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2. 发明授权

EP1181146B1 PLASTIC BAG WITH STANDUP BOTTOM WALL AND APPARATUS FOR MANUFACTURE OF SAME 有权
标题翻译： KUNSTSTOFFTASCHE MITSELBSTÄNDIGSTEHENDER BODENWAND UND VORRICHTUNG ZU DESSEN HERSTELLUNG
公开(公告)号：EP1181146B1
公开(公告)日：2004-11-24
申请号：EP00930737.2
申请日：2000-05-15
申请人： Amplas, Inc.
发明人： PANSIER, Donald, J. , KONITZER, Troy, D. , CLAYBAKER, Peter, J. , IRETON, Michael, P. , DEMATTEIS, Robert , BLASER, Giles, R.
IPC分类号： B29C65/00
CPC分类号： B65D33/01 , B29C65/743 , B29C66/8511 , B29L2031/7128 , B31B50/18 , B31B50/252 , B31B70/872 , B31B70/94 , B31B70/98 , B31B2150/00 , B31B2150/0012 , B31B2150/003 , B31B2155/00 , B31B2160/106 , B31B2160/20 , B31F1/08 , B65D31/08 , B29C65/00
摘要： The bag is formed with an open end and a opposite spaced end seal. Hinge crease patterns (6, 6a) are formed in each of the gusseted portions at the bottom end of the bag. A web supply is passed through a web feed supply section to form a gusseted web. The gusseted web is sent through a forming section. The segment is first formed with the pattern of two bags in immediately adjacent relationship and located to the opposite sides of a common line defining the end of the adjacent bags. The web is formed into two bag segments with the creases located at each of the segment ends. The web is passed through a unit creating the seal and simultaneously severing the upstream segment. The segments are stacked on a table with each stack sequentially transferred to a punch unit which severs the center portion of the segment to define open bag ends adjacent each other with interconnections to maintain the stack relationship between the separated bags. The bag may be formed with ventilation openings at the punch unit. The crease pattern with the bottom portion includes a plurality of creases to ensure the proper location of at least one crease within the gusseted portion to ensure easy opening of the plastic bag.
摘要翻译：一个扁平的塑料袋由一个侧面的角撑板形成。该袋形成有开口端和相对间隔的端部密封。在袋的底端的每个角撑部分中形成有铰链折痕图案。该图案包括通过冷封工艺形成的两脊大腿和三脊底腿。制袋机包括通过网供料部分形成角撑板的网供料。角撑板通过成型部分送出。该段首先形成有紧密相邻关系的两个袋的图案，并且位于限定相邻袋的端部的公共线的相对侧。纤维网形成两个袋状部分，折痕位于每个片段末端。纸幅通过创建密封件并同时切断上游部件的单元。这些段被堆叠在桌子上，每个堆叠依次传送到冲压单元，该冲头单元切断该段的中心部分，以限定彼此相邻的敞开的袋子端部，以便互相连接以保持分离的袋子之间的堆叠关系。形成的堆叠通过分离单元，其移除切割部分，从而将用于运输的袋分离成输送机。袋子可以在打孔单元处形成通风口。具有底部的折痕图案包括多个折痕，以确保在角撑部分内的至少一个折痕的适当定位，以确保容易打开塑料袋。

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