Title:
DRILLING METHOD BY HAMMER DRILL AND DEVICE THEREFOR
Document Type and Number:
Japanese Patent JP10034416
Kind Code:
A
Abstract:
To perform drilling work while confirming a marker tape added to a drill by blowing away cut waste, discharged from a drilled part, through air delivered from an air hose.
A nozzle body 1 is fixed to a hammer drill 10 by fixing bolts 8, 8 fixed into fixing bolt holes of the nozzle body 1. A connecting part 6 of an air hose 5 is connected to a blast pipe 3 of the nozzle body 1. Air H is always blasted to a drill 11 from the air hose 5 so as to blow away cut waste discharged from a drilled part. As a result, the cut waste does not adhere to the drill 11, and drilling work can be performed while always looking at a marker tape s added to the drill 11.
Inventors:
Tomizawa, Hideo
Application Number:
JP1996000195810
Publication Date:
February 10, 1998
Filing Date:
July 25, 1996
Export Citation:
Assignee:
NIPPON FUASUTEMU KK
International Classes:
B23B47/34; B23B49/00; B23B47/00; B23B49/00; (IPC1-7): B23B47/34; B23B49/00