EP0970631A1 - Maschine zum Zwicken von Schuhen im Fersenbereich - Google Patents

Maschine zum Zwicken von Schuhen im Fersenbereich Download PDF

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Publication number
EP0970631A1
EP0970631A1 EP99202129A EP99202129A EP0970631A1 EP 0970631 A1 EP0970631 A1 EP 0970631A1 EP 99202129 A EP99202129 A EP 99202129A EP 99202129 A EP99202129 A EP 99202129A EP 0970631 A1 EP0970631 A1 EP 0970631A1
Authority
EP
European Patent Office
Prior art keywords
insole
air
machine according
edge
last
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.)
Granted
Application number
EP99202129A
Other languages
English (en)
French (fr)
Other versions
EP0970631B1 (de
Inventor
Carlo Bianchi
Giuseppe Molina
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.)
Officine Meccaniche Molina and Bianchi SpA
Original Assignee
Officine Meccaniche Molina and Bianchi 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 Officine Meccaniche Molina and Bianchi SpA filed Critical Officine Meccaniche Molina and Bianchi SpA
Publication of EP0970631A1 publication Critical patent/EP0970631A1/de
Application granted granted Critical
Publication of EP0970631B1 publication Critical patent/EP0970631B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D119/00—Driving or controlling mechanisms of shoe machines; Frames for shoe machines
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D25/00—Devices for gluing shoe parts
    • A43D25/20—Arrangements for activating or for accelerating setting of adhesives, e.g. by using heat

Definitions

  • the present invention relates to a heel-lasting machine for footwear manufacture, that is, to a machine for fitting the heel portion of an item of footwear, of the type comprising support means on which to position a last over which an upper is stretched and with which an insole covered with glue is associated, a plurality of tensioning clamps for engaging the edge of the upper and pulling the upper, causing it to fit tightly against the last, means for clamping the last to the support means, means for bending and pressing the edge of the upper onto the insole in the region of the rear portion and of the sides of the insole, and means for sending hot air towards the portions of the insole which are covered with glue and which are to come into contact with the folded and pressed edge of the upper.
  • the rear or heel portion and the sides of the upper are generally glued to the insole. This is done by bending the edges of the heel portion and of the sides onto the insole after applying a layer of glue between them.
  • heel-lasting machines currently in use have suitable devices for dispensing hot glue, which spread a layer of glue along the edges of the insole over which the edge of the heel portion and of the sides is bent.
  • insoles to which a layer of glue has previously been applied are used. More precisely, the layer of glue is applied to the sheet material from which the insoles are formed by punching.
  • the gluing of the upper to the insole is then performed simply by exerting pressure on the edge of the upper which is bent onto the insole.
  • pre-lasting machines that is, machines for fixing the toe of the upper to the front portion of the insole
  • this can easily be achieved by a plate diffuser having a plurality of air-outlet jets, the same cannot be said for heel-lasting machines.
  • the problem upon which the present invention is based is that of devising a heel-lasting machine for footwear manufacture, that is, a machine for fitting the heel portion of an item of footwear, which has structural and functional characteristics such as to satisfy the above-mentioned need without having the disadvantages referred to above.
  • a heel-lasting machine according to the invention comprises:
  • the support means 1 enable the last A to be supported in an inverted position, that is, with the sole facing upwards, as shown in Figure 1.
  • the support means comprise a pad, partially visible in Figure 1, for supporting the toe of the last A, and a rear support which is adjustable in height.
  • the insole B is positioned on the sole of the last A and the upper C is stretched over the remaining portion of the last.
  • a layer of glue is applied to the surface of the insole B which is to come into contact with the folded edge of the upper C, that is, the upward-facing surface visible in Figure 1, so that the upper C can be glued to the insole simply by exerting a pressure on the edge of the upper C once it has been bent onto the insole B.
  • the insoles are preferably formed by punching from sheet material on which a layer of glue has been spread beforehand.
  • the tensioning clamps grip and pull the edges of the upper C so as to apply sufficient tension to the upper C to cause it to fit tightly against the last A.
  • the means 2 for clamping the last A to the support means 1 take the form of two jaws which can be clamped onto the last A below its sole. This enables the upper C to be kept stretched over the last A even after the edge of the upper C has been released by the tensioning clamps.
  • the bending and pressing means 3 take the form of a plurality of stretchers 3' and further closure plates 3" which enable the edge of the upper C to be bent onto the sides 5 and onto the rear portion 4 of the insole B.
  • the heel-lasting machine further comprises means 6 for sending hot air towards the portions of the insole B which are covered with glue and which are to come into contact with the bent and pressed edge of the upper C. These means 6 are positioned above the support means 1 and hence above the last A and the insole B associated therewith.
  • the hot air softens the glue of the insole so as to bring about optimal gluing.
  • the means for sending hot air advantageously comprise one or more nozzles 7 and, in the embodiment shown, comprise two separate air-supply nozzles.
  • the nozzles 7 are movable in order to follow the edge of the insole B along the rear portion 4 and the sides 5 thereof.
  • actuating means 8 move the nozzles 7 in a manner such that the air jets emerging therefrom are directed along the edges of the insole B.
  • each nozzle 7 is associated with an air-heating device 9 comprising a body 11 of thermally conductive material with which heating means 10 are associated and in which a substantially serpentine duct 12 puts an inlet 13 for the air to be heated into fluid communication with an outlet 14 for the heated air.
  • the serpentine duct 12 increases the time spent by the air inside the body 11 so that the air can be heated to a greater extent.
  • the nozzle 7 is fixed to the device 9 by means of a threaded connection in the region of the outlet 14 thereof, so as to be in fluid communication with this outlet.
  • the body 11 of the device 9 is preferably made of a metallic material such as brass or aluminium.
  • the heating means 10 associated with each device 9 take the form of an electrical resistor, the heating of which is regulated by a thermostat (not shown in the drawings) in dependence on the temperature value detected by a heat probe 15 inserted in the body 11.
  • the inlet 13 for the air to be heated is connected to a compressed-air distribution network or, in wholly equivalent manner, may be connected to a compressed-air container or to an air blower.
  • the actuating means 8 comprise a plurality of linear actuators such as, for example, pneumatic cylinders of known type, not shown in the drawings, which enable the two air-heating devices 9, and hence the respective nozzles 7, to be moved in order to direct the air-flow emerging from each nozzle to the desired point.
  • linear actuators such as, for example, pneumatic cylinders of known type, not shown in the drawings, which enable the two air-heating devices 9, and hence the respective nozzles 7, to be moved in order to direct the air-flow emerging from each nozzle to the desired point.
  • the two air-heating devices 9 are mounted on a movable framework 16 which is moved by the linear actuators away from and towards the last A along a vertical axis Z-Z and longitudinally relative to the last A along a longitudinal axis X-X.
  • the two devices 9 can also be moved relative to the movable framework 16, independently of one another, along an axis Y-Y transverse the axis X-X.
  • the heel-lasting machine further comprises an electronic control unit for controlling the operation of the actuating means 8.
  • the last A over which an upper C has been stretched beforehand and with which an insole B covered with glue is associated, is positioned on the support means 1 in the manner specified above.
  • the tensioning clamps then release the edges of the upper C and are brought to a retracted position. As explained above, the jaws 2 keep the upper stretched over the last A.
  • the actuator means 8 move the movable framework 16 towards the last A along the vertical axis Z-Z until the nozzles 7 are in the vicinity of the insole B.
  • the two nozzles 7 are then moved by coordinated movement of the framework 16 along the longitudinal axis X-X and of the devices 9 along the transverse axis Y-Y, so that each nozzle follows a portion of the edge of the insole B.
  • the nozzles When there are two nozzles arranged symmetrically with respect to the longitudinal axis X-X of the insole B as shown in Figure 1, the nozzles are moved in a manner such that each has to follow one side 5 and one half of the rear portion 5 of the insole B.
  • the two nozzles 7 perform reflectively symmetrical movements relative to the longitudinal axis X-X.
  • the movable framework 16 is then returned along the axis Z-Z to its initial position in which it is spaced from the last A so as to leave room for the means 3 for bending and pressing the edge of the upper C onto the insole B in the region of the rear portion 4 and of the sides 5 of the insole B.
  • the presence of the electronic control unit permits the storage of a different program for controlling the actuating means, that is the actuators, for each type of insole.
  • actuating means that is the actuators
  • the heel-lasting machine according to the invention satisfies the need referred to in the introduction to the present description and at the same time overcomes the problems of the prior art.
  • a further advantage of the heel-lasting machine according to the invention lies in the fact that it is structurally and functionally simple.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Seeds, Soups, And Other Foods (AREA)
EP99202129A 1998-07-02 1999-07-01 Maschine zum Zwicken von Schuhen im Fersenbereich Expired - Lifetime EP0970631B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI981527 1998-07-02
IT98MI001527A ITMI981527A1 (it) 1998-07-02 1998-07-02 Macchina montaboette per la lavorazione di calzature

Publications (2)

Publication Number Publication Date
EP0970631A1 true EP0970631A1 (de) 2000-01-12
EP0970631B1 EP0970631B1 (de) 2005-06-15

Family

ID=11380372

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99202129A Expired - Lifetime EP0970631B1 (de) 1998-07-02 1999-07-01 Maschine zum Zwicken von Schuhen im Fersenbereich

Country Status (5)

Country Link
EP (1) EP0970631B1 (de)
AT (1) ATE297669T1 (de)
DE (1) DE69925785D1 (de)
IT (1) ITMI981527A1 (de)
PT (1) PT970631E (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2353422A1 (es) * 2008-07-01 2011-02-16 Celtecnia S L Sistema automatico e independiente para el control de la temperatura de diversas superficies, que incluye una cabeza de secado y/o una campana de reactivacion y un procedimiento para la gestion del sistema.
CN112493630A (zh) * 2020-11-16 2021-03-16 顺德职业技术学院 鞋面快速冷却定型装置及方法
DE102023133488A1 (de) * 2023-11-30 2025-06-05 Adidas Ag Heizmittel, Vorrichtung und Verfahren zum Herstellen eines Schuhwerks

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114098232B (zh) * 2021-10-29 2023-04-11 丽荣鞋业(深圳)有限公司 铁板烧和换模一体设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474307A (en) * 1945-10-19 1949-06-28 United Shoe Machinery Corp Lasting machine
US2669735A (en) * 1950-04-14 1954-02-23 United Shoe Machinery Corp Apparatus for attaching soles to shoes
GB793774A (en) * 1954-01-29 1958-04-23 Clark Ltd C & J Improvements relating to the manufacture of footwear
US4380524A (en) * 1979-04-06 1983-04-19 International Shoe Machine Corporation Cement applying machine and method
GB2172190A (en) * 1985-02-26 1986-09-17 Molina & Bianchi Spa Control of pressure members in a side-lasting machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474307A (en) * 1945-10-19 1949-06-28 United Shoe Machinery Corp Lasting machine
US2669735A (en) * 1950-04-14 1954-02-23 United Shoe Machinery Corp Apparatus for attaching soles to shoes
GB793774A (en) * 1954-01-29 1958-04-23 Clark Ltd C & J Improvements relating to the manufacture of footwear
US4380524A (en) * 1979-04-06 1983-04-19 International Shoe Machine Corporation Cement applying machine and method
GB2172190A (en) * 1985-02-26 1986-09-17 Molina & Bianchi Spa Control of pressure members in a side-lasting machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2353422A1 (es) * 2008-07-01 2011-02-16 Celtecnia S L Sistema automatico e independiente para el control de la temperatura de diversas superficies, que incluye una cabeza de secado y/o una campana de reactivacion y un procedimiento para la gestion del sistema.
CN112493630A (zh) * 2020-11-16 2021-03-16 顺德职业技术学院 鞋面快速冷却定型装置及方法
DE102023133488A1 (de) * 2023-11-30 2025-06-05 Adidas Ag Heizmittel, Vorrichtung und Verfahren zum Herstellen eines Schuhwerks

Also Published As

Publication number Publication date
ITMI981527A1 (it) 2000-01-02
PT970631E (pt) 2005-08-31
EP0970631B1 (de) 2005-06-15
DE69925785D1 (de) 2005-07-21
ATE297669T1 (de) 2005-07-15

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