Title:
BORING BIT FOR TAPPING
Document Type and Number:
Japanese Patent JP2004084009
Kind Code:
A
Abstract:
To provide a boring bit for tapping, which can smoothly discharge cuttings from a digging part.
The boring bit 1 for tapping, comprising the main body 2 of the bit attached at a tip of a rotatable rod, a tip 3 made of a hard metal and implanted in the main body 2, a guide member 4 installed upright at the center in the tip of the main body 2, and a hole 6 for purging air installed on the apical surface 5 of the main body 2, has a channel 11 formed on the outer peripheral surface 9 of the main body 2, wherein the channel 11 tilts from the tip surface 5 of the main body 2 toward the proximal end surface and the rear of a rotating direction.
More Like This:
| WO/2012/040941 | SIPHON TAPPING DEVICE FOR BLAST FURNACE IRON-MAKING |
| JPH11350011 | PIPE FOR OPENING TAPE HOLE |
Inventors:
HAYASHI TAKESHI
HISADA KIMIYA
HISADA KIMIYA
Application Number:
JP2002247233A
Publication Date:
March 18, 2004
Filing Date:
August 27, 2002
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORP
International Classes:
C21B7/12; (IPC1-7): C21B7/12
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Masakazu Aoyama
Akihiko Eguchi
Hideyuki Sugiura
Yasuhiko Murayama
Noriko Yanai
Tadashi Takahashi
Masakazu Aoyama
Akihiko Eguchi
Hideyuki Sugiura
Yasuhiko Murayama
Noriko Yanai