EP3749131A1 - Outsole for footwear and footwear provided with said outsole - Google Patents
Outsole for footwear and footwear provided with said outsoleInfo
- Publication number
- EP3749131A1 EP3749131A1 EP19707883.5A EP19707883A EP3749131A1 EP 3749131 A1 EP3749131 A1 EP 3749131A1 EP 19707883 A EP19707883 A EP 19707883A EP 3749131 A1 EP3749131 A1 EP 3749131A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strips
- outsole
- heel
- teak
- outsole 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.)
- Pending
Links
- 240000002871 Tectona grandis Species 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 18
- 229920003023 plastic Polymers 0.000 claims abstract description 12
- 239000004033 plastic Substances 0.000 claims abstract description 12
- 239000003086 colorant Substances 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000000007 visual effect Effects 0.000 claims abstract description 4
- 239000002023 wood Substances 0.000 claims abstract description 3
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 5
- 238000009958 sewing Methods 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 20
- 229920000915 polyvinyl chloride Polymers 0.000 description 17
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000010985 leather Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000005060 rubber Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- A43B13/04—Plastics, rubber or vulcanised fibre
-
- 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
-
- 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
- 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
- A43B13/24—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer by use of insertions
- A43B13/26—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer by use of insertions projecting beyond the sole surface
Definitions
- the present invention substantially relates to an outsole for footwear, preferably but not exclusively, made of high-flexibility polyvinyl chloride (PVC), as well as to footwear comprising an upper either sewn or otherwise fastened to said outsole.
- the surface of the outsole made of PVC may be substantially flat or non flat; in either case, said outsole is made of two blends having different colors which are placed side- by-side to reproduce the effect of the teak decks and bridges of yachts with teak strips interspersed with seams.
- Said seams, which in the flat version form the walking tread together with the teak strips, in the non-flat version are the first to be in contact with the ground, because they protrude from the rest of the outsole, preferably for about S/5 millimeters.
- flat outsole means an outsole the surface of which has no protruding parts from the rest of the outsole
- non flat outsole means an outsole the surface of which is provided with parts which protrude from the rest of the outsole.
- flat outsole does not mean that the outsole has a surface mandatorily lying on a geometrical plane.
- the present invention relates to the field of production of footwear for men, women and children, and in particular relates to an outsole of lowered type made of high-flexibility polyvinyl chloride (PVC) , and to footwear comprising an upper sewn to said outsole.
- PVC polyvinyl chloride
- the present invention also relates to the corresponding production method for assembling the outsole, produced by a co-extrusion process and consisting of sole, heel and shank, by sewing and/or gluing the upper to obtain the complete footwear.
- footwear of the known type consists of an upper associated with an outsole which, where a heel is provided, can be divided into sole, heel and shank, the latter being the part of the outsole which does not touch the ground while walking because said more or less high heel spaces it apart from the ground; an insole normally made of either genuine or man-made leather, which encloses a padding in order to make walking more comfortable, is preferably inserted into the upper.
- a method for manufacturing an outsole made of plastic material by means of an injection molding production process is known from US 2016/206041.
- This type of process has the following disadvantages as compared to the co-extrusion process to be used in the present invention: increased production costs due to the construction of several molds.
- US 2016/206041 requires a double mold for each foot, which must be multiplied by the number of different sizes chosen for producing each single shoe model.
- the injection molding it is absolutely not possible to obtain a real “teak deck” effect; at most, shapes and colors may be similar but not the feel.
- Footwear with an outsole made of plastic material which is undoubtedly obtained by means of an injection molding process, with the same limitations as above, is also known from GB 2008926.
- outsole made of leather, rubber or PVC made to meet specific fields of use, as well as to cater for fashion trends, the invention described herein relates to an innovative outsole, preferably made of PVC.
- outsoles with studs (or tacks) made of rubber or PVC (obviously inspired by golfing) successfully introduced on the market in the early 1990s by a well-known footwear brand are very well- known and appreciated.
- the present invention takes inspiration from yachting and substantially differs from any previous technical solution thus improving ergonomics, walking comfort, wear resistance of materials and parts with which said shoe is assembled, as well as appearance.
- the invention can be embodied by mutually alternating and coupling a plurality of strips of PVC having the color of teak wood with a plurality of strips of PVC having the black color of the seams used to seal the decks of yachts, where the width of said teak wood-colored strips is significantly greater than that of the black ones: e.g. 10 times larger.
- the narrower black strips i.e. those corresponding to the seams of the yacht decks
- figure 1 shows a bottom view of an outsole according to the invention, in which the black seams may protrude or not from the surface of the rest of the teak-colored outsole;
- figure 2 diagrammatically shows a perspective bottom view of a first embodiment of the outsole, provided with seams (6a) protruding from the rest of the outsole;
- figure B is a side perspective view of a second embodiment of the outsole, in which the seams (6b) do not protrude from the teak-colored strips;
- figure 4 is a side view of the outsole in figure
- figure 5 shows a bottom view of a variant of the outsoles in figures 1 and 2, which in this case are pre-perforated for the presence of the sewn seam with a waxed Dyneema ® twine;
- figure 6 is a perspective bottom view of a third embodiment of the invention, in which the outsole is a seamless sole with protruding PVC seams (6a) which also continue on the rear vertical part of the heel;
- figure 7 is a rear view of a variant of the third embodiment in fig. 6, in which the seams and the teak- colored part continue on the heel cap over the heel.
- the bottom view in fig. 1 corresponds to both the first and the second embodiment of the outsole according to the invention, which are both capable of being used to obtain classic-type footwear for men, women and children (figs. 1 to 5).
- the outsoles according to the present invention are preferably, but not exclusively, made of plastic material, such as polyvinyl chloride (PVC), with two blends having different colors which reproduce the effect of the teak bridges and decks of yachts with teak strips alternated with black seams (6a and 6b).
- PVC polyvinyl chloride
- the width of each teak wood-colored PVC strip may be from 8 to 12 times (preferably 10 times) greater than that of the adjacent black PVC strip (6a, 6b) of the seam used to seal the decks of yachts.
- the construction includes assembling a heel (3) and a sole (1), leaving the shank (2) free.
- Figs. 4 and 5 show a variant of the invention in which the assembly of the outsole, provided with teak and seam strips, to the leather insole (5) and upper (4) is achieved by a sewn upper/outsol e seam (9) carried out according to the Goodyear or Blake/Rapid or Norwegian modes using a waxed Dyneema ® twine (10) of appropriate size.
- the PVC outsole depicted in fig. 2 and fig. 4
- the thickness of the seam strips 6a is greater than that of the teak strips, thus protruding from the rest of the outsole and representing the point of greatest grip while walking.
- said protrusion will be of 3/5 millimeters, thus contributing not only to a pleasant visual effect of the footwear as a whole but also to an excellent grip of the tread.
- a third embodiment (fig. 6 and fig. 7) of the invention is used for assembling sneakers.
- the outsole made of PVC which can be either “flat” or “non-flat”, is seamlessly shaped without interruptions between heel (B) , sole (1) and shank (2): therefore, it forms the entire walking tread .
- the seam (6a or 6b) may also rise in the heel cap region (12), as shown in figure 7, or stop at the heel region (13), as shown in figure 6.
- the outsole structure according to the invention in addition to being manufactured with a new material (different PVC blends) is certainly more comfortable and ergonomic, because, especially in the version with protruding seam 6a aligned with the walking direction, provides multiple advantages in terms of greater step stability and grip with the treading surface.
- the wear of the invention is smaller than that of known solutions, indeed if the co-extrusion of the outsole coincides with the longitudinal direction of the seams which represent the walking support “on the road”, the crosswise friction is negligible, thus ensuring more “life” for outsole and footwear.
- the colors of the wider and narrower strips (6a, 6b) can be different from those described heretofore, or may be mutually exchanged, without departing from the scope of protection of the claims appended hereto.
- a possible modification of the invention could include strips made of PVC which, instead of being arranged longitudinally in the toe-heel direction, are arranged transversely to such a direction, or are arranged obliquely thereto, with any direction, e.g. 45°, but not limited to that angl e .
- the outsole according to the present invention can also be made of other plastic materials without changing the benefits or functionality thereof.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT201800002395A IT201800002395A1 (it) | 2018-02-05 | 2018-02-05 | Struttura di suola e sottopiede e calzatura ottenuta con detta suola o sottopiede |
PCT/IB2019/050912 WO2019150344A1 (en) | 2018-02-05 | 2019-02-05 | Outsole for footwear and footwear provided with said outsole |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3749131A1 true EP3749131A1 (en) | 2020-12-16 |
Family
ID=62143457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19707883.5A Pending EP3749131A1 (en) | 2018-02-05 | 2019-02-05 | Outsole for footwear and footwear provided with said outsole |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP3749131A1 (ko) |
JP (1) | JP2021513475A (ko) |
KR (1) | KR20200133735A (ko) |
CN (1) | CN112203548B (ko) |
AU (1) | AU2019214560A1 (ko) |
BR (1) | BR112020015911B1 (ko) |
EA (1) | EA202091875A1 (ko) |
IT (1) | IT201800002395A1 (ko) |
MA (1) | MA51745A (ko) |
WO (1) | WO2019150344A1 (ko) |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2753205C3 (de) * | 1977-11-29 | 1985-12-12 | Michael W. Dipl.-Kfm. 5100 Aachen Schmohl | Durchgehende Laufsohle für Sportschuhe |
SU1098540A1 (ru) * | 1982-04-15 | 1984-06-23 | Центральный научно-исследовательский институт кожевенно-обувной промышленности | Способ изготовлени обуви с литьевой подошвой |
US4676010A (en) * | 1985-06-10 | 1987-06-30 | Quabaug Corporation | Vulcanized composite sole for footwear |
WO1994013164A1 (en) * | 1992-12-10 | 1994-06-23 | Nike International Ltd. | Bonding of rubber to plastic in footwear |
JP2001299404A (ja) * | 2000-04-25 | 2001-10-30 | Asahi Corp | 靴 底 |
JP5069429B2 (ja) * | 2006-06-29 | 2012-11-07 | 株式会社シマノ | 靴底材および釣用靴 |
US7810252B2 (en) * | 2007-02-09 | 2010-10-12 | Nike, Inc. | Laminate and method for making laminate |
GB0813760D0 (en) * | 2008-07-28 | 2008-09-03 | Connor Michael J O | Footwear |
DE102012206094B4 (de) * | 2012-04-13 | 2019-12-05 | Adidas Ag | Sohlen für Sportschuhe, Schuhe und Verfahren zur Herstellung einer Schuhsohle |
US20150173453A1 (en) * | 2013-12-20 | 2015-06-25 | Columbia Sportswear North America, Inc. | Self sealing system for waterproof coupling of uppers to outsoles |
CN203913587U (zh) * | 2014-04-14 | 2014-11-05 | 山东大学 | 行走发热鞋 |
US10743617B2 (en) * | 2015-01-26 | 2020-08-18 | Nike, Inc. | Woven footwear upper with integrated tensile strands |
CN204914829U (zh) * | 2015-07-31 | 2015-12-30 | 重庆市惠美实业有限公司 | 橡胶外底挤压装置 |
-
2018
- 2018-02-05 IT IT201800002395A patent/IT201800002395A1/it unknown
-
2019
- 2019-02-05 WO PCT/IB2019/050912 patent/WO2019150344A1/en active Search and Examination
- 2019-02-05 JP JP2020563840A patent/JP2021513475A/ja active Pending
- 2019-02-05 CN CN201980023608.7A patent/CN112203548B/zh active Active
- 2019-02-05 EA EA202091875A patent/EA202091875A1/ru unknown
- 2019-02-05 KR KR1020207025592A patent/KR20200133735A/ko not_active Application Discontinuation
- 2019-02-05 MA MA051745A patent/MA51745A/fr unknown
- 2019-02-05 BR BR112020015911-5A patent/BR112020015911B1/pt active IP Right Grant
- 2019-02-05 AU AU2019214560A patent/AU2019214560A1/en active Pending
- 2019-02-05 EP EP19707883.5A patent/EP3749131A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2019150344A1 (en) | 2019-08-08 |
MA51745A (fr) | 2021-05-12 |
BR112020015911B1 (pt) | 2023-05-02 |
EA202091875A1 (ru) | 2020-12-29 |
KR20200133735A (ko) | 2020-11-30 |
CN112203548B (zh) | 2022-08-23 |
IT201800002395A1 (it) | 2019-08-05 |
JP2021513475A (ja) | 2021-05-27 |
AU2019214560A1 (en) | 2020-09-24 |
BR112020015911A2 (pt) | 2020-12-15 |
CN112203548A (zh) | 2021-01-08 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
Effective date: 20200901 |
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AK | Designated contracting states |
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DAX | Request for extension of the european patent (deleted) | ||
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Effective date: 20240105 |