(19)

(11)

EP 3 092 321 A1

(12)

(43) Date of publication: 16.11.2016 Bulletin 2016/46 (21) Application number: 15700646.1 (22) Date of filing: 08.01.2015

(51) International Patent Classification (IPC):  C21B 7/24(2006.01) G01N 27/02(2006.01) F27B 1/28(2006.01) (86) International application number: PCT/EP2015/050191 (87) International publication number: WO 2015/104306 (16.07.2015 Gazette 2015/28)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 09.01.2014 LU 92351 (71) Applicant: Tmt - Tapping Measuring Technology Sàrl 1122 Luxembourg (LU)	(72) Inventor: STUMPER, Jean-François L-5740 Filsdorf (LU) (74) Representative: Office Freylinger  P.O. Box 48 8001 Strassen 8001 Strassen (LU)