发明名称 Fastening device for pourer plugs
摘要 A pourer plug assembly for a container, wherein a metal cover is fixed to the upper end of the container and defines a central opening therethrough. A flexible pourer plug is secured to the cover for closing the opening. The flexible pourer plug has a base ring which is positioned within the opening and is provided with an annular rim disposed therearound and projecting radially outwardly thereof. The cover, in surrounding relationship to the central opening, has a fastening flange which defines an inwardly opening groove in which is accommodated the fastening rim. The fastening flange has an upper inner edge which projects downwardly into a narrow ring-shaped slot which opens downwardly of the plug between the base ring and the rim.
申请公布号 US4573615(A) 申请公布日期 1986.03.04
申请号 US19840569580 申请日期 1984.01.10
申请人 MARTI, JUAN P. 发明人 MARTI, JUAN P.
分类号 B65D25/42;B65D47/06;(IPC1-7):B65D5/72 主分类号 B65D25/42
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