US Patent: 467,067 - Combination die-stock and reamer


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US Patent: 467,067

Combination die-stock and reamer

Patentee:

William Vanderman (exact or similar names) - Willimantic, CT

USPTO Classifications:

408/215, 408/224, 408/233, 82/128

Tool Categories:

wrenches : tap wrenches and die stocks

specialty tools : pipe reamers

Assignees:

None

Manufacturer:

Vanderman Plumbing & Heating Co. - Willimantic, CT

Witnesses:

T. W. Porter

Eugene Humphrey

Patent Dates:
Applied:	May 12, 1891
Granted:	Jan. 12, 1892

Patent Pictures:

USPTO (New site tip)
Google Patents
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Vintage Machinery entry for Vanderman Plumbing & Heating Co.

Description:

The opening in this pipe-threading die-stock serves two additional purposes: it reams the outside of the pipe to a consistent outer diameter, and it aligns the die-stock to the axis of the pipe to keep the threads straight.