| 摘要 |
Method and apparatus for aligning strip end portions prior to a welding step in a continuous strip treating operation in which there is a first step running through the line having a trailing end portion and a second strip to be fed into the line having a leading end portion, the invention comprising means and steps for determining the longitudinal direction of the first strip trailing end portion, providing a laser beam which can be disposed parallel to the longitudinal direction of the first strip trailing end portion, providing a strip positioning member contiguous to the second strip leading end portion, the strip positioning member being laterally disposable, and utilizing the laser beam to dispose the strip positioning member in a predetermined position, whereby the second strip leading end portion can be aligned longitudinally and laterally with the first strip trailing end portion so that the strips can be welded together without the formation of a dog leg in the resulting welded strip.
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