发明名称 Self locking tray and blank for forming same
摘要 A tray is disclosed, along with a planar unitary blank for forming it. The tray is open topped and includes a shelf at its bottom end, which shelf maintains the tray in an open configuration after the tray is erected. Two embodiments are taught, one with vertical sides and another with outwardly sloping sides to allow a plurality of erected trays to be stacked after erection.
申请公布号 US4227640(A) 申请公布日期 1980.10.14
申请号 US19790036742 申请日期 1979.05.07
申请人 CHAMPION INTERNATIONAL CORPORATION 发明人 ROCCAFORTE, HARRY I.
分类号 B65D5/10;(IPC1-7):B65D5/02;B65D5/36 主分类号 B65D5/10
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