Brief introduction of new technologies for logistics packaging containers (1)

1. Bags
The packaging bag is an important technology in flexible packaging. The packaging bag material is a flexible material with high toughness, tensile strength and wear resistance. The general packaging bag structure is a tubular tubular structure, one end is sealed in advance, and the other end is packaged after the end of the packaging. The packaging operation generally uses a filling operation. The bags are widely used in transport packaging, commercial packaging, interior packaging, and exterior packaging, and are therefore widely used. The bags are generally divided into the following three types:

(1) Container bags. This is a large-volume transport bag with a weight of over 1 ton. The top of the container bag is generally equipped with metal hangers or rings to facilitate the lifting and handling of the forklift or crane. When unloading, the unloading hole at the bottom of the bag can be opened. Suitable for shipping granular, powdery cargo.

Container bags are generally made of polyester fibers such as polypropylene and polyethylene. Due to the convenience of loading and unloading cargo and handling of container bags, the handling efficiency has been significantly improved and has developed rapidly in recent years.

(2) General transport packages. The weight of this type of packaging bag is o. 5-100 kilograms, mostly fabric bags made of plant fibers or synthetic resin fibers, or multi-layer material bags made up of several layers of flexible materials.

(3) Small packaging bags (or ordinary bags). This kind of bag contains less weight and is usually made of a single layer material or a double layer material. For some special requirements of the packaging bag is also a multi-layered composite of different materials. A wide range of packaging, liquid, powder, block and shaped materials can be used such packaging.

Among the above kinds of packaging bags, the container bags are suitable for transportation and packaging, and the general transportation packaging bags are suitable for outer packaging and transportation packaging. The small packaging bags are suitable for interior packaging, individual packaging and commercial packaging.

2. Box.

The packaging box is a packaging technology between rigid and flexible packaging. The packaging material has a certain degree of flexibility, is not easily deformed, has a high compressive strength, and is more rigid than bagged materials. The packaging structure is a regular geometric shape of the cube, but also can be cut into other shapes, such as a round box-shaped, sharp-angled, generally smaller capacity, with opening and closing devices. The packaging operation is generally coded in or loaded, and then the opening and closing device is closed. The overall strength of the packaging box is not large, the amount of packaging is not large, not suitable for transport packaging, suitable for commercial packaging, internal packaging. Suitable for packaging blocks and various special-shaped articles.