(19)
(11) EP 2 090 382 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
23.06.2010 Bulletin 2010/25

(43) Date of publication A2:
19.08.2009 Bulletin 2009/34

(21) Application number: 09001857.3

(22) Date of filing: 10.02.2009
(51) International Patent Classification (IPC): 
B21D 7/06(2006.01)
B21D 7/14(2006.01)
 B21D 9/08(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA RS

(30) Priority: 11.02.2008 IT TO20080107

(71) Applicant: Officine Metallurgiche Piemontesi S.p.A.
16155 Genova Pegli (IT)

(72) Inventor:
  • Mongiardino, Giorgio
    16155 Genova Pegli (IT)

(74) Representative: Bruni, Giovanni 
Laforgia, Bruni & Partners Corso Duca degli Abruzzi, 78
10129 Torino
10129 Torino (IT)

   


(54) Method for cold-bending of pipes and the like


(57) Method for cold-bending of pipes (1) and the like characterised by a step for preparing a pipe (1) to be bent, a step for marking the significant dimensions in the method, an actual bending step performed by a press (2) provided with a curvilinear saddle (3) and with two supports or cribs (4), a control of the bending parameters obtained and a step for calibrating the straight section of the bent pipe (1).







Search report