JPS5231297A - Plug device - Google Patents

Plug device

Info

Publication number
JPS5231297A
JPS5231297A JP50105983A JP10598375A JPS5231297A JP S5231297 A JPS5231297 A JP S5231297A JP 50105983 A JP50105983 A JP 50105983A JP 10598375 A JP10598375 A JP 10598375A JP S5231297 A JPS5231297 A JP S5231297A
Authority
JP
Japan
Prior art keywords
plug device
check
plurarity
occasion
plugs
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
JP50105983A
Other languages
Japanese (ja)
Other versions
JPS5730235B2 (en
Inventor
Yoshiharu Ito
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 Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP50105983A priority Critical patent/JPS5231297A/en
Publication of JPS5231297A publication Critical patent/JPS5231297A/en
Publication of JPS5730235B2 publication Critical patent/JPS5730235B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Abstract

PURPOSE: High safety plug device which allows replacement of fuel without removal of plugs to save time of regular check, simultaneous closure of all the nozzles for a plurarity of main steam pipes and ensures safety operations on the occasion of maintenance and check of the main block valve.
COPYRIGHT: (C)1977,JPO&Japio
JP50105983A 1975-09-03 1975-09-03 Plug device Granted JPS5231297A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50105983A JPS5231297A (en) 1975-09-03 1975-09-03 Plug device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50105983A JPS5231297A (en) 1975-09-03 1975-09-03 Plug device

Publications (2)

Publication Number Publication Date
JPS5231297A true JPS5231297A (en) 1977-03-09
JPS5730235B2 JPS5730235B2 (en) 1982-06-28

Family

ID=14421967

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50105983A Granted JPS5231297A (en) 1975-09-03 1975-09-03 Plug device

Country Status (1)

Country Link
JP (1) JPS5231297A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53118697A (en) * 1977-03-25 1978-10-17 Hitachi Ltd Main steam water seal plug
JPS5546134A (en) * 1978-09-29 1980-03-31 Hitachi Ltd Method and plug for sealing main steam nozzle
JPS62148992U (en) * 1986-03-13 1987-09-21

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53118697A (en) * 1977-03-25 1978-10-17 Hitachi Ltd Main steam water seal plug
JPS5821716B2 (en) * 1977-03-25 1983-05-02 株式会社日立製作所 Main steam water seal plug
JPS5546134A (en) * 1978-09-29 1980-03-31 Hitachi Ltd Method and plug for sealing main steam nozzle
JPS62148992U (en) * 1986-03-13 1987-09-21

Also Published As

Publication number Publication date
JPS5730235B2 (en) 1982-06-28

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