(19)

(11)

EP 2 908 958 A1

(12)

(43) Date of publication: 26.08.2015 Bulletin 2015/35 (21) Application number: 12781539.7 (22) Date of filing: 16.10.2012

(51) International Patent Classification (IPC):  B07B 1/28(2006.01) B07B 1/48(2006.01) B07B 1/46(2006.01) (86) International application number: PCT/US2012/060444 (87) International publication number: WO 2014/062164 (24.04.2014 Gazette 2014/17)

(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 (71) Applicant: Derrick Corporation Buffalo, NY 14225 (US)	(72) Inventors: WOJCIECHOWSKI, Keith, F. Lakeview, NY 14085 (US) NEWMAN, Christian Lakeview, NY 14085 (US) (74) Representative: Boult Wade Tennant  Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)