US Patent: 336,695
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| Flexible Abrasive or Polishing Disk
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Patentee:
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| Joseph W. Byers (exact or similar names) - Charleston, Coles County, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 21, 1885 |
| Granted: |
Feb. 23, 1886 |
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Joel Havens
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Description: |
| Abstract:
The invention consists in a disk having a circular body of flexible material and circular outside layers of flexible material having an abrasive substance on and over their outer faces on opposite sides of the body to which they are cemented, and arranged to project beyond the perimeter of said body. This flexible, pliable, and elastic disk, when used for the purpose for which it is 'especially designed-namely for dressing and finishing rubber plates and artificial dentures is carried on the mandrel of a lathe such as used by dentists in connection with their laboratory-work.
Claim:
The within-described flexible abrading or flexible material and circular layers of flexible abrading material secured to and over said body on its opposite sides or faces, and arranged to extend beyond the outer margin or perimeter of the body. |
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