IT940742B - Saracinesca ad otturatore com pensato e stagno - Google Patents

Saracinesca ad otturatore com pensato e stagno

Info

Publication number
IT940742B
IT940742B IT3143671A IT3143671A IT940742B IT 940742 B IT940742 B IT 940742B IT 3143671 A IT3143671 A IT 3143671A IT 3143671 A IT3143671 A IT 3143671A IT 940742 B IT940742 B IT 940742B
Authority
IT
Italy
Prior art keywords
thinked
waterproof
gate shutter
com
shutter com
Prior art date
Application number
IT3143671A
Other languages
English (en)
Original Assignee
Jouvenel & Cordier
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 Jouvenel & Cordier filed Critical Jouvenel & Cordier
Application granted granted Critical
Publication of IT940742B publication Critical patent/IT940742B/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
    • F16K39/00—Devices for relieving the pressure on the sealing faces
    • F16K39/02—Devices for relieving the pressure on the sealing faces for lift valves
    • F16K39/024—Devices for relieving the pressure on the sealing faces for lift valves using an auxiliary valve on the main valve
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding Valves (AREA)
  • Lift Valve (AREA)
IT3143671A 1971-03-23 1971-11-22 Saracinesca ad otturatore com pensato e stagno IT940742B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7110103A FR2130842A5 (it) 1971-03-23 1971-03-23

Publications (1)

Publication Number Publication Date
IT940742B true IT940742B (it) 1973-02-20

Family

ID=9073971

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3143671A IT940742B (it) 1971-03-23 1971-11-22 Saracinesca ad otturatore com pensato e stagno

Country Status (5)

Country Link
BE (1) BE774598A (it)
DE (1) DE2205449A1 (it)
FR (1) FR2130842A5 (it)
GB (1) GB1356865A (it)
IT (1) IT940742B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2439919A1 (fr) * 1978-10-23 1980-05-23 Dion Biro Guy Robinet a clapet pour reservoirs de stockage de gaz a haute pression

Also Published As

Publication number Publication date
BE774598A (fr) 1972-02-14
GB1356865A (en) 1974-06-19
DE2205449A1 (de) 1972-10-12
FR2130842A5 (it) 1972-11-10

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