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    • 4. 发明授权
    • Corner structure and blank for a tray or tray cover
    • 托盘或托盘盖的角落结构和空白
    • US4795084A
    • 1989-01-03
    • US123601
    • 1987-11-20
    • Andrew F. Hartman
    • Andrew F. Hartman
    • B65D5/24
    • B65D5/248
    • Corner structure for an open tray or tray cover is formed from a unitary blank comprising a rectangular main panel, a first pair of outer side panels foldably joined to a first pair of opposite side edges of the main panel, a first pair of inner side panels foldably joined respectively to the edges of the first pair of outer side panels which are remote from the main panel, a first pair of base flaps foldably joined respectively to the edges of the first pair of inner side panels which are remote from the first pair of outer side panels, a second pair of outer side panels foldably joined respectively to a second pair of opposite side edges of the main panel, a pair of inner side panels foldably joined respectively to the edges of the second pair of outer side panels which are remote from the main panel, a second pair of base flaps foldably joined respectively to the edges of the second pair of inner side panels which are remote from the second pair of outer side panels, a collapsible web at each corner of the main panel and foldably joined to the adjacent end of each one of the first and second pairs of outer side panels, the outer corners of the first pair of inner side panels being configured to define trapezoidal cutaway areas, and a locking tab of trapezoidal configuration adjoined to each end of each base flap.
    • 用于打开的托盘或托盘盖的角部结构由包括矩形主面板的一体坯料形成,第一对外侧面板可折叠地连接到主面板的第一对相对侧边缘,第一对内侧面板 可折叠地分别连接到远离主面板的第一对外侧面板的边缘;分别折叠地连接到第一对内侧面板的远离第一对外侧面板的边缘的第一对底板 外侧面板,分别折叠地连接到主面板的第二对相对侧边缘的第二对外侧面板,分别可折叠地连接到第二对外侧面板的边缘的一对内侧面板,其是远程的 从所述主面板开始,第二对底板折叠地分别连接到第二对内侧面板的远离第二对外侧面板的边缘,可折叠的w eb在主面板的每个角部并且可折叠地连接到第一和第二对外侧面板中的每一个的相邻端部,第一对内侧面板的外角被构造成限定梯形切除区域,并且 与每个底片的每个端部相邻的梯形配置的锁定片。