Manual tool for pressing paste out of cartridge-type containers has internal thread device formed from thread elements distributed round circumference

摘要

The paste-pressing tool includes a threaded spindle (6) and a rotation unit (20) engaged with it. The rotation unit has an internal thread device (21) formed from thread elements (27) distributed round the circumference. The threaded elements can be moved between a raised free position and a position in which they are engaged with the threaded spindle.