FR688642A - Improvements to valve tubes - Google Patents

Improvements to valve tubes

Info

Publication number
FR688642A
FR688642A FR688642DA FR688642A FR 688642 A FR688642 A FR 688642A FR 688642D A FR688642D A FR 688642DA FR 688642 A FR688642 A FR 688642A
Authority
FR
France
Prior art keywords
valve tubes
tubes
valve
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
John Carroll Crowley
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 FR688642A publication Critical patent/FR688642A/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
    • F16K15/20—Check valves specially designed for inflatable bodies, e.g. tyres

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR688642D 1930-01-21 1930-01-21 Improvements to valve tubes Expired FR688642A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR688642T 1930-01-21

Publications (1)

Publication Number Publication Date
FR688642A true FR688642A (en) 1930-08-27

Family

ID=9026838

Family Applications (1)

Application Number Title Priority Date Filing Date
FR688642D Expired FR688642A (en) 1930-01-21 1930-01-21 Improvements to valve tubes

Country Status (1)

Country Link
FR (1) FR688642A (en)

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