L-3 Communications Security and Detection Systems Corporation

Ultrablend Systems, Inc.

Peter F Cram

Nikolay Rolshud

Mark Fraser

Thomas David Plamondon

Brian C Sanders

Concentrating particles in a turbulent gas flow may include receiving, in a receptacle, a turbulent gas flow that includes particles. The concentration of particles in a gas flow exiting the receptacle at a first port is increased as compared with a concentration of the particles in the gas flow received by the receptacle. The increased concentration of particles is accomplished by removing a portion of the gas flow by using a second port, and fluidly communicating the gas flow through a tube in the receptacle. The tube has a smaller diameter at the end of the tube at which the gas flow exits the tube than diameter at the end of the tube at which the gas flow is received.

Particle concentrator

In a paint mixing apparatus, a paint can carrying bail retaining device, said device comprising a retaining ring that is movably attached to a blending bucket, said bucket having a diameter selected such that a paint can easily be inserted therein for the mixing or blending operation. The retaining ring has a radius slightly larger than the radius of the mixing bucket plus the thickness of the paint can carrying bail. The retaining ring has a loading/unloading and a retaining position. When the ring is displaced from its retaining position, which is corresponds to its normal position, into its loading/unloading position, sufficient clearance is created to allow the bail to swing freely into a mixing position, where it rests along the outside of the mixing bucket. When the ring is returned to its retaining position, the bail is secured in the mixing position as a result of a lack of sufficient clearance to allow the bail to swing away from its position along the outside of the mixing bucket.

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Merrimack, NH, United States of America

Peter F Cram