B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/111
B29C 35/08 (2006.01) B41C 3/06 (2006.01)
Patent
CA 1311592
Abstract The impressions are produced using an original plate by the following steps: a) a plastic plate made of deformable mate- rial is prepared, b) the said plate is placed in an adjusted position corresponding to the location of the first impression to be produced, between an original engraved plate and a high-frequency electrode , c) the first impression is produced on the plastic plate by compressing the latter and subject- ing it simultaneously, for a given period of time, to high-frequency heating by means of an electrode , d) the plastic plate is then cooled, e) the original plate and the electrode are separated from the plastic plate and relative dis- placement is effected between, on the one hand, the plastic plate and, on the other hand, the original plate and the electrode successively in the other adjusted positions corresponding to the other impressions to be produced and, in each position, the steps c) and d) are repeated in order to reproduce the next impression.
591663
de La Rue Giori S.a.
Marks & Clerk
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