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(11)

EP 2 122 342 A1

(12)

(43) Date of publication: 25.11.2009 Bulletin 2009/48 (21) Application number: 08728011.1 (22) Date of filing: 22.01.2008

(51) International Patent Classification (IPC):  G01N 29/11(2006.01) B64D 15/20(2006.01) G01N 29/22(2006.01) F25C 1/00(2006.01) (86) International application number: PCT/US2008/051601 (87) International publication number: WO 2008/103513 (28.08.2008 Gazette 2008/35)

(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: 22.02.2007 US 902797 P 10.01.2008 US 972095 (71) Applicant: Illinois Tool Works Inc. Glenview, IL 60026 (US)	(72) Inventors: KNOWLES, Terrence J. Glenview, Illinois 60026 (US) TRUESDALE, Brian J. Glenview, Illinois 60026 (US) (74) Representative: Meissner, Bolte & Partner  Anwaltssozietät GbR Postfach 10 26 05 86016 Augsburg 86016 Augsburg (DE)