Shielding cylinder and method of manufacture

Details Shielding cylinder and method of manufacture Shielding cylinder and method of manufacture

1980-04-01

1982-06-08

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

291573R, 29455R, 29596, 310 52, 138114, B23P 1102

Patent

active

043332234

ABSTRACT:
A shielding cylinder includes an inner cylinder and an outer cylinder of sheet metal. Axial ducts and annular ducts are arranged between the two cylinders to provide flow paths for a cooling fluid. The outer cylinder can be reinforced by one or more peripheral bulges with the bulges forming additional ducts. The shielding cylinder is manufactured by placing a heated inner cylinder onto a mandrel. The inner cylinder is then machined after cooling operation. A heated outer cylinder is then pushed onto the inner cylinder and the outer cylinder is then cooled and machined. A two piece mandrel facilitates the manufacture of long shielding cylinders.

REFERENCES:
patent: 2302229 (1942-11-01), Lampton
patent: 2386747 (1945-10-01), Ris
patent: 2686091 (1954-08-01), Young
patent: 2752668 (1956-07-01), Sheen
patent: 3040846 (1962-06-01), Abberly
patent: 3681628 (1972-08-01), Krastchew
patent: 3892114 (1975-07-01), Taniguchi et al.
patent: 4085343 (1978-04-01), Hasegawa et al.

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