WO2006111995A1 - Forme de chaussure et procede pour manipuler les formes de chaussures - Google Patents

Forme de chaussure et procede pour manipuler les formes de chaussures Download PDF

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Publication number
WO2006111995A1
WO2006111995A1 PCT/IT2006/000254 IT2006000254W WO2006111995A1 WO 2006111995 A1 WO2006111995 A1 WO 2006111995A1 IT 2006000254 W IT2006000254 W IT 2006000254W WO 2006111995 A1 WO2006111995 A1 WO 2006111995A1
Authority
WO
WIPO (PCT)
Prior art keywords
shoe last
shoe
cavities
insert
cavity
Prior art date
Application number
PCT/IT2006/000254
Other languages
English (en)
Inventor
Tommaso Sestini
Original Assignee
Robot System S.R.L.
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 Robot System S.R.L. filed Critical Robot System S.R.L.
Priority to BRPI0609218-7A priority Critical patent/BRPI0609218B1/pt
Publication of WO2006111995A1 publication Critical patent/WO2006111995A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D3/00—Lasts
    • A43D3/02—Lasts for making or repairing shoes
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D23/00—Single parts for pulling-over or lasting machines
    • A43D23/04—Last-carriers; Shoe-guides

Definitions

  • the present invention relates to a shoe last and to a process for handling shoe lasts.
  • shoe lasts provided with a profiled insert emerging from their neck portion are commonly used in shoe manufacturing, as said insert acts as a hold extension and as a position reference for the automatic manipulation and motion systems.
  • said insert acts as a hold extension and as a position reference for the automatic manipulation and motion systems.
  • the manufacturing of shoe lasts provided with such inserts requires relatively high expenses in comparison with the current production requirements and it is even more evident if the large number of shoe lasts with different shapes and sizes used in a shoe factory is taken in consideration.
  • the main aim of the present invention is that of overcoming the above drawbacks .
  • FIG. 1 shows a schematic side view of a shoe last according to a possible embodiment of the present invention
  • FIG. 2A shows a top plan view of the shoe last of Fig.l
  • FIG. 2B shows the enlarged circled detail of Fig. 2A, in a horizontal section view
  • FIG.3 shows a schematic section view along the line R-R of the shoe last of Fig. 2A;
  • FIG. 4 shows a schematic side view of a shoe last according to a further embodiment of the present the invention
  • FIG. 5 shows a section view along the line x-x of the shoe last of Fig.4;
  • FIG. 6 shows a section view along the line y-y of the shoe last of Fig. 5;
  • FIG. 7-9 show three operative steps in which the shoe last of Figs. 4-6 is grasped by an automatic manipulator;
  • FIG. 10 shows a view from K of the unit shown in Fig 7;
  • FIG. 11-13 show three operative steps in which the shoe last of Figs. 1-3 is grasped by an automatic manipulator;
  • FIG. 14 shows a view from J of the unit shown in Fig. 11;
  • FIG. 15-19 schematically show the use of the shoe last of Figs 4-6 for a shoe having a high necked upper or vamp;
  • FIG.20-22 show yet another example of a shoe last according to the present invention.
  • a shoe last according to the present invention features at least one cavity or depression on both sides of the neck which is directed according to a predetermined angle in relation to a reference line, such as line (L) of the foot sole and having a predetermined length starting from the heel area.
  • a reference line such as line (L) of the foot sole and having a predetermined length starting from the heel area.
  • each side of the shoe last neck (1) is provided with two cavities (3; 7; 8) which are parallel to each other and to line (L) of the foot sole and positioned at a predetermined distance from each other.
  • said cavities (3;7;8) can be provided, for example, by executing a milling process directly on the shoe last, which can be made of plastic material according to a well known manufacturing method, so as to form a precise position reference for the systems currently used for automatically holding and moving the shoe lasts.
  • each of the two upper cavities (8) is provided with a central conical blind hole (6b) whose axis is perpendicular to the longitudinal axis of the cavity itself and whose function is described below.
  • a bushed hole (4) is provided on shoe last neck (1), like in conventional shoe lasts.
  • FIGs 7-10 show a pneumatic clamp (10) provided with parallel jaws (11) .
  • Upper faces (8M) and lower faces (7M) of the two jaws (11) project toward the inside of the clamp so as to form four corresponding male elements which are intended to be introduced into the four cavities (7,8) of each shoe last (1).
  • the centre of each of said upper faces (8M) features a conical pin (6M) mounted on a corresponding bucket spring (or on a similar type of spring) .
  • the clamp (10) is positioned with its jaws (11) over the shoe last (as shown in Fig 7, wherein Y indicates a vertical axis which is perpendicular to the common axis of conical holes 6b of the shoe last, along which axis the clamp is moved by means of corresponding motion means which are per se known) . Thereafter, the clamp is lowered (Fig.8) and jaws (11) are closed (Fig.9) and their faces (7M,8M) are introduced into cavities (7,8) while pins (6M) are introduced into the centering holes (6b) .
  • FIGs 15-19 A further possible use of a shoe according ti the present invention is shown in Figs 15-19, wherein the reference numeral (12) indicates a shoe with a high necked upper or vamp mounted on shoe last (1), the reference numerals (10,11) indicates the clamp described above and the reference numerals (15,18) indicate an extension tongs.
  • the latter is provided with normally closed jaws (13) featuring curved tips (16) and is intended to be hooked to the upper cavities (7) of shoe last (1) as shown in Figs 17-19; in other words, the lower ends of extension tongs are positioned between the upper neck (12) and the shoe last neck (1) , with the tips (16) inside the upper cavities (7) of the shoe last itself.
  • the head portion (15) of said extension means is provided with two cavities (13,14) on both sides and a conical central blind hole (15) so as to reproduce the shape of the shoe last (1) described above. In this way, it is possible to obtain a correct hold and motion of the shoe last (1) by means of the clamp (10) even when cavities (7,8) of the shoe last are covered by the upper of the shoe to be manufactured.
  • said cavities feature a semicircular profile and a cylindrical insert (2) is mounted on each of them.
  • Each of said inserts (2) is provided with a conical central hole an with two passing holes which are provided on both sides of the central one to allow the coupling of the insert to the shoe last (1) by using screwing means.
  • These screwing means as illustrated in Figs 2B and 3, transversely pass through shoe last neck (1) so that each insert (2) is attached to the insert positioned on cavity (3) on the other side of shoe last neck, at the same height.
  • Figs. 11-14 show a possible use of the shoe lasts just now described.
  • the shoe last (1) is provided with cavities (3) on both sides of the neck portion (100) like in the previously described examples.
  • a centering hole (101) is provided on top of said neck portion (100) .
  • a pneumatically actuated clamp (102) is used to grasp the shoe last (1) , said clamp (102) being provided with two jaws whose tips (103) have the same profile of the cavities (3).
  • the clamp (102) is provided, at a fixed point between said jaws, with a centering pin (104) having the same function of the pins (6M) previously described but allowing a less stretching of the shoe upper or vamp when it grasps the shoe last (1) .
  • Said cavities (3; 7; 8) may feature any type of suitable cross section, even a "V" section, for example.
  • said cavities (3; 7; 8) can be made on used shoe lasts, that is by milling shoe lasts which already existing in shoe factories and used for shoes production.
  • said cavities (3; 7; 8) provide a precise positional reference for the automatic holding and motion means, as regards both the angular direction in relation to a reference line, such as the foot sole line (angular positioning) and in relation to the heel area (longitudinal positioning) .
  • the shoe last is held on both sides of the shoe neck portion.

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

L'invention concerne une forme de chaussures comportant au moins une cavité (3 ; 7 ; 8) qui est dirigée dans le sens longitudinal selon un angle prédéterminé par rapport à une ligne de référence (L) de la forme de chaussure, ladite cavité ayant une longueur prédéterminée et se trouvant sur chacun des deux côtés de la partie rétrécie de la forme de chaussure.
PCT/IT2006/000254 2005-04-21 2006-04-14 Forme de chaussure et procede pour manipuler les formes de chaussures WO2006111995A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BRPI0609218-7A BRPI0609218B1 (pt) 2005-04-21 2006-04-14 For shoe, and method for handling of shoes for shoes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITFI20050076 ITFI20050076A1 (it) 2005-04-21 2005-04-21 Forma per calzature e procedimento per la manipolazione delle forme per calzature
ITFI2005A000076 2005-04-21

Publications (1)

Publication Number Publication Date
WO2006111995A1 true WO2006111995A1 (fr) 2006-10-26

Family

ID=36609253

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2006/000254 WO2006111995A1 (fr) 2005-04-21 2006-04-14 Forme de chaussure et procede pour manipuler les formes de chaussures

Country Status (3)

Country Link
BR (1) BRPI0609218B1 (fr)
IT (1) ITFI20050076A1 (fr)
WO (1) WO2006111995A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010072015A1 (fr) * 2008-12-26 2010-07-01 Hou Chingchung Forme servant à la confection de chaussures
NL2008096A (en) * 2011-01-12 2012-07-16 Ming-Te Chen Adjustable shoe mold set.
IT201800011142A1 (it) * 2018-12-17 2020-06-17 Robot System Automation S R L Forma per la produzione di calzature
US20220240629A1 (en) * 2021-02-01 2022-08-04 Hsiu-Feng Wen Shoe last holding device and shoemaking machine having the same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554329A1 (fr) * 1983-11-03 1985-05-10 Kloeckner Ferromatik Desma Dispositif de fixation d'embauchoir pour machines de montage de semelles de chaussures
US4575889A (en) * 1984-01-31 1986-03-18 Kloeckner Ferromatik Desma Gmbh Apparatus for lasting shoe uppers or shoes onto shoe lasts
DE3814309A1 (de) * 1988-04-28 1989-11-09 Schoen & Cie Gmbh Leistentragevorrichtung an einer schuhzwickmaschine
EP0358156A2 (fr) * 1988-09-09 1990-03-14 FAGUS-GRECON GRETEN GMBH & CO. KG Dispositif de fixation d'embauchoir pour machines de montage de semelles de chaussures
WO1992018026A1 (fr) * 1991-04-19 1992-10-29 Breme Tecnica S.A.S. Di Cominardi M. & C. 'forme automatique', pour le façonnage des chaussures traditionnelles, dotees de systemes pour la prise, le mouvement, le montage et la fabrication automatique des chaussures
FR2854546A1 (fr) * 2003-05-06 2004-11-12 Actis Ets Procede de realisation d'une forme pour la fabrication de chaussures

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554329A1 (fr) * 1983-11-03 1985-05-10 Kloeckner Ferromatik Desma Dispositif de fixation d'embauchoir pour machines de montage de semelles de chaussures
US4575889A (en) * 1984-01-31 1986-03-18 Kloeckner Ferromatik Desma Gmbh Apparatus for lasting shoe uppers or shoes onto shoe lasts
DE3814309A1 (de) * 1988-04-28 1989-11-09 Schoen & Cie Gmbh Leistentragevorrichtung an einer schuhzwickmaschine
EP0358156A2 (fr) * 1988-09-09 1990-03-14 FAGUS-GRECON GRETEN GMBH & CO. KG Dispositif de fixation d'embauchoir pour machines de montage de semelles de chaussures
WO1992018026A1 (fr) * 1991-04-19 1992-10-29 Breme Tecnica S.A.S. Di Cominardi M. & C. 'forme automatique', pour le façonnage des chaussures traditionnelles, dotees de systemes pour la prise, le mouvement, le montage et la fabrication automatique des chaussures
FR2854546A1 (fr) * 2003-05-06 2004-11-12 Actis Ets Procede de realisation d'une forme pour la fabrication de chaussures

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010072015A1 (fr) * 2008-12-26 2010-07-01 Hou Chingchung Forme servant à la confection de chaussures
NL2008096A (en) * 2011-01-12 2012-07-16 Ming-Te Chen Adjustable shoe mold set.
IT201800011142A1 (it) * 2018-12-17 2020-06-17 Robot System Automation S R L Forma per la produzione di calzature
WO2020129099A1 (fr) 2018-12-17 2020-06-25 Robot System Automation S.R.L. Forme à chaussures pour la fabrication de chaussures
CN113453579A (zh) * 2018-12-17 2021-09-28 机器人系统自动化有限公司 用于制造鞋的鞋楦
US20220240629A1 (en) * 2021-02-01 2022-08-04 Hsiu-Feng Wen Shoe last holding device and shoemaking machine having the same

Also Published As

Publication number Publication date
BRPI0609218A2 (pt) 2010-03-02
ITFI20050076A1 (it) 2006-10-22
BRPI0609218B1 (pt) 2017-10-17

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