JPS6281698U - - Google Patents
Info
- Publication number
- JPS6281698U JPS6281698U JP17363385U JP17363385U JPS6281698U JP S6281698 U JPS6281698 U JP S6281698U JP 17363385 U JP17363385 U JP 17363385U JP 17363385 U JP17363385 U JP 17363385U JP S6281698 U JPS6281698 U JP S6281698U
- Authority
- JP
- Japan
- Prior art keywords
- comb
- protective material
- pass
- utility
- registration request
- 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
- 230000001681 protective effect Effects 0.000 claims description 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第1図はこの考案の実施例を示す縦断側面図、
第2図は同平面図である。
1…ドリルヘツド、2…防護材。
FIG. 1 is a vertical side view showing an embodiment of this invention;
FIG. 2 is a plan view of the same. 1...Drill head, 2...Protective material.
Claims (1)
金が通過できる程度の隙間を有する櫛歯状の保護
材を設置してなることを特徴とするトンネル掘削
機。 A tunnel excavator characterized in that a comb-shaped protective material is installed on the top of a boring head with a gap large enough for a lock bolt washer to pass through.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17363385U JPS6281698U (en) | 1985-11-13 | 1985-11-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17363385U JPS6281698U (en) | 1985-11-13 | 1985-11-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6281698U true JPS6281698U (en) | 1987-05-25 |
Family
ID=31111277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17363385U Pending JPS6281698U (en) | 1985-11-13 | 1985-11-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6281698U (en) |
-
1985
- 1985-11-13 JP JP17363385U patent/JPS6281698U/ja active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS6281698U (en) | ||
JPS6268994U (en) | ||
JPH027341U (en) | ||
JPS61183782U (en) | ||
JPS6140498U (en) | Shield type tunnel excavator | |
JPH0232526U (en) | ||
JPS5984094U (en) | tunnel boring machine | |
JPS6247633U (en) | ||
JPS61112094U (en) | ||
JPS6250233U (en) | ||
JPS6176895U (en) | ||
JPS60130835U (en) | Cap for drop hammer | |
JPS60190893U (en) | pipe propulsion machine excavator | |
JPS62103885U (en) | ||
JPS6159410U (en) | ||
JPS62143738U (en) | ||
JPH0386194U (en) | ||
JPS61206753U (en) | ||
JPS6216196U (en) | ||
JPS6299659U (en) | ||
JPS63187814U (en) | ||
JPS61144159U (en) | ||
JPH0253417U (en) | ||
JPS6223287U (en) | ||
JPS631098U (en) |