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  2. Closure (container) - Wikipedia

    en.wikipedia.org/wiki/Closure_(container)

    A closure is a device used to close or seal a container such as a bottle, jug, jar, tube, or can. A closure may be a cap , cover , lid , plug , liner, or the like. [ 1 ] The part of the container to which the closure is applied is called the finish .

  3. Self-sealing suction cup - Wikipedia

    en.wikipedia.org/wiki/Self-sealing_suction_cup

    However, under identical conditions, the self-sealing cup achieved a maximum force of 12.5 N while the commercially available cup achieved a maximum force of 12.9 N. [2] A seal quality test measured the pressure generated from each self-sealing suction cup. The results showed that an array of four cups maintained a pressure of 93.8% atmospheric.

  4. Vacuum packing - Wikipedia

    en.wikipedia.org/wiki/Vacuum_packing

    Sealed food alongside a home vacuum sealer and plastic rolls used for sealing. 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 ...

  5. Jar - Wikipedia

    en.wikipedia.org/wiki/Jar

    A jar is a rigid, cylindrical or slightly conical container, typically made of glass, ceramic, or plastic, with a wide mouth or opening that can be closed with a lid, screw cap, lug cap, cork stopper, roll-on cap, crimp-on cap, press-on cap, plastic shrink, heat sealed lidding film, an inner seal, a tamper-evident band, or other suitable means.

  6. Jar opener - Wikipedia

    en.wikipedia.org/wiki/Jar_opener

    A jar opener is a kitchen device which is used to open glass or plastic jars. A jar is sealed by either (a) a screw-off rubberised lid or (b) a lid placed on the opening of the jar with a rubber sealing-ring between. Screw-off lids are usually made of metal with a thin rubber sealing layer, whereas lift-off lids mostly consist of glass.

  7. Food storage container - Wikipedia

    en.wikipedia.org/wiki/Food_storage_container

    In the modern developed world, a very wide range of food packaging and containers is now available made from many materials.. Plastic containers. Many products use low-density polyethylene formed into plastic bags or plastic boxes.

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