FR721200A - Self-opening and closing shut-off valve - Google Patents

Self-opening and closing shut-off valve

Info

Publication number
FR721200A
FR721200A FR721200DA FR721200A FR 721200 A FR721200 A FR 721200A FR 721200D A FR721200D A FR 721200DA FR 721200 A FR721200 A FR 721200A
Authority
FR
France
Prior art keywords
self
valve
opening
closing shut
shut
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)
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.)
Zimmermann and Jansen GmbH
Original Assignee
Zimmermann and Jansen GmbH
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 Zimmermann and Jansen GmbH filed Critical Zimmermann and Jansen GmbH
Application granted granted Critical
Publication of FR721200A publication Critical patent/FR721200A/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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR721200D 1931-08-10 1931-08-10 Self-opening and closing shut-off valve Expired FR721200A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR721200T 1931-08-10

Publications (1)

Publication Number Publication Date
FR721200A true FR721200A (en) 1932-02-29

Family

ID=9096390

Family Applications (1)

Application Number Title Priority Date Filing Date
FR721200D Expired FR721200A (en) 1931-08-10 1931-08-10 Self-opening and closing shut-off valve

Country Status (1)

Country Link
FR (1) FR721200A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2688980A (en) * 1949-01-13 1954-09-14 Edward Valves Inc Valve equalizer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2688980A (en) * 1949-01-13 1954-09-14 Edward Valves Inc Valve equalizer

Similar Documents

Publication Publication Date Title
FR721200A (en) Self-opening and closing shut-off valve
FR747002A (en) Closing device
FR756127A (en) Intrauterine pessary with valve closure
FR710016A (en) Bottle closure
FR719992A (en) Improvements to quick-closing shut-off valves
FR759503A (en) Balanced shut-off valve
FR697796A (en) Improvements made to eyeshadow tubes or other similar articles with automatic opening and closing
FR713051A (en) Wrench for valves or shut-off valves
FR40515E (en) Quick-acting, semi-automatic shut-off valve
FR758855A (en) Closure of ladies' bags, belts and more
FR713333A (en) Valve closure
FR754709A (en) Closing device capable of rolling up
FR727358A (en) Belt closure or similar
FR734772A (en) Perfect closure
FR715897A (en) Slider closure
FR797222A (en) Improvement in the closing of containers
CA333852A (en) Valve opening and closing device
FR761368A (en) Packaging closure
FR731069A (en) Combined closure and dropper system
FR802155A (en) Closing device replacing the Spanish sliders and cremones
FR733186A (en) Round door buffer for closing tanks and amphorae
CA308785A (en) Stop and waste valve
FR718023A (en) Zipper
DK45832C (en) Door opening and door closing mechanism.
FR692327A (en) Pipes that open and close