Synthetic fiber spinning plate with colummar coating layer

Abstract

Abstract To provide for smooth flow of synthetic spinning liquid from a spinning plate, formed with spinning ducts extending through the thickness of the plate, the exit surface of the plate has a coating of adjacently located crystalline columns, of a thickness in the order of between 2-20 Mu m, the layer having a fine crystalline structure, in a plane parallel to the coated surface of the plate and the layer being made of at least one metal of titanium, vanadium, niobium, chromium, molybdenum, tungsten, iron, cobalt, nickel, gold, silver, tantalum, copper, aluminium, or platinum-type metals; these materials are preferably applied by vacuum condensation from a gaseous phase at a pressure of less than about 10 1 mm Hg.

Inventors

• 👤 W Gultner
• 👤 W Hohmann
• 👤 R Ruthardt

Bibliographic Details