发明名称 Tobacco smoke filter production
摘要 A method and apparatus for tobacco smoke filter production wherein a train of tobacco smoke filtering material, while being continuously advanced longitudinally, is gathered towards rod shape and then shaped to and secured in rod form, and wherein there is discontinuous pneumatic injection of particulate additive through an injector conduit laterally into the advancing gathering material to form separate additive pockets embedded in and spaced along the continuously produced rod.
申请公布号 US8083658(B2) 申请公布日期 2011.12.27
申请号 US20050792212 申请日期 2005.12.05
申请人 VELUZ SERGE;LOUVET ALEXIS;FILTRONA INTERNATIONAL LIMITED 发明人 VELUZ SERGE;LOUVET ALEXIS
分类号 B31C99/00;A24D3/02 主分类号 B31C99/00
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