(19)

(11)

EP 1 358 052 A2

(12)

(88) Date of publication A3: 19.09.2002 (43) Date of publication: 05.11.2003 Bulletin 2003/45 (21) Application number: 02713458.4 (22) Date of filing: 25.01.2002

(51) International Patent Classification (IPC)7: B28B 1/00 (86) International application number: PCT/US0202/106 (87) International publication number: WO 0205/8902 (01.08.2002 Gazette 2002/31)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 26.01.2001 US 264068 P (71) Applicant: LAFARGE PLATRES 84915 Avignon Cedex 9 (FR)	(72) Inventor: COLBERT, Elizabeth, A. Blacklick, OH 43004 (US) (74) Representative: Cabinet HirschGroupement 161  34, Rue de Bassano 75008 Paris 75008 Paris (FR)