(19)
(11) EP 2 122 301 A2

(12)

(88) Date of publication A3:
19.02.2009

(43) Date of publication:
25.11.2009 Bulletin 2009/48

(21) Application number: 08751005.3

(22) Date of filing: 25.02.2008
(51) International Patent Classification (IPC): 
G01B 11/24(2006.01)
(86) International application number:
PCT/IB2008/001277
(87) International publication number:
WO 2008/129420 (30.10.2008 Gazette 2008/44)
(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 MT NL NO PL PT RO SE SI SK TR

(30) Priority: 28.02.2007 IT MI20070385

(71) Applicant: Pisani, Giorgio
27058 Voghera (PV) (IT)

(72) Inventor:
  • Pisani, Giorgio
    27058 Voghera (PV) (IT)

(74) Representative: Riccardi, Sergio 
Via M. Melloni, 32
20129 Milano
20129 Milano (IT)

   


(54) LASER MEASURING METHOD AND SYSTEM FOR CHECKING LONGITUDINAL MOVEMENTS OF THE LONG WELDED RAIL BOTH UNDER CONSTRUCTION AND IN OPERATION