(19)

(11)

EP 2 872 701 A1

(12)

(43) Date of publication: 20.05.2015 Bulletin 2015/21 (21) Application number: 13787884.9 (22) Date of filing: 04.04.2013

(51) International Patent Classification (IPC):  E03D 9/05(2006.01) F24F 7/06(2006.01) E03D 9/04(2006.01) (86) International application number: PCT/US2013/035243 (87) International publication number: WO 2013/169415 (14.11.2013 Gazette 2013/46)

(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: 09.05.2012 MX 2012000202 U (71) Applicants: Gallardo Chaparro, Cesar El Paso, Texas 79925 (US) Gallardo Chaparro, Rogelio El Paso, Texas 79925 (US)	(72) Inventors: Gallardo Chaparro, Cesar El Paso, Texas 79925 (US) Gallardo Chaparro, Rogelio El Paso, Texas 79925 (US) (74) Representative: Carpintero Lopez, Francisco et al Herrero & Asociados, S.L. Alcalá 35 28014 Madrid 28014 Madrid (ES)