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Patent Searching and Data


Title:
CIRCULAR SAW
Document Type and Number:
WIPO Patent Application WO/2016/178307
Kind Code:
A1
Abstract:
This circular saw 10 has: cutting teeth 14 joined to a plurality of blade bodies 13 that protrude toward the outside in the radial direction at a plurality of locations on the outer circumference of a disc-shaped base metal 11; and gullets 15 which are recessed in the radial direction and formed between each of the plurality of blade bodies 13, wherein the chip clearance angle of the side surface cutting blade of the cutting teeth 14 is within a range of less than ±1°. The circular saw 10 is provided with a vibration prevention mechanism for preventing vibration of the base metal 11. The ratio of the difference between the maximum and minimum pitches of the plurality of cutting teeth 14 to the average pitch value is 40% to 100%. The ratio of the difference between the maximum and minimum values of the average depth of the neighboring gullets to the average depth of the gullets may be adjusted to 20% to 100%.

Inventors:
NISHIO, Satoru (1-1 Nakaoguchi, Ohguchi-cho, Niwa-gu, Aichi 92, 〒4800192, JP)
TAKEYAMA, Ken (1-1 Nakaoguchi, Ohguchi-cho, Niwa-gu, Aichi 92, 〒4800192, JP)
Application Number:
JP2016/002131
Publication Date:
November 10, 2016
Filing Date:
April 21, 2016
Export Citation:
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Assignee:
KANEFUSA KABUSHIKI KAISHA (1-1 Nakaoguchi, Ohguchi-cho Niwa-gu, Aichi 92, 〒4800192, JP)
International Classes:
B23D61/02; B23D47/00; B27B33/08
Foreign References:
US5038653A1991-08-13
JP2004050367A2004-02-19
JP2011161819A2011-08-25
JP2000280202A2000-10-10
US4311075A1982-01-19
DE1628891A11972-01-13
Attorney, Agent or Firm:
OHKAWA, Hiroshi (2-5 Meieki 3-chome, Nakamura-ku Nagoya-sh, Aichi 02, 〒4500002, JP)
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