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(11)

EP 2 691 215 A1

(12)

(43) Date of publication: 05.02.2014 Bulletin 2014/06 (21) Application number: 11861984.0 (22) Date of filing: 31.03.2011

(51) International Patent Classification (IPC):  B25F 5/02(2006.01) B25D 17/04(2006.01) B25F 5/00(2006.01) B25D 17/00(2006.01) (86) International application number: PCT/US2011/030650 (87) International publication number: WO 2012/134473 (04.10.2012 Gazette 2012/40)

(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 (71) Applicant: Ingersoll-Rand Company Davidson, NC 28036 (US)	(72) Inventors: KOKINELIS, Christopher, Anthony Flemington NJ 08822 (US) RUETSCH, Randolph, Robert Branchburg NJ 08876 (US) (74) Representative: Popp, Eugen et al Meissner, Bolte & Partner GbR Postfach 86 06 24 81633 München 81633 München (DE)