The two-piece can, also known as the pressed can, is a metal container composed of a can lid and a seamless can body. Its main materials include aluminum, tin-plated plates and chrome-plated plates. It is widely used in the packaging of carbonated beverages and food.
The deep drawing tank adopts the general and conventional deep drawing process. The thickness of the tank body obtained does not change significantly, and the thickness of the side wall and the bottom is basically the same. This kind of container is mainly used for filling canned food. According to the ratio of height to diameter of the deep drawing tank, it can be further classified into shallow deep drawing tanks and deep deep drawing tanks.
Thinning and deepening cupping, commonly known as flushing cupping. The thinned deep drawing tank is formed respectively by the conventional deep drawing process and the thinned deep drawing process. That is, one or two conventional deep drawing processes are adopted first, and then the thinned deep drawing process is used to form the container.