Band saw blade
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United States of America Patent
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Mar 18, 2003
Grant Date -
N/A
app pub date -
Mar 11, 1997
filing date -
Mar 11, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a band saw blade 1 which has less difference in cut areas of workpieces with small diameters and cut areas of workpieces with large diameters, and is capable of weakening the cutting resistance and preventing unintentional bending of a cutting line and noise generation when a workpiece, which cannot easily be cut, is cut. The band saw blade 1 has, on the back surface 5 of a body 3 thereof, a wavy back surface 5 which is changed periodically or irregularly. A plurality of imaginary curves L1,L2 running parallel to the wavy undulation provided for the back surface 5 are formed opposite to the back surface. Moreover, a plurality of saw teeth 2,4,6,8,10 having tooth tips which substantially describe the imaginary curves L1,L2 are formed. Thus, constant areas can be cut by the band saw blade 1 regardless of the diameter of the workpieces required to be cut. Moreover, the cutting resistance can be weakened, and unintentional bending and noise can be prevented.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- AMADA COMPANY, LIMITED
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Kamiyama, Iwao | Hyogo, JP | 2 | 95 |
Tsujimoto, Susumu | Hyogo, JP | 29 | 720 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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