| 摘要 |
Small attachment members, such as clamps, mounting bars, identification plates, lugs and the like, are formed of shaped walls with at least one welding projection stamped from the wall arranged a contact the metallic base which projection limits the arc in condenser-discharge welding of the attachments and a punctiform projection centrally disposed on and extending outwardly from the welding projection is used for starting and controlling the condenser-discharge welding operation.
|
