EP1336347A1 - Schuh mit spritzgegossener Sohle und gepolstertem Fussbett, und Hertellungsverfahren - Google Patents

Schuh mit spritzgegossener Sohle und gepolstertem Fussbett, und Hertellungsverfahren Download PDF

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Publication number
EP1336347A1
EP1336347A1 EP02425080A EP02425080A EP1336347A1 EP 1336347 A1 EP1336347 A1 EP 1336347A1 EP 02425080 A EP02425080 A EP 02425080A EP 02425080 A EP02425080 A EP 02425080A EP 1336347 A1 EP1336347 A1 EP 1336347A1
Authority
EP
European Patent Office
Prior art keywords
footbed
footwear
insole
sole
stitching
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Withdrawn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
EP02425080A
Other languages
English (en)
French (fr)
Inventor
Maria Antonietta Meneghin
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.)
Calzaturificio Orion SpA
Original Assignee
Calzaturificio Orion 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 Calzaturificio Orion SpA filed Critical Calzaturificio Orion SpA
Priority to EP02425080A priority Critical patent/EP1336347A1/de
Publication of EP1336347A1 publication Critical patent/EP1336347A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B9/00—Footwear characterised by the assembling of the individual parts
    • A43B9/02—Footwear stitched or nailed through
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B9/00—Footwear characterised by the assembling of the individual parts
    • A43B9/16—Footwear with soles moulded on to uppers or welded on to uppers without adhesive
    • A43B9/18—Footwear with soles moulded on to uppers or welded on to uppers without adhesive moulded

Definitions

  • the present invention refers to the field of manufacturing of footwear of the type with an injection moulded sole.
  • Shoes of this type are currently made by first assembling a lasting or insole and an upper by peripheral stitching (generally a Strobel stitching or chain stitching), so as to form a sort of sack (sack working or California method) and then placing the sack, thus obtained, possibly on a special last, in a mould in which injection moulding of the sole is carried out.
  • the shoe can then be internally completed with a soft, possibly padded insole or footbead, to improve the comfort of the user.
  • the footbed can be merely slipped inside the shoe, so as to be removable, or else it can be glued to the lasting insole.
  • the gluing operation is awkward to perform and has a cost. If the footbed is to be removable, it must be relatively rigid and this also, like the insertion operation, has a cost.
  • An object of the present application is to reduce the manufacturing costs of shoes with a direct injection molded sole.
  • a further object is to obtain a comfortable shoe with a good performance.
  • a padded or unpadded footbed or footwear inner insole, and an upper of the footwear are first sewn together, without any need to make use of a lasting insole; in a variant a footbed and a lasting insole are sewn together, around the periphery thereof, before or after having performed stitching of the insole and the upper. In both cases injection moulding of the sole is then carried out.
  • the invention provides the possibility of applying an open cell padding to the entire undersurface or sole of a user's foot, allowing use of footbeds of very soft, breathable material, avoids the need to carry out difficult and costly gluing, and obtains a more suitable finish of the footbed from an aesthetic and wearing point of view.
  • the footwear can easily be made antistatic by means of stitching through the footbed/insole, said stitching being done at the same time as the assembly stitching or coinciding with said assembling stitching.
  • the footwear C comprises an upper 1, possibly a lining 2, a lasting or foundation insole 4, an inner insole or footbed 5 with padding 6, and a sole 3, of plastic material.
  • the upper is joined to the foundation insole by means of chain stitching or so-called “Strobel stitching", referenced 7, which is carried out by preliminarily forming a sort of sack and is then placed in a mould into which the material for the sole 3 is injected.
  • the footbed 5 with the padding 6 is then inserted into the footwear thus formed, and left loose therein so that it is removable, or it is fixed by gluing to the lasting insole.
  • the footbed must be sufficiently rigid to be able to be inserted into the shoe, possibly removed and inserted again a number of times without problems and this detracts from the softness that would be desirable. Furthermore, the gluing operation, if used, is particularly complex and time consuming.
  • the shoe C1 comprises an upper 11, possibly with a lining 12.
  • a bottom or bottom stock comprises an insole or footbed 15 with padding 16, preferably a layer of open cell plastic material, integral therewith, and the footbed has a peripheral portion 15' free from the padding, which is sewn by means of overlapping sewing 18 to the lower edge of the upper 11 which may have a lining 12. Since there is no lasting or foundation insole, the padding 16 emerges beyond the bottom part of the upper.
  • the upper-insole assembly thus formed is placed in a mould and the sole 13 of plastic material is injection moulded thereon.
  • the footwear C1 can be produced at a limited cost with respect to the footwear C of Figure 1, in that it does not require a lasting insole and avoids the operations of gluing of the footbed. Moreover it proves particularly soft and comfortable, both because of the presence of a single insole or footbed, the inner one, and because said footbed can be made of less rigid material than the materials habitually used for footbeds, in that it does not have to be inserted into the footwear during assembly.
  • FIGS 3 and 4 illustrate another embodiment of the footwear of the invention, referenced C2.
  • the footwear C2 comprises an upper 21 possibly with a lining 22, a bottom comprising a lasting insole 24, a footbed 25 possibly with a lining 26, preferably of open cell material.
  • the upper 21 (possibly with a lining 22) and the lasting or foundation insole 24 are assembled by means of a Strobel or chain sewing, 27, with the sack forming technique.
  • the footbed 25 is sewn to the lasting insole at the periphery of both or a short distance therefrom by means of stitching 28.
  • the components thus assembled are placed in a mould, in which the sole 23 is formed by injection moulding. In this case also advantages are obtained in the comfort of the footwear, which is softer, and also in manufacturing costs and times.
  • the stitching 18 and 28, respectively remains exposed inside the footwear and, if it is made with conductive thread, allows a footwear of the antistatic type to be made.
  • the footbed which has been described as a sheet completed with the open cell padding, can consist of a variety of embodiments, for example it can comprise a number of superimposed sheets, of leather or synthetic material, woven or spread. Between one layer and the other it is possible to insert a suction accessory such as, for example, an electrowelded vacuum cushion (which is a prior art accessory).
  • a suction accessory such as, for example, an electrowelded vacuum cushion (which is a prior art accessory).

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP02425080A 2002-02-18 2002-02-18 Schuh mit spritzgegossener Sohle und gepolstertem Fussbett, und Hertellungsverfahren Withdrawn EP1336347A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02425080A EP1336347A1 (de) 2002-02-18 2002-02-18 Schuh mit spritzgegossener Sohle und gepolstertem Fussbett, und Hertellungsverfahren

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02425080A EP1336347A1 (de) 2002-02-18 2002-02-18 Schuh mit spritzgegossener Sohle und gepolstertem Fussbett, und Hertellungsverfahren

Publications (1)

Publication Number Publication Date
EP1336347A1 true EP1336347A1 (de) 2003-08-20

Family

ID=27619215

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02425080A Withdrawn EP1336347A1 (de) 2002-02-18 2002-02-18 Schuh mit spritzgegossener Sohle und gepolstertem Fussbett, und Hertellungsverfahren

Country Status (1)

Country Link
EP (1) EP1336347A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10362835B2 (en) 2014-06-25 2019-07-30 Fuerst Group, Inc. Strobel lasted injected footwear
CN112135543A (zh) * 2018-05-31 2020-12-25 耐克创新有限合伙公司 带有囊和楦鞋部件的鞋类中底布和制造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217345A (en) * 1961-08-18 1965-11-16 B W Footwear Company Method of making shoes
DE1931138U (de) * 1965-10-30 1966-01-13 Desma Werke Gmbh Schuh.
CH424535A (de) * 1964-11-13 1966-11-15 Desma Werke Gmbh Skistiefel
CH526281A (de) * 1969-10-02 1972-08-15 Hoffmann Gmbh Gustav Schuh mit Schaft

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217345A (en) * 1961-08-18 1965-11-16 B W Footwear Company Method of making shoes
CH424535A (de) * 1964-11-13 1966-11-15 Desma Werke Gmbh Skistiefel
DE1931138U (de) * 1965-10-30 1966-01-13 Desma Werke Gmbh Schuh.
CH526281A (de) * 1969-10-02 1972-08-15 Hoffmann Gmbh Gustav Schuh mit Schaft

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10362835B2 (en) 2014-06-25 2019-07-30 Fuerst Group, Inc. Strobel lasted injected footwear
CN112135543A (zh) * 2018-05-31 2020-12-25 耐克创新有限合伙公司 带有囊和楦鞋部件的鞋类中底布和制造方法

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