B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
B23D33/00—Accessories for shearing machines or shearing devices
B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
B23D33/04—Arrangements for holding, guiding, and/or feeding work during the operation for making circular cuts
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Feeding Of Articles By Means Other Than Belts Or Rollers
(AREA)
Dispositif d'aide a la construction d'un mur a partir d'elements de structure prefabriques, permettant l'approche, le reglage et le positionnement des elements prefabriques
Système pour l'obstruction d'un passage d'entrée à l'aide d'un vantail roulant sur une surface plane, comprenant des moyens de guidage fin de course du vantail