US Patent: 455,186 - Apparatus for Loosening Tubes From Mandrels


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US Patent: 455,186

Apparatus for Loosening Tubes From Mandrels

Patentee:

Alexander Stanley Elmore (exact or similar names) - Spring Grove, Hunslet, Leeds, York County, England

USPTO Classifications:

72/110

Tool Categories:

metalworking machines : electrical discharge machining

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	May 02, 1891
Granted:	Jun. 30, 1891

Patent Pictures:

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Description:

Patented in France,18 Nov., 1890, #209,602: in Belgium, 18 Nov., 1890, #92,771; in Luxemburg. 18 Nov. 1890, #1,375; in England, 21 Nov. 1890, #18,896; in Italy, 03 Dec., 1890, #LVI, 157; in Spain, 03 Jan., 1891, #11,472 and in the Cape of Good Hope, 06 Jan., 1891, CC 160, F 658.