on the classification of products made by sealing machines

A can sealer is actually a machine used to seal the mouth of a can. It is an integrated machine that is easy to operate. This machine was developed mainly in the United States. All industrial household can sealing machines have also been developed and put into use. This is the progress of the times. It improves work efficiency and does not require manual operation. Human resources are saved.
There are currently many types on the market, which can be roughly categorized as: iron cans, paper cans, aluminum cans, pressure cans, etc. Due to the different lids, they are further divided into jars, tinned jars, etc. According to different shapes, it is divided into round jars, square jars, oval jars, etc.
From the above, it can be seen that due to different capping types, there are many types of can sealing machines, which can be roughly divided into: general-purpose can sealing machines, square can sealing machines, special shape can sealing machines, etc. With the continuous improvement of product shelf life requirements in the food, pharmaceutical, daily chemical and other industries, vacuum can sealers and vacuum nitrogen filling can sealers have also come into being.
Depending on the degree of automation, canning machines are divided into semi-automatic canning machines and fully automatic canning machines.