FR803928A - Process improvements for the manufacture of hollow valves - Google Patents
Process improvements for the manufacture of hollow valvesInfo
- Publication number
- FR803928A FR803928A FR803928DA FR803928A FR 803928 A FR803928 A FR 803928A FR 803928D A FR803928D A FR 803928DA FR 803928 A FR803928 A FR 803928A
- Authority
- FR
- France
- Prior art keywords
- manufacture
- process improvements
- hollow valves
- valves
- hollow
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE803928X | 1935-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR803928A true FR803928A (en) | 1936-10-12 |
Family
ID=6722013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR803928D Expired FR803928A (en) | 1935-08-17 | 1936-04-02 | Process improvements for the manufacture of hollow valves |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR803928A (en) |
-
1936
- 1936-04-02 FR FR803928D patent/FR803928A/en not_active Expired
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