EP1931484B1 - Verfahren zum falzen von t-profilen und vorrichtung zur durchführung des verfahrens - Google Patents

Verfahren zum falzen von t-profilen und vorrichtung zur durchführung des verfahrens 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
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EP
European Patent Office
Prior art keywords
punches
length
pair
wheel
punching
Prior art date
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EP06819060A
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English (en)
French (fr)
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EP1931484A1 (de
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
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Priority to PL06819060T priority Critical patent/PL1931484T3/pl
Priority to SI200631113T priority patent/SI1931484T1/sl
Publication of EP1931484A1 publication Critical patent/EP1931484A1/de
Application granted granted Critical
Publication of EP1931484B1 publication Critical patent/EP1931484B1/de
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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)
  • Shaping Metal By Deep-Drawing, Or The Like (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)
  • Nonmetallic Welding Materials (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Claims (3)

  1. Verfahren zum Erzeugen von Profilen, das einen Schritt des Versehens eines Metallblechstreifens mit einem Profil, um ein T-Profil zu erhalten, umfasst, wobei am Steg des T mehrere Stanzvorgänge mit ersten Stanzstempeln (6) ausgeführt werden, um Paare paralleler Einschnitte mit einer Länge (L) zu bilden, wobei die Profile anschließend einem weiteren Stanzschritt mit zweiten Stanzstempeln (8), denen Unterstempel zugewandt sind, unterworfen werden, dadurch gekennzeichnet, dass die zweiten Stanzstempel (8) einen rechtwinkligen Querschnitt haben, dessen große Seite eine Länge (L') hat, die größer ist als die Länge (L) der großen Seite der ersten Stanzstempel (6), und die einen halbkreisförmigen Sitz (14) haben.
  2. Vorrichtung zum Ausführen des Verfahrens nach Anspruch 1, die umfasst:
    - ein erstes Paar Stanzräder (2, 2'),
    - wobei ein erstes Rad (2) des ersten Paars auf seiner ringförmigen Oberfläche mit ersten Stanzstempeln (6) versehen ist und
    - wobei ein zweites Rad (2') des ersten Paars auf seiner ringförmigen Oberfläche mit einer ersten ringförmigen Nut (10), die den ersten Stanzstempeln zugewandt ist, versehen ist,
    - ein zweites Paar Stanzräder (4, 4'),
    - wobei ein erstes Rad (4) des zweiten Paars auf seiner ringförmigen Oberfläche mit zweiten Stanzstempeln (8) versehen ist und
    - ein zweites Rad (4') des zweiten Paars auf seiner ringförmigen Oberfläche mit einer zweiten ringförmigen Nut (12), die den zweiten Stanzstempeln zugewandt ist, versehen ist,
    wobei die Vorrichtung dadurch gekennzeichnet ist, dass:
    - die erste ringförmige Nut (10) eine Durchgangsnut ist, während die zweite ringförmige Nut (12) eine Breite besitzt, die etwas größer als jene der ersten ringförmigen Nut (10) ist, und eine Tiefe besitzt, derart, dass für die zweiten Stanzstempel (8) ein Unterstempel gebildet wird, und die zweiten Stanzstempel einen rechtwinkligen Querschnitt haben, wovon eine große Seite eine Länge (L') besitzt, die größer ist als die Länge (L) der großen Seite der ersten Stanzstempel (6), und die einen halbkreisförmigen Sitz (14) haben.
  3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die ersten Stanzstempel (6) einen im Wesentlichen trapezförmigen Querschnitt haben.
EP06819060A 2005-10-03 2006-09-28 Verfahren zum falzen von t-profilen und vorrichtung zur durchführung des verfahrens Active EP1931484B1 (de)

Priority Applications (2)

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

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 (en) 2005-10-03 2006-09-28 Method for seaming t profiles, apparatus for implementing the method, and profile obtained by the method

Publications (2)

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

Family

ID=37680774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06819060A Active EP1931484B1 (de) 2005-10-03 2006-09-28 Verfahren zum falzen von t-profilen und vorrichtung zur durchführung des verfahrens

Country Status (10)

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

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.
ES2539916T3 (es) * 2011-06-10 2015-07-07 Knauf Amf Gmbh & Co. Kg Viga metálica y su utilización
MX358936B (es) * 2012-07-27 2018-09-10 Cipriani Giuseppe Barra de una estructura de soporte para un falso techo y proceso de trabajo para obtener la barra.
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
ATE513637T1 (de) 2011-07-15
SI1931484T1 (sl) 2011-10-28
ITVE20050046A1 (it) 2007-04-04
PL1931484T3 (pl) 2011-11-30
ES2367321T3 (es) 2011-11-02
PT1931484E (pt) 2011-08-03
WO2007039542A1 (en) 2007-04-12
HRP20110548T1 (hr) 2011-09-30
EP1931484A1 (de) 2008-06-18
DK1931484T3 (da) 2011-10-03

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