Method for producing a cryostatic stabilizer
AssigneeSumitomo Chemical Company, Limited
InventorsMasahiro Hasegawa, Hitoshi Yasuda, Akihiko Takahashi
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Abstract
Disclosure is a method for producing a cryostatic stabilizer composed of high-purity aluminum which comprises extruding the high-purity aluminum at an extrusion temperature of 250.degree. to 500.degree. C., an extrusion speed of not more than 20 m/min and an extrusion ratio of 10 to 150 by using an extruding machine equipped with a cylindrical die having helical grooves or projections on the inner surface. The method is industrially advantageous.
Claims7
A method for producing a cryostatic stabilizer having helical grooves or projections composed of high-purity aluminum which comprises extruding the high-purity aluminum at an extrusion temperature of 250.degree. to 500.degree. C., an extrusion speed of not more than 20 m/min and an extrusion ratio of 10 to 150 by using an extruding machine equipped with a cylindrical die having helical grooves or projections on the inner surface of the die so as to produce helical grooves or projections on the cryostatic stabilizer.
Dependencies are inferred from the claim text.