Global Patent Index - EP 0982104 A2

EP 0982104 A2 2000-03-01 - Method and apparatus for moving the circular cutter of a machine for cutting logs of paper and the like

Title (en)

Method and apparatus for moving the circular cutter of a machine for cutting logs of paper and the like

Title (de)

Verfahren sowie Vorrichtung zum Bewegen des Kreismessers einer Maschine zum Schneiden von Papierrollen oder dengleichen

Title (fr)

Méthode ainsi que dispositif pour déplacer le couteau circulaire d'une machine pour la coupe de rouleaux de papier ou d'objets similaires

Publication

EP 0982104 A2 (EN)

Application

EP 98830510 A

Priority

EP 98830510 A

Abstract (en)

A transversal cutting machine of logs of paper and the like comprises a saw (3) arranged pivotally on a support (12), and a drive apparatus for driving the support (12) that lowers cyclically the saw (3) onto the logs (2) cutting them off into portions. The drive apparatus is pivoted at two distinct points (12a, 12b) of the support (12) whereby the saw (3) follows a composite orbit obtained combining two distinct driving movements given to these points (12a, 12b). The drive apparatus comprises a drive shaft (10), a first rocking arm (14) having ends pivoted respectively at a first point (12a) of the support (12) and at a first eccentric point (10a) of the drive shaft (10), and a crank mechanism (15) comprising a crank (17) pivoted at a second point (12b) of the support (12) and a second rocking arm (16) pivoted at a second eccentric point (10b) of the drive shaft (10). The first rocking arm (14) is made of at least two parts (14a, 14b) which can slide or be locked with respect to each other in a motorised way. The crank (17) is formed by two interchangeable levers (17a, 17b) bent with respect to each other. The machine is improved both effectiveness of the cut and under possibility of adjustment of the orbit of the saw after sharpening. <IMAGE>

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

B26D 1/16; B26D 7/26

IPC 8 full level (invention and additional information)

B26D 1/16 (2006.01); B26D 3/16 (2006.01)

CPC (invention and additional information)

B26D 3/16 (2013.01); B26D 1/16 (2013.01)

Designated contracting state (EPC)

DE ES FR GB IT

EPO simple patent family

EP 0982104 A2 20000301; EP 0982104 A3 20000315; EP 0982104 B1 20030521; DE 69814853 D1 20030626; DE 69814853 T2 20040506

INPADOC legal status


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2004-05-12 [26N] NO OPPOSITION FILED

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2003-06-26 [REF] CORRESPONDS TO:

- Document: DE 69814853 P 20030626

2003-05-21 [AK] DESIGNATED CONTRACTING STATES:

- Designated State(s): DE ES FR GB IT

2003-05-21 [REG GB FG4D] EUROPEAN PATENT GRANTED

2002-02-27 [17Q] FIRST EXAMINATION REPORT

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2000-04-12 [RTI1] TITLE (CORRECTION)

- Free text: METHOD AND APPARATUS FOR MOVING THE CIRCULAR CUTTER OF A MACHINE FOR CUTTING LOGS OF PAPER AND THE LIKE

2000-03-22 [RTI1] TITLE (CORRECTION)

- Free text: METHOD AND APPARATUS FOR MOVING THE CIRCULAR CUTTER OF A MACHINE FOR CUTTING LOGS OF PAPER AND THE LIKE

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