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    • 6. 发明授权
    • Apparatus for manufacture of a plastic bag with standup bottom wall
    • 用于制造具有立式底壁的塑料袋的装置
    • US06254521B1
    • 2001-07-03
    • US09312513
    • 1999-05-14
    • Donald J. PansierTroy D. KonitzerPeter J. ClaybakerMichael P. IretonRobert DematteisGiles R. Blaser
    • Donald J. PansierTroy D. KonitzerPeter J. ClaybakerMichael P. IretonRobert DematteisGiles R. Blaser
    • B31B114
    • B65D33/01B29C65/743B29C66/8511B29L2031/7128B31B50/18B31B50/252B31B70/872B31B70/94B31B70/98B31B2150/00B31B2150/0012B31B2150/003B31B2155/00B31B2160/106B31B2160/20B31F1/08B65D31/08B29C65/00
    • A flat plastic bag is formed from a side gusseted tubular web. The bag is formed with an open end and a opposite spaced end seal. Hinge crease patterns are formed in each of the gusseted portions at the bottom end of the bag. The pattern includes a two ridge upper leg and a three ridge bottom leg which are formed by a cold sealing process. A bag making machine includes a web supply which is passed through a web feed supply section to form the gusseted web. The gusseted web is sent through a forming section. The segment is first formed with the patterns 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 formed stack is passed through a separation unit which removes the cut portions thereby separating the bags for transport to a conveyor. 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.
    • 一个扁平的塑料袋由一个侧面的角撑板形成。 袋子形成有开口端和相对的间隔开的端部密封。 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上腿和三脊底腿。 制袋机包括通过网状物供给部分形成角撑板的网状物供给部。 角撑板通过成形部分发送。 该段首先以紧邻的关系的两个袋的图案形成,并且位于限定相邻袋的端部的公共线的相对侧。 纸幅形成两个袋状部分,折痕位于每个片段末端。 纸幅通过创建密封件的单元,同时切断上游部分。 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,从而保持分隔的袋子之间的堆叠关系。 形成的堆叠通过分离单元,该分离单元去除切割部分,从而将用于运输的袋分离成输送机。 该袋可以在冲头单元处形成通风口。 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褶皱的适当定位,以确保容易打开塑料袋。
    • 9. 发明申请
    • Method of Manufacturing a Bag
    • 制造袋子的方法
    • US20060189468A1
    • 2006-08-24
    • US11278888
    • 2006-04-06
    • Robert DeMatteisDonald Pansier
    • Robert DeMatteisDonald Pansier
    • B31C11/04
    • B65D31/14B65B1/18
    • A bag having an inwardly disposed seam is manufactured from a sheet of plastic bag material having two major surfaces and two parallel side edges. A first seam seals the two parallel side edges together at the same major surface with the side edges disposed inwardly of the tube to form the sheet of plastic bag material into a tube with internal flap portions extending interiorly of the tube. At least one seal across the tube is provided for forming at least a three-sided bag structure (and preferably two seals across the tube for forming a closed four-sided bag structure) whereby presstue in the interior of the bag acts against the internal flap portions disposed inwardly of the tube to enhance the sealing of the seam. The bag is filled at an opening defined along the opposite side edges of the seam facing inwardly of the tube.
    • 具有向内设置的接缝的袋由具有两个主表面和两个平行侧边缘的塑料袋材料制成。 第一接缝将两个平行的侧边缘在相同的主表面上一起密封,其中侧边缘设置在管的内侧,以将塑料袋材料片形成为具有在管内部延伸的内部折翼部分的管。 提供穿过管的至少一个密封件,用于形成至少三边袋结构(并且优选地,跨越管形成两个密封件以形成封闭的四边袋结构),由此在袋的内部预先设置在内侧翼片 设置在管内部的部分以增强接缝的密封。 袋子被填充在沿面向管子内侧的接缝的相对侧边缘限定的开口处。