228178B (en) 1989-02-16 1989-02-16 Slip-resistant sole for footwear

Publications (2)

Publication Number Publication Date
EP0383489A1 EP0383489A1 (de) 1990-08-22
EP0383489B1 true EP0383489B1 (de) 1995-05-03

Family

ID=10651842

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90301356A Expired - Lifetime EP0383489B1 (de) 1989-02-16 1990-02-08 Rutschsichere Sohle für Schuhwerk

Country Status (8)

Country Link
EP (1) EP0383489B1 (de)
AT (1) ATE121911T1 (de)
AU (1) AU5091190A (de)
DE (1) DE69019021T2 (de)
DK (1) DK0383489T3 (de)
GB (1) GB2228178B (de)
PT (1) PT93114A (de)
WO (1) WO1990009116A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1853519B (zh) * 2005-04-19 2011-06-29 株式会社岛野 鞋底部件及钓鱼用鞋

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5425184A (en) 1993-03-29 1995-06-20 Nike, Inc. Athletic shoe with rearfoot strike zone
US5625964A (en) 1993-03-29 1997-05-06 Nike, Inc. Athletic shoe with rearfoot strike zone
DE19638857C1 (de) * 1996-09-23 1998-01-15 Freudenberg Carl Fa Sicherheitsstiefel aus einem elastisch verformbaren, polymeren Werkstoff
USD425690S (en) 1997-11-07 2000-05-30 R.G. Barry Corporation Slipper sole
US7627961B2 (en) 2005-11-30 2009-12-08 Fila Luxembourg S.A.R.L. Enhanced sole assembly with offset hole
CN102578760B (zh) * 2011-01-13 2016-06-29 Sr控股有限公司 鞋类物品
CN102578759B (zh) * 2011-01-13 2015-11-25 Sr控股有限公司 鞋类物品
US8826566B2 (en) 2011-01-13 2014-09-09 SR Holdings, LLC Footwear
GB2487367A (en) * 2011-01-18 2012-07-25 Walk Ltd J Flexible sole for footwear
US8931187B2 (en) 2011-08-25 2015-01-13 Tbl Licensing Llc Wave technology
USD732810S1 (en) 2013-08-08 2015-06-30 Tbl Licensing Llc Footwear outsole
US10004294B2 (en) 2013-11-12 2018-06-26 Dansko, Llc Slip resistant soles and footwear
JP5844952B1 (ja) 2015-03-23 2016-01-20 株式会社アシックス グリップ性能を改良した靴底
CN105831878B (zh) * 2015-05-28 2017-11-03 福建鸿星尔克体育用品有限公司 仿生抓地防滑鞋底
WO2019136237A1 (en) * 2018-01-07 2019-07-11 Cole Haan Llc Shoe having cushion within heel member
USD905411S1 (en) 2018-08-01 2020-12-22 Tbl Licensing Llc Footwear outsole
USD912954S1 (en) 2018-08-01 2021-03-16 Tbl Licensing Llc Footwear
USD905406S1 (en) 2018-08-01 2020-12-22 Tbl Licensing Llc Footwear outsole
USD905408S1 (en) 2018-08-01 2020-12-22 Tbl Licensing Llc Footwear outsole
CN110861252B (zh) * 2019-11-22 2024-10-01 广东鹏骏新材料科技有限公司 阔边鞋底模具

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Publication number Priority date Publication date Assignee Title
FR825941A (fr) * 1936-12-02 1938-03-17 Plaques de caoutchouc à surface antidérapante et leurs applications
GB513375A (en) * 1938-05-24 1939-10-11 Dunlop Rubber Co Improvements in and relating to non-skid tread surfaces
GB545994A (en) * 1940-09-16 1942-06-23 Noeel Allingham Austin Improvements in non-skid soles for shoes
GB770588A (en) * 1954-07-30 1957-03-20 Us Rubber Co Improvements in floatable slip-resistant shoes
FR1267846A (fr) * 1960-06-13 1961-07-28 Ass De Prevention Des Accident Perfectionnements apportés aux semelles antidérapantes, notamment aux semelles de chaussures
GB1030402A (en) * 1962-03-02 1966-05-25 C I C Engineering Ltd Improvements in or relating to the manufacture of footwear
GB1286902A (en) * 1970-01-29 1972-08-31 Luther Austin & Sons Ltd Improvements in or relating to sports shoes
NO743636L (de) * 1974-05-28 1975-12-01 Famolare Inc
US3971145A (en) * 1975-05-22 1976-07-27 Uniroyal Inc. Tennis shoe and sole therefor
US4160331A (en) * 1978-02-21 1979-07-10 Michael Bell Outer shoe with gripping surface
GB2076725A (en) * 1980-05-23 1981-12-09 Liu Chin Lien Method of making laminated sole
US4571852A (en) * 1982-09-24 1986-02-25 Les Caoutchoucs Acton Ltee Anti-skidding sole
JPS602201A (ja) * 1983-06-20 1985-01-08 株式会社アサヒコーポレーション 運動靴底
FR2553635B1 (fr) * 1983-10-19 1987-04-17 Technisynthese Sarl Surface support en elastomere avec reseau de sculptures notamment semelle de chaussure dite " marine "

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1853519B (zh) * 2005-04-19 2011-06-29 株式会社岛野 鞋底部件及钓鱼用鞋

Also Published As

Publication number Publication date
GB2228178B (en) 1993-10-27
DK0383489T3 (da) 1995-08-14
EP0383489A1 (de) 1990-08-22
DE69019021T2 (de) 1995-12-14
WO1990009116A1 (en) 1990-08-23
AU5091190A (en) 1990-09-05
GB2228178A (en) 1990-08-22
GB8903595D0 (en) 1989-04-05
ATE121911T1 (de) 1995-05-15
DE69019021D1 (de) 1995-06-08
PT93114A (pt) 1990-08-31

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