In the food and beverage field with abundant products, bottle caps are a product that is easily overlooked by us. But a small bottle cap has a huge market!
According to the Market Research Future report, it is estimated that between 2022 and 2030, the global closure and bottle cap market size will reach approximately US$91.7189 billion by 2030[21].
Regardless of the small size of the bottle cap, it plays an important role in food and beverages. It not only makes the product easier to carry and avoids direct contact with the outside air, but also acts as a "delicious guardian" in the field of "happy water"-let Carbon dioxide has nowhere to escape!
So, do you really know the familiar bottle cap? What types of bottle caps are there? What innovative bottle caps can bring more possibilities to food and beverage? What kind of tricks has the brand played on the small bottle cap?
1. The definition of bottle cap
Function Essentially, what is commonly referred to as a bottle cap is a product sealing solution. International manufacturers use Closure more to express this business. A bottle cap is a device used to close or seal a container such as a bottle, jug, jar, tube or jar. The bottle cap can be in various specific forms such as a bottle cap (that is, a bottle cap in a narrow sense), a lid, and a stopper. The main types of bottle caps are: rotary caps, crown caps, flip caps, corks, etc.
The main functions of the bottle cap are:
Keep container closed and contents within shelf life until opened
Provides a barrier against dust, oxygen, humidity.
Keep product safe from accidental premature opening
Provides a way to reclose or reuse containers
Assist in dispensing and using products
Make it reasonably easy for the intended user to open the container.
2. Types of bottle caps
Beverages, wine, dairy products... In the field of food and beverage, all liquid packaging is inseparable from small bottle caps. When it comes to bottle caps, maybe your first reaction is the plastic bottle cap (rotary cap) of Nongfu Spring 2 yuan bottled mineral water; after thinking about it, the glass beer bottle is matched with a metal bottle that needs the assistance of a cap opener to open The cap (crown-style bottle cap) comes to your mind... But have you ever thought that the cork commonly used in wine bottles is also a kind of bottle cap?
In the part of "Types of Bottle Caps", this article will mainly classify and introduce the common bottle caps on the market based on their appearance: including twist caps, crown caps, flip caps, and corks. More excellent bottle cap cases can be viewed at "Innovative Bottle Cap Solutions".
(1) Rotary bottle cap
There is a spiral groove on the inner side of the rotary bottle cap, which can be opened and sealed by rotation. It can be used repeatedly, and no equipment is needed to open it. Some caps feature tamper-resistant designs or child-resistant packaging.
twist cap
At present, there are two types of screw-type plastic (anti-theft) bottle caps in circulation in the market: single-piece caps and double-piece caps, which are mainly distinguished by the sealing structure used (single-piece caps are sealing rings, and double-piece caps are gaskets).
1. Single piece cover
There is no gasket inside the bottle cap, and the entire cap is made of the same material, and is sealed by a crimp or inner plug [31].
2. Double cover
There is a gasket inside the bottle cap, and the gasket material is soft, relying on the rebound force of the compressed gasket to maintain the seal [31].
2. Plastic flip top bottle cap
The lightweight plastic flip cap has a plastic cap body, a plastic flip cap, and a plastic pick articulation [32]. Plastic flip-top bottle caps are widely used in the field of food and beverage because of their simplicity, beauty, convenience, and practicality [33].
With the continuous growth of consumer demand, the functions and styles of flip-top bottle caps have also continuously derived new products, such as the world's first two-piece flip-top bottle cap Original developed by Aptar, which uses the SimpliSqueeze® valve Technology, it will only be opened under pressure, which solves the problem that the general flip-top bottle cap is easy to leak liquid, and opens the trend of using flip-top bottle caps in the beverage field; for many years. This type of bottle cap has been continuously improved to form a family of sports caps [27].