FR1155574A - Sealed shut-off shutter, especially for ventilation ducts - Google Patents

Sealed shut-off shutter, especially for ventilation ducts

Info

Publication number
FR1155574A
FR1155574A FR1155574DA FR1155574A FR 1155574 A FR1155574 A FR 1155574A FR 1155574D A FR1155574D A FR 1155574DA FR 1155574 A FR1155574 A FR 1155574A
Authority
FR
France
Prior art keywords
shutter
ventilation ducts
sealed shut
shut
sealed
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
Other languages
French (fr)
Inventor
Louis Julien
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 filed Critical
Application granted granted Critical
Publication of FR1155574A publication Critical patent/FR1155574A/en
Expired 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
    • 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
    • F16K3/22—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 sealing faces shaped as surfaces of solids of revolution
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
FR1155574D 1956-07-06 1956-07-06 Sealed shut-off shutter, especially for ventilation ducts Expired FR1155574A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1155574T 1956-07-06

Publications (1)

Publication Number Publication Date
FR1155574A true FR1155574A (en) 1958-05-06

Family

ID=9649639

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1155574D Expired FR1155574A (en) 1956-07-06 1956-07-06 Sealed shut-off shutter, especially for ventilation ducts

Country Status (1)

Country Link
FR (1) FR1155574A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150021507A1 (en) * 2013-07-18 2015-01-22 Valentin POSTEVKA Cylindrical valve assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150021507A1 (en) * 2013-07-18 2015-01-22 Valentin POSTEVKA Cylindrical valve assembly
US10012321B2 (en) * 2013-07-18 2018-07-03 Valentin POSTEVKA Cylindrical valve assembly

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