GB Patent: 174,491 - Improvements in power drawing presses


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GB Patent: GB-174,491

Improvements in power drawing presses

Patentee:

John Pountney Udal (exact or similar names) - Birmingham, England

USPTO Classifications:

Tool Categories:

metalworking machines : metalworking machine mechanisms : metalworking machine safety guards

metalworking machines : metalworking presses

Assignees:

Kynoch, Ltd. - Birmingham, England

Manufacturer:

J. P. Udal - Birmingham, England

Witnesses:

Unknown

Patent Dates:
Applied:	Nov. 23, 1920
Granted:	Feb. 02, 1922

Patent Pictures:

Espacenet patent
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for J. P. Udal
Wikipedia article on Kynoch, Ltd.

Description:

"This invention relates to double acting toggle power presses as used for drawing and deep pressing in the manufacture of articles from thin sheet metal blanks. It refers particularly to the means adopted for operating the slide to which the blank-holder or pressure plate is attached and for maintaining the pressure on the blank while the punch is drawing the metal through the die..."

Assignee Kynoch, Ltd., was an ammunition manufacturer and was part of Nobel Industries.