EP2510817A1 - Semelle d'usure et son procédé de fabrication - Google Patents

Semelle d'usure et son procédé de fabrication Download PDF

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Publication number
EP2510817A1
EP2510817A1 EP12163440A EP12163440A EP2510817A1 EP 2510817 A1 EP2510817 A1 EP 2510817A1 EP 12163440 A EP12163440 A EP 12163440A EP 12163440 A EP12163440 A EP 12163440A EP 2510817 A1 EP2510817 A1 EP 2510817A1
Authority
EP
European Patent Office
Prior art keywords
layer
outsole
cork
polymer
polymer layer
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Withdrawn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
EP12163440A
Other languages
German (de)
English (en)
Inventor
Lingg Edwin
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.)
Li & Co AG
Original Assignee
Li & Co 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
Application filed by Li & Co AG filed Critical Li & Co AG
Publication of EP2510817A1 publication Critical patent/EP2510817A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/0072—Footwear characterised by the material made at least partially of transparent or translucent materials
    • 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
    • A43B13/122—Soles with several layers of different materials characterised by the outsole or external layer
    • 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
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/0036—Footwear characterised by the shape or the use characterised by a special shape or design
    • A43B3/0078—Footwear characterised by the shape or the use characterised by a special shape or design provided with logos, letters, signatures or the like decoration
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/10—Low shoes, e.g. comprising only a front strap; Slippers
    • A43B3/108—Low shoes, e.g. comprising only a front strap; Slippers characterised by the sole
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/12—Sandals; Strap guides thereon
    • A43B3/128—Sandals; Strap guides thereon characterised by the sole

Definitions

  • the present invention relates to an outsole and a method for producing the same.
  • Cork or leather pulp is well known in the outsole of a shoe as an environmentally friendly and runnability enhancing interlayer.
  • a problem with these known soles is that the cork / leather pulp is usually provided only to a certain extent in the sole. There is always provided an additional layer of rubber or plastic, which closes the layer of cork / leather fiber downwards. This complicates the sole structure.
  • the polymer layer is applied as a running layer to the underside of the outsole layer by printing technology.
  • the outsole layer consists of cork and / or leather pulp.
  • conventional printing techniques such as spraying, sifting or, for example, with rollers, imprinting can be used.
  • the polymer layer may also be applied as a film and chemically or thermally bonded to the cork-containing outsole layer and cured. In this way, the extremely thin polymer layer having a thickness of less than 0.3 mm, in particular less than 0.15 mm is intensively bonded to the outsole layer and the outsole becomes more wear-resistant overall.
  • the advantage of the invention is that with the printing process extremely thin polymer layers can be applied to the outsole layer and that by means of this thin layer, the wear resistance of the cork layer is considerably increased.
  • An otherwise necessary rubber or plastic layer conventional thickness of several millimeters thickness on the underside of the outsole layer can thus be omitted.
  • the cork content of the total sole can be increased, which improves the wearing comfort, and the environmental compatibility of the finished product, since cork is naturally degradable.
  • we simplified the production because a location and the associated bonding process is saved.
  • the overall thickness of the cork floor can also be reduced, opening up new applications for even finer shoes.
  • thermosetting polymers are used for the polymer layer and the polymer layer is heat-treated after application (hot-coating).
  • the polymer layer is heat-treated after application (hot-coating).
  • an extremely thin and hard wear-resistant polymer layer is achieved, which is intimately connected to the outsole layer.
  • the layer may also be applied as a thin film less than 0.3 mm thick, e.g. as a polyolefin film, which is subsequently heat treated ..
  • outsole layer is used synonymously for all layers which comprise a cork layer, a cork-containing layer or a layer Leather pulp contains, or layered composites of these layers.
  • cork-containing layer refers to layers having a cork content of over 50%.
  • the outsole has a medial layer facing the shoe upper which either itself serves as a sole to form the footbed or which is connected to the insole of the shoe upper or shaft in conventional technique.
  • conventional joining techniques e.g. Stapling, sewing and gluing, also in all possible combinations.
  • the network layer is preferably made of a leather pulp or leather.
  • the network layer in particular made of leather or leather pulp, brings a firm connection of the upper sole to the outsole and can also serve as a footbed itself, whereby the outsole then forms the entire sole of the shoe.
  • the sole layer is connected to the network layer.
  • This outsole layer contributes to an improvement in running properties and increases e.g. the tread elasticity. It gives a quiet, quieter kick and has good heat insulating properties. Due to the high proportion of cork or the leather fiber material, the outsole layer has a joint-sparing damping effect.
  • cork or a cork mixture is a renewable natural product.
  • the outsole layer can be press cork, in which, for example, broken grain is bound by a binder polymer, for example polyurethane, as described, for example, in US Pat DE 196 29 017 is described.
  • the outsole layer preferably has a thickness of 1 to 20 mm, in particular 1 to 10 mm.
  • no further rubber layer or the like is applied to the underside and / or upper side of the outsole layer, but a very thin polymer layer, e.g. a synthetic resin paint applied with a maximum thickness of 0.3 mm.
  • the e.g. corky outsole layer is thus virtually only painted.
  • a motif e.g. imprinting a photograph or image, thereby creating visually appealing designs of the shoe, and at the same time being made wear-resistant by the subsequent polymer layer, the motif and the outsole layer.
  • the polymer layer e.g. a lacquer layer may be used, e.g. from the hot-coating of flooring is known.
  • the underside of the outsole layer solidified by the polymer coating is therefore resistant to wear and, in contrast to the prior art, does not require any additional running layers.
  • the polymer layer may be made of synthetic resin or reactive polyurethane, for example. However, polyethylene or polypropylene or thinnest polyolefin layers up to 0.3 mm thick may also be used. If an application to the underside of the outsole layer facing the bottom is also preferred, the polymer layer (with or without motif) can be applied optionally or additionally to the upper side of the outsole layer. As a manufacturing technology advantageous, a thickness of the polymer layer of up to 0.15 mm has been found.
  • the polymer layer contains corundum particles on the underside of the outsole layer.
  • the "paint layer" on the bottom of the outsole layer is very roughened and prevents slipping on smooth or wet surfaces.
  • the corundum particles have a particle size smaller than 50 .mu.m, in particular smaller than 10 .mu.m, whereby on the one hand the desired reduction of the slip susceptibility of the Outsole is achieved and on the other hand, the strength properties of the polymer layer are not affected.
  • the outsole can be a flat outsole. It can still have a profile or be profileless. By applying the polymer coating by spraying the application on any profiled undersides is possible.
  • outsole layer in the case of an outsole layer of cork instead of natural cork or pressed cork, mixtures of linoleum with a cork content of more than 50% may be used or a mixture of cork with rubber or cork with rubber or cork with other sole materials known per se. The binding of these mixtures is then carried out in a conventional manner by also known per se binder and adhesive.
  • leather pulp is a material usually made from chrome shavings and shredded, vegetable-tanned leather residues from the leather processing industry, with natural latex as a binder, natural fats and tannins.
  • latex as a binder, natural fats and tannins.
  • the term "leather pulp” is regulated in EN 15987.
  • the outsole layer may also be multi-layered, with the bottom layer preferably made of a cork veneer such as e.g. is known for the production of cork floors, with a thickness of 0.3 - 5 mm.
  • This cork veneer has a greater density and strength and is therefore used as a lower layer, i. as a running layer advantageous.
  • the cork veneer may be made of natural cork veneer, pressed cork veneer or a cork-containing linoleum with a cork content of more than 50%.
  • the outsole layer can also be multi-layered and contain cork layers or cork-containing layers and layers of leather pulp.
  • Very effective effects can be achieved if the underside of the outsole layer is printed with the polymer layer prior to coating or painting, e.g. with a logo or a photo or the like.
  • the environmentally friendly and the comfort-enhancing property of the cork layer can be combined with their good printability in a symbiotic manner, so that the comfortable and environmentally friendly shoe can also be very fashionable aligned.
  • the invention also relates to a shoe having an outsole formed according to at least one of the upper characteristics.
  • the outsole 10 has an upper plating layer 12 of split leather, which has a leather layer 2 mm thick.
  • a cork-containing outsole layer 14 is bonded.
  • This layer consists for example of pressed cork, which is made in accordance with the DE 196 29 017 ,
  • the outsole layer 14 has different at the different points of the sole Strengthen.
  • the thickness is around 10 mm, whereas the thickness of the outsole layer 14 in the heel region 18 is 15 mm.
  • a lacquer layer 20 of reactive polyurethane Downstream of the outsole layer 14 is applied as a polymer layer, a lacquer layer 20 of reactive polyurethane having a thickness of 0.2 mm or less.
  • the lacquer layer 20 is mixed with fine corundum particles with a size of less than 30 microns to increase the slip resistance of the sole.
  • a heel In deviation from the illustrated sole, it may also have a profile at the bottom.
  • the illustrated embodiment of a heel is optional.
  • a leather fiber layer can also be used.
  • the polymer layer is applied to the outsole layer by sifting, printing, spray coating or hot coating.
  • FIG. 2 shows an outsole 30 for a light summer shoe.
  • the outsole 30 has an upper sole 32 made of leather, wherein the upper layer serving as a mediating layer here serves as an insole.
  • Under the leather upper sole 32 with a thickness of 1.5 mm is a press cork base 34 with a thickness of 2 mm.
  • On the underside of the press-cork running layer 34 is applied an abrasion-resistant lacquer coating 36 made of polyurethane, which has been applied to the press-cork running layer 34 in a hot-coating process.
  • FIG. 2 shows the representation of a) a vertical longitudinal section through the outsole 30, while the representation b) shows a plan view of the sole.
  • Sole shown can be glued or sewn parts of the shaft, such as straps and heel parts.
  • FIG. 3 shows a sole 40 of a light summer shoe, such as a flip-flop.
  • the sole has an upper sole 42 as a natural cork veneer footbed with a thickness of 0.5 mm.
  • Under the upper sole 42 there is a leather fiber fabric layer 44 with a thickness of 1.5 mm as the network layer.
  • an outsole layer 46 made of press cork is glued with a thickness of 2.5 mm, which is prepared by methods known per se, for example as described in the DE 196 29 017 is described.
  • a print layer 48 having a graphic design is digitally applied, the print layer 48 has a thickness of 0.05 mm.
  • a corundum-containing transparent PU coating 50 is applied to the digital printing 48 in a hot-coating process.
  • the polymer coating 50 has a thickness of 0.1 mm. The contained corundum particles increase the slip resistance of the sole on the ground.
  • Fig. 4 shows an outsole 60 consisting of a 1.5 mm thick plating layer 62, a two-ply outsole layer 64 arranged underneath, consisting of an upper natural cork layer 66 having a thickness of 8 to 15 mm, under which a cork veneer layer 68 of pressed cork with a thickness of 2 to 5 mm, which is slightly harder and denser than the overlying natural cork layer 66.
  • the cork veneer layer 68 is a somewhat more wear resistant running interface for the sole.
  • On the underside of the press cork layer 68 is printed a graphic design 70 having a thickness of 0.1 mm, which is covered by a 0.2 mm thick transparent polyolefin layer 72, which is a film applied and heat treated.
  • the different layers of the aforementioned soles are glued together by known per se adhesive.
  • the upper shoe can be attached to the soles shown by methods known per se, such as sewing, stitching or gluing. Attachment methods for attaching the upper shoe to the sole can also be combined.
  • the thicknesses of the different layers shown in the various embodiments may vary within the limits of the claims.
  • all known printing technology methods can be used for applying the polymer layer, in particular the hot coating method.
  • a leather fiber layer may also be used instead of an outsole layer of cork.
  • the polymer layer especially with prior application of a motif, e.g. in digital or screen printing, can also be applied to the top of the outsole layer, which allows to apply visually appealing motifs in abrasion-resistant manner on the foot facing the wear side of the shoe.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP12163440A 2011-04-15 2012-04-05 Semelle d'usure et son procédé de fabrication Withdrawn EP2510817A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110002116 DE102011002116A1 (de) 2011-04-15 2011-04-15 Laufsohle und Verfahren zu ihrer Herstellung

Publications (1)

Publication Number Publication Date
EP2510817A1 true EP2510817A1 (fr) 2012-10-17

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EP12163440A Withdrawn EP2510817A1 (fr) 2011-04-15 2012-04-05 Semelle d'usure et son procédé de fabrication

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EP (1) EP2510817A1 (fr)
DE (1) DE102011002116A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017013601A1 (fr) * 2015-07-20 2017-01-26 Ecochic Portuguesas - Footwear And Fashion Products, Lda Semelles en liège pour article chaussant et leur procédé de fabrication
IT201700067598A1 (it) * 2017-06-19 2018-12-19 Fait Plast S P A Calzatura con suola esterna in cuoio resistente all’abrasione, suola esterna in cuoio resistente all’abrasione e relativi procedimenti di fabbricazione.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629051A (en) * 1969-06-03 1971-12-21 Mitchell Tackle Inc Nonslip article of manufacture and process for making same
DE8908804U1 (de) * 1989-06-22 1989-09-14 Schiele & Hirsch GmbH Schuhfabrik, 8079 Egweil Schuh, insbesondere Haus- und Freizeitschuh
DE19629017A1 (de) 1996-07-18 1998-01-22 Burger Sabine Hochelastischer und leichter Preßkork
DE19834910A1 (de) * 1998-08-03 2000-02-24 Fogal Ag Hausschuh
US20020092200A1 (en) * 2000-10-17 2002-07-18 R & S Trading Company, Inc. Water-resistant and floatable footwear and method of manufacture therefor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629051A (en) * 1969-06-03 1971-12-21 Mitchell Tackle Inc Nonslip article of manufacture and process for making same
DE8908804U1 (de) * 1989-06-22 1989-09-14 Schiele & Hirsch GmbH Schuhfabrik, 8079 Egweil Schuh, insbesondere Haus- und Freizeitschuh
DE19629017A1 (de) 1996-07-18 1998-01-22 Burger Sabine Hochelastischer und leichter Preßkork
DE19834910A1 (de) * 1998-08-03 2000-02-24 Fogal Ag Hausschuh
US20020092200A1 (en) * 2000-10-17 2002-07-18 R & S Trading Company, Inc. Water-resistant and floatable footwear and method of manufacture therefor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017013601A1 (fr) * 2015-07-20 2017-01-26 Ecochic Portuguesas - Footwear And Fashion Products, Lda Semelles en liège pour article chaussant et leur procédé de fabrication
IT201700067598A1 (it) * 2017-06-19 2018-12-19 Fait Plast S P A Calzatura con suola esterna in cuoio resistente all’abrasione, suola esterna in cuoio resistente all’abrasione e relativi procedimenti di fabbricazione.
WO2018234966A1 (fr) * 2017-06-19 2018-12-27 Fait Plast S.P.A. Chaussure dotée d'une semelle d'usure en cuir résistante à l'abrasion et ses procédés de production

Also Published As

Publication number Publication date
DE102011002116A1 (de) 2012-10-18

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