Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1980-03-18
1982-05-25
Whitehead, Harold D.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51161, 51211R, 51347, B24B 2500
Patent
active
043309631
ABSTRACT:
An apparatus for grinding the finish of piston rings comprises a grinding sleeve having a plurality of sleeve elements forming a cylindrical hollow member, and an adjuster to move the sleeve elements in unison in the radial direction thereof to maintain for the internal diameter of the cylindrical member substantially equal to the nominal dimension of the piston ring as the grindstones on the sleeve elements are worn down.
REFERENCES:
patent: 1511165 (1924-10-01), Jaeger
patent: 2195056 (1940-03-01), Wallace
patent: 2318837 (1943-05-01), Connor
patent: 3296747 (1967-01-01), Philippsen
Shirogane Junji
Wada Masahiko
Garrett Arthur S.
Kabushiki Kaisha Riken
Whitehead Harold D.
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