Process and apparatus for the production of hollow bodies by con

Details Process and apparatus for the production of hollow bodies by con Process and apparatus for the production of hollow bodies by con

1989-05-01

1990-12-04

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164468, 164504, 164422, B22D 1100, B22D 2702

Patent

active

049746600

ABSTRACT:
The process and apparatus according to the invention relates to the continuous casting of hollow bodies of metals such as aluminium, copper, steels of all types, or other metals or alloys. The process comprises introducing a liquid metal into an annular space between an outer mold and an inner mandrel, the liquid metal being subjected in the vicinity of the mandrel to the action of a movable magnetic field which entrains it in an upward direction. The magnetic field is preferably generated by a magnetic rotor which is disposed in the mandrel. The process is used in particular for producing blanks intended for the production of non-welded pipes and tubes.

REFERENCES:
patent: 3416591 (1968-12-01), Babel
patent: 3713478 (1973-01-01), Vogt
patent: 3844332 (1974-10-01), Bucci
patent: 4042007 (1977-08-01), Zavaras
patent: 4236571 (1980-12-01), Pierrel
patent: 4614225 (1986-09-01), Ernst et al.

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