(19)

(11)

EP 1 793 934 A2

(12)

(88) Date of publication A3: 01.06.2006 (43) Date of publication: 13.06.2007 Bulletin 2007/24 (21) Application number: 05784630.5 (22) Date of filing: 12.08.2005

(51) International Patent Classification (IPC):  B05B 13/02(2006.01) B65G 17/06(2006.01) B05B 13/04(2006.01) B65G 17/30(2006.01) (86) International application number: PCT/US2005/028721 (87) International publication number: WO 2006/020857 (23.02.2006 Gazette 2006/08)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 13.08.2004 US 601729 P 11.08.2005 US 201525 11.08.2005 US 201526 11.08.2005 US 201527 (71) Applicants: PPG Industries Ohio, Inc. Cleveland, OH 44111 (US) George Koch Sons, LLC Evansville IN 47744 (US)

(72) Inventors: OROSZ, Gary R. Valencia, PA 16059 (US) GLEASON, James M. Newburgh, Indiana 47630 (US) NEELEY, Thomas S. Newburgh, Indiana 47630 (US) SPINDLER, Irvin R. Princeton, Indiana 47670 (US) LANGHORST, Dan R. Evansville, Indiana 47710 (US) (74) Representative: Lüdcke, Joachim Moritz  Sternagel, Fleischer, Godemeyer & Partner Braunsberger Feld 29 51429 Bergisch Gladbach 51429 Bergisch Gladbach (DE)