发明名称 Container with vent and blanks for forming same
摘要 A container with a vent arrangement and a blank for forming same has inner and outer trays which are telescoped relative to one another. The venting arrangement includes an inner vent flap on the inner tray and an outer vent flap on the outer tray which are aligned and define apertures in their respective trays. Each vent flap may be selectively opened and closed to control access to the container interior. A locking arrangement is provided on the inner vent flap and on the inner tray for retaining the inner vent flap in an open position in which the inner vent flap holds the outer vent flap in its open position.
申请公布号 US4331235(A) 申请公布日期 1982.05.25
申请号 US19800182965 申请日期 1980.09.02
申请人 CHAMPION INTERNATIONAL CORPORATION 发明人 BRUNDAGE, DAVID J.
分类号 B65D5/42;(IPC1-7):B65D85/50 主分类号 B65D5/42
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