FR664820A - Improvements in the manufacture of valves - Google Patents
Improvements in the manufacture of valvesInfo
- Publication number
- FR664820A FR664820A FR664820DA FR664820A FR 664820 A FR664820 A FR 664820A FR 664820D A FR664820D A FR 664820DA FR 664820 A FR664820 A FR 664820A
- Authority
- FR
- France
- Prior art keywords
- valves
- manufacture
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR664820T | 1928-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR664820A true FR664820A (en) | 1929-09-09 |
Family
ID=9012900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR664820D Expired FR664820A (en) | 1928-11-29 | 1928-11-29 | Improvements in the manufacture of valves |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR664820A (en) |
-
1928
- 1928-11-29 FR FR664820D patent/FR664820A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR769879A (en) | Improvements in the manufacture of artificial materials | |
FR645069A (en) | Improvements in the manufacture of round tiles | |
FR682877A (en) | Improvements in the manufacture of suppositories | |
FR664820A (en) | Improvements in the manufacture of valves | |
FR670961A (en) | Improvements in the construction of hydraulic valves | |
FR707959A (en) | Improvements in the manufacture of mirrors | |
FR690324A (en) | Improvements in the making of tennis shoes | |
FR36807E (en) | Improvements in shoe manufacturing | |
FR689238A (en) | Improvements in the manufacture of yeasts | |
FR725962A (en) | Improvements in the manufacture of tracks | |
FR684144A (en) | Improvements in the manufacture of artificial materials | |
FR641386A (en) | Improvement in the manufacture of espadrilles | |
FR638957A (en) | Improvements in the manufacture of dextrose | |
FR651242A (en) | Improvements in the manufacture of cast iron | |
FR653272A (en) | Improvement in the manufacture of reconstituted stone | |
FR656630A (en) | Improvements in the manufacture of windshields | |
FR661262A (en) | Improvement in the making of hats | |
FR690094A (en) | Improvements in the manufacture of mercaptobenzthiazol | |
FR654657A (en) | Improvements in the manufacture of wheels | |
FR650370A (en) | Improvements in shoe manufacturing | |
FR602615A (en) | Improvements in the manufacture of gelatin | |
FR602616A (en) | Improvements in the manufacture of gelatin | |
FR672626A (en) | Improvements in the manufacture of catalysts | |
FR679113A (en) | Improvement in the manufacture of cookies | |
FR669865A (en) | Improvements in the manufacture of synthetic resins |