FR769207A - - Google Patents
Info
- Publication number
- FR769207A FR769207A FR769207DA FR769207A FR 769207 A FR769207 A FR 769207A FR 769207D A FR769207D A FR 769207DA FR 769207 A FR769207 A FR 769207A
- Authority
- FR
- France
- 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
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
- F16K15/14—Check valves with flexible valve members
- F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
- F16K15/147—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR769207A true FR769207A (en) | 1934-08-21 |
Family
ID=1551881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR769207D Expired FR769207A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR769207A (en) |
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0
- FR FR769207D patent/FR769207A/fr not_active Expired