JPS51144892A - Clearance making process and apparatus for seismoproof shear-keys - Google Patents

Clearance making process and apparatus for seismoproof shear-keys

Info

Publication number
JPS51144892A
JPS51144892A JP50068546A JP6854675A JPS51144892A JP S51144892 A JPS51144892 A JP S51144892A JP 50068546 A JP50068546 A JP 50068546A JP 6854675 A JP6854675 A JP 6854675A JP S51144892 A JPS51144892 A JP S51144892A
Authority
JP
Japan
Prior art keywords
keys
shear
seismoproof
making process
clearance
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.)
Pending
Application number
JP50068546A
Other languages
Japanese (ja)
Inventor
Yoichi Nemoto
Takanao Wada
Masanori Suzuki
Toshimi Komaru
Sumio Iwashima
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 JP50068546A priority Critical patent/JPS51144892A/en
Publication of JPS51144892A publication Critical patent/JPS51144892A/en
Pending 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
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

PURPOSE: At the same time when the clearance forming jig is provided, the oppositely collocated concave and convex shear-keys are formed grooves to be engaged with the said jut enabling to turn and draw out the clearance forming jig.
COPYRIGHT: (C)1976,JPO&Japio
JP50068546A 1975-06-09 1975-06-09 Clearance making process and apparatus for seismoproof shear-keys Pending JPS51144892A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50068546A JPS51144892A (en) 1975-06-09 1975-06-09 Clearance making process and apparatus for seismoproof shear-keys

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50068546A JPS51144892A (en) 1975-06-09 1975-06-09 Clearance making process and apparatus for seismoproof shear-keys

Publications (1)

Publication Number Publication Date
JPS51144892A true JPS51144892A (en) 1976-12-13

Family

ID=13376849

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50068546A Pending JPS51144892A (en) 1975-06-09 1975-06-09 Clearance making process and apparatus for seismoproof shear-keys

Country Status (1)

Country Link
JP (1) JPS51144892A (en)

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