the paddles co-operating, e.g. intermeshing, with elements on the receptacle wall

Full Title

Mixers with rotary stirring devices in fixed receptacles (magnetic mixers B01F33/45); Kneaders > with stirrers rotating about a horizontal or inclined axis > with paddles, blades or arms > the paddles co-operating, e.g. intermeshing, with elements on the receptacle wall