Method of and apparatus for foaming a viscous material

摘要

A method and an apparatus for providing a foam of a vicious material the method comprising the steps of: supplying at least on piston pump (45A, 45B) with a gas; supplying the at least one piston pump (45A, 45B) with the vicious material so as to mix with the gas; delivering a mixture of the gas and the vicious material by means of the at least one piston pump (45A, 45B); distributing the gas in the vicious material through a tubular conduit (614); discharging the vicious material in which the gas is distributed; and foaming the vicious material.