DRINKOPAEDIA

Welcome to drinkopaedia

This online search tool is designed to allow you to learn more about non-alcoholic beverages and their ingredients. It is constantly evolving and being updated in order to carry the very latest information.

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Soft drink closures

Soft drink containers can have a number of types of sealing or closures and which one is used depends on a number of factors including the size of the container, whether it will be resealed and what type of drink it contains.

Screw tops
Screw tops or screw caps are commonly used on re-sealable bottles, and can be used for both still and carbonated drinks. The majority of soft drink bottles use plastic caps on plastic bottles. However metal screw tops are also used, usually on glass bottles, more commonly for juices and cordials.

For both metal and plastic, there is usually a tamper-proof security attachment to the cap, consisting of a ring that is detached when the bottle is first opened, remaining on the neck of the bottle. If the ring has not been detached, the bottle has not previously been opened.

Due to the fact they are re-sealable, screw top bottles – especially lighter, plastic versions – are portable and are popular with sports people or people on the move such as walkers or cyclists.


Ring pulls
Canned soft drinks are sold with a fitted ring pull to open them.   The ‘stay-on tabs’ that we are familiar with today were introduced in the 1970’s and allow consumers to open their soft drink with the ease as well as ensuring safety and facilitating recycling of the whole can.


Crown caps
Crown Caps or crown corks were the first common soft drink closure and this method of sealing bottles is still in wide use around the world. The crown cap is normally used with glass bottles, for relatively small size – as it cannot be effectively re-sealed. 

Normally a bottle sealed with a crown cap is ‘popped’ with a bottle opener and the crown cork thrown away (the glass bottle will be recycled), although some crown caps can be twisted off by hand.