ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
B21D0028160000 Shoulder or burr prevention 1
B21D0028180000 Yieldable, e.g. rubber, punching pads 1
B21D0028200000 Applications of drives 1
B21D0028220000 Notching the peripheries of circular blanks, e.g. laminations for dynamo-electric machines 1
B21D0028240000 Perforating, i.e. punching holes 1
B21D0028260000 in sheets or flat parts 1
B21D0028280000 in tubes or other hollow bodies 1
B21D0028300000 in annular parts, e.g. rims 1
B21D0028320000 in other articles of special shape 1
B21D0028340000 Perforating tools; Die holders 1
B21D0028360000 using rotatable work or tool holders 1
B21D0031000000 Other methods for working sheet metal, metal tubes, metal profiles (deforming one surface of tubes helically by rolling B21H0003000000; upsetting B21J0005080000; embossing decorations or marks B44B0005000000) 1
B21D0031020000 Stabbing or piercing, e.g. for making sieves 1
B21D0031040000 Expanding other than provided for in groups B21D0001000000-B21D0028000000, e.g. for making expanded metal(B21D0047000000 takes precedence);; 1
B21D0031060000 Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming 1