EP 2838732 A4 20160302 - A METHOD AND AN APPARATUS FOR PRODUCING MARKINGS ON A MOVING WEB
Title (en)
A METHOD AND AN APPARATUS FOR PRODUCING MARKINGS ON A MOVING WEB
Title (de)
VERFAHREN UND VORRICHTUNG ZUR ERZEUGUNG VON MARKIERUNGEN AUF EINER BEWEGLICHEN BAHN
Title (fr)
PROCÉDÉ ET APPAREIL DE PRODUCTION DE MARQUAGES SUR UNE TOILE MOBILE
Publication
Application
Priority
FI 2012050393 W 20120420
Abstract (en)
[origin: WO2013156664A1] A method for producing markings (MRK1 ) on a moving web (WEB1 ) comprises: - moving the web (WEB1 ) in a longitudinal direction (SX), - delivering laser light (LB2) to a moving aiming point (SP2) by using a first beam steering body (100) and a second beam steering body (200) such that the position (x(t),y(t)) of the aiming point (SP2) depends on the angular orientation (a) of the first body (100) and on the angular orientation (beta) of the second body (200), - rotating the second body (200) from a first angular orientation (beta1 ) to a second angular orientation (beta2), the rotation from the first angular orientation (beta1 ) to the second angular orientation (beta2) defining a writing period (TA), wherein the rotation of the second body (200) during the writing period (TA) moves the aiming point (SP2) such that the average longitudinal velocity component (vx2) of the aiming point (SP2) is in the range of 50 to 150% of the velocity (v^ of the web (WEB1 ), - rotating the first body (100) such that the aiming point (SP2) crosses a longitudinal reference line (YREF) a plurality of times during the writing period (TA), and - controlling the intensity of the laser light (LB2) according to the angular orientation (a) of the first body (100) and according to the orientation (beta) of the second body (200).
IPC 8 full level
B23K 26/08 (2006.01); B41J 2/44 (2006.01)
CPC (source: EP)
B23K 26/0821 (2015.10); B23K 26/0846 (2013.01); B41J 2/471 (2013.01); G02B 26/12 (2013.01)
Citation (search report)
- [XYI] JP 2009154200 A 20090716 - SUNX LTD
- [YA] DE 102004028066 A1 20060105 - SATOR LASER GMBH [DE]
- [A] JP 2006326644 A 20061207 - SUNX LTD
- [A] JP S6040682 A 19850304 - TOSHIBA KK
- [Y] DE 102010028469 A1 20111103 - ROFIN BAASEL LASERTECH GMBH & CO KG [DE]
- See references of WO 2013156664A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2013156664 A1 20131024; CN 104245332 A 20141224; CN 104245332 B 20161228; EP 2838732 A1 20150225; EP 2838732 A4 20160302
DOCDB simple family (application)
FI 2012050393 W 20120420; CN 201280072518 A 20120420; EP 12874502 A 20120420