Title:
CIRCULAR SAW BLADE WITH TIP
Document Type and Number:
WIPO Patent Application WO/2022/230552
Kind Code:
A1
Abstract:
A circular saw blade (1) comprises: a disc-shaped base metal (2) having an outer diameter of 200 to 500 mm; and first tips (11) and second tips (13) that are disposed alternately along the outer periphery of the base metal (2). The circular saw blade (1) has a blade thickness (1a) of 0.8 mm to 2.0 mm. Each of the first tips (11) and the second tips (13) has a cutting edge (11c, 13c) and a pair of chamfers (11f) at both ends of the cutting edge (11c, 13c). A first groove (12) and a second groove (14) are formed in a flank extending in the peripheral direction from the cutting edge (11c, 13c). The first groove (12) has a first groove bottom (12e) that is deepest in the radial direction at a position of a first distance (15a) from a thickness center (7c) in a first thickness direction. The second groove (14) has a second groove bottom (14e) that is deepest in the radial direction at a position of a second distance (15b) from the thickness center (7c) in a second thickness direction opposite the first thickness direction. Th sum of the first distance (15a) and the second distance (15b) is no more than 0.35 mm.
Inventors:
NAKANO TAKAO (JP)
OOYABU KAZUKI (JP)
OOYABU KAZUKI (JP)
Application Number:
PCT/JP2022/015431
Publication Date:
November 03, 2022
Filing Date:
March 29, 2022
Export Citation:
Assignee:
KANEFUSA KNIFE & SAW (JP)
International Classes:
B23D61/04
Domestic Patent References:
| WO2018074038A1 | 2018-04-26 | |||
| WO2018074038A1 | 2018-04-26 |
Foreign References:
| JP4420464B2 | 2010-02-24 |
Attorney, Agent or Firm:
OKADA PATENT & TRADEMARK OFFICE, P. C. (JP)
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