Global Patent Index - EP 1033241 A1

EP 1033241 A1 2000-09-06 - Rigid corrugated cardboard

Title (en)

Rigid corrugated cardboard

Title (de)

Steife Wellpappe

Title (fr)

Carton ondulé rigide

Publication

EP 1033241 A1 (FR)

Application

EP 00400589 A

Priority

FR 9902682 A

Abstract (en)

Fluted sheet is assembled with first covering sheet to form lap. Second covering sheet is placed on side of lap. Desired profile is given to lap and second covering sheet by moving them along desired core. Core has circular or rectangular cross-section. An Independent claim is also included for the description of machine to manufacture corrugated cardboard.

Abstract (fr)

Procédé de fabrication d'un carton ondulé rigide, dans lequel on forme en continu une feuille cannelée à cannelures longitudinales, on assemble la feuille cannelée et au moins une première feuille de couverture formant ainsi une nappe, on amène au moins une deuxième feuille de couverture d'un côté de la nappe, et on confère à la nappe et à la deuxième feuille de couverture un profil désiré au moyen d'une forme le long de laquelle la dite nappe et la dite deuxième feuille de couverture sont déplacées. <IMAGE>

IPC 1-7 (main, further and additional classification)

B31F 1/22

IPC 8 full level (invention and additional information)

B31F 1/22 (2006.01)

CPC (invention and additional information)

B31F 1/22 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1033241 A1 20000906; FR 2790420 A1 20000908; FR 2790420 B1 20010525

INPADOC legal status


2002-03-14 [REG DE 8566] DESIGNATED COUNTRY DE NOT LONGER VALID

2002-01-30 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20010307

2001-05-23 [AKX] PAYMENT OF DESIGNATION FEES

2000-09-06 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-09-06 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI