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1. 发明申请

WO0059784A8 TEAR-OFF CUSHIONS OF LOOSE FILL PACKING MATERIAL, AND MACHINE AND METHOD FOR MAKING THE SAME 审中-公开
标题翻译：松紧填料包装材料的密封垫片及其制造方法
公开(公告)号：WO0059784A8
公开(公告)日：2001-02-01
申请号：PCT/US0009650
申请日：2000-04-07
申请人： FREE FLOW PACKAGING INT INC
发明人： FUSS GUNTER G , YAMPOLSKY VLADIMIR
IPC分类号： B65B9/15 , B65D81/05 , B65B9/20 , B65B23/00 , B65D81/03
CPC分类号： B65D81/051 , B65B9/15 , Y10T428/15 , Y10T428/233 , Y10T428/234 , Y10T428/237 , Y10T428/239 , Y10T428/24661
摘要： String of packing cushions (73) formed by two superposed layers of flexible plastic film sealed together along transversely extending lines to form a series of closed chambers, loose fill packing material (69) in the chambers (74), and perforations (75) in the film between the chambers defining tear lines by which the cushions can be separated. In certain disclosed embodiments, the string of cushions is made by positioning an elongated length of flexible plastic tubing (24) about a chute (22, 23), drawing a section of the tubing from the chute (33), introducing loose fill packing material through the chute into the section of the tubing which has been drawn from the chute, sealing the walls of the tubing together along transversely extending seal lines above the loose fill packing material to close the section and form a cushion (49, 51), perforating the tubing along a transversely extending tear line above the cushion (61), and repeating the process to form succesive cushions separated by tear lines.
摘要翻译：由沿着横向延伸的线密封在一起的两层柔性塑料膜形成的包装衬垫（73）的串形成一系列封闭的腔室，腔室（74）中的松散填充填料（69）和穿孔（75）两个室之间的薄膜限定了可以分离衬垫的撕裂线。在某些公开的实施例中，通过将细长的柔性塑料管（24）定位在滑槽（22,23）周围，从滑槽（33）中抽出管道的一部分，引入松散的填充填料通过滑槽进入已经从斜槽抽出的管道的部分，将密封管壁的壁沿着松散填充包装材料上方的横向延伸的密封线密封，以封闭该部分并形成衬垫（49,51），穿孔沿着衬垫（61）上方的横向延伸的撕裂线的管道，并且重复该过程以形成由撕裂线分开的连续缓冲垫。

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