“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

  • ON THE TRACK, “LENINGRAD-2”ON THE TRACK, “LENINGRAD-2”
    Several years ago I came across a photograph of an unfamiliar race car. Machine interested, but no additional information about the photo caption does not contain, and the search for...
  • Center indicatorCenter indicator
    My fifth-grade grandson recently came to me with a request: he needed to come up with a project for 3D printing, the kids from the internet would download toy soldiers, but he wanted to...