B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/684
B29C 45/14 (2006.01)
Patent
CA 1221213
ABSTRACT OF THE DISCLOSURE An information carrier such as a push-button switch consists of a silicone elastomer. The information carrier has an indication 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 indication surface. The indication surface having the pattern embedded therein constitutes a non-glossy surface havine a predetermined roughness. Also disclosed are a method and apparatus for manufacturing the information carrier by printing the printing ink on the 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 display surface of the information carrier.
467482
Macrae & Co.
Toho-Polymer Kabushiki Kaisha
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