Title:
MARKING TOOL AND MARKING METHOD
Document Type and Number:
Japanese Patent JP2002263976
Kind Code:
A
Abstract:
To provide a marking tool being small in size and simple in structure.
A marking holder 3 is removably fixed at a main holder 2 formed mountably on a main shaft A of a machining center. A piston 21 and a punch holder 22 are engaged with each other in the marking holder 3 and the two parts are held slidably and energized movably backward. A cylinder chamber 25 is formed in a manner to be communicated with the atmosphere through an air vent hole 27 and in which center-through coolant from the main shaft A is introduced, and a marking punch 4 is situated at the tip of the punch holder 22.
Inventors:
OGAWA YUJI
Application Number:
JP2001066278A
Publication Date:
September 17, 2002
Filing Date:
March 09, 2001
Export Citation:
Assignee:
NISSAN MOTOR
International Classes:
B41K3/36; B21D22/02; B23Q3/155; B44B5/00; (IPC1-7): B23Q3/155; B21D22/02; B41K3/36; B44B5/00
Attorney, Agent or Firm:
Masaki Goto (1 person outside)
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