Closing Systems

Written by Sierra Rein
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Closing systems are essential for the economic success of many food, drug, chemical and petroleum manufacturers. They may spend hundreds of thousands of dollars on filling and capping machines, but without a reliable and fast set of closing machines to complete the packaging process, their businesses are in danger. These industrial machines cut down on labor costs, aid to increase productivity rates and become the final professional touch on a long line of assembly machines.

There are as many different closing systems as there are choices of packaging. Some systems close and tighten caps on the tops of bottles while others vacuum-seal tin cans. Still others roll pressure onto the lids of paint and chemical pails to keep toxic liquids safe and secure during transportation.

Most closing systems work in conjunction with other filling and capping machinery. In-line filling and closing machines are great for individual container processing, while rotary filling systems continuously operate throughout the day in an automatic pattern, dispensing product material through funnels on a single multi-position tower. Other closing machines are made for straightwalled containers (using rollstock or pre-cut lid materials).

A Few Notes about Manual Pail Closing Systems

Although simple and relatively slow compared to their automatic cousins, manual closing machines are very effective for small businesses or during times when a slower and more methodical closing method is needed. Some manual closers are great for closing a small batch of lug cover pails, but must be hand-operated. Pneumatic (CLP air-powered) closing systems are also operator-controlled but are less strenuous to use and can help to aid against repetitive stress problems like carpal tunnel syndrome.


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