Backlit button by thermoformed cap process

Details Backlit button by thermoformed cap process Backlit button by thermoformed cap process

1990-03-19

1992-03-24

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

264512, 264513, 264522, 264132, B29C 4514, B29C 5146

Patent

active

050986333

ABSTRACT:
A method is provided for fabricating resin-filled components, which comprise a multi-element arrangement of a thermoformed plastic sheet with a "second-surface" screen-printed graphic, which formed sheet can receive a light-directing apparatus, and the molded-resin is applied so as to secure the apparatus and provide stability to the overall structure or component. The method is particularly adapted with respect to the fabrication of graphic-display illuminated buttons for use within automotive vehicles.

REFERENCES:
patent: 3632252 (1972-01-01), Amberg et al.
patent: 3866660 (1975-02-01), Gill
patent: 3929952 (1975-12-01), Edwards
patent: 4639341 (1987-01-01), Hanamoto et al.

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