Vacuum coaters and methods of operating a vacuum c

专利名称：Vacuum coaters and methods of operating a

vacuum coater

发明人：Copeland, Nicholas,Mitchell, Andrew申请号：EP14200245.0申请日：20141223公开号：EP2889396A1公开日：20150701

专利附图：

摘要：A vacuum coater (2) for coating a polymeric web (5) with metal or metal oxidecomprises an unwind region, which when the coater is in use, carries an unwind reel ofpolymeric web, said unwind region incorporating a number of pre-drum rollers (301-303);

a deposition region comprising an evaporator (13) and a drum (6); said polymeric webextending, when the coater is in use, about at least part of the circumference of saiddrum whilst evaporated metal or metal oxide is deposited onto the polymeric web'ssurface; and a rewind region, which when the coater is in use, carries a rewound reel ofcoated polymeric web; said coated polymeric web having, post-deposition, on one side anuncoated surface and on the other side a coated surface of metal or metal oxide; whereinsaid unwind and rewind regio ns are segregated from said deposition region and anumber of post-drum rollers (8-10) are provided to support the coated web betweensaid drum and said rewind reel (10A); each one of said post-drum rollers being solely incontact with the uncoated polymeric surface of the metallised or metal oxide coatedweb.

申请人：Bobst Manchester Limited

地址：Pennine Business Park Pilsworth Road Heywood, Lancashire OL10 2TL GB

国籍：GB

代理机构：ip21 Ltd

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