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2. 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.

3. Packaging machinery - Wikipedia

   en.wikipedia.org/wiki/Packaging_machinery

   Checkweigher Milk bag form-fill-seal operation. Packaging machines may be of the following general types: Accumulating and collating machines; Blister packs, skin packs and vacuum packaging machines; Bottle caps equipment, over-capping, lidding, closing, seaming and sealing machines

4. 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.

5. Glass-to-metal seal - Wikipedia

   en.wikipedia.org/wiki/Glass-to-metal_seal

   Uranium glass used as lead-in seals in a vacuum capacitor. Glass-to-metal seals are a type of mechanical seal which joins glass and metal surfaces. They are very important elements in the construction of vacuum tubes, electric discharge tubes, incandescent light bulbs, glass-encapsulated semiconductor diodes, reed switches, glass windows in metal cases, and metal or ceramic packages of ...

6. Vacuum filler - Wikipedia

   en.wikipedia.org/wiki/Vacuum_filler

   Vacuum filler. A vacuum filler is a machine used for filling pasty products. [1] ... a “sealing device” is always required at the feed system outlet. This device ...

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 ...