Title:
SUCTION DRILL
Document Type and Number:
Japanese Patent JP3207398
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a suction drill capable of efficiently discharging matters filled inside to the outside in a single process.
SOLUTION: A suction drill includes an outer cylinder 3 having a connection pipe 2 connected to a cylindrical body 1 passing through in the longitudinal direction, a shaft member 6 rotatably supported in the cylinder 1, a cutter 4 provided at the front side of the shaft member 6 and a drill shaft 5 provided at the rear side. A flow passage 61 is formed in the shaft member 6 so that matters sucked from a through-hole 42 in the cutter 4 together with air can be discharged through the connection pipe 2 to the outside.
Inventors:
Masahiko Kawa
Application Number:
JP13394599A
Publication Date:
September 10, 2001
Filing Date:
May 14, 1999
Export Citation:
Assignee:
Kawa Machinery Co., Ltd.
International Classes:
B23B47/34; B23B41/08; B23B47/00; (IPC1-7): B23B47/34; B23B41/08; B23B47/00
Domestic Patent References:
| JP8192308A | ||||
| JP5545422U | ||||
| JP675609U | ||||
| JP235611U |
Attorney, Agent or Firm:
Takeshi Nakatani