US Patent: 833,716 - Sheet-metal hollow-ware drawing-press


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

US Patent: 833,716

Sheet-metal hollow-ware drawing-press

Patentee:

Paul R. Hahnemann (exact or similar names) - Newark, NJ

USPTO Classifications:

72/350, 72/451

Tool Categories:

metalworking machines : metalworking presses : stamping presses

metalworking machines : sheet metal : stamping presses

Assignees:

Paul R. Hahnemann - Newark, NJ

Edmund W. Zeh - Newark, NJ

Manufacturer:

Zeh & Hahnemann Co. - Newark, NJ

Witnesses:

Frederick Haynes

Henry Thieme

Patent Dates:
Applied:	Feb. 19, 1906
Granted:	Oct. 16, 1906

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Zeh & Hahnemann Co.

Description:

"This invention relates to a sheet metal holloware drawing press and has for its object the providing of simple and effective means for holding the sheet securely clamped and for operating an plunger while the sheet is so clamped."