The core of the wound pipe machine originated in the 18th century when Joseph Bramah's manual piston press for the manufacture of seamless lead pipes in 1795 is considered to be the world's first extruder. From then on, and for the first 50 years of the 19th century, the wound pipe machine was only

The corrugated Krah machine is used to deal with the paper cutting needs in the post-printing period. From the mechanical paper cutter to the tape-controlled corrugated Krah machine, and then to the computer program control, color display, full-image operation guided visual processing and computer-a

The corrugated Krah machine is employed to wear down the paper cutting wants within the post-printing amount. From the mechanical corrugated Krah machine to the tape-controlled corrugated Krah machine, and also the worm management, color show, full-image operation radio-controlled visual process and

Construction plan of HDPE spiral wound tanks Packing seal of HDPE spiral wound tanks, a common kind of seal. It is by injecting shaft seal water in the form of constantly injecting certain pressure water inside the packing to prevent the pump body slurry of the steel-lined storage tank from leaking.