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WO2002011572A1 - Procede d'assemblage de semelles en cuir pour chaussures et chaussure fabriquee selon ledit procede - Google Patents

Procede d'assemblage de semelles en cuir pour chaussures et chaussure fabriquee selon ledit procede Download PDF

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Publication number
WO2002011572A1
WO2002011572A1 PCT/IT2000/000343 IT0000343W WO0211572A1 WO 2002011572 A1 WO2002011572 A1 WO 2002011572A1 IT 0000343 W IT0000343 W IT 0000343W WO 0211572 A1 WO0211572 A1 WO 0211572A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
sole
sheet
sets
core
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.)
Ceased
Application number
PCT/IT2000/000343
Other languages
English (en)
Other versions
WO2002011572A9 (fr
Inventor
Silvio Novello
Alberto Del Biondi
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.)
NOVELLO MECCANICA DI NOVELLO SILVIO
DBA SRL
Original Assignee
NOVELLO MECCANICA DI NOVELLO SILVIO
DBA SRL
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 NOVELLO MECCANICA DI NOVELLO SILVIO, DBA SRL filed Critical NOVELLO MECCANICA DI NOVELLO SILVIO
Priority to AU2000267250A priority Critical patent/AU2000267250A1/en
Priority to PCT/IT2000/000343 priority patent/WO2002011572A1/fr
Publication of WO2002011572A1 publication Critical patent/WO2002011572A1/fr
Anticipated expiration legal-status Critical
Publication of WO2002011572A9 publication Critical patent/WO2002011572A9/fr
Ceased legal-status Critical Current

Links

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
    • 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

Definitions

  • the present invention relates to a method of assembling leather soles for shoes and to a shoe with a sole produced in accordance with the method.
  • the invention relates to the technical field of shoes the soles of which are produced by the covering of a sole core of suitable thickness and stiffness made, for example, of expanded plastics material such as EVA.
  • the problem upon which the invention is based is that of providing a method suitable for at least partial automation of the steps of the assembly of a leather sole. This problem is solved by the invention by means of a method of assembling leather soles comprising the steps indicated in the appended claims .
  • a further subject of the invention is a shoe the sole of which is produced in accordance with the above-mentioned method.
  • FIG. 2 is a partial section taken on the line II-II of Figure 1
  • FIG. 3 is an elevational view of the sole of the shoe of the preceding drawings, with parts separated
  • FIG. 4 is a perspective view of the same shoe, from below,
  • Figures 5 and 6 are a side elevational view and a perspective view from below, respectively, of a second model of the shoe according to the invention. Preferred embodiment of the invention
  • a shoe generally indicated 1, includes an upper 2 and a sole 3.
  • the sole 3 comprises a sole core 4, preferably made of expanded resin such as EVA or the like, possibly including a stiffener 5 incorporated in a shank region 6 of the sole.
  • the term "shank region” is intended to define the region of the sole which extends from the heel as far as the sole region of the foot .
  • the sole 3 is produced by covering the sole core with two sets of multi-layer sheet material of identical composition, each set including an outer hide or leather layer 10 with an inner surface 11 which is intended to face the sole core in use, a layer 12 of liquid glue, which preferably has a polyvinyl chloride polymer base and is applied to the inner surface 11 so as to impregnate it at least superficially, a layer 13 of thermally adhesive film made of plastics material with a thickness, for example, of about 20-30 ⁇ m, applied to the layer of glue by thermal bonding, and a sheet-like layer 15 of plastics material compatible with the thermally adhesive film 13, preferably also made of material with a polyvinyl chloride polymer base, and fixed to the thermally adhesive film 13 by thermal bonding.
  • One of the two sets of sheet material that is, the upper set in Figure 1 and the lower set in Figure 5, is then subjected to thermoforming in a mould so as to provide a seat 16 for housing the sole core 4.
  • the two sets of multi-layer sheet material are then arranged one above the other so as to cover the sole core 4, the sheet-like layers 15 being caused to meet in a peripheral edge region 17 of the sole.
  • the sheet-like layers of plastics material are then heat-sealed in the peripheral edge region 17, preferably by a high-frequency welding technique.
  • the two sheet-like layers 15 of plastics material are thus fixed together and the two sets of multi-layer sheet material are consequently fixed on the sole core .
  • the outer hide or leather layer 10 of the lower set of sheet material preferably has a plurality of through-holes 20 at least in the region of the sole of the foot and possibly in the heel region.
  • the sheet-like layer 15 of plastics material in turn has a corresponding plurality of appendages 21 which, once the above-mentioned layers are fixed together, project through the corresponding plurality of holes 20 to constitute a tread of the sole.
  • These appendages 21 can be produced by thermoforming of the sheetlike layer 15 of plastics material in a suitable mould under a press. A particularly strong shoe sole with a pleasing finish is thus produced and the peripheral edge region 17 of the sole enables the upper 2 to be connected easily by sewing or similar techniques as well as constituting an effective decorative motif.
  • the invention thus achieves the object set and affords many advantages over previously known techniques.
  • it enables the tread surface of the sole to be produced directly at the stage of the assembly of the sole, if desired, by virtue of the appendages of the sheet-like layer of plastics material.
  • the sole is also well formed and sufficiently rigid for the shape imparted to be retained over time .

Landscapes

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

Abstract

L'invention concerne un procédé d'assemblage de semelles en cuir pour chaussures consistant : à disposer deux ensembles de feuilles multicouches de composition identique, chaque ensemble comprenant une couche (10) externe en cuir avec une surface (11) interne destinée, en pratique, à faire face à l'intérieur de la semelle, une couche (13) de film thermocollant en matière plastique d'épaisseur prédéterminée, déposée sur ladite surface (11) interne, une couche mince (15) en matière plastique compatible avec ledit film thermocollant (13) et fixée à ce film par liage thermique ; à disposer un corps de semelle (4) et y à appliquer les ensembles multicouches avec les couches minces (15) en matière plastique face à face afin de revêtir le corps (4), les couches minces des deux ensembles étant placées de manière à correspondre dans la zone de marge périphérique (17) de la semelle ; et à thermosceller les ensembles de feuilles entre eux dans la zone de marge périphérique (17), de préférence par soudage haute fréquence.
PCT/IT2000/000343 2000-08-03 2000-08-03 Procede d'assemblage de semelles en cuir pour chaussures et chaussure fabriquee selon ledit procede Ceased WO2002011572A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2000267250A AU2000267250A1 (en) 2000-08-03 2000-08-03 A method of assembling leather soles for shoes and a shoe produced by the method
PCT/IT2000/000343 WO2002011572A1 (fr) 2000-08-03 2000-08-03 Procede d'assemblage de semelles en cuir pour chaussures et chaussure fabriquee selon ledit procede

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2000/000343 WO2002011572A1 (fr) 2000-08-03 2000-08-03 Procede d'assemblage de semelles en cuir pour chaussures et chaussure fabriquee selon ledit procede

Publications (2)

Publication Number Publication Date
WO2002011572A1 true WO2002011572A1 (fr) 2002-02-14
WO2002011572A9 WO2002011572A9 (fr) 2008-06-26

Family

ID=11133547

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2000/000343 Ceased WO2002011572A1 (fr) 2000-08-03 2000-08-03 Procede d'assemblage de semelles en cuir pour chaussures et chaussure fabriquee selon ledit procede

Country Status (2)

Country Link
AU (1) AU2000267250A1 (fr)
WO (1) WO2002011572A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2712150A1 (fr) * 1993-11-10 1995-05-19 Chevalier Jean Pierre Chaussons jetables avec machine et procédé.
FR2772563A1 (fr) * 1997-12-22 1999-06-25 Ferrand Ets Pantoufle cousue
WO2000022948A1 (fr) * 1998-10-20 2000-04-27 Nextec S.R.L. Procede pour impermeabiliser du cuir et cuir obtenu selon ce procede
WO2000027234A1 (fr) * 1998-11-05 2000-05-18 Dino Guiotto Procede de fabrication d'articles chaussants ouverts et articles chaussants fabriques au moyen de ce procede

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2712150A1 (fr) * 1993-11-10 1995-05-19 Chevalier Jean Pierre Chaussons jetables avec machine et procédé.
FR2772563A1 (fr) * 1997-12-22 1999-06-25 Ferrand Ets Pantoufle cousue
WO2000022948A1 (fr) * 1998-10-20 2000-04-27 Nextec S.R.L. Procede pour impermeabiliser du cuir et cuir obtenu selon ce procede
WO2000027234A1 (fr) * 1998-11-05 2000-05-18 Dino Guiotto Procede de fabrication d'articles chaussants ouverts et articles chaussants fabriques au moyen de ce procede

Also Published As

Publication number Publication date
AU2000267250A1 (en) 2002-02-18
WO2002011572A9 (fr) 2008-06-26
AU2000267250A8 (en) 2008-08-14

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