B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
B21C51/005—Marking devices
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves
(AREA)
Dispositif de reglage du debit d'un bouchon d'un recipient de distribution dans une installation de coulee continue, par asservissement au niveau du bain de metal d'une lingotiere receptrice
Procede de controle du deplacement d'un element de fermeture qui s'enroule autour d'un tambour motorise et moyens pour la mise en oeuvre du procede