Pressing device for the rims to be soldered of can frames u. like
DE521930C
Process for applying a solder strip to metal sheets
GB334092A
Improvements in electrical soldering devices
GB331776A
Improvements relating to soldering apparatus
DE507826C
Electric soldering device
DE522197C
Soldering device, e.g. B. for cans or tubes, consisting of a cylinder or mandrel and a punch to be pressed against it
DE503660C
Solder seam for overlapping sheet metal strips, especially for tin cans
DE523462C
Device for soldering the longitudinal seams of metal vessels, e.g. Food cans, by means of a soldering iron permanently connected to the secondary winding of a transformer
DE568143C
Device for the production of cable sleeve connections o. The like. By soldering
