EP0779041A1 - Procédé de fabrication de chaussures intérieures, en particulier pour chaussures de sport - Google Patents

Procédé de fabrication de chaussures intérieures, en particulier pour chaussures de sport Download PDF

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Publication number
EP0779041A1
EP0779041A1 EP96119791A EP96119791A EP0779041A1 EP 0779041 A1 EP0779041 A1 EP 0779041A1 EP 96119791 A EP96119791 A EP 96119791A EP 96119791 A EP96119791 A EP 96119791A EP 0779041 A1 EP0779041 A1 EP 0779041A1
Authority
EP
European Patent Office
Prior art keywords
innerboot
sole
seam
edge
pressing
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Withdrawn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
EP96119791A
Other languages
German (de)
English (en)
Inventor
Angelo Bottin
Pietro Martignago
Nicola Desiro'
Ernesto Benvenuto
Stefano Trentin
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.)
Nordica SpA
Original Assignee
Nordica SpA
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 Nordica SpA filed Critical Nordica SpA
Publication of EP0779041A1 publication Critical patent/EP0779041A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0405—Linings, paddings or insertions; Inner boots

Definitions

  • the present invention relates to a method for manufacturing an innerboot, particularly for sports shoes, such as ski boots, roller skates, ice skates, or climbing boots.
  • innerboots adapted to be applied inside sports shoes: some innerboots are constituted by an upper sewn on a last through an assembly operation which entails, in sequence, perimetrically sewing an internal insole, inserting the last, spreading an adhesive, activating the adhesive by heating, gluing a sole by pressing, and then extracting the innerboot from the last.
  • Innerboots are also known which have a tongue or two overlapping flaps, at the foot instep region: these innerboots are used exclusively for shoes, such as ski boots, of the front-entry type and are used to facilitate the insertion of the foot.
  • ski boots of the rear-entry type are used, again to facilitate foot insertion, innerboots are used in which a rear opening is provided whereon a tongue can be partially superimposed.
  • WO-A-94/09663 discloses a method for producing an innerboot for sports shoes that is provided by a single sheet of thermoplastic material of uniform thickness.
  • the innerboot includes two wings that can be mutually overlapped at the tibial region of the user.
  • the innerboot can be obtained by cutting a sheet of material and by then folding it at the rear region of the leg, subsequently sewing it along a median plane that lies longitudinally with respect to the foot at the lower region of the heel, at the sole of the foot, and at the upper region of the toe of said foot.
  • the innerboot can be obtained starting from a loose-fitting part that is then heated to the thermoforming temperature of the material and is simultaneously made to closely fit the shape of the shell and the foot of the user's leg through the following steps: inserting the user's foot in the loose-fitting innerboot; producing the wings that wrap around the front part of the user's tibia; keeping the loose-fitting innerboot in its seat by means of an elastic sock; inserting the user's foot, the loose-fitting innerboot, and the elastic sock in the shell; and cooling the loose-fitting innerboot.
  • a principal aim of the present invention is therefore to eliminate the drawbacks described above of conventional innerboots by providing a method that allows to obtain a thermoplastic innerboot having high technical properties as well as providing high comfort.
  • an important object is to provide a method that allows to obtain a thermoplastic innerboot that combines optimum foot securing with the lack of seams in direct contact with the foot.
  • Another important object is to provide a method that allows to obtain a thermoplastic innerboot having high strength and resistance to the stresses applied thereto by the foot during sports practice.
  • Another object is to provide a method that allows to obtain a thermoplastic innerboot of improved aesthetic appearance with respect to the prior art.
  • Another object is to provide a method and a thermoplastic innerboot for sports shoes which are reliable and safe in use and can be obtained with conventional machines and equipment.
  • the reference numeral 1 designates an upper obtained by cutting a sheet of thermoplastic material on a flat plane.
  • the method entails, after cutting the upper 1 on a flat plane, its subsequent paring down, designated by the reference numeral 2, at at least part of the edge 3 thereof and particularly at the first portions 4a and 4b, which will correspond to the sides of the user's foot, and at second portions 5a and 5b, which will correspond, at the end of the method, to the foot instep region.
  • the paring down can be performed by a mill.
  • the method entails the subsequent pressing of the upper 1 at its entire edge and a similar pressing at the edge 6 of a sole 7 that is also made of thermoplastic material.
  • a region 8 is thus obtained which is pressed both for the upper and for the sole.
  • the region 8 affects part of the edge 3 that is subsequently affected by a seam for connection to the sole 7.
  • the method in fact entails coupling the upper 1 and the sole 7 by means of a seam 9 applied at the region 8 of the edge 3 of the upper 1 and at the edge 6 of the sole 7, which are arranged mutually adjacent beforehand.
  • An innerboot 10, shown partially in the figures, is thus obtained that is subsequently turned inside out, as shown in figures 7 and 8, so as to arrange the sewn edges 3 and 6 inside said innerboot.
  • the method then entails heating the innerboot, so as to allow the thermoplastic material to embed the seam 9 inside it, as shown in figure 9.
  • thermoplastic innerboot having high technical properties, since it has optimum consistency at the region where the upper is sewn to the sole, and at the same time allows to optimize the comfort for the user because the seam is embedded inside the edges of the upper and sole.
  • This solution therefore allows to achieve maximum strength and resistance of the seam, furthermore improving the aesthetic appearance of the innerboot since the seam is not visible.
  • figure 10 is a partial sectional view of an innerboot 110, wherein the upper 101 is still of the type described above and is made of thermoplastic material with a partially pared-down and subsequently pressed edge, and with a sole 107 made of non-thermoplastic material, for example a semirigid plastic material, the edge 106 whereof is coupled, by means of a seam 109, at the pared-down and pressed region of the edge 103 and of the upper 101.
  • the innerboot is then turned inside out and heated to embed the seam 109 in the upper and in the sole.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
EP96119791A 1995-12-14 1996-12-10 Procédé de fabrication de chaussures intérieures, en particulier pour chaussures de sport Withdrawn EP0779041A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTV950157 1995-12-14
IT95TV000157A IT1279487B1 (it) 1995-12-14 1995-12-14 Procedimento per l'ottenimento di scarpette interne, particolarmente per calzature sportive

Publications (1)

Publication Number Publication Date
EP0779041A1 true EP0779041A1 (fr) 1997-06-18

Family

ID=11419784

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96119791A Withdrawn EP0779041A1 (fr) 1995-12-14 1996-12-10 Procédé de fabrication de chaussures intérieures, en particulier pour chaussures de sport

Country Status (2)

Country Link
EP (1) EP0779041A1 (fr)
IT (1) IT1279487B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1938703A1 (fr) * 2006-12-29 2008-07-02 Rossignol Lange S.R.L. Chausson de chaussure avec surface intérieure en plusieurs parties
ES2304292A1 (es) * 2006-06-09 2008-10-01 Camper, S.L. Procedimiento de fabricacion de calzado.
EP2674049A1 (fr) * 2012-06-13 2013-12-18 Salomon S.A.S. Chausson interne pour chaussure de sport

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0071088A1 (fr) * 1981-07-24 1983-02-09 NORDICA S.p.A Procédé de fabrication de garniture intérieure de chaussée, en particulier pour chaussures de ski
EP0250892A2 (fr) * 1986-06-20 1988-01-07 NORDICA S.p.A. Chaussure intérieure pour chaussures de ski
WO1994009663A1 (fr) 1992-11-04 1994-05-11 Intuition Sports Incorporated Chausson pour chaussure de sport et procede de fabrication

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0071088A1 (fr) * 1981-07-24 1983-02-09 NORDICA S.p.A Procédé de fabrication de garniture intérieure de chaussée, en particulier pour chaussures de ski
EP0250892A2 (fr) * 1986-06-20 1988-01-07 NORDICA S.p.A. Chaussure intérieure pour chaussures de ski
WO1994009663A1 (fr) 1992-11-04 1994-05-11 Intuition Sports Incorporated Chausson pour chaussure de sport et procede de fabrication

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2304292A1 (es) * 2006-06-09 2008-10-01 Camper, S.L. Procedimiento de fabricacion de calzado.
EP1938703A1 (fr) * 2006-12-29 2008-07-02 Rossignol Lange S.R.L. Chausson de chaussure avec surface intérieure en plusieurs parties
EP2674049A1 (fr) * 2012-06-13 2013-12-18 Salomon S.A.S. Chausson interne pour chaussure de sport
FR2991854A1 (fr) * 2012-06-13 2013-12-20 Salomon Sas Chausson interne pour chaussure de sport

Also Published As

Publication number Publication date
IT1279487B1 (it) 1997-12-10
ITTV950157A1 (it) 1997-06-14
ITTV950157A0 (fr) 1995-12-14

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