Composite flexible packaging materials can be used only when they are made into various packaging bags. There are two ways to make bags. One is that the manufacturer uses the roll film to fill in the automatic packaging machine and form the packaging into various packaging bags; the other is to fill the contents after the bag making mechanism is used to make various bags. Due to the precise control of professional bag making, beautiful bag shape, great changes in bag making and many bag types, bags are made first in quite a few cases.
According to the bag making methods, plastic packaging bags can be divided into four types: three side sealing, middle bottom sealing, three-dimensional middle sealing and sheet material.
The three side seal is sealed around the packaging bag. The front and back dimensions are the finished product size. It has a certain sense of integrity, the design is not constrained, and the front and back design has a certain continuity. Because the front and back dimensions are the same, the front can be designed first, so that the back and the front echo. When plate making, the front and back should be arranged on the same plate cylinder.
The middle bottom seal is sealed at the back. The front dimension is the finished product size, and the back is divided into two equal parts, and the sum of its width is equal to the width of the front side. Usually, the front and back sides are expanded for integrated design, and 1cm sealing edge is added on the left and right sides respectively. The front and back are also on the same set of cylinder.
The three-dimensional middle seal is based on the middle bottom seal, adding three-dimensional edges on both sides. The front, back and side three sides are also on the same plate cylinder.
Due to the limitation of printing materials, the front and back sides of sheet materials must be designed separately to make plates separately. They can not appear on the same cylinder at the same time
Dongguan Beite packaging materials Co., Ltd. - located in Dongguan City, the world's manufacturing city, is a subsidiary of Beite packaging (China) Co., Ltd., with a plant area of 6000 square meters. It is a flexible packaging enterprise integrating R & D, production and sales. It has a complete set of domestic advanced production equipment, a scientific and humanized management system and a group of experienced technical personnel For backing, to provide customers with quality products and first-class service.
The company produces composite bags, roll film, fruit bags, aluminum foil bags, suction mouth bags, self-supporting bags, zipper bags, anti-static bags, special-shaped bags, etc., which are suitable for the internal and external packaging of food, daily chemicals, electronics, toys, medicine, cosmetics, industrial products and other industries.
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