FR636642A - - Google Patents
Info
- Publication number
- FR636642A FR636642A FR636642DA FR636642A FR 636642 A FR636642 A FR 636642A FR 636642D A FR636642D A FR 636642DA FR 636642 A FR636642 A FR 636642A
- 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
- F16K15/02—Check valves with guided rigid valve members
- F16K15/08—Check valves with guided rigid valve members shaped as rings
- F16K15/12—Springs for ring valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR636642A true FR636642A (xx) | 1928-04-13 |
Family
ID=1542480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR636642D Expired FR636642A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR636642A (xx) |
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0
- FR FR636642D patent/FR636642A/fr not_active Expired