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US 4,058,668 AGranted
Cold crucible
AssigneeThe United States of America as represented by the Secretary of the Interior
InventorPhilip G. Clites
Life of this patent
Estimating the term…
Abstract
The side wall of a right-cylindrical crucible is formed by pairs of concentric tubes, one the outer and one the inner. Open upper ends of the inner tubes are spaced below closed upper ends of outer tubes, and a cooling water circuit serially through the inner and outer tubes is established by manifolds.
Claims5
A cold crucible having
- a normally vertical side wall formed of a plurality of vertical concentric tube pairs disposed side-by-side, each tube pair being comprised of
- an outer tube having a closed upper end and an open lower end and
- an inner tube spaced inwardly from the outer tube and having open upper and lower ends,
- plural header means respectively connected to the lower ends of each of the tubes in the pairs, and means for connecting water supply and return conduits to the respective header means.
1 more element
Dependencies are inferred from the claim text.