(19)

(11)

EP 1 239 800 A1

(12)

(43) Date of publication: 18.09.2002 Bulletin 2002/38 (21) Application number: 00965429.4 (22) Date of filing: 20.09.2000

(51) International Patent Classification (IPC)7: A61F 13/15, B32B 3/00 (86) International application number: PCT/US0026/361 (87) International publication number: WO 0102/1122 (29.03.2001 Gazette 2001/13)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 21.09.1999 US 155459 P (71) Applicant: WEYERHAEUSER COMPANY Federal Way,Washington 98003 (US)	(72) Inventor: MARSH, David, G. Federal Way, WA 98023 (US) (74) Representative: Trueman, Lucy Petra  Barker Brettell,138 Hagley Road,Edgbaston Birmingham B16 9PW Birmingham B16 9PW (GB)