EP2550888B1 - Procédé de fabrication de composants d'un levier pour un crochet de fermeture de chaussures de sport - Google Patents

Procédé de fabrication de composants d'un levier pour un crochet de fermeture de chaussures de sport Download PDF

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Publication number
EP2550888B1
EP2550888B1 EP20120164567 EP12164567A EP2550888B1 EP 2550888 B1 EP2550888 B1 EP 2550888B1 EP 20120164567 EP20120164567 EP 20120164567 EP 12164567 A EP12164567 A EP 12164567A EP 2550888 B1 EP2550888 B1 EP 2550888B1
Authority
EP
European Patent Office
Prior art keywords
ribs
extruded profile
lever
holes
blanking
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.)
Not-in-force
Application number
EP20120164567
Other languages
German (de)
English (en)
Other versions
EP2550888A1 (fr
Inventor
Cristiano Benetti
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.)
Olm Sportech Srl
Original Assignee
Olm Sportech Srl
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 Olm Sportech Srl filed Critical Olm Sportech Srl
Publication of EP2550888A1 publication Critical patent/EP2550888A1/fr
Application granted granted Critical
Publication of EP2550888B1 publication Critical patent/EP2550888B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00Extruding metal; Impact extrusion
    • B21C23/02Making uncoated products
    • B21C23/04Making uncoated products by direct extrusion
    • B21C23/14Making other products
    • B21C23/142Making profiles
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43CFASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00Other fastenings specially adapted for shoes
    • A43C11/14Clamp fastenings, e.g. strap fastenings; Clamp-buckle fastenings; Fastenings with toggle levers
    • A43C11/1406Fastenings with toggle levers; Equipment therefor
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43DMACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D8/00Machines for cutting, ornamenting, marking or otherwise working up shoe part blanks
    • A43D8/02Cutting-out
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C35/00Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
    • B21C35/02Removing or drawing-off work
    • B21C35/023Work treatment directly following extrusion, e.g. further deformation or surface treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C35/00Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
    • B21C35/02Removing or drawing-off work
    • B21C35/023Work treatment directly following extrusion, e.g. further deformation or surface treatment
    • B21C35/026Removing sections from the extruded work, e.g. removing a strip to create an open profile

Definitions

  • These alloys have a high degree of hot deformability and may have an increased mechanical strength following suitable heat treatment which causes the formation of hardening phases which are homogeneously dispersed in the aluminium matrix.
  • the fork 30, in the embodiments shown in Figures 1 and 2 and 10 to 14 , comprises a hinging hole 31 intended during use to be aligned with a corresponding hinging hole 44 formed in the tie-piece 40.
  • the hinging hole 31 of the fork 30 and the corresponding hinging hole 44 of the tie-piece 40 are designed to be engaged by a second hinging pin 34.
  • the punches or single punch provided in the operating zone C of the cover 130 of the mould 110 allow, if required, not only separation of the component from the extruded profile, but also surface shaping of the non-operating portion of the profile, "non-operating portion of the profile” being understood as meaning the surface which is not passed through by the ribs 60.

Landscapes

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

Claims (8)

  1. Procédé pour fabriquer un composant (20, 30, 40) d'un levier (10) pour une boucle de fermeture, comprenant les étapes suivantes consistant à:
    fabriquer, au moyen de l'extrusion d'une billette d'alliage d'aluminium, un profil extrudé (20a) s'étendant dans un plan (XY); ledit profil extrudé (20a) étant prévu avec au moins deux nervures (60) appropriées pour définir au moins une rainure (27) s'étendant le long de la direction d'extrusion (X); lesdites au moins deux nervures (60) s'étendant au moins partiellement le long d'une direction (Z) qui est perpendiculaire au plan (XY);
    poinçonner partiellement ledit profil extrudé (20a) afin d'interrompre la continuité structurelle des au moins deux nervures (60) afin de définir, le long de la au moins une rainure (27), un ou plusieurs sièges de guidage (21a, 22a, 31a, 32a, 43a, 44a);
    cintrer les au moins deux nervures (60) définissant les sièges de guidage (21a, 22a, 31a, 32a, 43a, 44a) afin d'obtenir, le long de la au moins une rainure (27), un ou plusieurs trous (21, 22, 31, 32, 43, 44) appropriés pour loger un axe de charnière (25, 34) et/ou un axe d'ancrage (24, 35) du levier (10);
    poinçonner complètement le profil extrudé (20a) afin de séparer le composant fini (20, 30, 40) du profil extrudé (20a).
  2. Procédé selon la revendication 1, dans lequel les étapes consistant à poinçonner partiellement, cintrer et poinçonner complètement le profil extrudé (20a) sont réalisées en séquence au moyen d'un seul moule progressif (110).
  3. Procédé selon la revendication 1, dans lequel le profil extrudé (20a) est réalisé avec un alliage d'aluminium choisi dans le groupe d'alliages d'aluminium des séries 6000 et 7000.
  4. Procédé selon la revendication 1, dans lequel les trous (21, 22, 31, 32, 43, 44) sont reliés par au moins deux nervures (60), dont les extrémités sont agencées pour se fermer ensemble.
  5. Procédé selon la revendication 1, dans lequel les trous (21, 22, 31, 32, 43, 44) sont reliés par au moins deux nervures (60), dont les extrémités sont en contact entre elles.
  6. Procédé selon la revendication 1, dans lequel, en même temps que l'étape consistant à poinçonner complètement le profil extrudé (20a), l'étape consistant à former la surface de la partie du profil extrudé (20a) non traversée par les nervures (60) est réalisée.
  7. Composant (20, 30, 40) d'un levier (10) pour une boucle de fermeture obtenue selon le procédé selon l'une quelconque des revendications 1 à 6, dans lequel les trous (21, 22, 31, 32, 43, 44) appropriés pour loger un axe de charnière (25, 34) et/ou un axe d'ancrage (24, 35) du levier (10) sont reliés par au moins deux nervures (60), dont les extrémités sont agencées à proximité les unes des autres.
  8. Composant (20, 30, 40) selon la revendication 7, dans lequel les trous (21, 22, 31, 32, 43, 44) appropriés pour loger un axe de charnière (24, 35) et/ou un axe d'ancrage (24, 35) sont reliés par au moins deux nervures (60), dont les extrémités sont en contact entre elles.
EP20120164567 2011-07-29 2012-04-18 Procédé de fabrication de composants d'un levier pour un crochet de fermeture de chaussures de sport Not-in-force EP2550888B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000110A ITTV20110110A1 (it) 2011-07-29 2011-07-29 Metodo di produzione dei componenti di una leva per un gancio di chiusura per calzature sportive

Publications (2)

Publication Number Publication Date
EP2550888A1 EP2550888A1 (fr) 2013-01-30
EP2550888B1 true EP2550888B1 (fr) 2013-07-31

Family

ID=44584511

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20120164567 Not-in-force EP2550888B1 (fr) 2011-07-29 2012-04-18 Procédé de fabrication de composants d'un levier pour un crochet de fermeture de chaussures de sport

Country Status (2)

Country Link
EP (1) EP2550888B1 (fr)
IT (1) ITTV20110110A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPN20120044A1 (it) * 2012-08-03 2014-02-04 Tecnologica S P A Procedimento per la realizzazione di componenti di dispositivi di serraggio a leva, in particolare per calzature sportive
ITTV20130007A1 (it) * 2013-01-23 2014-07-24 O L M Sportech Srl Metodo di produzione di una rastrelliera per un gancio di chiusura per calzature sportive.
ITVE20130056A1 (it) * 2013-10-21 2015-04-22 Am Teknostampi S P A Metodo di produzione dei componenti di un organo di chiusura a leva in calzature sportive.-
ITVE20130064A1 (it) * 2013-12-04 2015-06-05 Vega S R L Con Unico Socio Stampo per realizzare bracci di leva/cavallotti per calzature sportive a partire da un profilato estruso di alluminio provvisto di fori di estrusione.
EP2952289B1 (fr) 2014-06-06 2019-02-06 Vega S.r.l. Societa' Unipersonale Procédé pour fabriquer des leviers de serrage et installation correspondante
ITUB20153719A1 (it) * 2015-09-18 2017-03-18 Vega S R L Metodo per realizzare bracci di leva/cavallotti per dispositivi di chiusura in alluminio per calzature sportive
ITUB20160019A1 (it) * 2016-01-22 2017-07-22 Vega S R L Braccio di leva per dispositivi di chiusura
IT201600125989A1 (it) * 2016-12-14 2018-06-14 Am Teknostampi S P A "base per dispositivi di serraggio per calzature sportive e relativo metodo di produzione”
IT201700055990A1 (it) * 2017-05-23 2018-11-23 Vega S R L Procedimento di realizzazione di una basetta

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1714573A1 (fr) * 2005-04-21 2006-10-25 Lange International S.A. Accessoire métallique pour chaussure de sport
ITTV20090012U1 (it) * 2009-04-01 2010-10-02 O L M Srl Gancio di chiusura per scarponi da sci (ed altre calzature).

Also Published As

Publication number Publication date
EP2550888A1 (fr) 2013-01-30
ITTV20110110A1 (it) 2013-01-30

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