Closure solutions

The right closure for every packaging

Closures for containers protect the contents of bottles, cans, jars and tubes from contamination, leakage and spoilage. They are available in various designs depending on the container type, intended use and contents - whether DIN standardised or as a special closure. Here are some of the most common types of closures and their specific applications.

Closures for containers are essential devices that protect the contents of bottles, cans, jars and tubes from contamination, leakage and spoilage. They are available in different designs depending on the container type and intended use. Here are some of the most common types of closures and their specific applications:

Types of closures

Screw caps

  • Material: Metal or plastic
  • Application: Widely used for bottles (e.g. water and juice bottles) and jars (e.g. jam jars)
  • Functionality: Opened and closed by twisting

Twist-off closures

  • Special feature: Specially developed for certain applications such as wine bottles
  • Functionality: Similar to screw caps, but optimised for wine bottles

Snap-on closures

  • Material: Plastic
  • Application: Plastic containers and tubes
  • Functionality: Snap into place when closed, easy to open by lifting or pressing

Clip closures

  • Components: Wire clip and sealing plug
  • Application: Glass bottles, especially for drinks such as beer
  • Functionality: The wire clip is folded over to press the sealing plug firmly into place

Crown cap

  • Material: Metal
  • Application: Beer and soft drink bottles
  • Functionality: Pressed onto bottles and removed with a bottle opener

Cork stopper

  • Material: Traditionally made of cork, synthetic materials also available
  • Application: Mainly for wine bottles
  • How it works: Pressed into the bottle opening to ensure an airtight seal

Aluminium or metal foil closures

  • Application: Yoghurt pots, milk bottles
  • Functionality: Opened by pulling off

Valve closures

  • Application: Spray bottles, aerosol cans
  • Functionality: Controlled release of the contents by pressing

Stopper

  • Material: Rubber, silicone, plastic
  • Application: Frequently used in laboratories
  • Functionality: Pressed into the opening of the container to seal it

 

To the point

Closures are essential for the safe and hygienic storage of contents in various containers. The choice of the right closure depends on factors such as the material of the container, the type of contents and the desired level of airtightness and accessibility. From screw and twist closures to snap-on and swing-top closures, crown caps, corks and speciality closures such as valve closures, these devices offer tailor-made solutions for a wide range of applications.


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