JPS57119089A - Safety device for underwater shaft sealing apparatus - Google Patents

Safety device for underwater shaft sealing apparatus

Info

Publication number
JPS57119089A
JPS57119089A JP19446281A JP19446281A JPS57119089A JP S57119089 A JPS57119089 A JP S57119089A JP 19446281 A JP19446281 A JP 19446281A JP 19446281 A JP19446281 A JP 19446281A JP S57119089 A JPS57119089 A JP S57119089A
Authority
JP
Japan
Prior art keywords
safety device
sealing apparatus
shaft sealing
underwater shaft
underwater
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
Application number
JP19446281A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62313B2 (OSRAM
Inventor
Hiroshi Kusumi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP19446281A priority Critical patent/JPS57119089A/ja
Publication of JPS57119089A publication Critical patent/JPS57119089A/ja
Publication of JPS62313B2 publication Critical patent/JPS62313B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP19446281A 1981-12-04 1981-12-04 Safety device for underwater shaft sealing apparatus Granted JPS57119089A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19446281A JPS57119089A (en) 1981-12-04 1981-12-04 Safety device for underwater shaft sealing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19446281A JPS57119089A (en) 1981-12-04 1981-12-04 Safety device for underwater shaft sealing apparatus

Publications (2)

Publication Number Publication Date
JPS57119089A true JPS57119089A (en) 1982-07-24
JPS62313B2 JPS62313B2 (OSRAM) 1987-01-07

Family

ID=16324957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19446281A Granted JPS57119089A (en) 1981-12-04 1981-12-04 Safety device for underwater shaft sealing apparatus

Country Status (1)

Country Link
JP (1) JPS57119089A (OSRAM)

Also Published As

Publication number Publication date
JPS62313B2 (OSRAM) 1987-01-07

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