Method of making medallion-like articles and lenses

Details Method of making medallion-like articles and lenses Method of making medallion-like articles and lenses

1977-03-16

1978-05-02

Hoag, Willard E.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

264 1, 427 54, 264 22, B29C 700, B29D 900

Patent

active

040875709

ABSTRACT:
Method of making medallion-like articles for jewelry, decorative ornamentation and product identification, instrument panel light lenses and methods and apparatus for manufacturing same are disclosed. A medallion-like article for decoration or identification is formed by applying an uncured radiation curable polymer to an indicia bearing surface in a quantity sufficient to form a convex upper surface by means of its surface tension and then irradiating the polymer to effect its cure. Use of a flexible substrate, such as a vinyl or polyester film, upon which embossed indicia are formed, provides a flexible medallion which may be adhesively bonded to a contoured, non-planar surface. Upward curling of the medallion during cure is prevented by supporting the medallion on a water cooled platen during irradiation. A flexible, transparent lamp lense having a convex frontal surface is also formed by the ultraviolet cured photopolymer which is adhesively bonded adjacent to the lamp to form its lense.

REFERENCES:
patent: 2379218 (1945-06-01), Dial et al.
patent: 2500728 (1950-03-01), Williams
patent: 3420761 (1961-01-01), Feibush
patent: 3619259 (1971-11-01), Wright
patent: 3679461 (1972-07-01), Maylotte

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