Apparatus for butt welding steel strips by using a laser beam in a steel strip-processing line
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United States of America Patent
Stats
-
Nov 18, 1986
Issued Date -
N/A
app pub date -
Feb 27, 1984
filing date -
Feb 28, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A laser-welding apparatus including a pair of clamps at least one of which is movable reciprocally along the steel strip-feed line direction and which are adapted to clamp the edge portions of preceding and trailing steel strips, a shear which is advanceable and retractable between the pair of the clamps in a perpendicular direction to the line and cuts the edge portions of the preceding and trailing steel strips, a device for butting the cut faces of the preceding and trailing steel strips while being clamped by means of the clamps, a device for continuously feeding a filler wire at a weld zone at which the laser beam is condensed, and a laser torch adapted to condense a laser beam from a laser oscillator on an off-line at a weld zone and movable in the width direction of steel strips to be welded together.
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