WO2004041014A1 - Systeme de fabrication de semelles de chaussures - Google Patents

Systeme de fabrication de semelles de chaussures Download PDF

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Publication number
WO2004041014A1
WO2004041014A1 PCT/ES2003/000200 ES0300200W WO2004041014A1 WO 2004041014 A1 WO2004041014 A1 WO 2004041014A1 ES 0300200 W ES0300200 W ES 0300200W WO 2004041014 A1 WO2004041014 A1 WO 2004041014A1
Authority
WO
WIPO (PCT)
Prior art keywords
piece
sole
mold
injection
injected
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/ES2003/000200
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English (en)
Spanish (es)
Inventor
Carlos MARTÍNEZ SERRANO
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU2003224184A priority Critical patent/AU2003224184A1/en
Publication of WO2004041014A1 publication Critical patent/WO2004041014A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00—Producing footwear
    • B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B29D35/14—Multilayered parts
    • B29D35/142—Soles

Definitions

  • the present invention relates to a system for the manufacture of soles, which provides essential novelty characteristics and notable advantages over the means known and used for the same purposes in the current state of the art.
  • the invention proposes the development of a system for the manufacture of soles, in particular of the type known as "spay", whereby considerable time and cost savings are achieved, while allowing achieve any silhouette, shape, design, etc., with the use of any material, by virtue of the application of injection techniques of plastic materials alone or in combination with pieces of other materials such as leather, cuerolite, sarpa and Similar.
  • the system includes the design and preparation of precision molds for injection operations, so that when using separately injected parts or even the use of non-plastic parts, it allows combinations of designs, shapes, materials or colors to be obtained which considerably improve the aesthetic appearance of the set, without damaging its physical characteristics at all.
  • this type of soles is carried out by punching a piece of the chosen material, such as leather, body, claw, or similar, with the shape and size required in accordance with customer needs This piece sticks to the shoe, after which the heel is placed.
  • the chosen material such as leather, body, claw, or similar
  • the sole is not entirely one piece, but rather it is preferred to manufacture it based on the combination of several pieces for design, comfort or other preferences or needs, the piece that has been cut if inserted into the sole, after which a spay is cut in which a surface area of corresponding profile is emptied with the first die cut piece, so that this first piece is inserted into the empty cavity and is glued with a tail or glue suitable for both materials.
  • the cavity is of a depth such that the insert is practically flush with the rest of the sole, without protruding too much, taking care to pre-round the edges in order to avoid snagging that could determine friction detachment.
  • the present invention has been proposed as a fundamental objective the fact of providing effective solutions that allow to carry out the manufacture of soles of this type in a much faster way, and of course, to much lower costs. This objective has been fully achieved by means of the system that will be described in the following, and whose main characteristics are contained in the characterizing part of claim 1.
  • the proposed system allows the process to be carried out with the advantages of a lower cost and considerably less time, as well as developing any silhouette, shape, design, etc., with the use of any material due to that there is no use of any gluing operation between pieces, thus eliminating the inconvenience that usually occurs with some frequency during gluing, and that it consists in its incompatibility with the pieces used.
  • the system proposed by the invention favorably solves these inconveniences, and for this purpose it proposes the preparation of precision molds with which the injection of the parts involved in the formation of the sole, with the chosen materials, can be carried out. that one of the previously injected pieces, conveniently configured, can be placed in the mold into which the second one is to be injected, so that the material of the second fills the remaining space of the mold, and retains the first.
  • the opposite can be done, that is, by introducing the larger part in the mold into which the smaller one is to be injected.
  • the configuration adopted by each of them will depend on the effect that is intended to be achieved with them.
  • the system also allows the development of a process by means of which it is possible to save on mold costs, with the use of the injection process.
  • Figures 1 and 2 show schematic representations, in plan, of a piece of smaller dimensions to be inserted in the cavity of another of larger dimensions;
  • Figure 3 illustrates a schematic plan view of a sole composition with the part of Figure 2 incorporated and attached to another supporting it;
  • Figure 8 represents elevational views of examples of soles obtained by the system of the invention.
  • Figures 9 to 11 illustrate schematic representations relating to an alternative embodiment provided by the system of the invention.
  • the system proposed by the invention allows different embodiments, whose detailed description will be carried out in the following with the help of the attached drawings, through which they use the same numerical references to designate the same or similar parts.
  • the piece 1a is made of a material that can be injected, and has a configuration previously designed according to the needs, with the pre-established dimensions and thicknesses.
  • Obtaining the pieces 1a or 1b, with the use of the corresponding molds, allows the system to move forward to the next stage of the process, in which a mold is prepared for the injection of the sole piece that must contain piece 1a or 1b, as shown in Figure 3.
  • Said sole piece, indicated by numerical reference 3, consists of an injection piece, obtained with the use of an appropriate mold, according to its design and dimensions.
  • the system has provided for the incorporation of said piece 1a in the mold responsible for making the injection of the sole part 3, so that the material of said sole part 3 fills the entire space of the mold, surrounding the part 1a, and entering through the holes 2 or of other cavities that it may possess, as shown by the indications 3a that appear in this same Figure.
  • the system has provided for the incorporation of said piece 1a in the mold responsible for making the injection of the sole part 3, so that the material of said sole part 3 fills the entire space of the mold, surrounding the part 1a, and entering through the holes 2 or of other cavities that it may possess, as shown by the indications 3a that appear in this same Figure.
  • the system supports other embodiments, of which Figures 4 to 7 constitute concrete examples.
  • the process can be reversed, essentially in the case that the 3 'sole piece, of larger dimensions, is of a non-moldable material, as it happens in the case that it is made from leather, cuerolite, sarpa , or another of a similar nature.
  • it is the sole piece 3 'that is placed in the mold, and then the injection operation of the piece 1c is carried out, with the desired configuration and dimensions.
  • part 1c The insert has a hole 4, through which the 3'a portion of the sole piece 30 'appears.
  • Figure 6 illustrates a sole piece 5 of the same material, that is, of leather or the like, in which a piece of the type 1b contained in Figure 2, provided with holes 2, has been injected with plastic material, through which the material 5a of the larger part 5 appears;
  • Figure 7 shows another alternative form, in which, on a sole piece 5 of a material such as leather or the like, as explained above, portions 7 are injected with different shapes and in different positions, which in In this case they try to illustrate an exemplary embodiment in which the formations could consist of separate islets, and be aligned in any direction.
  • the system of the invention allows soles of the commented type to adopt any desired shape or configuration, whether it is two injected pieces, or in the case that a piece of a material such as leather or similar, and a piece injected into a moldable material, such as plastic or the like.
  • the variations can also be appreciated, if desired, in side elevation, as shown in the representations of Figure 8.
  • the sole may present the injected plastic portions in an outstanding manner with respect to the two surfaces of the leather piece 5 or the like, as indicated by portions 8 and 9 of the first representation, or protrude with respect on a single surface, as per the portions indicated by reference 10, or the injected portions may be flush with the surface of the leather piece 5, as indicated in the last representation of this Figure, in which the piece 5 of leather or the like has a top covering 11 of injected plastic material, with portions 11a that pass through the piece of leather 5, and which are superficially flush with the underside of said piece 5 of leather.
  • FIG. 9 An alternative embodiment of the system proposed by the invention is shown in Figure 9, whereby the construction of the molds can be considerably simplified, with the consequent economic savings that this entails.
  • the system foresees the use of a quadrangular mold, preferably square or rectangular, schematized in the Figure and indicated with the numerical reference 13, in which a piece 12 is introduced, which in its case can be of material plastic, and therefore previously injected, or it may be of any other material, such as leather or similar used in the description of the preceding examples.
  • the configuration shown is of the type that appears in the last representation of Figure 8, in which there is a layer 12 of leather, and a plastic 14 that, once injected, fills all the gaps and existing cavities, a portion 14a appearing through the leather, in the chosen position and with the configuration that has been designed (see, in particular, the schematic cross section of this same Figure 9).
  • the system provides a rectangular or square shaped iron, as shown in Figure 10, which can be appropriately punched, with a predetermined sole profile 15, containing the portion 14a of plastic material in the desired position.
  • the system allows the set to be provided with the desired appearance, degree of finish and combined color, and in this sense, the set obtained allows the placement of a fence, of any appropriate material that is desired, resulting in a spay. similar to other models made with higher quality manufacturing processes and much more expensive.
  • Figure 11 shows, in a simplified manner, a section made in the alternative embodiment of Figure 10, in which the layer 12 of leather or the like appears, the layer 14 of injected plastic material, with the portion 14a protruding through the body , and with a portion of fence, as mentioned above, referenced as 16, and located on the layer 14 of plastic material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

L'invention concerne un système permettant de fabriquer des semelles de chaussures, en particulier des semelles du type « spay », de manière plus simple, rapide et économique que les systèmes classiques. Ledit système consiste à insérer une partie en matière injectable dans une partie de semelle de plus grandes dimensions, qui peut être également en matière injectable ou en une autre matière classique ( cuir, cuir synthétique, sarpa, ou similaire), au moyen de moules d'injection qui permettent d'injecter une partie sur l'autre, après avoir placé au préalable cette dernière à l'intérieur du moule. Les semelles produites avec ledit système présentent divers degrés de finition et/ou d'aspect final.
PCT/ES2003/000200 2002-11-04 2003-05-06 Systeme de fabrication de semelles de chaussures Ceased WO2004041014A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003224184A AU2003224184A1 (en) 2002-11-04 2003-05-06 Shoe sole production system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200202638 2002-11-04
ES200202638A ES2243101B1 (es) 2002-11-04 2002-11-04 Sistema para la fabricacion de suelas para calzado.

Publications (1)

Publication Number Publication Date
WO2004041014A1 true WO2004041014A1 (fr) 2004-05-21

Family

ID=32309636

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2003/000200 Ceased WO2004041014A1 (fr) 2002-11-04 2003-05-06 Systeme de fabrication de semelles de chaussures

Country Status (3)

Country Link
AU (1) AU2003224184A1 (fr)
ES (1) ES2243101B1 (fr)
WO (1) WO2004041014A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2307392B1 (es) * 2006-07-27 2009-09-18 Calzados Hergar, S.A. Plantilla para calzado.
ES2361315B1 (es) * 2009-06-18 2012-04-20 Vulcanizados Argus, S.L Método de fabricación de un conjunto de base-suela para calzado y conjunto de base-suela fabricado con dicho método.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3652757A (en) * 1967-10-20 1972-03-28 Stubbe Maschinenfabrik Gmbh Fa Method for injection molding of multilayer soles of elastomers onto uppers of a shoe
ES8703332A1 (es) * 1986-03-20 1987-03-01 Manufactura Espanola Del Cauch Procedimiento para la termoconformacion de suelas en varios colores en etil vinil acetato expandido
EP0219593A2 (fr) * 1985-09-16 1987-04-29 Manufactura Espanola Del Caucho, S.A. Procédé de fabrication de semelles pour chaussures
EP0920981A2 (fr) * 1997-11-28 1999-06-09 Stonefly S.p.A. Procédé de fabrication de chaussures et chaussure obtenue par ce procédé
EP1245375A1 (fr) * 2001-03-26 2002-10-02 adidas International B.V. Procédé pour la fabrication d'une semelle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3652757A (en) * 1967-10-20 1972-03-28 Stubbe Maschinenfabrik Gmbh Fa Method for injection molding of multilayer soles of elastomers onto uppers of a shoe
EP0219593A2 (fr) * 1985-09-16 1987-04-29 Manufactura Espanola Del Caucho, S.A. Procédé de fabrication de semelles pour chaussures
ES8703332A1 (es) * 1986-03-20 1987-03-01 Manufactura Espanola Del Cauch Procedimiento para la termoconformacion de suelas en varios colores en etil vinil acetato expandido
EP0920981A2 (fr) * 1997-11-28 1999-06-09 Stonefly S.p.A. Procédé de fabrication de chaussures et chaussure obtenue par ce procédé
EP1245375A1 (fr) * 2001-03-26 2002-10-02 adidas International B.V. Procédé pour la fabrication d'une semelle

Also Published As

Publication number Publication date
ES2243101B1 (es) 2007-02-01
AU2003224184A1 (en) 2004-06-07
ES2243101A1 (es) 2005-11-16

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