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Traffolyte Traffolyte, sometimes spelled Traffolite, was a brand name for multi-layered phenolic plastic sheets suitable for engraving. Each layer was a different colour so engraved letters or shapes would be a different colour from the unengraved portions. Thus it could be used for name tags, labels and signs. ==History== The material dates back to 1927, when it was first produced by Metropolitan-Vickers Electrical Ltd. at their Trafford Park factory in Manchester, UK for transformer labels. The complete business was sold to De La Rue Insulation Ltd〔http://www.gracesguide.co.uk/wiki/Thomas_De_La_Rue_and_Co〕 in 1945; De La Rue exited this business in the early 1960s. There are a large number of companies manufacturing bi- and tri-layer phenolic engraving stock and it has become a generic term; no record of its having been a registered trademark in the United States or UK has been found.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Traffolyte」の詳細全文を読む
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