To provide a metal working cutter which lights up a cutting portion brightly by a lighting system since cutting powder is attached on a transparent cover for prevention of flying of the cutting powder on a conventional metal working cutter, the cutting powder produced from which is high temperature metallic powder, and visibility is deteriorated by the damage of the transparent cover by the cutting powder blown against it.
The function of the lighting system is performed by constantly securing the visibility by changing the transparent cover 41 while securing a sealing property of a window part 40 by constituting the resin made transparent cover 41 so as to attach it freely detachably on the window part 40 to visually observe the cutting portion X free.
AZEYANAGI TAKAISA
TSUBOI YASUKI
| JP2002210703A | 2002-07-30 | |||
| JP2004243522A | 2004-09-02 | |||
| JP2003048118A | 2003-02-18 |
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