the workpiece being of thin strip metal

Full Title

Making chains or chain links of special shape > each link being formed of a single member of which both ends are bent or shaped to engage the middle portion of the next link > the ends being pierced or punched to form eyes > the workpiece being of thin strip metal

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL

Subclass:

MAKING METAL CHAINS