US Patent: 2,053,470 - Apparatus for Machining Cylindrical Surfaces


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US Patent: 2,053,470

Apparatus for Machining Cylindrical Surfaces

Patentees:

Nels E. Flodin (exact or similar names) - Latrobe, Westmoreland County, PA

John J. Eckfeldt, deceased (Estate Of) (exact or similar names) - Chicago, Heights, Cook County, IL

Emma B. Eckfeldt, Executrix (exact or similar names) - Chicago, Heights, Cook County, IL

USPTO Classifications:

82/11

Tool Categories:

metalworking machines : metal lathes

specialty machines : pipe making machines

Assignees:

American Locomotive Co. - New York, NY

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Mar. 06, 1935
Granted:	Sep. 08, 1936

Patent Pictures:

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Description:

Claim:

This invention relates to apparatus for machining cylindrical surfaces on metal pieces, as for instance the faces of the flanges of pipe nozzles and the like to adapt them for attachment as branches to other pipes, boiler shells, tank shells, or similar objects.