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(11)

EP 1 701 899 A1

(12)

(43) Date of publication: 20.09.2006 Bulletin 2006/38 (21) Application number: 05705173.2 (22) Date of filing: 07.01.2005

(51) International Patent Classification (IPC):  B65D 88/62(2006.01) B65B 31/02(2006.01) B01D 21/00(2006.01) (86) International application number: PCT/US2005/000399 (87) International publication number: WO 2005/068325 (28.07.2005 Gazette 2005/30)

(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 MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR LV MK YU (30) Priority: 07.01.2004 US 534833 P (71) Applicant: Walker-Dawson Interests, Inc. Clinton, LA 70722 (US)	(72) Inventors: DAWSON, Richard, F. Clinton, LA 70722 (US) WALKER, Charles, G. Baton Rouge, LA 70810 (US) (74) Representative: Muschke, Markus Artur Heinz  Patentanwälte Schwabe, Sandmair, Marx Stuntzstrasse 16 81677 München 81677 München (DE)