ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
B21D0007120000 with programme control 1
B21D0007140000 combined with measuring of bends or lengths 1
B21D0007160000 Auxiliary equipment, e.g. for heating or cooling of bends 1
B21D0009000000 Bending tubes using mandrels or the like (B21D0011020000-B21D0011180000; take precedence);; 1
B21D0009010000 the mandrel being flexible and engaging the entire tube length 1
B21D0009030000 and built-up from loose elements, e.g. series of balls 1
B21D0009040000 the mandrel being rigid 1
B21D0009050000 co-operating with forming members 1
B21D0009070000 with one or more swinging forming members engaging tube ends only 1
B21D0009080000 in press brakes or between rams and anvils or abutments; Pliers with forming dies 1
B21D0009100000 by passing between rollers 1
B21D0009120000 by pushing over a curved mandrel; by pushing through a curved die 1
B21D0009140000 Wrinkle-bending, i.e. bending by corrugating 1
B21D0009150000 using filling material of indefinite shape, e.g. sand, plastic material 1
B21D0009160000 Auxiliary equipment, e.g. machines for filling tubes with sand 1