Making serpentine-shaped articles by bending essentially in one plane

Full Title

Bending not restricted to forms of material mentioned in only one of groups , ,; Bending not provided for in groups; Twisting > Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form > Making serpentine-shaped articles by bending essentially in one plane

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL

Subclass:

WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL