APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL

**Definition:** This place covers:

**Limiting references (this place does not cover):** - Brushes -> A46B - Implements for writing and drawing -> B43K

**Glossary:** - Coating: The applied material. A coating may be a solidified layer originally applied as a liquid (e.g. dried paint) or a layer of material which, once applied, remains in a liquid or semi-liquid state (e.g. lubricant). - Fluidised-bed technique: A technique used to cause dry particulate material to behave like a fluid. This is commonly achieved by the introduction of a pressurised fluid into the material and promotes a high degree of contact between the fluid and material. - Liquid or fluent: designates materials which can flow, e.g. liquids, including solutions, dispersions and suspensions, as well as semi-liquids, pastes, melts and particulate materials. - Particulate materials: Solid materials in the form of very small pieces, e.g. powders, granules, short fibres or chips.