(19)

(11)

EP 2 981 779 A1

(12)

(43) Date of publication: 10.02.2016 Bulletin 2016/06 (21) Application number: 14778723.8 (22) Date of filing: 04.04.2014

(51) International Patent Classification (IPC):  F28C 1/14(2006.01) (86) International application number: PCT/US2014/033056 (87) International publication number: WO 2014/165811 (09.10.2014 Gazette 2014/41)

(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 (30) Priority: 04.04.2013 US 201361808608 P 06.05.2013 US 201361819743 P (71) Applicant: E-polytech Mfg. Sys, LLC LaVernia, TX 78121 (US)	(72) Inventor: CALTON, Dean LaVernia, TX 78121 (US) (74) Representative: Patentanwälte Bressel und Partner mbB  Potsdamer Platz 10 10785 Berlin 10785 Berlin (DE)