Wall element for a protective device surrounding an operating or working area and protecting against laser beams from laser source

• Main Author: ERWIN MARTIN HEBERER
• Format: Patent
• Language: English
• Published: 10.02.1998
• Edition: 6
• Subjects: BASIC ELECTRIC ELEMENTS; BLASTING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; DEVICES USING STIMULATED EMISSION; ELECTRICITY; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MACHINE TOOLS; MECHANICAL ENGINEERING; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SAFETY DEVICES IN GENERAL; SOLDERING OR UNSOLDERING; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS; WELDING; WORKING BY LASER BEAM

The invention relates to a wall segment (10) for device, such as a cabin, a wall or a screen, protecting against laser beams from a laser source (38) and enclosing a work or effective zone, this wall segment comprising an inner wall (12) adjacent to the work or effective zone and an outer wall (14) parallel to the inner wall (12) and farther away from the work and effective zone than the inner wall (12). To activate an emergency OFF system to shut down the laser source or the processing machine, the inner and outer walls (12) and (14) resp. are metallic, for instance of iron or steel sheetmetal, the inner wall (12) being fitted at least on its side (18) facing the work or effective zone with a highly absorbent coating (16) and the side (22) of the outer wall (14) facing the inside wall (12) being of lower absorption.