FR487885A - Improvements to valve lapping machines - Google Patents
Improvements to valve lapping machinesInfo
- Publication number
- FR487885A FR487885A FR487885DA FR487885A FR 487885 A FR487885 A FR 487885A FR 487885D A FR487885D A FR 487885DA FR 487885 A FR487885 A FR 487885A
- Authority
- FR
- France
- Prior art keywords
- lapping machines
- valve lapping
- valve
- machines
- lapping
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B15/00—Machines or devices designed for grinding seat surfaces; Accessories therefor
- B24B15/08—Machines or devices designed for grinding seat surfaces; Accessories therefor for grinding co-operating seat surfaces by moving one over the other
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US487885XA | 1916-12-11 | 1916-12-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR487885A true FR487885A (en) | 1918-08-02 |
Family
ID=1524311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR487885D Expired FR487885A (en) | 1916-12-11 | 1917-12-06 | Improvements to valve lapping machines |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR487885A (en) |
-
1917
- 1917-12-06 FR FR487885D patent/FR487885A/en not_active Expired
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