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US Patent: 431,610
Reamer Attachment for Die Stocks
Emil Traugott Mueller - La Crosse, WI

USPTO Classifications:

Tool Categories:
metalworking machines : drilling and boring : drill bits : reamers


Not known to have been produced

George H. Volner
Charles B. Miller
L. C. Hills
E. H. Bond

Patent Dates:
Applied: Jan. 28, 1890
Granted: Jul. 08, 1890

Patent Pictures:
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Charles H. Fowler - patent attorney

My invention relates to improvements in a reaming attachment, which can be attached to any screw-plate or die-stock used for threading steam, gas, or water pipe. The object is to ream out the burr at the end of the pipe or pipes caused by the cutting-off tool, the pipe being reamed at the same time that a thread is being cut on it.

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