(19)

(11)

EP 1 161 332 A1

(12)

(43) Date of publication: 12.12.2001 Bulletin 2001/50 (21) Application number: 00904577.4 (22) Date of filing: 27.01.2000

(51) International Patent Classification (IPC)7: B28B 1/28, B29C 31/08 (86) International application number: PCT/US0001/929 (87) International publication number: WO 0048/807 (24.08.2000 Gazette 2000/34)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 17.02.1999 US 250799 (71) Applicant: CORNING INCORPORATED Corning, N.Y. 14831 (US)	(72) Inventors: CUTLER, Willard, A. Big Flats, NY 14814 (US) TORNS, Jennifer, M. Painted Post, NY 14870 (US) (74) Representative: Reinhard - Skuhra - Weise & Partner  Friedrichstrasse 31 80801 München 80801 München (DE)