CA949467A - Hydraulic head closure mechanism - Google Patents

Hydraulic head closure mechanism

Info

Publication number
CA949467A
CA949467A CA114,151A CA114151A CA949467A CA 949467 A CA949467 A CA 949467A CA 114151 A CA114151 A CA 114151A CA 949467 A CA949467 A CA 949467A
Authority
CA
Canada
Prior art keywords
closure mechanism
hydraulic head
head closure
hydraulic
head
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
Application number
CA114,151A
Inventor
Erling Frisch
Harry N. Andrews
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA949467A publication Critical patent/CA949467A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B29/00—Accessories
    • B25B29/02—Bolt tensioners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • B23P19/06—Screw or nut setting or loosening machines
    • B23P19/067—Bolt tensioners
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C13/00—Pressure vessels; Containment vessels; Containment in general
    • G21C13/02—Details
    • G21C13/06—Sealing-plugs
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/916—Bolt having tension feature
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/20—Clamps
    • Y10T292/221—Screw and nut
    • Y10T292/223—Swingable

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
CA114,151A 1970-07-08 1971-05-28 Hydraulic head closure mechanism Expired CA949467A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5319870 US3837694A (en) 1970-07-08 1970-07-08 Hydraulic head closure mechanism

Publications (1)

Publication Number Publication Date
CA949467A true CA949467A (en) 1974-06-18

Family

ID=21982563

Family Applications (1)

Application Number Title Priority Date Filing Date
CA114,151A Expired CA949467A (en) 1970-07-08 1971-05-28 Hydraulic head closure mechanism

Country Status (11)

Country Link
US (1) US3837694A (en)
JP (1) JPS5315916Y2 (en)
AT (1) AT315972B (en)
BE (1) BE769665A (en)
CA (1) CA949467A (en)
CH (1) CH543693A (en)
DE (1) DE2130590A1 (en)
FR (1) FR2100337A5 (en)
GB (1) GB1299567A (en)
NL (1) NL7109382A (en)
SE (1) SE361077B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2306947C2 (en) * 1973-02-13 1974-08-15 Siempelkamp Giesserei Kg, 4150 Krefeld Prestressed pressure vessel for nuclear reactors
GB1499291A (en) * 1975-01-10 1978-01-25 Westinghouse Electric Corp Nuclear reactor apparatus
FR2329414A1 (en) * 1975-10-27 1977-05-27 Skf Cie Applic Mecanique MULTI-STAGE HYDRAULIC TENSIONER FOR PRE-STRESSED BOLTS OR STUDS
US4075923A (en) * 1976-06-17 1978-02-28 Latham Raymond E Fastener tensioning apparatus
DE2749536C3 (en) * 1977-11-03 1980-09-04 Kraftwerk Union Ag, 4330 Muelheim Arrangement for measuring the preload of a screw bolt used in particular to close a reactor pressure vessel
DE2749538C3 (en) * 1977-11-03 1980-09-04 Kraftwerk Union Ag, 4330 Muelheim Arrangement for measuring the preload of a threaded bolt used in particular to close a reactor pressure vessel
DE2749537C3 (en) * 1977-11-03 1980-09-04 Kraftwerk Union Ag, 4330 Muelheim Arrangement for measuring the preload of a screw bolt used in particular to close a reactor pressure vessel
DE2952025C2 (en) * 1979-12-22 1985-02-28 Brown Boveri Reaktor GmbH, 6800 Mannheim Nozzle lead-through
US4452753A (en) * 1982-02-26 1984-06-05 Combustion Engineering, Inc. Apparatus for cleaning and inspecting closure studs of a nuclear reactor vessel
US4454790A (en) * 1982-04-30 1984-06-19 Westinghouse Electric Corp. Bolt stretch measurement device
FR2540574A1 (en) * 1983-02-04 1984-08-10 Electricite De France METHOD AND DEVICE FOR MOUNTING A SEALED SCREW CONNECTION ASSEMBLY, PARTICULARLY FOR CONNECTING A DIP ELEMENT TO A SPEAKER
ATE108360T1 (en) * 1987-09-29 1994-07-15 John Wentworth Bucknell POWER GENERATOR.
GB2291155B (en) * 1994-07-15 1998-04-08 Hydra Tight Ltd Hydraulic bolt tensioning arrangement
US5589640A (en) * 1996-04-03 1996-12-31 Butler; Patrick J. Method for detecting changes in preload on a tie rod installed as part of a core shroud repair in a boiling water reactor
US7066699B2 (en) * 2002-12-16 2006-06-27 Siemens Westinghouse Power Corporation Tensioning apparatus and method
US6840726B2 (en) * 2002-12-16 2005-01-11 Siemens Westinghouse Power Corporation Tensioning apparatus and method
DE102004043145B3 (en) * 2004-09-03 2006-05-18 Hohmann, Jörg Hydraulic bolt tensioning device
US7434349B2 (en) * 2005-05-17 2008-10-14 Gary Bennis Slip bobber rig
FR2905460B1 (en) * 2006-09-01 2009-08-07 Skf Ab METHOD AND DEVICE FOR CONTROLLING HYDRAULIC CLAMPING OF ONE OR MORE BOLTS.
EP2346643B2 (en) * 2008-11-14 2022-09-28 Wagner Vermögensverwaltungs-GmbH & Co. KG Screw tensioning device
DE102018107657A1 (en) * 2018-03-29 2019-10-02 Frank Hohmann Device for tightening screw connections

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL201077A (en) * 1954-10-18 1900-01-01
US2844021A (en) * 1955-04-29 1958-07-22 Crane Co Valve locking device
US3130628A (en) * 1958-10-06 1964-04-28 Moeller & Neumann Gmbh Arrangement for elongating a stay bolt means or tension anchor independently of nut means associated therewith
SU135079A1 (en) * 1960-03-16 1960-11-30 Ф.Я. Михалев Autoclave
US3027993A (en) * 1960-09-28 1962-04-03 United States Borax Chem Tensioning means for belt conveyors
US3154006A (en) * 1962-10-12 1964-10-27 Danly Mach Specialties Inc Tensioning system for power press tie rods
US3270906A (en) * 1963-09-25 1966-09-06 Chemical Construction Corp Closure for pressure vessels

Also Published As

Publication number Publication date
JPS5315916Y2 (en) 1978-04-26
FR2100337A5 (en) 1972-03-17
SE361077B (en) 1973-10-15
BE769665A (en) 1972-01-10
JPS52160096U (en) 1977-12-05
NL7109382A (en) 1972-01-11
US3837694A (en) 1974-09-24
CH543693A (en) 1973-10-31
AT315972B (en) 1974-06-25
DE2130590A1 (en) 1972-01-20
GB1299567A (en) 1972-12-13

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