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    • 6. 发明授权
    • Method of manufacturing a flat bottom pouch
    • 制造平底袋的方法
    • US09475248B1
    • 2016-10-25
    • US14885172
    • 2015-10-16
    • James Russell
    • James Russell
    • B31B1/88B65D75/00B31B1/90B31B37/00
    • B31B1/88B31B70/00B31B70/88B31B2155/00B31B2155/0014B31B2160/20B65D75/008
    • A method of manufacturing a flat bottom pouch from a single continuous sheet of webbing comprises unwinding the continuous sheet of webbing and forming an outwardly extending transverse lap seam. The unwound webbing is asymmetrically folded to form a folded sheet defining front and back panels. The folded sheet defines a first section and a second section having a folded edge therebetween, wherein the first section includes a first distal edge, and wherein the second section includes a second distal edge. The folded edge is pushed between the first and second sections to form a first side gusseted panel. A portion of the second section is folded between the first and second sections to form a second side gusseted panel. A transverse end seal is formed proximate the lap seam thereby defining a bottom gusseted panel and the first edge is sealed to the second edge to complete the pouch.
    • 从单个连续的织带片材制造平底袋的方法包括松开连续的织带片并形成向外延伸的横向搭接缝。 展开的织带不对称地折叠以形成限定前面板和后面板的折叠片。 折叠片材限定第一部分和第二部分,其间具有折叠的边缘,其中第一部分包括第一远侧边缘,并且其中第二部分包括第二远端边缘。 折叠的边缘被推在第一和第二部分之间以形成第一侧面角撑板。 第二部分的一部分在第一和第二部分之间折叠以形成第二侧面角撑板。 横向端部密封件靠近搭接接缝形成,由此限定了底部角撑板,并且第一边缘被密封到第二边缘以完成小袋。