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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

    Single chamber sealers require the entire product to be placed within the machine. Like external sealers, a plastic bag is typically used for packaging. Once the product is placed in the machine, the lid is closed and air is removed. Then, there is a heat seal inside the chamber that will seal the bag, after sealing the bag the chamber is ...

  5. 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.

  6. Shrink tunnel - Wikipedia

    en.wikipedia.org/wiki/Shrink_tunnel

    When used with polyethylene films the rollers are called "dead" or not spinning. The tunnels with Teflon mesh belts and polymer mesh belts are used for smaller packages, or when the package may have an instability and need a stable platform. Some heat shrink tunnels have two or more zones for heating and controlled cooling.

  7. Filler (packaging) - Wikipedia

    en.wikipedia.org/wiki/Filler_(packaging)

    These fillers are designed when they fill a bottle or tub that enters the machine, the ejects the open bottle back onto another conveyor for sealing. Tablet fillers: These are designed for products that are counted by pieces instead of weight. These are designed for small bottles (similar to some of the flow fillers), but the hopper of the ...

  8. 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 ...

  9. Blister pack - Wikipedia

    en.wikipedia.org/wiki/Blister_pack

    A form-fill-seal process means that the blister pack is created from rolls of flat sheet or film, filled with the pharmaceutical product and closed (sealed) on the same equipment. Such equipment is called a blisterline. There are two types of blister machine' design: rotary and flat-plate, depending on the mechanism for sealing the lidding foil.

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