GB Patent: GB-191,302,571
|
| Improvement in a relating to apparatus for facing valves
|
|
Patentee:
|
|
| Harold Walker Pearn (exact or similar names) - Manchester, England |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Jan. 31, 1913 |
| Granted: |
Aug. 21, 1913 |
Espacenet patent
Report data errors or omissions to steward
Jeff Joslin
|
|
Description: |
| "(Internal-combustion engine) Valves are re-faced by a cutter or grinding-block b having an integral or detachable sleeve c containing rings of balls controlled by cones f and a nut h. More than two rings of balls may be employed, the stems being then straightened." |
|
