Method of producing marking on a surface by means of laser radia

Details Method of producing marking on a surface by means of laser radia Method of producing marking on a surface by means of laser radia

1992-10-14

1999-11-16

Mayes, Curtis

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156235, 156237, 1562728, B32B 3128

Patent

active

059850787

ABSTRACT:
In a method of producing marking or the like on a surface by means of laser radiation, at least two layers of lacquer of different colors are successively applied to the surface and at least the outer layer which is towards the viewer of the surface is removed by laser radiation in a region-wise manner to expose the second layer therebeneath, thereby producing the marking on the surface. At least the outer layer is applied by a transfer operation from a carrier material, in order thereby to produce a uniform thickness for that layer and thus a highly uniform laser-engraving effect. Also described is the use of embossing foils and more especially hot embossing foils of a particular configuration in such a method.

REFERENCES:
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patent: 4027345 (1977-06-01), Fujisawa et al.
patent: 4732410 (1988-03-01), Holbein et al.
patent: 4808966 (1989-02-01), Ferlier et al.
patent: 4968526 (1990-11-01), Takii et al.
Article in "Coating"--Nov., 1990, pp. 421 to 426; author--von R. Sussmann

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