(19)

(11)

EP 2 879 860 A1

(12)

(43) Date of publication: 10.06.2015 Bulletin 2015/24 (21) Application number: 12748318.8 (22) Date of filing: 06.08.2012

(51) International Patent Classification (IPC):  B29C 70/38(2006.01) B29K 105/08(2006.01) (86) International application number: PCT/US2012/049696 (87) International publication number: WO 2014/025333 (13.02.2014 Gazette 2014/07)

(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 (71) Applicant: Zoltek Companies Inc. St. Louis MO 63044 (US)	(72) Inventors: BUCKMILLER, Daniel, K. Herriman, Utah 84065 (US) JOHNS, Rolf, M. Brigham City, Utah 84302 (US) (74) Representative: Patentwerk B.V.  P.O. Box 1514 5200 BN 's-Hertogenbosch 5200 BN 's-Hertogenbosch (NL)