Antifalse backward flow preventing composite lid

The utility model relates to an anti-counterfeiting and backward flow preventing composite lid, which is composed of an inner cap 6 and an outlay aluminium cap 2. The utility model is characterized in that the built-in inner cap 6 is composed of an inner plug 3, a glass ball 4 arranged in the inner...

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Bibliographische Detailangaben
1. Verfasser: RENXIAN GUO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The utility model relates to an anti-counterfeiting and backward flow preventing composite lid, which is composed of an inner cap 6 and an outlay aluminium cap 2. The utility model is characterized in that the built-in inner cap 6 is composed of an inner plug 3, a glass ball 4 arranged in the inner plug 3, a sealing plug 5, and an upper cap 1, wherein the upper cap 1 is clamped on the top end of the outlay aluminium cover 2 and a notch line with a plurality of connecting points is arranged on the outlay aluminium cap 2.