“PRESS” FOR TUBE

This simple device facilitates the use of any tube, helping to squeeze it evenly and gently. It consists of a base in a hole which is inserted the tube, and turning a key with slit for exciting a planar end of the tube. The base and key are made of wooden bars of appropriate dimensions. Their interaction is clear from the figure.

Recommend to read

  • TWO PISTONS IN ONE CYLINDERTWO PISTONS IN ONE CYLINDER
    Our magazine has repeatedly written about the works of children's technical club at HCS Institute of inorganic materials, which for many years was headed by engineer A. S. Abramov. Here...
  • SWAMP OF THE WALKING TRACTORSWAMP OF THE WALKING TRACTOR
    On the website www.lunohodov.net homebrew under the name Lech is double swamp buggies on wheels with low pressure tires (large diameter camera — 1200x350 mm) with the engine from the...