US Patent: 1,130,542 - Screw-cutting die


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US Patent: 1,130,542

Screw-cutting die

Patentee:

Whitman Russell (exact or similar names) - Greenfield, MA

USPTO Classifications:

408/162, 408/180

Tool Categories:

industrial tools : taps and dies

metalworking tools : taps and dies

Assignees:

Russell Mfg. Co. - Greenfield, MA

Manufacturer:

Greenfield Tap & Die Corp. - Greenfield, MA

Russell Mfg. Co. - Greenfield, MA

Witnesses:

John C. Lee

Ellen K. O'Keefe

Patent Dates:
Applied:	Apr. 28, 1914
Granted:	Mar. 02, 1915

Patent Pictures:

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Vintage Machinery entry for Greenfield Tap & Die Corp.

Description:

This screw-cutting die has teeth that can cut in either direction so that when the die gets dull it can be flipped over to use the fresh cutting edges.