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GB Patent: GB-934,075
A tool for performing a finishing operation on a bore surface in a metal workpiece
Rolling or burnishing a bore surface
Patentee:
Douglas Ernest Graham (exact or similar names) - Worcester, England

USPTO Classifications:

Tool Categories:
metalworking machines : drilling and boring : drill presses : drill press accessories

Assignees:
James Archdale & Co. Ltd. - Worcester, England

Manufacturer:
James Archdale & Co. Ltd. - Worcester, England

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 08, 1961
Granted: Aug. 14, 1963

Patent Pictures:
Espacenet patent
Report data errors or omissions to steward Jeff Joslin
"Vintage Machinery" entry for James Archdale & Co.
Description:
"A rolling or burnishing tool in accordance with the present invention comprises a perforated cylindrical cage in which is contained a quantity of loose hard balls having a diameter greater than the diameter of the perforations in the cage, so that some at least of the balls can partially project through said perforations..."

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