by pneumatic means, e.g. by suction

Full Title

Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars > Methods of, or means for, filling the material into the containers or receptacles > by pneumatic means, e.g. by suction