Abrading – Abrading process – Utilizing fluent abradant
Patent
1996-01-02
1997-12-23
Smith, James G.
Abrading
Abrading process
Utilizing fluent abradant
451 75, 451 41, B24B 100, B24C 100
Patent
active
057001812
ABSTRACT:
A method and apparatus for polishing a glass surface by directing an abrasive fluid through a nozzle exit maintained in close proximity to the surface. The fluid is constrained between the nozzle exit and the surface so the fluid flows radially outwardly tangential to the surface as it changes from high pressure in the nozzle to high velocity in the tangential direction. Polishing is controlled by regulating the proximity of the nozzle exit to the surface. Apparatus is provided including a nozzle extension for delivering the abrasive liquid to the surface and a nozzle body supporting the extension for relative movement automatically to balance the axial forces on the nozzle extension.
REFERENCES:
patent: 4195450 (1980-04-01), Korb et al.
patent: 4528782 (1985-07-01), Bean
patent: 4704826 (1987-11-01), Kurkland
patent: 4711056 (1987-12-01), Herrington et al.
patent: 4716690 (1988-01-01), Szues
patent: 4872290 (1989-10-01), Jenkinson et al.
patent: 5011443 (1991-04-01), Park
patent: 5018670 (1991-05-01), Chalmers
patent: 5139202 (1992-08-01), Munoz et al.
"An Accelerated Deep Polishing Method For Glass" Feb. '81; p. 124; M. A. Kalinina et al.
Armstrong Neil Dean
Crowe David Arthur
Hashish Mohamed Ahmed
Banks Derris H.
Close Thomas H.
Eastman Kodak Company
Smith James G.
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