Zipper storage bag

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A Ziploc-branded storage bag Ziplock.jpg
A Ziploc-branded storage bag
Close-up from a cross section of the sealing mechanism ZipLock 2.jpg
Close-up from a cross section of the sealing mechanism

A zipper storage bag,slider storage bag,zipper bag,zip lock bag, or zippie is an inexpensive flexible rectangular storage bag, usually transparent, made of polyethylene [1] [2] or similar plastic, that can be sealed and opened many times, either by a slider, which works in a similar way to a zip fastener, or by pinching together the two sides of a mechanical sealing mechanism with one's fingers. The bags are made in many sizes; a typical small size is 1.5 by 2.5 inches (3.8 cm × 6.4 cm), and a typical large size is 9 by 12 inches (23 cm × 30 cm). Material thickness (gauge) varies; smaller bags are typically 40 to 45 µm.

Many such bags are used to contain foodstuffs, such as sandwiches and freezer storage. Single and multiple small items for sale are often packed in small zipper bags for convenience and visibility.

Several types of reclosable features are available for plastic bags. [3] [4] Sometimes other types of bag, such as a cloth bag for toiletries fitted with a conventional zip fastener, are described as zipper bags. [5]

One bag was patented by Robert W. Vergobbi on May 18, 1954.[ citation needed ] In the same year, Minigrip licensed them as pencil bags. The zipper storage bag's most recognized function was not realized until 1957, when a fifth-grader named Robert Lejeune demonstrated that the bag could also be used safely as a food storage device. [6] Eleven years later, in 1968, Dow Chemical Company began marketing them under the name Ziploc. Widetrack ribs were added in 1982, clicking zippers in 1993 and color in 1997. [7]

See also1×1

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A metal zipper is a zipper with its binding edges consisting of individual pieces of metal that are molded into shape and set at regular intervals on the zipper tape. Metal zippers are mainly made of brass, nickel and aluminium, and given their durability, they are mostly used in jeans, work-wear, heavy luggage and heavy-duty garments that must withstand high strength and tough washing. The metal zipper is the oldest type of workable zipper, having been invented by Gideon Sundback as an improvement of Whitcomb Judson's "Clasp Locker" that majorly consisted of a hook-and-eye shoe fastener.

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<span class="mw-page-title-main">Flour sack</span>

A flour sack or flour bag is a bag or sack for flour. Large bulk bags as well as smaller consumer sizes are available.

References

  1. "Polyethylene (PE) Plastic". UL LLC. January 4, 2016.
  2. "Ziploc® Brand Freezer Bags". SC Johnson & Son, Inc. Retrieved 4 January 2016.
  3. US6962439B2,Tahiri,"Leak resistant tamper evident reclosable plastic bag",published 2005
  4. US3473589A,Gotz,"Plastic bag",published 1967
  5. "Ten minute zipper bag". Hooray Design Blog. August 1, 2011. Archived from the original on April 26, 2012. Retrieved December 31, 2011.
  6. "Bag for storage and removal of oxygen",
  7. Macneal, David (20 April 2015). "The Surprisingly Complex Design of the Ziploc Bag". Wired . Retrieved 20 April 2015.

ziplock bags [1]

  1. https://ziplockbagshop.com/