Projection welding method
AssigneeNippon Corporation
InventorsKenjiro Okamoto, Kuniyasu Iwazaki, Kihachiro Ohta
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Abstract
A projection welding method which comprises providing in either one of a first member and a second member to be welded a plurality of projections projecting toward the other member, supplying a current between the first and second members to melt the plurality of projections, and welding the first and second members. The plurality of projections are composed of projections having a plurality of kinds with different heights. Furthermore, with reference to the plurality of projections, concave grooves in which a molten product flows are provided.
Claims13
In a projection welding method which comprises providing a plurality of projections on at least one of a first member and a second member to be welded to each other, supplying a current between the first member and the second member, melting the plurality of projections, and thereby welding the first member and the second member, wherein the plurality of projections are composed of first projections having a relatively large height and second projections having a relatively low height, and at the time of welding, the first projections are first melted, and then the second projections are melted.
Dependencies are inferred from the claim text.