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2. Heat sealer - Wikipedia

   en.wikipedia.org/wiki/Heat_sealer

   Small impulse sealer Heat-sealed material lies on a warehouse floor. Notice the corded heat sealer to the left. Heat sealer used to prepare plastic bag of lettuce for shelf life testing Continuous band heat sealer. A heat sealer is a machine used to seal products, packaging, and other thermoplastic materials using heat. This can be with uniform ...

3. Packaging machinery - Wikipedia

   en.wikipedia.org/wiki/Packaging_machinery

   For example many packages include heat seals to prepare or seal a package. Heat sealers are needed, even in slow labor-intensive operations. With many industries, the effectiveness of the heat seal is critical to product safety so the heat sealing operation must closely controlled with documented Verification and validation protocols. Food ...

4. Vacuum packing - Wikipedia

   en.wikipedia.org/wiki/Vacuum_packing

   External vacuum sealers involve a bag being attached to the vacuum-sealing machine externally. The machine will remove the air and seal the bag, which is all done outside the machine. A heat sealer is often used to seal the pack. Typically these units use a dry piston vacuum pump which is often considered a "maintenance-free" pump.

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6. Induction sealing - Wikipedia

   en.wikipedia.org/wiki/Induction_sealing

   Induction sealing 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.

7. Plastic welding - Wikipedia

   en.wikipedia.org/wiki/Plastic_welding

   A variety of heat sealers is available to join thermoplastic materials such as plastic films: Hot bar sealer, Impulse sealer, etc. Heat sealing is used for many applications, including heat seal connectors, thermally activated adhesives, and film or foil sealing. Common applications for the heat sealing process: Heat seal connectors are used to ...

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9. Vertical form fill sealing machine - Wikipedia

   en.wikipedia.org/wiki/Vertical_form_fill_sealing...

   The typical machine is loaded with a continuous flat roll of plastic film, which has usually had labeling and artwork applied. Plastic is the most commonly used packaging material in the food industry, but the technology can be used to form continuous metallized foil/film, paper, and fabric product containers by changing the edge sealing/seaming methods.