IT1077424B - Tenuta per sede di valvola a saracinesca - Google Patents

Tenuta per sede di valvola a saracinesca

Info

Publication number
IT1077424B
IT1077424B IT26207/77A IT2620777A IT1077424B IT 1077424 B IT1077424 B IT 1077424B IT 26207/77 A IT26207/77 A IT 26207/77A IT 2620777 A IT2620777 A IT 2620777A IT 1077424 B IT1077424 B IT 1077424B
Authority
IT
Italy
Prior art keywords
seal
valve seat
gate valve
gate
seat
Prior art date
Application number
IT26207/77A
Other languages
English (en)
Original Assignee
Acf Ind Inc
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 Acf Ind Inc filed Critical Acf Ind Inc
Application granted granted Critical
Publication of IT1077424B publication Critical patent/IT1077424B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/0227—Packings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
    • F16K3/20—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats
    • F16K3/207—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats by means of hydraulic forces

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Sliding Valves (AREA)
IT26207/77A 1976-09-13 1977-07-27 Tenuta per sede di valvola a saracinesca IT1077424B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/722,893 US4068821A (en) 1976-09-13 1976-09-13 Valve seat ring having a corner groove to receive an elastic seal ring

Publications (1)

Publication Number Publication Date
IT1077424B true IT1077424B (it) 1985-05-04

Family

ID=24903856

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26207/77A IT1077424B (it) 1976-09-13 1977-07-27 Tenuta per sede di valvola a saracinesca

Country Status (7)

Country Link
US (1) US4068821A (it)
JP (1) JPS5336029A (it)
AU (1) AU512390B2 (it)
CA (1) CA1064889A (it)
GB (1) GB1591053A (it)
IT (1) IT1077424B (it)
MX (1) MX144751A (it)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4577834A (en) * 1981-09-08 1986-03-25 Oliver John P Downstream sealing device
US5624101A (en) * 1983-11-14 1997-04-29 Beson; John Dual seal valve
JPS645497Y2 (it) * 1984-11-08 1989-02-10
DE9403604U1 (de) * 1994-03-03 1994-05-19 P + S Armaturen GmbH, 66482 Zweibrücken Absperrschieber für Rohrleitungen
DE9403603U1 (de) * 1994-03-03 1994-05-19 P + S Armaturen GmbH, 66482 Zweibrücken Ausblaseinheit für Absperrschieber in Rohrleitungen
US6966537B2 (en) * 2003-03-11 2005-11-22 Worldwide Oilfield Machine, Inc. Valve with seat assembly
US8037871B2 (en) * 2003-08-12 2011-10-18 Cameron International Corporation Seal assembly for a pressurized fuel feed system for an internal combustion engine
US7955357B2 (en) 2004-07-02 2011-06-07 Ellipse Technologies, Inc. Expandable rod system to treat scoliosis and method of using the same
US7862502B2 (en) 2006-10-20 2011-01-04 Ellipse Technologies, Inc. Method and apparatus for adjusting a gastrointestinal restriction device
US20090112263A1 (en) 2007-10-30 2009-04-30 Scott Pool Skeletal manipulation system
US11202707B2 (en) 2008-03-25 2021-12-21 Nuvasive Specialized Orthopedics, Inc. Adjustable implant system
US11241257B2 (en) 2008-10-13 2022-02-08 Nuvasive Specialized Orthopedics, Inc. Spinal distraction system
US8382756B2 (en) 2008-11-10 2013-02-26 Ellipse Technologies, Inc. External adjustment device for distraction device
US8197490B2 (en) 2009-02-23 2012-06-12 Ellipse Technologies, Inc. Non-invasive adjustable distraction system
US9622792B2 (en) 2009-04-29 2017-04-18 Nuvasive Specialized Orthopedics, Inc. Interspinous process device and method
US8449543B2 (en) 2009-09-04 2013-05-28 Ellipse Technologies, Inc. Bone growth device and method
US9248043B2 (en) 2010-06-30 2016-02-02 Ellipse Technologies, Inc. External adjustment device for distraction device
US8734488B2 (en) 2010-08-09 2014-05-27 Ellipse Technologies, Inc. Maintenance feature in magnetic implant
WO2012112396A2 (en) 2011-02-14 2012-08-23 Ellipse Technologies, Inc. Device and method for treating fractured bones
US10743794B2 (en) 2011-10-04 2020-08-18 Nuvasive Specialized Orthopedics, Inc. Devices and methods for non-invasive implant length sensing
US10016220B2 (en) 2011-11-01 2018-07-10 Nuvasive Specialized Orthopedics, Inc. Adjustable magnetic devices and methods of using same
US20130338714A1 (en) 2012-06-15 2013-12-19 Arvin Chang Magnetic implants with improved anatomical compatibility
CN102758925A (zh) * 2012-07-18 2012-10-31 嘉士凯（苏州）阀门配件有限公司 一种高低压混用闸阀
US9044281B2 (en) 2012-10-18 2015-06-02 Ellipse Technologies, Inc. Intramedullary implants for replacing lost bone
IN2015DN03762A (it) 2012-10-29 2015-10-02 Ellipse Technologies Inc
US9179938B2 (en) 2013-03-08 2015-11-10 Ellipse Technologies, Inc. Distraction devices and method of assembling the same
US10226242B2 (en) 2013-07-31 2019-03-12 Nuvasive Specialized Orthopedics, Inc. Noninvasively adjustable suture anchors
US9801734B1 (en) 2013-08-09 2017-10-31 Nuvasive, Inc. Lordotic expandable interbody implant
US10751094B2 (en) 2013-10-10 2020-08-25 Nuvasive Specialized Orthopedics, Inc. Adjustable spinal implant
DE102014001726A1 (de) * 2014-02-07 2015-08-13 Walter Kramer Schieberventil
CN106456215B (zh) 2014-04-28 2020-04-10 诺威适骨科专科公司 用于调整医疗植入物的外部调整装置
US11149869B2 (en) * 2014-07-07 2021-10-19 Flowserve Management Company Valve assemblies, valve seats including flexible arms, and related methods
WO2016065205A1 (en) 2014-10-23 2016-04-28 Ellipse Technologies, Inc. Remotely adjustable interactive bone reshaping implant
EP4005515B1 (en) 2014-12-26 2024-07-24 NuVasive Specialized Orthopedics, Inc. Systems for distraction
US10238427B2 (en) 2015-02-19 2019-03-26 Nuvasive Specialized Orthopedics, Inc. Systems and methods for vertebral adjustment
US9885420B2 (en) * 2015-05-07 2018-02-06 Sri Energy, Inc. Gate valve
EP3361960B1 (en) 2015-10-16 2023-05-10 NuVasive Specialized Orthopedics, Inc. Adjustable devices for treating arthritis of the knee
EP4275631A3 (en) 2015-12-10 2024-02-28 NuVasive Specialized Orthopedics, Inc. External adjustment device for distraction device
ES2805657T3 (es) 2016-01-28 2021-02-15 Nuvasive Specialized Orthopedics Inc Sistemas para transporte óseo
WO2017139548A1 (en) 2016-02-10 2017-08-17 Nuvasive Specialized Orthopedics, Inc. Systems and methods for controlling multiple surgical variables
US11577097B2 (en) 2019-02-07 2023-02-14 Nuvasive Specialized Orthopedics, Inc. Ultrasonic communication in medical devices
US11589901B2 (en) 2019-02-08 2023-02-28 Nuvasive Specialized Orthopedics, Inc. External adjustment device
US11725738B2 (en) * 2019-10-24 2023-08-15 Oil States Energy Services, L.L.C. Valve assembly method
AR120827A1 (es) * 2019-12-18 2022-03-23 Cameron Tech Ltd Sistema de inserción de válvula
US20220265324A1 (en) 2021-02-23 2022-08-25 Nuvasive Specialized Orthopedics, Inc. Adjustable implant, system and methods
US11737787B1 (en) 2021-05-27 2023-08-29 Nuvasive, Inc. Bone elongating devices and methods of use
WO2023014564A1 (en) 2021-08-03 2023-02-09 Nuvasive Specialized Orthopedics, Inc. Adjustable implant

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2985189A (en) * 1959-02-27 1961-05-23 Miller Printing Machinery Co Seals for valves and the like
US3215157A (en) * 1963-01-30 1965-11-02 Acf Ind Inc Valve seat structure having pressureactuated seal means
US3307826A (en) * 1963-12-02 1967-03-07 Acf Ind Inc Bifaced gate valve
US3301523A (en) * 1964-04-17 1967-01-31 Acf Ind Inc Resilient valve seats with rentenion means

Also Published As

Publication number Publication date
US4068821A (en) 1978-01-17
MX144751A (es) 1981-11-19
AU2867777A (en) 1979-03-15
CA1064889A (en) 1979-10-23
AU512390B2 (en) 1980-10-09
GB1591053A (en) 1981-06-10
JPS5336029A (en) 1978-04-04

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