1
Croguennec Jean: Method and device for protecting a sheet metal working machine by means of a laser beam.. Erpic, June 26, 1985: EP0146460-A2 (86 worldwide citation)

1. Method for protecting, by means of a laser beam, a sheet metal working machine, such as a bending press, a shearing machine, a rolling machine or other like machine, comprising a tool (3) vertically mobile in the direction of the sheet metal in abutment on a support, in which the safety height wh ...


2
Croguennec Jean: Method and device for protecting a sheet metal working machine by means of a laser beam.. Ereis Exploit, June 7, 1985: FR2556074-A1 (1 worldwide citation)

1. Method for protecting, by means of a laser beam, a sheet metal working machine, such as a bending press, a shearing machine, a rolling machine or other like machine, comprising a tool (3) vertically mobile in the direction of the sheet metal in abutment on a support, in which the safety height wh ...