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1. 发明申请

WO1993025444A1 CLAMSHELL CARTON HAVING AN IMPROVED LATCHING MECHANISM AND A BUCKLE-PROOF CLAMSHELL CARTON 审中-公开
标题翻译：具有改进的锁紧机构的CLAMSHELL CARTON和一个BUCKLE-PROOF CLAMSHELL CARTON
公开(公告)号：WO1993025444A1
公开(公告)日：1993-12-23
申请号：PCT/US1993005533
申请日：1993-06-10
申请人： PERSECO DIVISION OF THE HAVI GROUP L.P.
发明人： PERSECO DIVISION OF THE HAVI GROUP L.P. , SORENSON, John, F.
IPC分类号： B65D05/66
CPC分类号： B65D5/667
摘要： A paperboard clamshell carton includes a tray and a cover, hingedly connected and latched in the closed position by cooperating latching members. Detents, extending forwardly from adjacent the upper corners of the front wall of the tray, and detent engaging slots and tabs in the cover, located adjacent the lower corners of the front wall of the cover, releasably engage when the cover is folded shut over the tray. The forwardly extending detents are of double thickness, being formed by overlapped extensions of the glue flaps and side walls of the tray. In another aspect of the invention, a clamshell type carton is provided with a cut along the hinge score line connecting the upper cover and lower tray portions. Either a second cut in the back panel of the carton, above or below the hinge score line cut, or a cut-out slot encompassing the hinge score line cut, is utilized to facilitate the easy opening and closing of the carton without buckling occurring in the back panel in the region of the hinge score line. In another aspect of the invention, a clamshell type carton is provided with a cut along the hinge score line connecting the upper cover and lower tray portions. A second cut is placed in the back panel of the carton, above or below the hinge score line cut, wherein the second cut is a continuous curve having a first end point located in the back panel and a second end point intersecting the cut along the hinge score line. The second cut is utilized to facilitate the easy opening and closing of the carton without buckling occurring in the back panel in the region of the hinge score line.
摘要翻译：纸板蛤壳式纸箱包括托盘和盖，通过协作的闩锁构件铰接连接并锁定在关闭位置。从邻近托盘前壁的上角向前延伸的挡板以及邻近盖的前壁的下角的位于盖中的定位接合槽和突出部，当盖折叠在盖上时可释放地接合托盘。正向延伸的棘爪是双重厚度的，由胶片和托盘侧壁的重叠延伸部分形成。在本发明的另一方面，蛤壳型纸箱沿着连接上盖和下托盘部分的铰链刻痕线设有切口。在纸箱的后面板中，在铰链刻痕线切割的上方或下方的第二切口或包围铰链刻痕线切口的切口槽被使用以便于容易地打开和关闭纸箱而不发生弯曲后面板在铰链得分线的区域。在本发明的另一方面，蛤壳型纸箱沿着连接上盖和下托盘部分的铰链刻痕线设有切口。第二切割被放置在纸板箱的后面板中，在铰链刻痕线切割的上方或下方，其中第二切割是具有位于后面板中的第一端点的连续曲线，以及沿着切割线铰链得分线。第二个切割被用于促进纸板箱的容易的打开和关闭，而在铰链刻痕线的区域中的背板中没有发生弯曲。

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