by mixing with another liquid

Full Title

Pipe-line systems (conveying articles or materials through a pipe- line by means of a fluid carrier B65G51/00, B65G53/00; liquids B67D; special devices for transferring liquids from bulk storage containers into vehicles or boats or vice versa, e.g. loading or unloading vehicles or portable containers B67D7/00; conveying material which has been excavated by a dredger or soil shifter through a pipe-line E02F7/10; sewer pipe-line systems E03F3/00; thermal insulation of pipe-lines F16L59/00; central heating systems F24D) > for liquids or viscous products (water-main or service pipe systems E03B7/04; domestic hot-water supply systems F24D17/00) > Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity > by mixing with another liquid