using compacting heads, rollers, or the like

Introduced: September 1968

Last revised: January 2006

Full Title

Methods or machines specially adapted for the production of tubular articles > by casting into moulds > using compacting means > using rotatable mould or core parts > using compacting heads, rollers, or the like

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

2 direct subcodes

Child Classifications

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B28B 21/26 with a packer head serving as a sliding mould or provided with guiding means for feeding the material
B28B 21/28 combined with vibration means