Mouthpieces for shaping sockets, bends, or like peculiarly-shaped tubular articles

Full Title

Methods or machines specially adapted for the production of tubular articles > by extruding > Mouthpieces for shaping sockets, bends, or like peculiarly-shaped tubular articles

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

WORKING CEMENT, CLAY, OR STONE

Subclass:

SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER