Sealing technology development stage four
A typical example in the history of sealing is the overfilleted pneumatic seal in 1970, which was designed to retain a lubricating film at the edge of its working area and is used in unlubricated pneumatic systems. The application of this type of seal, only need to be installed at a time of initial lubrication, this design is still widely used.
Post time: Nov-15-2022
