HOME

TheInfoList



OR:

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 Polyethylene or polythene (abbreviated PE; IUPAC name polyethene or poly(methylene)) is the most commonly produced plastic. It is a polymer, primarily used for packaging ( plastic bags, plastic films, geomembranes and containers including b ...
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 , and a typical large size is . 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. Sometimes other types of bag, such as a cloth bag for toiletries fitted with a conventional zip fastener, are described as zipper bags. One bag was patented by Robert W. Vergobbi on May 18, 1954. 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. Eleven years later, in 1968,
Dow Chemical Company The Dow Chemical Company, officially Dow Inc., is an American multinational chemical corporation headquartered in Midland, Michigan, United States. The company is among the three largest chemical producers in the world. Dow manufactures plastics ...
began marketing them under the name Ziploc. Widetrack ribs were added in 1982, clicking zippers in 1993 and color in 1997.


See also

*
Plastic bag A plastic bag, poly bag, or pouch is a type of container made of thin, flexible, plastic film, nonwoven fabric, or plastic textile. Plastic bags are used for containing and transporting goods such as foods, produce, powders, ice, magazine ...
* Resealable packaging * Ziploc


References

* {{Bags American inventions Bags Food storage containers Packaging Plastics applications Food packaging ziplock bagshttps://ziplockbagshop.com/