JPH02120594U - - Google Patents
Info
- Publication number
- JPH02120594U JPH02120594U JP2709889U JP2709889U JPH02120594U JP H02120594 U JPH02120594 U JP H02120594U JP 2709889 U JP2709889 U JP 2709889U JP 2709889 U JP2709889 U JP 2709889U JP H02120594 U JPH02120594 U JP H02120594U
- Authority
- JP
- Japan
- Prior art keywords
- cutter head
- inner tube
- head
- tube
- bored
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案の一実施例の断面図、第２図及
び第３図は従来の圧入式穿孔機による施工手順を
示す図である。
図中、１は外管、３は内管、４はインナースリ
ーブ、６はカツタヘツド、７，８は導液孔、９は
排泥流路、１０は給液路を示す。
FIG. 1 is a sectional view of an embodiment of the present invention, and FIGS. 2 and 3 are diagrams showing the construction procedure using a conventional press-fit type drilling machine. In the figure, 1 is an outer pipe, 3 is an inner pipe, 4 is an inner sleeve, 6 is a cutter head, 7 and 8 are liquid guide holes, 9 is a mud drainage channel, and 10 is a liquid supply channel.
Claims (1)
カツタヘツドを取り付け、該カツタヘツド内に前
記内外管間の給液路と前記内管とを連通する導液
孔を穿設したことを特徴とする穿孔機のカツタヘ
ツド。 A cutter head is attached to the tip of an inner tube that can be rotated within the outer tube, and a liquid guide hole is bored in the cutter head to communicate the liquid supply path between the inner and outer tubes with the inner tube. The head of the machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2709889U JPH02120594U (en) | 1989-03-09 | 1989-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2709889U JPH02120594U (en) | 1989-03-09 | 1989-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02120594U true JPH02120594U (en) | 1990-09-28 |
Family
ID=31249311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2709889U Pending JPH02120594U (en) | 1989-03-09 | 1989-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02120594U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5654438A (en) * | 1979-10-11 | 1981-05-14 | Nippon Telegr & Teleph Corp <Ntt> | Locator in information retrieving device |
-
1989
- 1989-03-09 JP JP2709889U patent/JPH02120594U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5654438A (en) * | 1979-10-11 | 1981-05-14 | Nippon Telegr & Teleph Corp <Ntt> | Locator in information retrieving device |
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