| US 7,444,911 B2 | ||
| Slitter blade assembly | ||
| Akihiro Sanda, Minamiashigara (Japan); Sampei Iida, Minamiashigara (Japan); Kenji Watanabe, Minamiashigara (Japan); and Fujio Kuwabara, Minamiashigara (Japan) | ||
| Assigned to FUJIFILM Corporation, Tokyo (Japan) | ||
| Filed on Apr. 30, 2001, as Appl. No. 9/843,765. | ||
| Claims priority of application No. 2000-133015 (JP), filed on May 01, 2000. | ||
| Prior Publication US 2001/0052279 A1, Dec. 20, 2001 | ||
| Int. Cl. B26D 1/24 (2006.01) | ||
| U.S. Cl. 83—425.2 [83/500; 83/505] | 14 Claims |
| 1. A slitter blade assembly for cutting off a workpiece, comprising:
a drum-shaped rotary blade; and
a disk-shaped rotary blade;
said disk-shaped rotary blade having a cutting edge, a first beveled surface facing said drum-shaped rotary blade and progressively
spaced from said drum-shaped rotary blade toward said cutting edge, and a second beveled surface facing the workpiece and
progressively spaced from said cutting edge away from the workpiece, wherein a first distance (CL) of said first beveled surface
up from said cutting edge along a severance plane perpendicular to a surface of the workpiece is set to a value which ranges
from 40 μm to 200 μm and a first angle (q6) of said first beveled surface from said severance plane is set to a value which ranges from 0.8° to 14°.
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