System for permeation printing a plastic body

Details System for permeation printing a plastic body System for permeation printing a plastic body

1990-09-12

1991-11-19

Crowder, Clifford D.

Printing

Special article machines

Bed and platen

101163, 8471, B41F 1700

Patent

active

050656740

ABSTRACT:
A plastic article such as key tops of a key board needs wear resistant printing. This is attained in a styrene-based resin body suitable for such an article including key tops, by a process for permeation printing, comprising the steps of printing an article with an ink comprising a medium having a solubility parameter of 8.5 to 11.5 (cal/cc).sup.1/2 and then covering the printed surface of the article to permeate the ink into the article. Further, a system suitable for permeation printing a plastic article is provided which comprises a transfer-type printing device and a body heating and covering device, the body heating and covering device comprising a covering body which is heated and covers the printed surface of the plastic article to cause ink to permeate into the plastic article.

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Polymer Handbook, 2nd Ed., Brandrup et al., J. Wiley & Son, NY, N.Y. 1975 pages in section IV.

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