Packer is a downhole tool used for stratification in oil production engineering. There are oil production channels on the packer. When setting, the piston sleeve is upward and the oil production channels are opened.
It reduces the construction process of water plugging of oil well packer, can conveniently realize no well killing and no blowout, and can bear high pressure in both directions, with long service life.
Automatic packaging machine is a multi-control point, multi-drive complex mechanical control device, the entire packaging machine working process is as follows.
Automatic packaging machine in the food, chemical, pharmaceutical, light Industry and other industries are widely used. Now mainly used for instant noodles, Moon cakes, ice cream,