B - Operations – Transporting – 65 – C
Patent
B - Operations, Transporting
65
C
B65C 9/18 (2006.01) B41F 11/00 (2006.01) B41F 13/00 (2006.01) B41M 3/00 (2006.01) B65C 1/02 (2006.01) G03F 7/00 (2006.01)
Patent
CA 2485778
According to this method, a supply strip (bm) is entrained at a constant speed which is the same as that of the substrate in strip form (c) during the transfer of each pattern and according to a speed profile which is determined between two transfers of the said patterns, there is determination of the speed profile by measuring the time which elapses between the passages of two homologous references (m1) of two successive groups of areas specific to the patterns to be deposited, from this time there are deduced the times of displacements of the said supply strip (bm) during the transfers of the said two patterns, there is calculation of the length between the said respective adjacent patterns (H i, F i, G i) on the said supply strip (bm), and the length is compared with the length of the displacement between the respective locations of the two same successive patterns on the said substrate (c), in order to make the transfer of the said patterns coincide with their respective locations on the said substrate (c).
Bobst S.a.
Smart & Biggar
LandOfFree
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