JPH0716707Y2 - テレスコピックジャッキ - Google Patents
テレスコピックジャッキInfo
- Publication number
- JPH0716707Y2 JPH0716707Y2 JP1989065735U JP6573589U JPH0716707Y2 JP H0716707 Y2 JPH0716707 Y2 JP H0716707Y2 JP 1989065735 U JP1989065735 U JP 1989065735U JP 6573589 U JP6573589 U JP 6573589U JP H0716707 Y2 JPH0716707 Y2 JP H0716707Y2
- Authority
- JP
- Japan
- Prior art keywords
- oil chamber
- oil
- stage rod
- cylinder
- jack
- 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 - Lifetime
Links
- 230000001141 propulsive effect Effects 0.000 description 12
- 239000000428 dust Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000004570 mortar (masonry) Substances 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003405 preventing effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989065735U JPH0716707Y2 (ja) | 1989-06-05 | 1989-06-05 | テレスコピックジャッキ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989065735U JPH0716707Y2 (ja) | 1989-06-05 | 1989-06-05 | テレスコピックジャッキ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH035797U JPH035797U (en]) | 1991-01-21 |
JPH0716707Y2 true JPH0716707Y2 (ja) | 1995-04-19 |
Family
ID=31597826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989065735U Expired - Lifetime JPH0716707Y2 (ja) | 1989-06-05 | 1989-06-05 | テレスコピックジャッキ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0716707Y2 (en]) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5943206A (ja) * | 1982-09-03 | 1984-03-10 | Kayaba Ind Co Ltd | 流体シリンダ |
-
1989
- 1989-06-05 JP JP1989065735U patent/JPH0716707Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH035797U (en]) | 1991-01-21 |
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