FlipDroppy Laboratory Dispenser for Solid Particles, Powders, and Beads

Max Planck Society Background
In the laboratory, it is often necessary to measure and distribute dry particles, powders, and beads. This is usually done with scoops or measuring cups, which are challenging to use cleanly. Alternatively, this is done with mechanical devices involving moving parts, which are difficult to hermetically seal, difficult to clean, and furthermore can grind or jam.
Technology Overview
The FlipDroppy is a transparent dispensing device for powders, irregularly shaped particles, and beads. It can be attached to the opening of screw-cap containers as an alternative storage lid, can be hermetically sealed, and involves no moving parts. The dispensing action involves tilting the container to fill an integrated measuring cup (, B-C). The accurately-measured substance can be dispensed by twisting the entire container so that the measuring cup is upside-down, allowing the contents to fall by gravity into a new vessel (Figure 1, D-E).
The FlipDroppy can be adapted in size and shape for diverse applications in the laboratory ().

Accurate dispensing
Doubles as a storage lid (hermetically sealable)
No moving parts (long life, easy cleaning, no jamming, maintenance-free)
Intuitive, spill-free use
Can be made from standard materials in any size
Can be sterilized and used in clean environments
Suitable for mass production, including injection-molding

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