Some Important Information About the Production of Zip Lock Bags
History, production, mechanism of closure, usefulness, and also source are the primary facts about the creation of zip lock bags.
Zip lock bags are very handy items which can be closed and reused as many times as desired. They are inexpensive and available in many different sizes. They can hold solid, and also liquid things to seal in freshness or just keep things organized and clean. Here you'll know some essential information about the creation of zip lock bags.
History
Originally, zip lock bags were known as zipper storage bags. They were designed by Robert W. Vergobbi, who gave them the term pencil bags. Vergobbi then gained a patent for these kinds of plastic zipper pouches in May 1954. 36 months later, the creation proved its power to seal in freshness after a 5th grader named Robert LeJeune entered the bags for a science project contest. Then in 1968, Glad and Dow Chemical launched the Ziploc brand to the general public. After a little over a few decades later, ITW and Dow Chemical joined to make Zip-Pack, with the main purpose of creating and distributing resealable plastic zipper bags. In 1996, Hefty produced its own model of resealable bags which have slider zippers. Today, the Ziploc brand is managed by S.C. Johnson and Co.
Creation
Zip lock bags are designed by melting polyethelene plastic right down to the point when it becomes pliable. The pliant material is then transmitted into a mold based on the shape and size of the bag being made. Another form of plastic material, one which is thicker and stronger, is used for the closure of the bag. The open ends of the bags are then simply joined with the sturdier closure tracks. Since Ziploc bags also come with plastic zipper sliders, they're made a little differently from most other brands. Through the zipper sliders, the bags can be shut and attached shut, by simply pushing the zippers.
Mechanism of closure
The 2 opposing tracks on the lips of the bag interact with each other much in the same way as how 2 pieces of a puzzle would. One track is male and the other is female. The female track locks the male track inside and keeps the bag sealed. Closure can be really tight which one must give the bag just a little tug to open it. When sealed, the bag remains firmly sealed enough that even if you fill it with hefty objects and turn it inverted, no item will spill out of it, not even a small amount of air.
Practical use
Zip lock bags are currently being utilized for just about anything. Baking companies give them to their customers to help extend the life span of the biscuits or food that were just bought. You can use zip lock baggies for food including salad mixes, bag of grapes or chips, school snacks, as well as frozen meat. Zip lock bags may also help to set up small craft things, children’s toys, pencils and crayons, make-up and jewelry. You can even utilize zip lock bags to arrange the clothes in your travel suitcase during travels. A growing number of firms are actually paying for zip lock bags so their own products can also remain fresher longer and more efficient.
Source
Zip lock bags are commonly seen in any grocery and supermarkets. They are cheap and available in many sizes to fit in every need.
Zip lock bags are made of tough plastic. Instead of throwing them after every use, try to recycle them for other purpose.
Learn more about zipper pouches by looking at http://www.dominoplastics.com/zipper-pouches