GB Patent: GB-934,075
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A tool for performing a finishing operation on a bore surface in a metal workpiece Rolling or burnishing a bore surface
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Patentee:
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Douglas Ernest Graham (exact or similar names) - Worcester, England |
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Patent Dates:
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Applied: |
Jun. 08, 1961 |
Granted: |
Aug. 14, 1963 |
Espacenet patent
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Jeff Joslin "Vintage Machinery" entry for James Archdale & Co.
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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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