(19)

(11)

EP 3 324 794 A1

(12)

(43) Date of publication: 30.05.2018 Bulletin 2018/22 (21) Application number: 16741826.8 (22) Date of filing: 15.07.2016

(51) International Patent Classification (IPC):  A47F 1/12(2006.01) A47B 57/58(2006.01) A47F 5/00(2006.01) A47B 87/02(2006.01) (86) International application number: PCT/US2016/042580 (87) International publication number: WO 2017/015142 (26.01.2017 Gazette 2017/04)

(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 Designated Validation States: MA MD (30) Priority: 17.07.2015 US 201514802549 (71) Applicant: RTC Industries, Inc. Rolling Meadows, IL 60008 (US)	(72) Inventors: HARDY, Stephen N. Wadsworth, Ohio 44281 (US) DIPAOLO, Tony Naperville, Illinois 60565 (US) PIRONE, John Rolling Meadows, Illinois 60008 (US) PARSONS, Stuart Rolling Meadows, Illinois 60008 (US) (74) Representative: Bryers LLP  7 Gay Street Bath, Bath and North East Somerset BA1 2PH Bath, Bath and North East Somerset BA1 2PH (GB)