Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Донецький Політехнічний Інститут, Донецкий политехнический институтfiledCriticalДонецький Політехнічний Інститут
Priority to UA4913182ApriorityCriticalpatent/UA9954A/en
Publication of UA9954ApublicationCriticalpatent/UA9954A/en
Method includes shaping of the outer layer of billet, feed on its internal surface of another melt, shaping of the inner layer of billet and its drawing. Shaping of the inner layer of billet is accomplished with increase of the pressure in the direction of drawing of billet.
UA4913182A1991-02-251991-02-25Method and device of continuous casting of hollow bimetallic billet
UA9954A
(en)
Extrusion die comprises a cavity and a preform chamber with shapes having bearing lengths such that extrusion material passes through at a uniform velocity