Global Patent Index - EP 1051349 A2

EP 1051349 A2 2000-11-15 - ROLLING INSTALLATION WITH MULTIPLE RIDGES

Title (en)

ROLLING INSTALLATION WITH MULTIPLE RIDGES

Title (de)

WALZANLAGE MIT MEHREREN RIPPEN

Title (fr)

INSTALLATION DE CYLINDRES COMPORTANT DE MULTIPLES CANNELURES

Publication

EP 1051349 A2 (EN)

Application

EP 99901245 A

Priority

  • NL 9900039 W
  • NL 1008144 A

Abstract (en)

[origin: WO9937576A2] A rolling installation for making creases in a web of material, such as cardboard, comprising a pair of rotary rollers (1, 2), each of which is mounted at its two ends in bearings and each of which is provided with roll surfaces by means of which the rollers are rollable with respect to one another leaving a gap (7) between the roll surfaces, one of which rollers is provided with at least one ridge and the other of which is provided with at least one groove, and the rollers are synchronised such that at the location of the gap each ridge is opposite a groove. Multiple parallel ridges (11) are provided on the one roller and corresponding multiple parallel grooves (13) are provided on the other roller in order to form multiple parallel creases in the web of material, at the location of which creases a rounded corner can be formed.

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

B67D 1/00

IPC 8 full level (invention and additional information)

B31F 1/10 (2006.01)

CPC (invention and additional information)

B31F 1/10 (2013.01); B31B 1/00 (2013.01); B31B 2201/257 (2013.01); B31B 2241/003 (2013.01)

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

WO 9937576 A2 19990729; WO 9937576 A3 19990930; AU 2078299 A 19990809; CA 2319156 A1 19990729; EP 1051349 A2 20001115; NL 1008144 C2 19990728

INPADOC legal status


2002-08-21 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20020213

2001-01-31 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20001215

2000-11-15 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000726

2000-11-15 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

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