Reverse gravure offset printing method and apparatus using disposable cliche
AssigneeKorea Institute of Machinery & Materials
InventorsIn Young Kim, Taik Min Lee, Jeong Dai Jo, Dong-Soo Kim
Life of this patent
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Abstract
Disclosed are a reverse gravure offset printing method and apparatus using a disposable cliche, which do not require cleaning of the cliche and do not require a large quantity of high-definition cliches because the cliche used in reverse gravure offset printing can be discarded after used once or several times and replaced with a new one, thereby achieving cost reduction.
Claims3
A reverse gravure offset printing apparatus using a disposable cliche, which peels off an unnecessary pattern on a roller by using the disposable cliche and sets only a necessary pattern on a substrate, the apparatus comprising:
- a cliche supply device supplying the disposable cliché to the reverse gravure offset printing apparatus and comprising an unwinder disposed on one side of the reverse gravure offset printing apparatus and unwinding a web on which the disposable cliche is printed, a rewinder disposed on the opposite side of the unwinder and passing the web through the reverse gravure offset printing apparatus to wind the same, and an imprinting device disposed between the unwinder and the reverse gravure offset printing apparatus and causing the disposable cliche to be printed on the web,
- wherein the disposable cliche supplied by the cliche supply device is used to peel off the unnecessary pattern from the roller and then the disposable cliché is discharged, and
- wherein, the imprinting device comprises a convex-concave roller forming the shape of the disposable cliche by pressing one side of the web and a pressure roller disposed on the opposite side of the web,
- the web extends across a moving direction of the roller,
- the web is made of thermoplastic resin, and
- the convex-concave roller is provided with heating means for heating the web.
Dependencies are inferred from the claim text.