EP0367297A2 - Rutschsichere Sohle - Google Patents

Rutschsichere Sohle Download PDF

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Publication number
EP0367297A2
EP0367297A2 EP89122138A EP89122138A EP0367297A2 EP 0367297 A2 EP0367297 A2 EP 0367297A2 EP 89122138 A EP89122138 A EP 89122138A EP 89122138 A EP89122138 A EP 89122138A EP 0367297 A2 EP0367297 A2 EP 0367297A2
Authority
EP
European Patent Office
Prior art keywords
friction
transverse
shoe sole
grooves
further characterised
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Withdrawn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
EP89122138A
Other languages
English (en)
French (fr)
Inventor
Erik O. Giese
Roger J. Brown
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.)
Stride Rite Corp
Original Assignee
Stride Rite Corp
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 Stride Rite Corp filed Critical Stride Rite Corp
Publication of EP0367297A2 publication Critical patent/EP0367297A2/de
Withdrawn legal-status Critical Current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
    • A43B13/14—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
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/08—Bathing shoes ; Aquatic sports shoes

Definitions

  • the invention relates to slip-resistant shoe soles.
  • Slip resistance can be improved by special tread patterns in the bottom surface of the outsole, and by siping the bottom of the outsole (i.e., incising parallel wavy cuts).
  • the invention features a slip-resistant shoe sole comprising an outsole layer having a bottom surface defining a region of contact between the sole and the ground, the outsole layer bearing a plurality of channels opening onto the bottom surface to define a pattern of elongated gaps across the contact region, the ratio of the area of the gaps to the surface area of the contact region and the configuration of the gaps being arranged to effectively cause liquid between the contact region and the ground to be conducted away, while enhancing the slip resistance produced by the contact region engaging the ground.
  • the outsole layer bears a plurality of siping slits (preferably only in the toe area); the ratio of the area of the gaps to the surface area of the contact region is no less than 10% and no more than 40%; each gap is no less than 1/16" wide; each gap is bounded by wiping edges where walls of the channel meet the bottom surface, the wiping edges being contoured to include sections perpendicular to a longitudinal axis of the sole and sections at oblique angles to the longitudinal axis, whereby liquid between the contact region and the ground is effectively forced into the channels and conducted to the perimeter of the sole, enhancing the slip resistance produced by the contact region engaging the ground at an angle of attack either along or oblique to the longitudinal axis; the portions of the contact region between the elongated gaps include friction pads no shorter than 3/16" (preferably 1/4") in their shortest dimension and no longer than 0.60" in their longest dimension; each channel has walls which meet the contact region at an angle greater than 105° (preferably 110°); the friction pads include
  • the grooves conduct liquid toward the shoe perimeter (i.e., away from weight-bearing and contact surfaces), and the siping aids by wiping the contact surface, thus improving the friction between the contact region and the ground and reducing slipping and hydroplaning.
  • the wiping edges enhance the wiping of liquid into the grooves
  • the contour of the wiping edges assures that wiping will occur even when the shoe strikes the ground in directions oblique to the longitudinal axis of the sole.
  • the void-to-contact ratio of gap area to contact area enhances both the conducting of liquid away from the shoe and the frictional slip-resistance of the contact region against the ground.
  • the size of the channels assures adequate space for the conducting of liquid, and the angle of the channel walls minimizes the accumulation of small objects in the channels.
  • the large angle between the channel walls and the contact region aids in ejecting foreign objects.
  • the sizes of the friction pads aid in their flexibility, and enable the friction pads to move independently of each other to provide good contact with the ground even during unusual foot movements or uneven weight distribution, e.g., movements on boat decks.
  • the friction pads and bars are large enough to reduce the likelihood of damage to them.
  • the sole effectively grinds particles, e.g., food, lying on the ground, thus reducing the likelihood of the user slipping.
  • the shock foam inserts reduce shock to the user's foot, and provide more uniformity of pressure distribution to the bottom of the outsole.
  • the flatness of the contact region improves the slip resistance.
  • the bottom surface of outsole 10 (men's size 10) has a tread pattern with sixteen transverse wavy grooves 12 on the toe and heel areas.
  • Grooves 12 are arranged in pairs 14, with the grooves of each pair connected by short straight grooves 16 each of which is oriented perpendicular to the two grooves of the pair and oblique to the longitudinal axis 18 of outsole 10.
  • Each groove pair 14 extends from one side to the other side of outsole 10 in a region outlined by Littleway stitching groove 20 which follows along the perimeter of outsole 10.
  • the axis 22 of each groove pair 14 is oriented at an 80° angle to axis 18.
  • each groove pair 14 is oriented perpendicular to axis 18.
  • each groove pair 14 has an extension 24 which passes beyond Littleway groove 20 to the very edge of outsole 10.
  • a row of friction pads 26 is defined by grooves 12, 16.
  • Each friction pad is no shorter than 3/16", and no longer than 0.60", preferably 1/4", long (i.e, in the direction of the longitudinal axis 18).
  • Between adjacent groove pairs 14 are friction bars 28, each of which is at least 3/8", and no longer than 0.60", preferably 1/2", long (in the direction of longitudinal axis 18).
  • Each friction bar 28 in the toe area bears a siping pattern 29 of three wavy cuts which undulate like grooves 12 (in Fig. 1, the siping is only shown on one of the frictions bars).
  • Each groove 12, by virtue of its wavy contour, has some sections which are perpendicular to axis 18 and other sections which are at various oblique angles to axis 18.
  • the heel portion of outsole 10 extends forward into the medial region to define an arch support 33.
  • grooves 12, 16, 20 are 0.080" deep v-shaped channels whose side walls 34 meet the bottom surface 36 of outsole 10 at an angle of at least 105° (preferably 110°) .
  • the corners where side walls 34 meet bottom surface 36 form wiping edges 35.
  • Each groove 12, 16 thus forms a gap 38 of no less than 1/16" (preferably 0.080") in bottom surface 36.
  • the void-to-contact ratio of the contact region of the ball and heel areas is between about 10% and about 40%, preferably about 20%.
  • Outsole 10 is molded of rubber (available under the name Sperry compound from Goodyear Tire & Rubber Company) having a durometer of 60-65 shore A. Outsole 10 is molded with the bottom surface 36 as flat as possible, minimizing doming or curving, to increase the contact area.
  • outsole 10 is molded with recesses in its upper surface to receive shock foam inserts 42, 44 in the toe and heel areas respectively.
  • the edges of the recesses are 0.520" from the perimeter of outsole 10.
  • Inserts 42, 44 are respectively 0.20" thick and 0.40" thick and are molded of shock attenuating foam (e.g., EVA, Sportcell, or cushion crepe).
  • the perimeter of outsole 10 is marked by wheeling 45.
  • the ratio of gap area to contact area in the range between 10% and 40% maximizes both the conducting of liquid away from the shoe and the frictional slip-resistance of the contact region against the ground. Pebbles or other objects are not caught in the grooves because the grooves are relatively open.
  • the sizes of the friction pads promote their flexibility which enhances friction and enables them to flex independently, while reducing the likelihood of damage to them.
  • Fig. 5 the tested average dynamic friction coefficients of various outsoles (including an outsole in accordance with the invention and other outsoles) having different void-to-contact percentages are shown. Each " ⁇ " indicates the average coefficient for a particular sole pattern.
  • the test involved weighting the outsole with a 120 lb. load and sliding it across a wet surface. The results reflect an average of five trials. The range of results among the five trials is represented by the shaded band.
  • the highest dynamic friction coefficients occurred with void-to-contact percentages in the range of 10% to 40%, preferably 20%.
  • outsole 100 (for use by restaurant employees) has a tread pattern of grooves 102.
  • arc-shaped grooves 102 In the toe area, there are six concentric arc-shaped grooves 102 (for men's size 10) centered on a point 104 near the inside edge of the toe area. Adjacent arc-shaped grooves are separated by successively greater intervals at greater distances from point 104. Adjacent arc-shaped grooves 102 are connected by short straight grooves 106 which are aligned on radii centered at point 104. Littleway groove 108 follows along the perimeter of outsole 10. Extensions 110 of some of the arc-shaped grooves, and of some of the short straight grooves, extend beyond Littleway groove 108 to the edge of outsole 110.
  • arc-shaped grooves 112 which are generally perpendicular to the longitudinal axis 114 of outsole 100 and extend from side to side in the region outlined by Littleway groove 108. Two of the grooves 112 extend beyond Littleway groove 108 to the edge of outsole 100.
  • Grooves 102, 108 and extensions 110 are 0.090" deep v-shaped channels which form gaps of 0.110" in the bottom surface of outsole 100.
  • Each channel has a bottom radius of 0.04" to 0.06".
  • the side walls of each channel meet the bottom surface at an angle of 105°.
  • Outsole 100 is molded of rubber having a durometer of 52-56 Shore A scale.
  • the pattern of outsole 100 is particularly suitable in uses which require frequent rotational or swiveling motion around the ball area.
  • the undulations of each cut can be more frequent (200) than in Fig. 1.
  • the number of cuts on each friction bar can be more or less than three (200).
  • the undulations can be relatively frequent waves superimposed on less frequent waves (202, 204, 206) and the orientations of the superimposed more frequent waves can either be coordinated with the longitudinal axis (206) or with the less frequent waves on which they are superimposed (202, 204).

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP89122138A 1984-05-18 1984-11-16 Rutschsichere Sohle Withdrawn EP0367297A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61205084A 1984-05-18 1984-05-18
US612050 1984-05-18

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP84307977.3 Division 1984-11-16

Publications (1)

Publication Number Publication Date
EP0367297A2 true EP0367297A2 (de) 1990-05-09

Family

ID=24451504

Family Applications (2)

Application Number Title Priority Date Filing Date
EP84307977A Withdrawn EP0165353A1 (de) 1984-05-18 1984-11-16 Gleitschutzsohle
EP89122138A Withdrawn EP0367297A2 (de) 1984-05-18 1984-11-16 Rutschsichere Sohle

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP84307977A Withdrawn EP0165353A1 (de) 1984-05-18 1984-11-16 Gleitschutzsohle

Country Status (3)

Country Link
EP (2) EP0165353A1 (de)
ES (1) ES295771Y (de)
IT (2) IT8552831V0 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10004294B2 (en) 2013-11-12 2018-06-26 Dansko, Llc Slip resistant soles and footwear

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8908100U1 (de) * 1989-07-03 1989-08-10 Lowa-Schuhfabrik Lorenz Wagner GmbH & Co KG, 8069 Jetzendorf Schuhsohle mit Dämpfungselementen
FR2722375B1 (fr) * 1994-07-12 1996-08-30 Vermonet Christian Surface antiderapante, en particulier surface de support d'une semelle de chaussure
DE102012206094B4 (de) 2012-04-13 2019-12-05 Adidas Ag Sohlen für Sportschuhe, Schuhe und Verfahren zur Herstellung einer Schuhsohle
US9930928B2 (en) 2013-02-13 2018-04-03 Adidas Ag Sole for a shoe
DE102013202306B4 (de) 2013-02-13 2014-12-18 Adidas Ag Sohle für einen Schuh
DE102013202291B4 (de) 2013-02-13 2020-06-18 Adidas Ag Dämpfungselement für Sportbekleidung und Schuh mit einem solchen Dämpfungselement
US9610746B2 (en) 2013-02-13 2017-04-04 Adidas Ag Methods for manufacturing cushioning elements for sports apparel
DE102013002519B4 (de) 2013-02-13 2016-08-18 Adidas Ag Herstellungsverfahren für Dämpfungselemente für Sportbekleidung
USD776410S1 (en) 2013-04-12 2017-01-17 Adidas Ag Shoe
DE102014215897B4 (de) * 2014-08-11 2016-12-22 Adidas Ag adistar boost
DE102014216115B4 (de) 2014-08-13 2022-03-31 Adidas Ag Gemeinsam gegossene 3D Elemente
DE102015202013B4 (de) 2015-02-05 2019-05-09 Adidas Ag Verfahren zur Herstellung eines Kunststoffformteils, Kunststoffformteil und Schuh
JP6679363B2 (ja) 2015-03-23 2020-04-15 アディダス アーゲー ソールおよびシューズ
DE102015206486B4 (de) 2015-04-10 2023-06-01 Adidas Ag Schuh, insbesondere Sportschuh, und Verfahren zur Herstellung desselben
DE102015206900B4 (de) 2015-04-16 2023-07-27 Adidas Ag Sportschuh
CN104814570B (zh) * 2015-04-24 2016-10-26 茂泰(福建)鞋材有限公司 一种耐油止滑鞋底及具有该鞋底的鞋
DE102015209795B4 (de) 2015-05-28 2024-03-21 Adidas Ag Ball und Verfahren zu dessen Herstellung
USD783264S1 (en) 2015-09-15 2017-04-11 Adidas Ag Shoe
USD840137S1 (en) 2016-08-03 2019-02-12 Adidas Ag Shoe midsole
USD840136S1 (en) 2016-08-03 2019-02-12 Adidas Ag Shoe midsole
USD852475S1 (en) 2016-08-17 2019-07-02 Adidas Ag Shoe
JP1582717S (de) 2016-09-02 2017-07-31
USD899061S1 (en) 2017-10-05 2020-10-20 Adidas Ag Shoe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2206860A (en) * 1937-11-30 1940-07-09 Paul A Sperry Shoe
FR1158294A (fr) * 1955-10-11 1958-06-12 Romika Kg Lemm & Co Semelle profilée à profondeur variable de découpage destinée en particulier à des chaussures de tennis
FR2148347B3 (de) * 1971-08-09 1973-08-10 Noel Freres
DE7431162U (de) * 1974-09-16 1974-12-19 Lemm & Co Gmbh Schaftstiefel, insbesondere Seglerstiefel
FR2434587A1 (fr) * 1978-09-04 1980-03-28 Adidas Chaussures Semelle de chaussures destinees aux sports en salle
US4378641A (en) * 1981-02-06 1983-04-05 Tarlow Arthur S Boat shoe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10004294B2 (en) 2013-11-12 2018-06-26 Dansko, Llc Slip resistant soles and footwear

Also Published As

Publication number Publication date
ES295771U (es) 1987-04-16
IT8567024A1 (it) 1986-07-11
IT8552831V0 (it) 1985-01-11
ES295771Y (es) 1987-12-01
EP0165353A1 (de) 1985-12-27
IT1182350B (it) 1987-10-05
IT8567024A0 (it) 1985-01-11

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