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US 10,329,652 B2Granted
Method for producing metal cylinder, method for producing substrate for electrophotographic photoreceptor, method for manufacturing electrophotographic photoreceptor, and metal slug for impact pressing
AssigneeFuji Xerox Co., Ltd.
InventorsDaisuke Haruyama, Akira Sato, Hiroshi Tamemasa
Life of this patent
Estimating the term…
Abstract
A method for producing a metal cylinder includes preparing a metal slug having a surface adjusted so that the crystal grain diameter at a depth of 10 μm from the surface is smaller than that at a depth of 100 μm from the surface, and the crystal grain diameter at a depth of 10 μm from the surface is 30 μm or more and 120 μm or less; and forming a cylinder by impact pressing of the metal slug having the surface as a bottom.
Claims15
A method for producing a metal cylinder, the method comprising:
- preparing a metal slug having a surface adjusted so that a crystal grain diameter in a direction parallel to the surface at a depth of 10 μm from the surface is smaller than a crystal grain diameter in the direction parallel to the surface at a depth of 100 μm from the surface, and the crystal grain diameter at the depth of 10 μm from the surface is 30 μm or more and 120 μm or less;
- and
- forming a cylinder by impact pressing of the metal slug having the surface as a bottom.
Dependencies are inferred from the claim text.