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公开(公告)号：EP2301848A4
公开(公告)日：2014-02-26
申请号：EP08753001
申请日：2008-05-20
IPC分类号： B31B50/86 , B65B29/04 , B29C65/00 , B29C65/08 , B29C65/18 , B29L31/00 , B65B9/20 , B65B9/213 , B65B37/10 , B65B51/22 , B65B51/30 , B65B65/00
CPC分类号： B65B29/04 , B29C65/08 , B29C65/18 , B29C66/1122 , B29C66/4312 , B29C66/71 , B29L2031/7122 , B65B9/2056 , B65B9/213 , B65B37/10 , B65B51/225 , B65B51/30 , B29K2023/06 , B29K2023/12
摘要： A method of manufacturing an extraction bag sheet 5 includes: (1) a step of placing and holding tags 2 on a rotary supporting body 10 at predetermined intervals; (2) a threading step of threading a string 3 into a continuous pattern on the circumferential surface of the rotary supporting body 10; (3) a bonding step of bonding the string 3 to the tags 2; (4) a step of supplying a water-permeable filter sheet 4 onto the tags and the string 3 placed on the rotary supporting body 10; (5) a bonding step of bonding the water-permeable filter sheet to the string on the rotary supporting body; and (6) a bonding step of bonding the water-permeable filter sheet to the tags on the rotary supporting body. In the bonding steps of (3), (5), and (6), bonding heads are used which are moved reciprocally and oscillatingly about the center axis of the rotary supporting body 10 and moved vertically relative to the circumferential surface of the rotary supporting body 10 by an oscillation servo motor 66 and a vertical movement servo motor 65. With this configuration, the tags are disposed on the strip-like water-permeable filter sheet at predetermined intervals, and the long string is placed into a specific convolution pattern. The bonding conditions for the tags, string, and water-permeable filter sheet are thereby optimized when the extraction bag sheet is manufactured.
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