cone-shaped or bell-shaped articles, e.g. insulator caps

Full Title

Making hollow articles not covered by any single one of groups > Shaping hollow articles with different cross-section in longitudinal direction, e.g. nozzles, spark-plugs > cone-shaped or bell-shaped articles, e.g. insulator caps

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL

Subclass:

MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS