Flash thermal transfer method and flash thermal transfer apparat

Coating processes – Direct application of electrical – magnetic – wave – or... – Electromagnetic or particulate radiation utilized

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Details

427557, 427282, 156230, 1562722, 1562728, 430200, 430254, B05D 306, B44C 1165, B32B 3100, H01M 604

Patent

active

053287274

ABSTRACT:
An image formed by an arbitrary method, can be reproduced on an object (to which image transfer is performed) having a three-dimensional arcuated surface, e.g., a cylindrical object. An original plate sheet is prepared by forming an image on a transparent sheet by using an ink containing carbon. A transfer ink sheet having a hot-melt ink layer formed on its one surface and a reflecting layer formed on its other surface is placed on an object to which image transfer is performed. A cushion member having transparency is placed on the transfer ink sheet, and a transparent plate is stacked on the cushion member. When the transparent plate is urged against the object side, the cushion member is compressed. As a result, the original plate sheet is deformed along the outer surface shape of the object and is brought into tight contact therewith. A flash lamp is turned on in this state. An image portion absorbs infrared rays emitted from the flash to generate heat. Light radiated on portions other than the image portion is reflected by the reflecting layer. For this reason, only a portion of the hot-melt ink layer corresponding to the image portion is melted and is transferred onto the object. The image on the original plate sheet can be also formed in this manner.

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