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1. 发明授权

US06263882B1 Method of and apparatus for making filter mouthpieces for rod-shaped articles of the tobacco processing industry 失效
标题翻译：制造烟草加工业棒状物品过滤嘴的方法和装置
公开(公告)号：US06263882B1
公开(公告)日：2001-07-24
申请号：US09267385
申请日：1999-03-15
申请人： Firdausia Chehab , Stefan Fietkau , Franz-Peter Arnold
发明人： Firdausia Chehab , Stefan Fietkau , Franz-Peter Arnold
IPC分类号： A24C518
CPC分类号： A24D3/0204
摘要： A tow of filamentary filter material for tobacco smoke which is to be converted into a rod-like filler of a filter rod is conveyed along an elongated path first through a stretching or tensioning zone where the filaments are stretched and the tow is converted into a relatively wide flat web, thereupon along a relaxing portion of the path wherein the tensioning action upon the filaments is reduced, thereupon along a third portion wherein at least one side of the running web is contacted by droplets of an atomized plasticizer, and thereafter along a fourth portion of the path wherein the web is gathered by reducing its width so that it more closely resembles a rod which is thereupon draped into a web of cigarette paper or other suitable wrapping material. A wind tunnel surrounds at least one portion of the path to confine at least one stream of air which is caused to flow in the direction of advancement of the tow. A tunnel can surround the stretching zone, the relaxing and/or the fourth portion of the path.
摘要翻译：用于烟草烟丝的丝状过滤材料丝束将被转换成过滤棒的棒状填料，沿着细长的路径首先通过拉伸或拉伸区域被拉伸，并且将丝束转变成相对沿着路径的松弛部分，其中对细丝的张紧作用减小，随后沿着第三部分，其中运行幅材的至少一侧与雾化增塑剂的液滴接触，然后沿着第四部分路径的一部分，其中纤维网通过减小其宽度而聚集，使得其更接近于与其一起卷成卷烟纸或其它合适的包裹材料的纤维网的杆。风洞围绕路径的至少一部分，以限制沿着丝束前进方向流动的至少一个空气流。隧道可以围绕拉伸区域，路径的松弛和/或第四部分。

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