The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 25, 1990
Filed:
Mar. 28, 1988
Denki Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
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 closing 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 permeate into the plastic article.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile