Tel: +86 188 2689 9458
source:other news release time:2022-11-24 Hits:

Trilateral pocket
The trilateral seal pocket has two side seams and one top seam pocket, the bottom of which is formed by folding the film horizontally. These bags can be folded or not, and when they are folded, they can stand upright on the shelf.
One of the variants of a three-sided pocket is to fold the original edge to form a bottom edge and glue it so that it essentially becomes a four-sided pocket.
02
Backpack
Backpacks are also called pillow-shaped bags. They have seams at the back, top and bottom, making them pillow-shaped. Many snack bags are often packed in pillow-shaped bags. The back seams of the pillow-shaped bag form a fishfin-like encapsulation in which the inner layers of the film are placed together and the seams protrude from behind the encapsulated bag. The other type of seal overlaps, where the inner layer of one side is bonded to the outer layer of the other side to form a flat seal. Because the "fishfin" seal is strong and can be heat sealed as long as the inner layer of the packaging material, it is widely used. The "overlap" seal is relatively not strong and requires the inside and outside of the bag to be heat-sealed, so it is not used much. The top and bottom seals are glued together by the inner material of the bag.
03
Folded bag
Folded bags, also known as fold-in bags and organ bags, are the deformation of the back pack. They are folded in on both sides of the bag to form an M-shaped bag. If the M-shape is not symmetrical, it is also called a trapezoidal folded bag.
04
Four-sided bag
Four-sided pockets are usually made of top, sides and bottom seals of two (rolled) materials. Compared with the previously mentioned bags, it is possible to use two different types of plastic resin materials to make four-sided front-bonded pockets if they can be bonded to each other. Four-sided pockets can be made into various shapes, such as heart or oval.
05
Zipper bag
Read recommendations:
Custom printed food grade ziplock snack custom plastic pouch packaging food packing bag
bag in box packaging manufacture
aluminium spout pouch Factory.Lightweight heat preservation, Spout pouch accompanying
Popular recommendation
Coffee & Tea pouch
Custom Print Side Gusset Coffee Pouch Black Matte Coffee Beans Packaging With Valve
Bag-In-Box
juice bag in box distributors
valve for coffee bag custom
aluminium spout pouch custom
spout pouches sales
mulberry mini pouch with handle maker
coffee bag with coffee design
juice bag in box manufacturer
How much do you know about packaging bags
Perforjuice bag in box.mance and requirements for chemical liquid packaging bags
ordering flexible packaging film roll sales.The shortcomings of environmental bags
What are the packaging forms for beverages and liquid food?
Causes and solutions for the difficulty of aluminum foil bags.aluminum foil bag large Production
Packaging airbag inflation
Material of liquid bag
The development trend of domestic food packaging.vanishing coff packaging bag Processing
The use of vacuum bag and the method of controlling its thickness
Method of using electrostatic adsorption for thermal shrinkage of plastic packaging.Vacuum zipper ba
Advantages and applications of sucking bags
How to classify and differentiate composite food bags.aluminum foil bags for grilling Production
bag in box packaging manufacturer.Analysis of inspection points of Zongzi packaging bag
How to use sterile bags.bag in box Vendor
What are the conditions for food packaging?stand up pouches for food package
Applied Materials of composite packaging bags.juice bag in box
Is there any attractiveness of the eight -sided seal packing cat food bags?petco free dog food bag P
How important is the design of rice packaging bags? You'll know when you see it
How to prevent food packaging bags from corrosion?
North India's cowhide paper bag customization allows you to worry about it