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Patented packaging: Secret beauty bag
Time: 2015-11-06 Source: Cutting Edge of Packaging Read: 15307 times
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Wenzhou Junchuan Machinery Equipment Co., Ltd.

Performance keywords such as “carton flat bottom”, “plastic bag seal” and “super weight-reducing material” determine that it is different from ordinary packaging. To make better use of the practicality and aesthetics of packaging bags and improve the consumer experience, Guangdong Wenhua Packaging Co., Ltd. has developed a flat bottom bag packaging structure-a beautiful and firm flat bottom bag.

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1. Flat bottom packaging bag is the best "silent salesman" of the product

Packaging bags are an important part of the circulation of commodity packaging. When the product is sold successfully, the promotional role of the packaging bag has also been completed. At this time, the role of the packaging bag can be fully reflected. When the protection function of the packaging is further implemented, it is convenient for consumers to carry around, and it becomes a very ideal mobile advertisement. Communication.

Therefore, the function of packaging bags is not just a shopping bag filled with goods. They have a deeper sense of mission and are live advertisements that convey the corporate brand concept with vitality. There are many types of packaging bags, and the modeling structure is very rich. Common examples are accordion bags, envelope bags, three-side sealing bags, and upright packaging bags.

There is also a flat-bottom bag shape that is often seen in the market. For example, the chocolate packaging bag commonly used by Lindt Lindt is a soft packaging bag with a square structure similar to a carton. The bottom of the bag is square and can stand on its own after being opened. It can be folded into a flat shape when not in use, which is convenient for stacking, transportation and storage. The materials used are mostly paper-plastic composite materials. Paper is often made of light, strong paper; plastics are made of thermoplastic materials such as modified polyethylene. These materials are relatively inexpensive, easy to print, and can be recycled. The packaging bag is convenient to process, has high material utilization rate, simple molding, suitable for mass production, and has extremely rich display effects. There are five sides for printing design content, standing on supermarket shelves, and more convenient for logistics transportation.

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Lindt Lindt

Compared with several other packaging bags, the advantages and functions of flat-bottom bags are very obvious, but many companies will experience the phenomenon of "bottom-through" after using flat-bottom bags, which affects the normal sales of products. Why is this?

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2. Why do ordinary flat-bottomed bags cause "bottom-wearing"?

The bottom of the packaging bag is the part that has the greatest effect under the influence of load, resistance to pressure, vibration, and drop. Therefore, people's requirements for packaging bags must first have sufficient bearing strength to ensure that the bottom of the bag will not be damaged after loading the goods; secondly, the overall structure should be simple and the structure is too complicated, which will affect the assembly of the packaging bag itself, thereby reducing Productivity. The sealing method at the bottom of the packaging bag must be reliable. If the sealing is not reliable, it means that the product may fall out at any time. When designing the overall structure of the packaging bag, the bottom structure of the bag should be carefully designed to lay the foundation for successful packaging.

There are two main types of flat-bottom packaging bags on the market today. One is to stick on the bottom surface (such as Lindt). This type of adhesive bottom structure is easy to cut, but the bottom seal has a large dependence on the adhesive. The adhesive is easy to become brittle after drying and aging, and it is easy to fall off under stress. After the bag is formed, the bottom surface is folded and bonded. The flatness is not high, the placement is unstable, and it is not beautiful enough: there is another type of packaging bag with a bottom plug-in structure (such as a carton packaging), which can be molded and used without interposing between the structures. However, the disadvantage is that the cutting is complicated during production. After molding, there is a gap between the bottom parts, and there is no sealing at all.

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When the above two kinds of packaging bags are used, the weight of the items is concentrated on the bottom, and the bottom surface is most concentrated under tension. The "bottom-through" phenomenon of the bottom of the bag body often occurs, causing the items to land or even be damaged, causing serious damage to the merchant. Losses and negative effects. Based on this situation, it is not difficult to see that the common disadvantages of the existing packaging bags are: because the bottom is a stick-bottom structure or a plug-in structure, the bearing capacity is poor, and the phenomenon of "bottom penetration" is prone to occur.

Three, the uniqueness of the beautiful flat bag

The beautiful firm flat-bottomed packaging bag structure is a new design proposed on the basis of summing up the experience of the existing flat-bottomed packaging bag and box structure. And on August 3, 2001, it was reported to the State Intellectual Property Office for an invention patent application (patent number: ZL01127691.6).

The entire packaging bag is made of a whole sheet of paper-plastic composite material through bag-making, heat-sealing, folding, and bonding. Its outstanding characteristics are: it has the absolute tightness of a conventional flexible packaging bag and a reliable load-bearing capacity; it also has a flat-bottom carton The flatness and three-dimensionality are cross-border packaging of carton (standing) and film bag (sealing).

The packaging bag is a conventional heat-sealed bag with side and bottom sealing edges before the bottom is formed. The material structure and the size of the flat bottom bag can be adjusted according to different packaging materials, making it suitable for the outer packaging of any packaging material. Like most carton packages, inner packaging needs to be added, which can greatly reduce packaging costs and improve packaging production efficiency. At the same time, the packaging bag after the bottom is formed in a folded shape. It can stand naturally, and the merchant does not need to perform secondary molding on the packaging bag. Compared with the carton with a plug-in structure, it has a leaping difference. At the same time, it can reduce the storage space of the packaging bag and reduce logistics costs.

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The beautiful and firm flat-bottom packaging structure design improves the load-bearing capacity of the pasted flat-bottom bags and makes the bottom more flat. There can also be new expressions in the decoration, showing aesthetic concepts and aesthetics that were not available before. At the same time, the sealability of the plug-in box packaging is changed, a sealed bag body is formed, and the cost of packaging materials is reduced.

Compared with the existing conventional technology, the beautiful Jianping flat bag has the following advantages:

Packaging production is more convenient, and the merchant does not need to perform secondary molding of the packaging bag;

The appearance is more flat, beautiful and elegant, can be printed on 5 sides, and the expression is more free and comprehensive;

Strong load-bearing capacity, so the bottom of the bag does not degumming and wear-out, strong and durable, extending the service life of the packaging bag, can be reused multiple times, more environmentally friendly, especially suitable for coffee, tea, chocolate, and various economic Applicable food and product packaging.

Fourth, the conclusion

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The packaging structure design is the basis of the packaging bag, and it complements the packaging decoration and material use. As a universal carrier of business information, packaging bags must also show the trend of advancing with the times under the inspiration of designers. Only by deeply realizing that the bag type is to better meet the practicality and aesthetics of the public, can it stand out in the fierce market competition.

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