Title:
BORING METHOD AND DEVICE FOR THROUGH-HOLE FOR ELEVATOR MAIN ROPE
Document Type and Number:
Japanese Patent JP2000264556
Kind Code:
A
Abstract:
To bore a new through-hole in a member provided already with through-holes to admit penetration of a main cable for elevator, in a position close to these existing holes.
When a member 3 provided already with through-holes 4, 5, 14 to admit penetration of a main cable is bored with a new through-hole in a position close to the existing through-holes 4, 5, 14, a template 51 to locate the boring position of the new hole is overlapped on the member 3 and fixed, and a boring tool 54 is restricted by the template 51 and new through-hole is bored in the member 3.
Inventors:
HANADA YASUMI
Application Number:
JP7439999A
Publication Date:
September 26, 2000
Filing Date:
March 18, 1999
Export Citation:
Assignee:
MITSUBISHI ELEC BUILDING TECHN
International Classes:
B23B49/00; B66B7/02; B66B7/08; B66B19/00; (IPC1-7): B66B7/08; B23B49/00; B66B7/02
Attorney, Agent or Firm:
Takada Mamoru
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