There are generally two ways to seal the bottle cap. One is the compression seal with elastic material between the two, commonly known as the bottle cap gasket. Excellent seamless sealing, the sealing rate is 99.99%. The design principle is to pad a ring-shaped special elastomer material at the junction of the bottle port and the inner bottom of the bottle cap. At that time, it was widely used on packaging with internal pressure, and this method was only needed for those with internal pressure, such as Coca-Cola, Sprite and other carbonated sodas.
Another sealing method for bottle caps is cork sealing. What is a cork seal? Friends may easily think of the phenomenon that we took a conical cork to stop a glass bottle of soy sauce a long time ago, right? Yes, the cork seal is to seal it by plugging it. The designer designed the bottle cap as a stopper based on this principle, and added a ring to the inner bottom of the bottle cap.
It constitutes the effect of plugging. Faced with a wide variety of beverages and various wine, cosmetics, and perfume bottle caps on the market, their packaging has already become a bright spot that attracts our attention. The exquisite design and special bottle shape add a lot to them. Perhaps you have never noticed that the bottle cap, as a small part of the packaging, is also crucial to ensuring product quality and describing product characteristics.
As a part of the packaging, the bottle cap has two main functions: one is sealing, which protects the wine and perfume, which is the basic function of the bottle cap, and it is also easy for bottle cap manufacturers to do; As an integral part of packaging, tiny caps can be self-defeating. At that time, some manufacturers put too much emphasis on the anti-counterfeiting effect and its close technical content when choosing bottle caps. However, it is not the product itself that determines the effect, but the laws and regulations of the country and consumers' self-protection awareness.
In recent years, the anti-counterfeiting of perfume and wine products has been paid more and more attention by bottle cap manufacturers. As a part of packaging, the anti-counterfeiting function and production methods of bottle caps are also developing towards diversification and modernization. Open type, twist-off type, singing, talking, and multiple anti-counterfeiting bottle caps are widely used by manufacturers. Although the functions of anti-counterfeiting bottle caps are constantly changing, there are two main types of materials used, namely aluminum and plastic.
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