FR2353770B1 - - Google Patents

Info

Publication number
FR2353770B1
FR2353770B1 FR7616990A FR7616990A FR2353770B1 FR 2353770 B1 FR2353770 B1 FR 2353770B1 FR 7616990 A FR7616990 A FR 7616990A FR 7616990 A FR7616990 A FR 7616990A FR 2353770 B1 FR2353770 B1 FR 2353770B1
Authority
FR
France
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
FR7616990A
Other languages
French (fr)
Other versions
FR2353770A1 (fr
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.)
VRACO SYSTEMES
Original Assignee
VRACO SYSTEMES
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 VRACO SYSTEMES filed Critical VRACO SYSTEMES
Priority to FR7616990A priority Critical patent/FR2353770A1/fr
Publication of FR2353770A1 publication Critical patent/FR2353770A1/fr
Application granted granted Critical
Publication of FR2353770B1 publication Critical patent/FR2353770B1/fr
Granted legal-status Critical Current

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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable 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)
  • Physics & Mathematics (AREA)
  • Architecture (AREA)
  • Fluid Mechanics (AREA)
  • Sealing Devices (AREA)
FR7616990A 1976-06-04 1976-06-04 Procede d'obtention d'etancheite et dispositif de mise en oeuvre de ce procede Granted FR2353770A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7616990A FR2353770A1 (fr) 1976-06-04 1976-06-04 Procede d'obtention d'etancheite et dispositif de mise en oeuvre de ce procede

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7616990A FR2353770A1 (fr) 1976-06-04 1976-06-04 Procede d'obtention d'etancheite et dispositif de mise en oeuvre de ce procede

Publications (2)

Publication Number Publication Date
FR2353770A1 FR2353770A1 (fr) 1977-12-30
FR2353770B1 true FR2353770B1 (sh) 1981-06-19

Family

ID=9174023

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7616990A Granted FR2353770A1 (fr) 1976-06-04 1976-06-04 Procede d'obtention d'etancheite et dispositif de mise en oeuvre de ce procede

Country Status (1)

Country Link
FR (1) FR2353770A1 (sh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2834776B1 (fr) * 2002-01-15 2004-04-02 Vraco Sa Trappe de desenfumage
CN103032594A (zh) * 2011-09-30 2013-04-10 上海纽京工业设备有限公司 超耐磨滑板阀
CN107524856B (zh) * 2017-09-21 2019-02-19 安徽荣达阀门有限公司 一种全密封零泄露球阀
CN113202941A (zh) * 2021-04-01 2021-08-03 武汉策尔曼自动化设备有限公司 一种用于眼镜阀的松开夹紧机构及操作方法

Also Published As

Publication number Publication date
FR2353770A1 (fr) 1977-12-30

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Legal Events

Date Code Title Description
ST Notification of lapse