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1. 发明授权

US4832677A Method and apparatus for producing draw tape bags 失效
标题翻译：拉带袋生产方法及装置
公开(公告)号：US4832677A
公开(公告)日：1989-05-23
申请号：US47677
申请日：1987-05-08
申请人： Mark Hudgens , James R. Johnson
发明人： Mark Hudgens , James R. Johnson
IPC分类号： B26D3/14 , B31B19/14 , B31B19/90
CPC分类号： B26D3/14 , B31B2219/14 , B31B2219/6038 , B31B2219/6069 , B31B2219/9029 , B31B2219/9035 , Y10S493/928 , Y10S83/917 , Y10T83/6582 , Y10T83/6606 , Y10T83/9391
摘要： A method and apparatus for forming draw tape bags wherein the bag material moves continuously during the manufacture, except for the last step. The apparatus may be used with an in-line system wherein a tube is extruded and a side gusset is formed to create a hem; or the apparatus may be used with an off-line system wherein folded bag material is used, and a continuous hemmer is provided to turn the loose edges. In the off-line system a constant tension dancer precedes the hemmer to maintain constant tension on the web regardless of the size of the supply roll. The web continues to move, and a cutter is actuated to move through a circle and engage the web to punch finger holes in the hem. A reel of a strip of material is continuously fed, the strip being slit longitudinally to provide the draw tapes which are inserted into the hems. A tape guide tensions the tape and assures that the tape is well within the hem, the hems are sealed, and the bags are side welded.
摘要翻译：一种用于形成牵引带袋的方法和装置，其中除了最后一步之外，袋材料在制造期间连续移动。该设备可以与管线系统一起使用，其中挤出管并且形成侧部角撑板以产生下摆; 或者该设备可以与其中使用折叠的袋子材料的离线系统一起使用，并且设置连续的半成品以转动松散的边缘。在离线系统中，恒定的张力调节器位于半固体之前，以保持卷材上的恒定的张力，而不管供应辊的尺寸如何。纸幅继续移动，并且切割器被致动以移动通过圆圈并且接合纸幅以在下摆中打孔指孔。一条材料条被连续地送入，条带被纵向地切开，以便提供插入到母线中的拉带。磁带引导件使胶带张紧，并确保胶带位于下摆内，胶片被密封，并且袋子是侧面焊接的。

2. 发明授权

US4664649A Method and apparatus for producing drawstring bags 失效
标题翻译：生产束带袋的方法和装置
公开(公告)号：US4664649A
公开(公告)日：1987-05-12
申请号：US829808
申请日：1986-02-14
申请人： James R. Johnson , Mark Hudgens
发明人： James R. Johnson , Mark Hudgens
IPC分类号： B31B19/90 , F16H7/20
CPC分类号： B31B19/00 , B31B2219/9029 , B31B2219/9035 , Y10S83/917
摘要： A method and apparatus for forming draw tape bags wherein the bag material moves continuously during the manufacture, except for the last step. A roll of folded web is provided, and the loose edges are turned inwardly to form upper hems for the bags. The web continues to move, and a cutter is actuated to move through a circle and engage the web to punch finger holes in the hem. The web is further carried to a tandem sealer, the web passing over a roll where heated air is directed at the area of the hem. A "Teflon" strip is placed between the hems to prevent sealing them together. The web continues to a second sealing roll where the opposite side is sealed in the same way. The final step utilizes a stop-start apparatus with a side sealing blade. The side sealing blade has one radius for the body of the bag, and a larger radius for the hemmed area.
摘要翻译：一种用于形成牵引带袋的方法和装置，其中除了最后一步之外，袋材料在制造期间连续移动。提供一卷折叠的网状物，并且松散的边缘向内转动以形成用于袋子的上束。纸幅继续移动，并且切割器被致动以移动通过圆圈并且接合纸幅以在下摆中打孔指孔。纸幅进一步传送到串联封口机，纸幅通过辊，其中加热的空气被引导到下摆的区域。将“特氟纶”条置于折叠之间，以防止将它们密封在一起。纸幅继续到第二密封辊，其中相对侧以相同的方式被密封。最后一步采用具有侧面密封刀片的停止启动装置。侧密封刀片具有用于袋体的一个半径，并且用于卷边区域的较大半径。

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