(19)

(11)

EP 2 142 680 A1

(12)

(43) Date of publication: 13.01.2010 Bulletin 2010/02 (21) Application number: 08731925.7 (22) Date of filing: 12.03.2008

(51) International Patent Classification (IPC):  C23C 8/06(2006.01) C23C 8/80(2006.01) C21D 1/10(2006.01) (86) International application number: PCT/US2008/056559 (87) International publication number: WO 2008/124239 (16.10.2008 Gazette 2008/42)

(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: 06.04.2007 US 922174 P (71) Applicant: Swagelok Company Solon, OH 44139 (US)	(72) Inventors: COLLINS, Sunniva, R. Cleveland Heights, OH 44118 (US) WILLIAMS, Peter, C. Cleveland Heights, OH 44121 (US) (74) Representative: Neill, Alastair William  Appleyard Lees 15 Clare Road Halifax West Yorkshire HX1 2HY Halifax West Yorkshire HX1 2HY (GB)