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US 2019/0030636 A1Published application
Welding method using special torch
AssigneeKabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
InventorsNaoki MUKAI, Tokuji MARUYAMA, Reiichi SUZUKI
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Abstract
Provided is a welding method using a special torch and a flux cored wire, in which the special torch has a suction nozzle between the contact tip and the shield nozzle, and the flux cored wire has a flux filled inside the steel outer casing, and a seam portion where both ends of a metal in a width direction of the steel outer casing are butted or overlapped in a longitudinal direction of the flux cored wire.
Claims18
A welding method, comprising welding with a special torch and a flux cored wire,
- wherein
- the special torch has a suction nozzle between a contact tip and a shield nozzle, and
- the flux cored wire has a flux filled inside a steel outer casing, and a seam portion where both ends of a metal in a width direction of the steel outer casing are butted or overlapped in a longitudinal direction of the flux cored wire.
Dependencies are inferred from the claim text.