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)

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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
DE9403603U1 (de) * 1994-03-03 1994-05-19 P + S Armaturen GmbH, 66482 Zweibrücken Ausblaseinheit für Absperrschieber in Rohrleitungen
DE9403604U1 (de) * 1994-03-03 1994-05-19 P + S Armaturen GmbH, 66482 Zweibrücken Absperrschieber für 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
US8057472B2 (en) 2007-10-30 2011-11-15 Ellipse Technologies, Inc. Skeletal manipulation method
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
RU2016101629A (ru) 2009-09-04 2018-12-04 Нувэйсив Спешилайзд Ортопэдикс, Инк. Устройство и способ для наращивания кости
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
US8852187B2 (en) 2011-02-14 2014-10-07 Ellipse Technologies, Inc. Variable length device and method
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
CA2889769A1 (en) 2012-10-29 2014-05-08 Ellipse Technologies, Inc. Adjustable devices for treating arthritis of the knee
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
AU2015253313B9 (en) 2014-04-28 2020-09-10 Nuvasive Specialized Orthopedics, Inc. System for informational magnetic feedback in adjustable implants
US11149869B2 (en) * 2014-07-07 2021-10-19 Flowserve Management Company Valve assemblies, valve seats including flexible arms, and related methods
KR102559778B1 (ko) 2014-10-23 2023-07-26 누베이시브 스페셜라이즈드 오소페딕스, 인크. 원격으로 조정 가능한 상호작용적 뼈 재성형 임플란트
KR20230116081A (ko) 2014-12-26 2023-08-03 누베이시브 스페셜라이즈드 오소페딕스, 인크. 신연을 위한 시스템 및 방법
WO2016134326A2 (en) 2015-02-19 2016-08-25 Nuvasive, Inc. Systems and methods for vertebral adjustment
US9885420B2 (en) * 2015-05-07 2018-02-06 Sri Energy, Inc. Gate valve
EP4218609B1 (en) 2015-10-16 2026-02-25 NuVasive Specialized Orthopedics, Inc. Adjustable devices for treating arthritis of the knee
JP6953409B2 (ja) 2015-12-10 2021-10-27 ニューベイシブ スペシャライズド オーソペディックス，インコーポレイテッド 伸延デバイス用の外部調整デバイス
JP6888015B2 (ja) 2016-01-28 2021-06-16 ニューベイシブ スペシャライズド オーソペディックス，インコーポレイテッド 骨移動のためのシステム
WO2017139548A1 (en) 2016-02-10 2017-08-17 Nuvasive Specialized Orthopedics, Inc. Systems and methods for controlling multiple surgical variables
EP3922039A1 (en) 2019-02-07 2021-12-15 NuVasive Specialized Orthopedics, Inc. Ultrasonic communication in medical devices
US11589901B2 (en) 2019-02-08 2023-02-28 Nuvasive Specialized Orthopedics, Inc. External adjustment device
JP7496869B2 (ja) 2019-09-03 2024-06-07 ニューベイシブ スペシャライズド オーソペディックス，インコーポレイテッド ダイナミックインプラントのための音響レポート
US11725738B2 (en) * 2019-10-24 2023-08-15 Oil States Energy Services, L.L.C. Valve assembly method
WO2021127310A1 (en) * 2019-12-18 2021-06-24 Cameron International Corporation Valve insert system
WO2022055678A1 (en) 2020-09-08 2022-03-17 Nuvasive Specialized Orthopedics, Inc. Remote control module for adjustable implants
AU2022225229A1 (en) 2021-02-23 2023-09-21 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
US12551240B2 (en) 2022-06-13 2026-02-17 Nuvasive Inc. Distraction loss magnet on-off mechanism
US20250035219A1 (en) * 2022-06-28 2025-01-30 Zp Interests, Llc Pressure energized gate valve seat and seal assembly
US12458417B2 (en) 2022-08-15 2025-11-04 Nuvasive Specialized Orthopedics Inc. Intermedullary lengthening implant with integrated load sensor
US12508058B2 (en) 2022-10-07 2025-12-30 Nuvasive Specialized Orthopedics, Inc. Adjustable tether implant
US12558133B2 (en) 2023-04-25 2026-02-24 Nuvasive, Inc. Flat plate mechanisms for bone lengthening
US12533164B2 (en) 2023-05-03 2026-01-27 Nuvasive Specialized Orthopedics, Inc. Adjustable implant
US20250264161A1 (en) * 2024-02-20 2025-08-21 Spm Oil & Gas Inc. Valve assembly

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

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