each charge of material being compressed against previously formed body

Full Title

Producing shaped articles from the material by using presses; Presses specially adapted therefor > wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form > each charge of material being compressed against previously formed body

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