All sealing machines are used to seal products, packaging using heat, electromagnetic induction or other principles. Make the product easy to distribute and sell, or get a longer shelf life.
A continuous band heat sealer is a machine used to seal thermoplastic materials using heat. This can be with uniform thermoplastic monolayers or with materials having several layers, at least one being thermoplastic. Heat sealing can join two similar materials together or can join dissimilar materials, one of which has a thermoplastic layer.
Generally, the continuous heat sealing machines have vertical and horizontal two styles for different occasions and different bag sizes.
Induction sealing is a non-contact heating process (sealing) that welds a foil laminate (called an inner-seal) to the lip of jars and bottles. It is the process of bonding thermoplastic materials by induction heating. This involves controlled heating an electrically conducting object (usually aluminum foil) by electromagnetic induction, through heat generated in the object by eddy currents.
Induction sealing is used in many types of manufacturing. In packaging it is used for package fabrication such as forming tubes from flexible materials, attaching plastic closures to package forms, etc. Probably the most common use of induction sealing is cap sealing, a non-contact method of heating an inner seal to hermetically seal the top of plastic and glass containers. This sealing process takes place after the container has been filled and capped.
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