Title:
MANUFACTURE OF DULL FINISHED STAINLESS STEEL SHEET
Document Type and Number:
Japanese Patent JP2954003
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To manufacture a dull finished stainless steel sheet excellent in antidazzle characteristic and uniformity of color tone by rolling a stainless sheet using work rolls on which random pattern without directivity is applied and only the surfaces of projecting parts of the pattern is dull worked.
SOLUTION: First, the random pattern without dirctivity is formed on the surface of the work rolls by photoetching method. Next, the surface is roughened by applying dull working only to the projecting part 2 of the random pattern of the work roll, for example, by electric discharge machining. And, its mean surfaceroughness is ranged in 2-15μm and the depth of the recessed part 1 of the pattern provided on the surface by an etching method is ranged in 20-200μm. Because the ruggedness by etching is imparted to the dullfinished stainless steel sheet which is manufactured using such work rolls, antidazzle characteristic is greatly improved and, because the ruggedness by etching are enough deep, the change in the projecting and recessing shape and the change in the color tone which are transferred on the surface of sheet are small even when roll wear progresses to some extent.
Inventors:
ISHIKAWA MASAAKI
Application Number:
JP25114295A
Publication Date:
September 27, 1999
Filing Date:
September 28, 1995
Export Citation:
Assignee:
KAWASAKI SEITETSU KK
International Classes:
B21B3/02; B21B1/22; B21B27/00; B21B27/02; (IPC1-7): B21B1/22; B21B3/02
Domestic Patent References:
| JP7188862A | ||||
| JP7116702A | ||||
| JP6179002A | ||||
| JP446612A | ||||
| JP1118301A |
Attorney, Agent or Firm:
Masataka Oshima