(19)
(11) EP 1 338 696 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 158(3) EPC

(48) Corrigendum issued on:
17.12.2003 Bulletin 2003/51

(43) Date of publication:
27.08.2003 Bulletin 2003/35

(21) Application number: 01981017.5

(22) Date of filing: 07.11.2001
(51) International Patent Classification (IPC)7: D21F 3/00, C08G 18/10, C08G 18/65
(86) International application number:
PCT/JP0109/757
(87) International publication number:
WO 0203/8859 (16.05.2002 Gazette 2002/20)
(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: 10.11.2000 JP 2000343712

(71) Applicant: YAMAUCHI CORPORATION
Hirakata Osaka (JP)

(72) Inventors:
  • WATANABE, Atsuo c/o YAMAUCHI CORPORATION
    Hirakata-shi, Osaka 573-1132 (JP)
  • HIKIDA, Takahisa c/o YAMAUCHI CORPORATION
    Hirakata-shi, Osaka 573-1132 (JP)
  • WATANABE, Atsushi c/o YAMAUCHI CORPORATION
    Hirakata-shi, Osaka 573-1132 (JP)

(74) Representative: Hoffmann, Jörg Peter, Dr. Ing. 
Müller Hoffmann & Partner Patentanwälte Innere Wiener Strasse 17
81667 München
81667 München (DE)

   


(54) BELT FOR PAPERMAKING AND PROCESS FOR PRODUCING PAPERMAKING BELT


(57) In a papermaking belt, prevented from cracking and inhibited from growth of a crack, comprising a reinforcing substrate (6) embedded in a thermosetting polyurethane layer (7) so that the said reinforcing substrate (6) and the said thermosetting polyurethane layer (7) are integrated with each other and the outer peripheral surface and the inner peripheral surface of the belt are formed by polyurethane layers, the polyurethane layer forming the outer peripheral surface is made of a composition containing a urethane prepolymer having isocyanate groups on ends and a hardener containing dimethylthiotoluenediamine.