摘要 |
<p>Cleaning both edges of a sheet prior to welding. According to the invention, a laser beam (22a) is directed towards the two edges (12a, 12b) brought close together and displaced in a straight line, and focusing means (23) are provided in order to displace and/or shape the focused spot so as to cover, at least traversely relative to the path of the edges, a dimension equal to the width to be cleaned. <IMAGE></p> |
申请人 |
CMB PACKAGING S.A., BOULOGNE SUR SEINE, FR |
发明人 |
RIVIERE, MAURICE, F-78390 BOIS D'ARCY, FR;BARROU, ANTOINE, F-92350 LE PLESSIS ROBINSON, FR;DAUTEUIL, DANIEL, F-10190 ESTISSAC, FR |