The tiny impeller is a section of the syringe’s original plunger, with its cross-shaped body acting as the impeller blades. [Penguin DIY] first experimented with the original plunger seal to ...

The basic idea involves blocking the end of a syringe, and then pull the plunger to create a vacuum in the tube. When released, the plunger will rush forward from the atmospheric pressure ...

Koor aims to package edible and non-food products in a refillable bottle with a syringe-like refill mechanism and replaceable ...

Many flange plungers look similar to a cup plunger, but a tapered flange is attached to the rim of the cup. This flange ...