JPS57119087A - Internal/external differential pressure adjustment of underwater shaft sealing apparatus for vertical excavator - Google Patents
Internal/external differential pressure adjustment of underwater shaft sealing apparatus for vertical excavatorInfo
- Publication number
- JPS57119087A JPS57119087A JP19446081A JP19446081A JPS57119087A JP S57119087 A JPS57119087 A JP S57119087A JP 19446081 A JP19446081 A JP 19446081A JP 19446081 A JP19446081 A JP 19446081A JP S57119087 A JPS57119087 A JP S57119087A
- Authority
- JP
- Japan
- Prior art keywords
- internal
- differential pressure
- pressure adjustment
- sealing apparatus
- shaft sealing
- 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.)
- Granted
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19446081A JPS57119087A (en) | 1981-12-04 | 1981-12-04 | Internal/external differential pressure adjustment of underwater shaft sealing apparatus for vertical excavator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19446081A JPS57119087A (en) | 1981-12-04 | 1981-12-04 | Internal/external differential pressure adjustment of underwater shaft sealing apparatus for vertical excavator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57119087A true JPS57119087A (en) | 1982-07-24 |
JPS6226389B2 JPS6226389B2 (en) | 1987-06-09 |
Family
ID=16324927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19446081A Granted JPS57119087A (en) | 1981-12-04 | 1981-12-04 | Internal/external differential pressure adjustment of underwater shaft sealing apparatus for vertical excavator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57119087A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006169881A (en) * | 2004-12-17 | 2006-06-29 | Hokuto Kogyo:Kk | Excavator |
-
1981
- 1981-12-04 JP JP19446081A patent/JPS57119087A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006169881A (en) * | 2004-12-17 | 2006-06-29 | Hokuto Kogyo:Kk | Excavator |
JP4633454B2 (en) * | 2004-12-17 | 2011-02-16 | 株式会社 北斗工業 | Drilling rig |
Also Published As
Publication number | Publication date |
---|---|
JPS6226389B2 (en) | 1987-06-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3268064D1 (en) | Positive fluid displacement apparatus of the scroll-type, and a method of making sealing means for such an apparatus | |
EP0142236A3 (en) | Emergency shaft seal device by deformation of packing ring | |
JPS5482553A (en) | Shaft seal for water pump and method of sealing same | |
AU1144283A (en) | Underwater pipe sealing apparatus | |
GB2064418B (en) | Method of making packing seals | |
ZA827510B (en) | Seal of a mill | |
GB2128692B (en) | Seal for an underwater connector | |
JPS57186669A (en) | Shaft sealing device sealed by fluid | |
JPS57119087A (en) | Internal/external differential pressure adjustment of underwater shaft sealing apparatus for vertical excavator | |
DE3264420D1 (en) | Seal for sealing high-pressure devices | |
JPS5639385A (en) | Sealing method of pipe | |
JPS57204829A (en) | Sealing device for valve of valve bag | |
AU8558382A (en) | Pipe sealing apparatus | |
JPS57194972A (en) | Method of packing film | |
JPS56156592A (en) | Airtight sealing treatment jig of vertical pipe | |
DE3272306D1 (en) | Device for forming a dam for the protection of waters against oil leakages | |
JPS57175505A (en) | Device for sealing mouth of vessel | |
JPS57110802A (en) | Apparatus for adjusting differential pressure of hydraulic motor | |
JPS57174676A (en) | Shielding of housing box block for differential pressure cooler | |
JPS5619323A (en) | Method of sealing through cable for fireeproof | |
JPS57133045A (en) | Method of sealing vessel | |
JPS57151220A (en) | Method of producing cable gas dam | |
JPS57179471A (en) | Shaft sealing system for stern tube seal shaft sealing device | |
JPS5767785A (en) | Sealing plate for floatable vertical pipe of furnace | |
IT1129245B (en) | SEALING GASKET FOR ROTATING SHAFTS |