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Class 219/86.23 - With welding pressure controlled by the work support


Subclass of Class 219 - Electric heating
Definition: Subject matter wherein the welding pressure is controlled
No. of patents: 3
Last issue date: 12/13/1988


NumberTitleIssue Date
4791265Methods and apparatus for electric resistance welding
An electric resistance welder comprises a frame and a movable arm mounted to the frame for gravitational movement relative thereto. A movable electrode is carried at an end of the movable arm. A stationary electrode is spaced opposite the movable electrod...
12/13/1988
4652720Apparatus for the spot welding of coated sheet-metal members
For the welding of tongues (12) onto rupturable can members (10) of tin plate, a pair of welding electrodes (20, 22) is provided which are movable cyclically towards and away from one another and are additionally movable cyclically transversely to this mo...
03/24/1987
4453072Welding method and apparatus suitable for forming links in jewelry
In a link forming apparatus, U-shaped links are fed into a forming station and closed by a forming anvil. Opposing electrodes are then pressed against each side of the closed link by means of a common belt drive which is in turn pneumatically driven. Each...
06/05/1984
 
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