WO2002067712A1 - Method for gluing a sole to an upper of a shoe - Google Patents

Method for gluing a sole to an upper of a shoe Download PDF

Info

Publication number
WO2002067712A1
WO2002067712A1 PCT/IB2002/000603 IB0200603W WO02067712A1 WO 2002067712 A1 WO2002067712 A1 WO 2002067712A1 IB 0200603 W IB0200603 W IB 0200603W WO 02067712 A1 WO02067712 A1 WO 02067712A1
Authority
WO
WIPO (PCT)
Prior art keywords
sole
last
assembly
gluing
glue
Prior art date
Application number
PCT/IB2002/000603
Other languages
French (fr)
Inventor
Mario Ciucani
Original Assignee
Mario Ciucani
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 Mario Ciucani filed Critical Mario Ciucani
Priority to EP02712199A priority Critical patent/EP1363515A1/en
Publication of WO2002067712A1 publication Critical patent/WO2002067712A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D25/00—Devices for gluing shoe parts
    • A43D25/06—Devices for gluing soles on shoe bottoms
    • A43D25/07—Devices for gluing soles on shoe bottoms using flexible diaphragm pressing devices

Definitions

  • the present invention relates to a method for joining a sole with a shoe upper by gluing. It is known that during some working steps, a layer of glue is applied to the lower face of the upper and to the upper part of the sole, and is activated at a later time by a predetermined temperature, so as to make the lower part of the upper adhere and be glued to the upper part of the sole.
  • the upper obtained by assembling some parts, is set on a last and the sole is placed on the lower face of the upper.
  • the assembly so obtained formed by the last, the upper and the sole is placed into a kind of press, of known type, to complete gluing of the sole to the upper.
  • Supporting and positioning means for the last-upper-sole assembly are situated inside the lower part of the press, while the upper part thereof is equipped with an elastic diaphragm defining an airtight chamber.
  • the diaphragm matches perfectly with the profile of the sole lower surface.
  • the air chamber is connected to a source of compressed air. Due to the mutual matching of the above mentioned parts of the press, the air chamber is set under pressure, and consequently the elastic diaphragm pushes uniformly the sole .
  • the object of the present invention is to propose a method which outweighs the above mentioned disadvantages, more precisely a method which allows to obtain a uniform gluing of a sole to an upper.
  • Another object of the present invention is to propose a method which allows to reduce the time necessary to glue a sole to an upper.
  • a further object of the present invention is to propose a method which does not require specialized operators.
  • a still further object of the present invention is to propose an apparatus which carries out the above mentioned method.
  • the above mentioned objects are obtained in accordance with the content of the claims .
  • Figure 1 is a lateral, schematic, partial section view of an apparatus for gluing a sole to a relative upper of a shoe, disposed in a rest configuration;
  • Figure 2 is the same view as the Figure 1, with the apparatus carrying out the proposed method disposed in a working configuration.
  • the reference numeral 1 indicates an apparatus which carries out the proposed method for gluing a sole F to a relative upper T of a shoe
  • M indicates the assembly formed by a last R, an upper T and a sole F.
  • the apparatus 1 is composed of two parts, namely a lower part 2 and an upper part 3, moving vertically one with respect to the other between two positions: a rest, or open position I, shown in Figure 1, and a working position O.
  • the upper part 3 When in the rest position, the upper part 3 is disposed away the lower part 2 and when in the working position 0 the two parts match perfectly with each other and are hermetically closed by sealing means 32, e.g. connected to the upper part 2 , as shown in Figure 2.
  • the lower part 2 features, situated thereinside, means 20 for positioning the assembly formed by the last, upper and sole, e.g. a pin 20a, on which the last R is put and fastened, and a support 20b for the narrower part of the upper T previously put on the last R, as shown in Figure 1.
  • means 20 for positioning the assembly formed by the last, upper and sole e.g. a pin 20a, on which the last R is put and fastened, and a support 20b for the narrower part of the upper T previously put on the last R, as shown in Figure 1.
  • a source of vacuum is also connected to the lower part 2.
  • the upper part 3 features an elastic diaphragm 30, which defines an airtight chamber P inside the upper part 3.
  • the diaphragm 30 When the upper part 3 is in the working position O, the diaphragm 30 mates perfectly with the profile of the lower surface Si of the sole F; in this position, the diaphragm 30 delimits a chamber D inside the lower part 2.
  • the upper part 3 can be connected with a source Sp of compressed air.
  • the method for gluing a sole to a relative upper of a shoe includes a sequence of working steps : first the upper T is set on a corresponding last R (lasting) ; then, as anticipated in the introductory statement, the glue present on the lower dace of the upper and on the upper surface of the sole F is re-activated; and the sole F is placed on the lower part of the last R and consequently of the upper T, so as to define the pre-positioning of the sole F with respect to the upper T and to obtain the assembly M formed by the last, the upper and the sole.
  • the assembly M formed by, the upper and the sole, is placed inside the lower part 2, with the lower surface Si of the bottom F turned upwards, thus stabilizing the position of the assembly on the means 20a, 20b.
  • the lower part 2 and the upper part 3 are operated to pass from the rest position I to the working position O, and consequently.
  • the elastic diaphragm 30 goes to abut on the lower surface Si of the sole F.
  • the source of vacuum Sv is activated to create a vacuum action inside the chamber D.
  • the porosity of the materials forming the sole and the upper increases to facilitate the elimination of air (other gases and/or particles of water vapor can be present therein, as well as products which are introduced into the glue e.g. to make it active as soon as possible) ; a pre-gluing between the sole F and the upper T (which have the re-activated glue) is therefore produced.
  • the source of compressed air Sp is operated in step relation with this operation; the chamber P is set under pressure and consequently, the elastic diaphragm 30, touching the lower surface Si of the sole, is subjected to a uniform pressure, which cooperates with the action of the vacuum to press the sole F against the upper T to glue them. This situation is maintained for a predetermined time, and then the source of compressed air and the source of vacuum are deactivated to resume the initial pressure conditions .
  • the lower part 2 and the upper part 3 turn to the rest, open position I, to allow the assembly M formed by, the upper and the sole, to be removed, with the sole F glued thereto.
  • the lower part 2 and the upper part 3 are controlled by a control unit, which controls the stages related to the action of the vacuum in the chamber D and the action of the compressed air in the air chamber P, to determine a perfect gluing of the sole F to the relative upper T of a shoe.
  • the defining of a chamber D, inside which a vacuum is created, allows to eliminate the air present between the sole and the upper, which ensures a rapid, perfect and durable gluing.
  • the described method reduces also the time required for gluing the parts; the vacuum action in cooperation with the compressed air action, eliminates . the air present between the sole and the upper, thus the gluing can be more or less rapid in function to the pressure value (lower pressure - more time, higher pressure - less time) .

Abstract

A method for gluing a sole to a shoe upper, uses an apparatus formed by two parts, a lower part (2) and an upper part (3), moving between two positions: a rest or open position (I), and a working or closed position (O). The lower part (2) includes means (20) for supporting a previously obtained assembly (M) formed by a last, the upper and the sole (M). The upper part (3) includes an elastic diaphragm (30) which defines an airtight chamber (P) situated inside the upper part (3). The method includes: placing the assembly (M) formed by the last, the upper and the sole (M) within the lower part (2); moving the lower part (2) and the upper part (3) to working position (O); activating vacuum means (Sv) for creating vacuum inside a chamber (D), defined by the lower part (2) when the apparatus is in the working position (O); activating pressure generating means (Sp) which generate uniform pressure inside the airtight chamber (P), so as to glue the sole (F) to the upper T; removal of the vacuum condition and deactivating of the pressure generating means (Sp); moving the lower part (2) and the upper part (3) to the rest position (I); removing the assembly (M) formed by the last, the upper and the sole, from the lower part (2).

Description

METHOD FOR GLUING A SOLE TO AN UPPER OF A SHOE
The present invention relates to a method for joining a sole with a shoe upper by gluing. It is known that during some working steps, a layer of glue is applied to the lower face of the upper and to the upper part of the sole, and is activated at a later time by a predetermined temperature, so as to make the lower part of the upper adhere and be glued to the upper part of the sole.
It is also known that the upper, obtained by assembling some parts, is set on a last and the sole is placed on the lower face of the upper.
The assembly so obtained formed by the last, the upper and the sole is placed into a kind of press, of known type, to complete gluing of the sole to the upper.
Supporting and positioning means for the last-upper-sole assembly are situated inside the lower part of the press, while the upper part thereof is equipped with an elastic diaphragm defining an airtight chamber.
The diaphragm matches perfectly with the profile of the sole lower surface.
The air chamber is connected to a source of compressed air. Due to the mutual matching of the above mentioned parts of the press, the air chamber is set under pressure, and consequently the elastic diaphragm pushes uniformly the sole .
The above described system present some drawbacks. In order to make the sole adhere perfectly to the lower part of the upper, it is necessary to apply a very high pressure to the sole and maintain this high pressure until the sole is completely glued to the upper. The compression is aimed at eliminating air present between the upper and the sole when the sole is applied to the lower part of the upper.
The disadvantage of the above method derives from the fact that although the pressure performed on the sole is very high, the air present between the sole and the upper is not eliminated completely and consequently, the sole is not glued homogeneously to the whole surface of the upper, which has a negative effect on the final product: repeated use of the shoe can cause gradual detaching of the sole from the upper.
Another disadvantage results from the fact that gluing of the sole to the upper requires a lot of time, which reduces the production rate.
The object of the present invention is to propose a method which outweighs the above mentioned disadvantages, more precisely a method which allows to obtain a uniform gluing of a sole to an upper.
Another object of the present invention is to propose a method which allows to reduce the time necessary to glue a sole to an upper.
A further object of the present invention is to propose a method which does not require specialized operators.
A still further object of the present invention is to propose an apparatus which carries out the above mentioned method. The above mentioned objects are obtained in accordance with the content of the claims .
The characteristic features of the present invention will be pointed out in the following description of a preferred, but not only embodiment, with reference to the enclosed drawings, in which:
Figure 1 is a lateral, schematic, partial section view of an apparatus for gluing a sole to a relative upper of a shoe, disposed in a rest configuration; - Figure 2 is the same view as the Figure 1, with the apparatus carrying out the proposed method disposed in a working configuration.
With reference to the enclosed drawings, the reference numeral 1 indicates an apparatus which carries out the proposed method for gluing a sole F to a relative upper T of a shoe, and M indicates the assembly formed by a last R, an upper T and a sole F.
The apparatus 1 is composed of two parts, namely a lower part 2 and an upper part 3, moving vertically one with respect to the other between two positions: a rest, or open position I, shown in Figure 1, and a working position O.
When in the rest position, the upper part 3 is disposed away the lower part 2 and when in the working position 0 the two parts match perfectly with each other and are hermetically closed by sealing means 32, e.g. connected to the upper part 2 , as shown in Figure 2.
The lower part 2 features, situated thereinside, means 20 for positioning the assembly formed by the last, upper and sole, e.g. a pin 20a, on which the last R is put and fastened, and a support 20b for the narrower part of the upper T previously put on the last R, as shown in Figure 1.
A source of vacuum, whose function will be explained later, is also connected to the lower part 2. The upper part 3 features an elastic diaphragm 30, which defines an airtight chamber P inside the upper part 3.
When the upper part 3 is in the working position O, the diaphragm 30 mates perfectly with the profile of the lower surface Si of the sole F; in this position, the diaphragm 30 delimits a chamber D inside the lower part 2.
The upper part 3 can be connected with a source Sp of compressed air.
The method for gluing a sole to a relative upper of a shoe includes a sequence of working steps : first the upper T is set on a corresponding last R (lasting) ; then, as anticipated in the introductory statement, the glue present on the lower dace of the upper and on the upper surface of the sole F is re-activated; and the sole F is placed on the lower part of the last R and consequently of the upper T, so as to define the pre-positioning of the sole F with respect to the upper T and to obtain the assembly M formed by the last, the upper and the sole.
The assembly M formed by, the upper and the sole, is placed inside the lower part 2, with the lower surface Si of the bottom F turned upwards, thus stabilizing the position of the assembly on the means 20a, 20b.
After the assembly has been duly set, the lower part 2 and the upper part 3 are operated to pass from the rest position I to the working position O, and consequently. the elastic diaphragm 30 goes to abut on the lower surface Si of the sole F.
Afterwards, the source of vacuum Sv is activated to create a vacuum action inside the chamber D. Thus, the porosity of the materials forming the sole and the upper increases to facilitate the elimination of air (other gases and/or particles of water vapor can be present therein, as well as products which are introduced into the glue e.g. to make it active as soon as possible) ; a pre-gluing between the sole F and the upper T (which have the re-activated glue) is therefore produced.
The source of compressed air Sp is operated in step relation with this operation; the chamber P is set under pressure and consequently, the elastic diaphragm 30, touching the lower surface Si of the sole, is subjected to a uniform pressure, which cooperates with the action of the vacuum to press the sole F against the upper T to glue them. This situation is maintained for a predetermined time, and then the source of compressed air and the source of vacuum are deactivated to resume the initial pressure conditions .
Afterwards, the lower part 2 and the upper part 3 turn to the rest, open position I, to allow the assembly M formed by, the upper and the sole, to be removed, with the sole F glued thereto.
It is to be pointed out that the lower part 2 and the upper part 3 are controlled by a control unit, which controls the stages related to the action of the vacuum in the chamber D and the action of the compressed air in the air chamber P, to determine a perfect gluing of the sole F to the relative upper T of a shoe.
The above described method for gluing a sole F to a relative upper T of a shoe and the apparatus carrying out the method are advantageous .
The defining of a chamber D, inside which a vacuum is created, allows to eliminate the air present between the sole and the upper, which ensures a rapid, perfect and durable gluing. The described method reduces also the time required for gluing the parts; the vacuum action in cooperation with the compressed air action, eliminates . the air present between the sole and the upper, thus the gluing can be more or less rapid in function to the pressure value (lower pressure - more time, higher pressure - less time) .

Claims

1. Method for gluing a sole to a shoe upper, which method is performed by means of an apparatus formed by two parts, a lower part (2) and an upper part (3) , moving vertically with respect to each other between two positions: a rest or open position (I) in which said upper part (3) is far away from said lower part (2) , and a working position (0) in which the two parts match perfectly with each other and are hermetically closed by sealing means (32) , with said lower part (2) being equipped with means (20) for supporting and positioning an assembly (M) formed by a last, the upper and the sole (M) , said assembly (M) being obtained by setting an upper (T) on a corresponding last (R) , re-activating a glue present on the lower face of said upper (T) and on the upper surface of the sole (F) and placing the sole on the lower part of the upper (T) , and with said upper part (3) being equipped with an elastic diaphragm (30) to define an airtight chamber (P) situated inside said upper part (3), said method characterized in that it includes: placing the assembly M formed by, the last, the upper and the sole in said lower part on said supporting means (20) ; moving said lower part (2) and said upper part (3) to said working position (O) , so as to close them hermetically; activating vacuum means (Sv) for creating a vacuum inside a chamber (D) delimited by the lower part (2) when said lower part (2) and said upper part (3) are disposed in the working position (0) , so as increase the porosity of the materials forming the sole (F) and the upper (T) in order to facilitate elimination of air and products which are introduced into the glue to make it active as soon as possible, thus defining a first gluing between said sole (F) and said upper (T) ; activating pressure generating means (Sp) which generate pressure inside said airtight chamber (P) , with said diaphragm (30) touching the lower surface (Si) of the sole (F) to perform a uniform pressure on the lower face of the sole (F) , in order to glue the sole (F) to the upper (T) ; elimination of vacuum and deactivating of the pressure generating means (Sp) ; moving said lower part (2) and said upper part (3) to the rest position; removing the assembly (M) formed by the last, the upper and the sole from the lower part (2) .
2. Apparatus for gluing a sole to a shoe upper of a shoe, characterized in that it includes two parts, a lower part (2) and an upper part (3) , moving vertically with respect to each other between two positions : a rest or open position (I) in which said upper part (3) is far away from said lower part (2) , and a working position (O) in which the two parts match perfectly with each other and are hermetically closed by sealing means (32) , with said lower part (2) being equipped with means (20) for supporting and positioning an assembly (M) formed by a last, the upper and the sole, said assembly (M) being obtained by setting an upper (T) on a last (R) , reactivating glue present on the lower face of said upper (T) and on the upper surface of the sole (F) and applying the sole on the lower face of the upper (T) , and with said upper part (3) being equipped with an elastic diaphragm (30) to define an airtight chamber (P) situated inside said upper part (3) ; said apparatus including also a source of vacuum (Sv) connected to the lower part (2) and aimed at creating a vacuum inside a chamber (D) defined by said lower part (2) when said lower part (2) and said upper part (3) are moved to the working position (0) , so as to increase the porosity of the materials forming the sole (F) and the upper (T) , in order to facilitate the elimination of air and products which are introduced into the glue to make it active as soon as possible, thus defining a first gluing between said sole
(F) and said upper (T) ; said apparatus including also a source of compressed air connected to said upper part (3)' and aimed at introducing compressed air inside said chamber (P) , with said pressure aimed at pushing said elastic diaphragm (30) against the lower surface of the sole (F) to glue the sole to the upper (T) .
PCT/IB2002/000603 2001-02-27 2002-02-26 Method for gluing a sole to an upper of a shoe WO2002067712A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02712199A EP1363515A1 (en) 2001-02-27 2002-02-26 Method for gluing a sole to an upper of a shoe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2001BO000104A ITBO20010104A1 (en) 2001-02-27 2001-02-27 METHOD FOR GLUING A BOTTOM TO A RELATED FOOTWEAR UPPER
ITBO2001A000104 2001-02-27

Publications (1)

Publication Number Publication Date
WO2002067712A1 true WO2002067712A1 (en) 2002-09-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2002/000603 WO2002067712A1 (en) 2001-02-27 2002-02-26 Method for gluing a sole to an upper of a shoe

Country Status (3)

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EP (1) EP1363515A1 (en)
IT (1) ITBO20010104A1 (en)
WO (1) WO2002067712A1 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003094647A1 (en) * 2002-05-07 2003-11-20 Mario Ciucani Method for gluing a shoe sole to a shoe upper
WO2014130600A1 (en) * 2013-02-22 2014-08-28 Nike International Ltd. System and method for applying heat and pressure to three-dimensional articles
WO2015184338A1 (en) * 2014-05-30 2015-12-03 Skysole Corporation Thermoforming footwear method
CN105495855A (en) * 2014-07-24 2016-04-20 卡骆驰公司 Method and apparatus for manufacturing articles of footwear including different materials
US9351540B2 (en) 2013-02-14 2016-05-31 Nike, Inc. Last with retractable pins
US9585438B2 (en) 2013-02-22 2017-03-07 Nike, Inc. System and method for forming an article
US9713361B2 (en) 2013-02-22 2017-07-25 Nike, Inc. Bottom-down last for 3D forming
CN107455847A (en) * 2017-09-25 2017-12-12 福建铁工机智能机器人有限公司 A kind of vacuum-pumping type sole shoes face press fit device and its application method
EP3424361A1 (en) * 2017-07-06 2019-01-09 Chaei Hsin Enterprise Co., Ltd. Method of preparing shoe components

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3160899A (en) * 1961-05-08 1964-12-15 Bille Mario Device for glueing the upper to soles of shoes
GB1520094A (en) * 1976-01-21 1978-08-02 British Bata Shoe Co Ltd Shaping and lasting footwear uppers
FR2469143A1 (en) * 1979-11-09 1981-05-22 Sifsa Gluing press for foot-wear - consists of elastic pocket, adjustable in height, with pressure plate, and mould
US4304020A (en) * 1978-09-06 1981-12-08 Remy Villaret Installation for shoe production
JPH03132337A (en) * 1989-10-18 1991-06-05 Daitoku:Kk Method and apparatus for bonding flexible member
GB2256356A (en) * 1991-06-04 1992-12-09 Select Crafts Ltd Joining shoe components with adhesive

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3160899A (en) * 1961-05-08 1964-12-15 Bille Mario Device for glueing the upper to soles of shoes
GB1520094A (en) * 1976-01-21 1978-08-02 British Bata Shoe Co Ltd Shaping and lasting footwear uppers
US4304020A (en) * 1978-09-06 1981-12-08 Remy Villaret Installation for shoe production
FR2469143A1 (en) * 1979-11-09 1981-05-22 Sifsa Gluing press for foot-wear - consists of elastic pocket, adjustable in height, with pressure plate, and mould
JPH03132337A (en) * 1989-10-18 1991-06-05 Daitoku:Kk Method and apparatus for bonding flexible member
GB2256356A (en) * 1991-06-04 1992-12-09 Select Crafts Ltd Joining shoe components with adhesive

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 015, no. 339 (M - 1152) 28 August 1991 (1991-08-28) *

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003094647A1 (en) * 2002-05-07 2003-11-20 Mario Ciucani Method for gluing a shoe sole to a shoe upper
US9351540B2 (en) 2013-02-14 2016-05-31 Nike, Inc. Last with retractable pins
US10010140B2 (en) 2013-02-14 2018-07-03 Nike, Inc. Last with retractable pins
US9961964B2 (en) 2013-02-14 2018-05-08 Nike, Inc. Method of making an article of footwear with a last having retractable pins
US10582742B2 (en) 2013-02-14 2020-03-10 Nike, Inc. Last with retractable pins
US9585438B2 (en) 2013-02-22 2017-03-07 Nike, Inc. System and method for forming an article
US9259877B2 (en) 2013-02-22 2016-02-16 Nike, Inc. System and method for applying heat and pressure to three-dimensional articles
US9713361B2 (en) 2013-02-22 2017-07-25 Nike, Inc. Bottom-down last for 3D forming
US10897962B2 (en) 2013-02-22 2021-01-26 Nike, Inc. System and method for forming an article
EP3262968A1 (en) * 2013-02-22 2018-01-03 NIKE Innovate C.V. System and method for applying heat and pressure to three-dimensional articles
US9862160B2 (en) 2013-02-22 2018-01-09 Nike, Inc. System and method for applying heat and pressure to three-dimensional articles
WO2014130600A1 (en) * 2013-02-22 2014-08-28 Nike International Ltd. System and method for applying heat and pressure to three-dimensional articles
WO2015184338A1 (en) * 2014-05-30 2015-12-03 Skysole Corporation Thermoforming footwear method
CN105495855A (en) * 2014-07-24 2016-04-20 卡骆驰公司 Method and apparatus for manufacturing articles of footwear including different materials
CN105495855B (en) * 2014-07-24 2018-07-31 卡骆驰公司 Method and apparatus for manufacturing the article of footwear for including different materials
EP3424361A1 (en) * 2017-07-06 2019-01-09 Chaei Hsin Enterprise Co., Ltd. Method of preparing shoe components
CN107455847A (en) * 2017-09-25 2017-12-12 福建铁工机智能机器人有限公司 A kind of vacuum-pumping type sole shoes face press fit device and its application method

Also Published As

Publication number Publication date
EP1363515A1 (en) 2003-11-26
ITBO20010104A0 (en) 2001-02-27
ITBO20010104A1 (en) 2002-08-27

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