Information carrier, having a roughened surface, method of manuf

Details Information carrier, having a roughened surface, method of manuf Information carrier, having a roughened surface, method of manuf

1984-11-13

1987-04-14

Wright, Jr., Ernest T.

Typewriting machines

Key-board or key lever-actuating mechanism

Key-cap or key-stem structure

400491, 400493, 264132, 264245, 264246, 264247, B41J 512

Patent

active

046574190

ABSTRACT:
An information carrier such as a push-button switch consists of a silicone elastomer. The information carrier has an a label-carrying surface in which there is embedded a printing ink having a vulcanizing mechanism similar to that of the silicone elastomer. The ink and silicone elastomer are vulcanized to form the ink into a pattern on the label-carrying surface. The label-carrying surface having the pattern embedded therein constitutes a non-glossy surface of a predetermined roughness. Also disclosed are a method and apparatus for manufacturing the information carrier by printing the printing ink on a transfer plate, which has a roughness of several microns, followed by half vulcanization to embed a pattern which is manifested by the printing ink into the label-carrying surface of the information carrier.

REFERENCES:
patent: 558872 (1896-04-01), Devine
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patent: 2646379 (1953-07-01), Poschel
patent: 2807564 (1957-09-01), Mitchell
patent: 3072969 (1963-01-01), Du Bois
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patent: 3651191 (1972-03-01), Glatt et al.
patent: 4034140 (1977-07-01), Przybyla
patent: 4039068 (1977-08-01), Giorza et al.
patent: 4500218 (1985-02-01), Nishikawa
IBM Technical Disclosure Bulletin, "One-Use Typewriter Ribbon", Edds et al., vol. 7, No. 6, Nov. 1964, p. 421.

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