by projecting, e.g. spraying

Full Title

Methods or machines specially adapted for the production of tubular articles > by shaping on or against mandrels or like moulding surfaces > by projecting, e.g. spraying

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