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2. Vacuum packing - Wikipedia

   en.wikipedia.org/wiki/Vacuum_packing

   Vacuum packing is a method of packaging that removes air from the package prior to sealing. This method involves placing items in a plastic film package, removing air from inside and sealing the package. [ 1] Shrink film is sometimes used to have a tight fit to the contents. The intent of vacuum packing is usually to remove oxygen from the ...

3. Packaging machinery - Wikipedia

   en.wikipedia.org/wiki/Packaging_machinery

   Packaging machinery. Equipment on a pharmaceutical packaging line. Packaging machinery is used throughout all packaging operations, involving primary packages to distribution packs. This includes many packaging processes: fabrication, cleaning, filling, sealing, combining, labeling, overwrapping, palletizing .

4. Materials for use in vacuum - Wikipedia

   en.wikipedia.org/wiki/Materials_for_use_in_vacuum

   Torr-Seal, or its generic equivalent Hysol-1C (US brand name) or Loctite 9492 (EU brand name), is an epoxy with resin and hardener for use in vacuum environments. It will begin to degrade at high temperatures but otherwise is very stable with very little outgassing. Other vacuum-rated epoxies are also available.

5. Vertical form fill sealing machine - Wikipedia

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

   A vertical form fill sealing machine is a type of automated assembly-line product packaging system, commonly used in the packaging industry for food and many other products. Walter Zwoyer, the inventor of the technology, patented his idea for the VFFS machine in 1936 while working with the Henry Heide Candy Company. [1]

6. Porosity sealing - Wikipedia

   en.wikipedia.org/wiki/Porosity_sealing

   Porosity sealing. Porosity sealing is done through the process of vacuum impregnation. Vacuum impregnation is a preferred OEM process that seals porosity and leak paths in metal castings, sintered metal parts and electrical castings that form during the casting or molding process. Vacuum impregnation stops casting porosity (a phenomenon that ...

7. Vacuum filler - Wikipedia

   en.wikipedia.org/wiki/Vacuum_filler

   The key element of a vacuum filler is the vacuum filling principle. The filling product is fed into the feed system mechanically via a hopper with actively driven feeding auger, as well as via vertical “vacuum suction”. Pre-evacuated cells of a vane cell feed system move underneath the hopper.