JPS6346546Y2 - - Google Patents
Info
- Publication number
- JPS6346546Y2 JPS6346546Y2 JP18312184U JP18312184U JPS6346546Y2 JP S6346546 Y2 JPS6346546 Y2 JP S6346546Y2 JP 18312184 U JP18312184 U JP 18312184U JP 18312184 U JP18312184 U JP 18312184U JP S6346546 Y2 JPS6346546 Y2 JP S6346546Y2
- Authority
- JP
- Japan
- Prior art keywords
- expansion
- main body
- rotating member
- expanding
- contraction
- 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.)
- Expired
Links
- 230000008602 contraction Effects 0.000 claims description 27
- 210000000078 claw Anatomy 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000009412 basement excavation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18312184U JPS6346546Y2 (US07754267-20100713-C00021.png) | 1984-11-30 | 1984-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18312184U JPS6346546Y2 (US07754267-20100713-C00021.png) | 1984-11-30 | 1984-11-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6197493U JPS6197493U (US07754267-20100713-C00021.png) | 1986-06-23 |
| JPS6346546Y2 true JPS6346546Y2 (US07754267-20100713-C00021.png) | 1988-12-02 |
Family
ID=30740639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18312184U Expired JPS6346546Y2 (US07754267-20100713-C00021.png) | 1984-11-30 | 1984-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6346546Y2 (US07754267-20100713-C00021.png) |
-
1984
- 1984-11-30 JP JP18312184U patent/JPS6346546Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6197493U (US07754267-20100713-C00021.png) | 1986-06-23 |
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