by pistons co-operating with measuring chambers

Full Title

Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans or jars > Methods or devices for controlling the quantity of the material fed or filled > by volumetric measurement > by pistons co-operating with measuring chambers

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL

Subclass:

MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING