Magnetic sheet polishing device

Details Magnetic sheet polishing device Magnetic sheet polishing device

1989-08-24

1990-12-11

Terrell, William

Metal working

Burnishing

51132, 82 112, 407 1, B24B 3906, B23B 2700

Patent

active

049760203

ABSTRACT:
A magnetic sheet polishing device including a scraper having a sliding surface and a downstream side surface that is nearly perpendicular or at an acute angle to the sliding surface to ensure that magnetic material powder spontaneously falls away from and does not adhere again to the magnetic material surface of the magnetic sheet after being scraped off by the scraper. Additionally, the scraper has a diagonal groove or a diagonal step formed in a side surface to check for wear of the sliding surface.

REFERENCES:
patent: 382414 (1888-05-01), Edison
patent: 1130156 (1915-03-01), Edison
patent: 1536938 (1925-05-01), Schiffl
patent: 4330910 (1982-05-01), Schachl et al.
patent: 4430782 (1984-02-01), Bornhorst et al.
Barth et al., "Magnetic Disk Treatment", IBM Technical Disclosure Bulletin, vol. 14, No. 5, 10 1971.
Slindee "Burnishing Method and Apparatus for Flexible Magnetic Disks", IBM Technical Disclosure Bulletin, vol. 19, No. 10, 03 1977.

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