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US Patent: 1,906,190
Surfacing tool
Patentee:
Herbert E. Tautz (exact or similar names) - Milwaukee, WI

USPTO Classifications:
451/507

Tool Categories:
woodworking machines : sanding machines

Assignees:
Delta Mfg. Co. - Milwaukee, WI

Manufacturer:
Delta Mfg. Co. - Milwaukee, WI

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 02, 1932
Granted: Apr. 25, 1933

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Delta Specialty/Delta Mfg. Co./Delta-Rockwell/Rockwell Intl.
Description:
The 1938 Delta catalog features these "Patented Rubber-Cushion Sanding Drums", which are claimed to expand in diameter evenly across their length as opposed to other drum which inflate more at the middle than near the ends. These drums and their sandpaper sleeves were catalog Nos. 830-842 and 847, with different models having various diameters and lengths. The sleeves were available in garnet and aluminum oxide, and in coarse, medium or fine grits.

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