Closing Screw Top Containers

Written by Sierra Rein
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The challenge facing many chemical and food packaging industries is how to find affordable and effective ways of closing screw top containers. The torque involved in sealing screw top bottles is incredibly important if the company is to follow specific health and safety regulations. Without a strong and reliable method of closing screw top containers, a company is likely to become unable to do business.

Screw top containers like soft drink bottles must have a foolproof machine tighten their lids without breaking, over-torquing or under-torquing them. Tops that are too tight can frustrate customers, while broken or loose lids can cause spills. The problem of closing screw top containers must be solved before production can continue.

There are several different types of machines that are able to successfully screw caps and lids onto bottles, pails and cylinders. The first is the hand-held cap tightener, which uses either an electric or air pressurized torque nozzle held by an operator. Hand-held and tabletop tighteners, which use a downward motion to fully rotate pill and medicine bottle caps, are the most economical and space-saving machines for small or home-based businesses.

Closing Screw Top Containers for Large Companies

When it comes to bulk processing considerations, an in-line or automatic top-tightening machine will do the trick. In-line tighteners will tighten a cap that has already been placed onto the bottle and can reach rates of up to 100 bottles per minute. Automatic cappers, on the other hand, perform two functions in one move by placing the cap on the bottle before tightening it.


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