Corrosion-resistant sheet steel weld

Details Corrosion-resistant sheet steel weld Corrosion-resistant sheet steel weld

1975-07-18

1977-06-21

Steiner, Arthur J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Workpiece with longitudinal passageway or stopweld material

428594, 428659, 138151, 138171, 219 86, 219 87, 138145, F16L 916, B32B 1518

Patent

active

040305252

ABSTRACT:
To prevent flowing of coating material on corrosion-protected sheet steel, such as a zinc coating, when making overlap weld seams, the end portion of at least one of the steel sheets is formed with openings which extend from adjacent the outer edge of the end portion inwardly, to leave projections between the openings, the projections being entirely within the overlap and leaving a short strip of solid material in the overlap region, so that the weld will occur at concentrated hot spots of the material, and contamination of the welding electrodes by the zinc coating material is prevented. The openings may extend clear to the edge in the form of notches, leaving intervening teeth, or they may be punched holes.

REFERENCES:
patent: 3510624 (1970-05-01), Bennett

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