Curved tube - of reinforced rubber or rubber-like material mechanically shaped and vulcanized on mandrel

摘要

The tube blank is centered on the clamping end of the mandrel and slid axially on an internal support along the internally held mandrel. After vulcanizing the tube is slid off the mandrel in the same, continuous direction. Pref. the mandrel is held in a fork bracket which can be driven downwards and away.