Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B21
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
Load children
B21B
ROLLING OF METAL
Load children
27/00
Rolls,; roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
Load children Filter patents View analytics View as hierarchy
B21B27/02
Shape or construction of rolls
Load children Filter patents View analytics View as hierarchy
B21B27/035
Rolls for bars, rods, rounds, tubes, wire or the like
Load children Filter patents View analytics View as hierarchy