EP1931484B1 - Procede de jonction de profiles en t et appareil pour mettre en oeuvre le procede - Google Patents

Procede de jonction de profiles en t et appareil pour mettre en oeuvre le procede Download PDF

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Publication number
EP1931484B1
EP1931484B1 EP06819060A EP06819060A EP1931484B1 EP 1931484 B1 EP1931484 B1 EP 1931484B1 EP 06819060 A EP06819060 A EP 06819060A EP 06819060 A EP06819060 A EP 06819060A EP 1931484 B1 EP1931484 B1 EP 1931484B1
Authority
EP
European Patent Office
Prior art keywords
punches
length
pair
wheel
punching
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.)
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Application number
EP06819060A
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German (de)
English (en)
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EP1931484A1 (fr
Inventor
Sergio Dallan
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.)
Dallan SpA
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Dallan SpA
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Publication date
Application filed by Dallan SpA filed Critical Dallan SpA
Priority to SI200631113T priority Critical patent/SI1931484T1/sl
Priority to PL06819060T priority patent/PL1931484T3/pl
Publication of EP1931484A1 publication Critical patent/EP1931484A1/fr
Application granted granted Critical
Publication of EP1931484B1 publication Critical patent/EP1931484B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
    • B21D39/035—Joining superposed plates by slitting

Definitions

  • the present invention relates to a method for seaming T profcludes and an apparatus for implementing the method.
  • T profiles obtained by profiling a sheet metal strip are known for forming support frames for false ceilings.
  • this is provided with a plurality of longitudinal seams obtained by a process comprising a first step in which a plurality of parallel slits of length L are formed in said web spaced apart by a width H, after which a transverse punching operation is effected with a punch having the same length L and width H against a die provided in a wheel facing the punching wheel.
  • JP-A-05245554 shows a method for producing profiles, and apparatus therefore, whereby parallel incisions of length L are made by a first punches, followed a plastic deformation step by second punches.
  • the first punches and second punches cooperate with die rolls, one of which being provided with a groove.
  • this improvement is obtained by a method for producing profiles as described in claim 1 and an apparatus a described in claim 2.
  • the method of the invention uses two pairs of punching wheels 2, 2', 4, 4' of vertical axis, the wheels 2, 4 being provided on their lateral surface with two rows of first punches 6 and second punches 8 which are faced on the wheels 2', 4' by two annular grooves 10, 12.
  • the annular groove 10 is a through groove whereas the groove 12 has a width slightly greater than the first groove and a depth such as to form a die for the second punches 8 of the wheel 4.
  • the first punches 6 have a substantially trapezoidal longitudinal section whereas the second punches 8 have a substantially rectangular section with the major side L' having a dimension greater than that of the first punches 6 and comprising a semicircular seat 14.
  • the web 16 of this is made to pass through the pairs of punching wheels 2, 2' and 4. 4'.
  • the first punches 6 form on the web of the strip a plurality of pairs of parallel incisions having a length corresponding to the length of the first punches 6 and spaced apart by a distance corresponding to the thickness of the first punches.
  • the web 16 is then subjected to the action of the second punches 8 which effect a further punching in correspondence with the first punching.
  • the sheet metal cannot further translate because of the presence of the die formed by the groove 12, but instead the most outer portion forms a kind of collar 20 which embraces the inner portion to hence prevent longitudinal slippage of the two parallel parts facing the webs and thus provide greater flexural rigidity.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Metal Rolling (AREA)
  • Control Of Heat Treatment Processes (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Press Drives And Press Lines (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Claims (3)

  1. Procédé de production de profilés, comprenant une étape de profilage d'une bande de tôle métallique pour obtenir un profilé en T, dans lequel une pluralité de poinçonnages est effectuée sur l'âme du T par des premiers poinçons (6) pour former des paires d'incisions parallèles de longueur (L), ledit profilé étant ensuite soumis à une autre étape de poinçonnage avec des seconds poinçons (8) garnis de matrices, caractérisé en ce que lesdits seconds poinçons (8) ont une section transversale rectangulaire dont le plus grand côté a une longueur (L') supérieure à la longueur (L) du plus grand côté des premiers poinçons (6) et comprennent un siège semi-circulaire (14).
  2. Appareil pour mettre en oeuvre le procédé selon la revendication 1, comprenant :
    - une première paire de roues de poinçonnage (2,2'),
    - une première roue (2) de la première paire étant pourvue sur sa surface annulaire de premiers poinçons (6),
    - une seconde roue (2') de la première paire étant pourvue sur sa surface annulaire d'une première rainure annulaire (10) en regard des premiers poinçons,
    - une seconde paire de roues de poinçonnage (4,4'),
    - une première roue (4) de la seconde paire étant pourvue sur sa surface annulaire de seconds poinçons (8),
    - une seconde roue (4') de la seconde paire étant pourvue sur sa surface annulaire d'une seconde rainure annulaire (12) en regard des seconds poinçons,
    l'appareil étant caractérisé en ce que :
    - la première rainure annulaire (10) étant une rainure traversante alors que la seconde rainure annulaire (12) a une largeur légèrement supérieure à la première rainure annulaire (10) et une profondeur telle qu'elle forme une matrice pour les seconds poinçons (8) et les seconds poinçons ont une section transversale rectangulaire dont le plus grand côté a une longueur (L') supérieure à la longueur (L) du plus grand côté des premiers poinçons (6) et comprennent un siège semi-circulaire (14).
  3. Appareil selon la revendication 1, caractérisé en ce que les premiers poinçons (6) ont une section transversale sensiblement trapézoïdale.
EP06819060A 2005-10-03 2006-09-28 Procede de jonction de profiles en t et appareil pour mettre en oeuvre le procede Active EP1931484B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200631113T SI1931484T1 (sl) 2005-10-03 2006-09-28 Postopek za spajanje T profilov in naprava za izvedbo postopka
PL06819060T PL1931484T3 (pl) 2005-10-03 2006-09-28 Sposób zszywania profili T oraz urządzenie do realizacji sposobu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000046A ITVE20050046A1 (it) 2005-10-03 2005-10-03 Procedimento di aggraffiatura di profilati a t, apparecchiatura per attuare il procedimento e profilato ottenuto con il procedimento.-
PCT/EP2006/066831 WO2007039542A1 (fr) 2005-10-03 2006-09-28 Procede de jonction de profiles en t, appareil pour mettre en œuvre le procede et profile obtenu au moyen du procede

Publications (2)

Publication Number Publication Date
EP1931484A1 EP1931484A1 (fr) 2008-06-18
EP1931484B1 true EP1931484B1 (fr) 2011-06-22

Family

ID=37680774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06819060A Active EP1931484B1 (fr) 2005-10-03 2006-09-28 Procede de jonction de profiles en t et appareil pour mettre en oeuvre le procede

Country Status (10)

Country Link
EP (1) EP1931484B1 (fr)
AT (1) ATE513637T1 (fr)
DK (1) DK1931484T3 (fr)
ES (1) ES2367321T3 (fr)
HR (1) HRP20110548T1 (fr)
IT (1) ITVE20050046A1 (fr)
PL (1) PL1931484T3 (fr)
PT (1) PT1931484E (fr)
SI (1) SI1931484T1 (fr)
WO (1) WO2007039542A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5128350B2 (ja) * 2008-04-07 2013-01-23 森永製菓株式会社 カテキン類化合物の吸収促進用の医薬組成物
ITVE20100054A1 (it) * 2010-10-18 2012-04-19 Dallan Spa Procedimento di aggraffatura di profilati a t, apparecchiatura per attuare il procedimento e profilato ottenuto con il procedimento.
EP2532799B1 (fr) * 2011-06-10 2015-05-20 Knauf AMF GmbH & Co. KG Support métallique et son utilisation
DK2877643T3 (en) * 2012-07-27 2016-08-22 Giuseppe Cipriani Beam for a supporting structure for a suspended ceiling as well as a manufacturing process for the manufacture of the beam
ITVR20130040A1 (it) 2013-02-14 2014-08-15 Giuseppe Cipriani Struttura metallica di supporto di un controsoffitto.
ITVR20130058A1 (it) 2013-03-08 2014-09-09 Giuseppe Cipriani Profilato di una struttura di supporto di un controsoffitto e procedimento di lavorazione per lavorare il profilato.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2767339B2 (ja) * 1992-03-10 1998-06-18 日鐵建材工業株式会社 金属板のかしめ接合方法および装置

Also Published As

Publication number Publication date
ITVE20050046A1 (it) 2007-04-04
WO2007039542A1 (fr) 2007-04-12
DK1931484T3 (da) 2011-10-03
EP1931484A1 (fr) 2008-06-18
SI1931484T1 (sl) 2011-10-28
ATE513637T1 (de) 2011-07-15
HRP20110548T1 (hr) 2011-09-30
ES2367321T3 (es) 2011-11-02
PL1931484T3 (pl) 2011-11-30
PT1931484E (pt) 2011-08-03

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