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  2. Vacuum packing - Wikipedia

    en.wikipedia.org/wiki/Vacuum_packing

    Rotary belt type vacuum packaging machine or vacuum sealer features the same function as the double-chamber vacuum packaging machine as a 'vacuum bag sealer'. But the rotary belt vacuum packaging machine is more convenient, as the belt rotates automatically while the bags are placed to the sealing bar and vacuum sealing process completed.

  3. Vacuum chamber - Wikipedia

    en.wikipedia.org/wiki/Vacuum_chamber

    A large vacuum chamber. A small vacuum chamber for studio or lab use in de-airing materials such as mold rubbers and resins. Vacuum chamber for testing leaks in packaging. A vacuum chamber is a rigid enclosure from which air and other gases are removed by a vacuum pump. This results in a low-pressure environment within the chamber, commonly ...

  4. Packaging machinery - Wikipedia

    en.wikipedia.org/wiki/Packaging_machinery

    Double chamber vacuum packer. ... skin packs and vacuum packaging machines; Bottle caps equipment, ... Sealing machines: heat sealer, tape, ...

  5. Vacuum engineering - Wikipedia

    en.wikipedia.org/wiki/Vacuum_engineering

    Vacuum systems usually consist of gauges, vapor jet and pumps, vapor traps and valves along with other extensional piping. A vessel that is operating under vacuum system may be any of these types such as processing tank, steam simulator, particle accelerator, or any other type of space that has an enclosed chamber to maintain the system in less than atmospheric gas pressure.

  6. Materials for use in vacuum - Wikipedia

    en.wikipedia.org/wiki/Materials_for_use_in_vacuum

    Aluminium bronze is a material that looks and machines similar to brass. It is not susceptible to galling, which makes it suitable for sliding fits against stainless steel. Nickel is widely used in vacuum technology, e.g. as mechanical parts in vacuum tubes. It is relatively low-cost, can be spot welded, can be easily machined, has high melting ...

  7. Vacuum table - Wikipedia

    en.wikipedia.org/wiki/Vacuum_table

    The workpiece is placed on the top of the vacuum chamber and thus held down by the pressure differential between the vacuum chamber and the outside air. A vacuum table consists of a typically flat rigid surface with small holes to move air from under a workpiece, as to apply varying vacuum from between the desired workpiece and table to ...

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