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FR1458213A - Shutter mechanisms - Google Patents

Shutter mechanisms

Info

Publication number
FR1458213A
FR1458213A FR21976A FR21976A FR1458213A FR 1458213 A FR1458213 A FR 1458213A FR 21976 A FR21976 A FR 21976A FR 21976 A FR21976 A FR 21976A FR 1458213 A FR1458213 A FR 1458213A
Authority
FR
France
Prior art keywords
shutter mechanisms
shutter
mechanisms
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
FR21976A
Other languages
French (fr)
Inventor
Willis
S Willis Robert
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
Priority to FR21976A priority Critical patent/FR1458213A/en
Application granted granted Critical
Publication of FR1458213A publication Critical patent/FR1458213A/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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/48—Mechanical actuating means actuated by mechanical timing-device, e.g. with dash-pot

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR21976A 1965-06-23 1965-06-23 Shutter mechanisms Expired FR1458213A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR21976A FR1458213A (en) 1965-06-23 1965-06-23 Shutter mechanisms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR21976A FR1458213A (en) 1965-06-23 1965-06-23 Shutter mechanisms

Publications (1)

Publication Number Publication Date
FR1458213A true FR1458213A (en) 1966-03-04

Family

ID=8582880

Family Applications (1)

Application Number Title Priority Date Filing Date
FR21976A Expired FR1458213A (en) 1965-06-23 1965-06-23 Shutter mechanisms

Country Status (1)

Country Link
FR (1) FR1458213A (en)

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