Membranes or pistons acting on the contents inside the container, e.g. follower pistons

Full Title

Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use > characterised by the means producing the flow > Membranes or pistons acting on the contents inside the container, e.g. follower pistons

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL

Subclass:

SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES