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Manufacturers Index - J. P. Udal
Patents
This page contains information on patents issued to this manufacturer.

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Patent Number Date Title Name City Description
174,491 Feb. 02, 1922 Improvements in power drawing presses John Pountney Udal , England "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.
214,899 May. 01, 1924 Improvements relating to press guards John Pountney Udal , England
220,515 Aug. 21, 1924 Improvements relating to guards for machines of the platen type John Pountney Udal , England
1,545,929 Jul. 14, 1925 Press guard John Pountney Udal , England
290,325 Jun. 11, 1929 Press guard John Pountney Udal , England
346,167 Apr. 09, 1931 Improvements relating to guards for presses and like machines John Pountney Udal , England
349,776 Jun. 04, 1931 Improvements relating to guards for machines of the platen type John Pountney Udal , England Improvements to the inventor's patent 220,515.
350,221 Jun. 11, 1931 Improvements relating to press guards John Pountney Udal , England Improvements to the inventor's patent 214,899 to make it more suitable for large presses.
356,453 Sep. 10, 1931 Improvements relating to guards for presses and other like machines John Pountney Udal , England This invention provides for a primary guard attached to the machine, plus a secondary guard that is mounted to the primary guard and that can be moved by the machine. In normal operation only the secondary guard moves. If the operator's hand is caught by the guard then the primary guard is pushed on by the secondary guard via the trapped hand, and this motion of the primary guard pushes the hand out of danger.
383,349 Nov. 17, 1932 Improvements in adjustable-throw crank mechanism John Pountney Udal , England The inventor had his own firm that manufactured safety guards; assignee Taylor & Challen Ltd. was a local maker of power presses.
390,921 Apr. 20, 1933 Improvements relating to guards for guillotine machines John Pountney Udal , England
1,906,778 May. 02, 1933 Guard for presses and other like machines John Pountney Udal , England