Classification Of Self-supporting Bags
Dec 29, 2017
So far, self-supporting bags are basically divided into the following five types:
1. Ordinary self-supporting bag:
And the general form of self-supporting bags, using four edge form, can not be reopened and repeated open, this self-supporting bag is generally used in industrial supplies industry.
2. Self-supporting bag with suction nozzle:
With suction mouth of the independent bag more convenient dumping or absorbing content, at the same time can be closed and repeated open, can be considered as a self-supporting bag and the combination of ordinary bottle. This kind of self-supporting bag is commonly used for daily necessities, such as liquid, colloid and semi-solid products such as the famous Hizhirong CiCi, such as beverage, shower gel, shampoo, tomato sauce, edible oil, jelly, etc.
3. Self-supporting bag with zipper:
The zipper can also be closed and repeated open, because the use of zipper form is not closed and closed strength is limited, so this form is not suitable for packaging liquids and volatile substances. According to the method of sealing edge is divided into four edge and three edge two, four edge refers to the product packaging in the factory when the zipper seal outside there is a common sealing edge, the use of the general sealing edge to be ripped open, and then the use of zipper to achieve repeated closure, this method to solve the small zipper edge strength is not conducive to transport shortcomings. And three edge is directly with the zipper edge as a seal, generally used to dress light products. Self-supporting bag with zipper is generally used to pack some light solids, such as candy, biscuits, jelly, etc., but four edge of the self-supporting bag can also be used for packaging rice, cat litter heavier products.
4. Imitation mouth type of self-supporting bag:
Imitation mouth-type self-supporting bag combined with suction mouth of the independence of the bag convenient and ordinary self-supporting bag cheap. The function of the suction nozzle is realized through the shape of the bag body itself. But the imitation mouth type of self-supporting bag can not be repeated, therefore, generally used in beverages, jelly and other disposable liquid, colloid, semi-solid packaging products.
5. Special-shaped self-supporting bag:
That is, according to the packaging needs, in the traditional bag based on the changes produced by the various shapes of the new self-supporting bags, such as waist design, bottom deformation design, handle design. It is the main direction of the development of self-reliance bag increment at present.
With the progress of society and the improvement of people's aesthetic level as well as the competition in various industries, the design and printing of self-supporting bags becomes more and more colorful, its manifestation is more and more, and the development of special-shaped self-supporting bags has gradually replaced the status trend of traditional self-supporting bags.