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ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
B21K0027020000 Feeding devices for rods, wire, or strips 1
B21K0027040000 allowing successive working steps 1
B21K0027060000 Cutting-off means; Arrangement thereof 1
B21K0029000000 Arrangements for heating or cooling during processing (for preparing metal stock to be forged or pressed B21J0001060000; heating equipment in general, see the appropriate subclasses, e.g. H05B) 1
B21K0031000000 Control devices specially adapted for positioning tool carriers 1
B21L MAKING METAL CHAINS (making chains or chain links by casting B22D0025020000; chains in general F16G) 1
B21L0001000000 Making chains or chain links by bending workpieces of rod, wire, or strip to form links of oval or other simple shape (B21L0003000000, B21L0007000000 take precedence);; 1
B21L0001020000 by bending the ends of the workpieces to abut 1
B21L0001040000 by bending and interconnecting the ends of the workpieces with or without separate jointing members 1
B21L0003000000 Making chains or chain links by bending the chain links or link parts and subsequently welding or soldering the abutting ends (B21L0007000000 takes precedence);; 1
B21L0003020000 Machines or devices for welding chain links 1
B21L0003040000 by making use of forge or pressure welding 1
B21L0005000000 Making chains or chain links by working the starting material in such a way that integral, i.e. jointless, chain links are formed 1
B21L0005020000 in such a way that interconnected links are formed 1
B21L0007000000 Making chains or chain links by cutting single loops or loop-parts from coils, assembling the cut parts and subsequently subjecting same to twisting with or without welding 1
จำนวนรหัสข้อมูล 15 จาก 73902