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AssigneeUnited States Gypsum Company
InventorsRaymond Kaligian, James Messer, Dennis Lettkeman, Salvatore Immordino, Timothy Ross
Estimating the term…
An apparatus for mixing an additive into a fluid to form a settable mixture includes a main fluid passageway having an inlet for receiving a supply of the fluid and an outlet for dispensing the fluid, the passageway having a longitudinal axis. The apparatus includes a control valve defining a portion of the main fluid passageway and configured for selectively controlling the flow of fluid in the passageway, an additive injector disposed in the passageway and having an emitter disposed in close relationship with the axis and oriented toward the outlet. A static mixer is disposed between the injector and the outlet for enhancing the uniform mixing of the additive and the fluid. Connection points between the inlet, the valve and the static mixer are configured for smooth transition of fluid and the prevention of at least one of the collection and premature setting of the mixture.
An apparatus for mixing an additive into a flowing fluid to form a settable mixture, comprising:
The apparatus of claim 5 wherein said check is an O-ring.
The apparatus of claim 12 wherein said purge input includes both an air purge connection and a water purge connection in fluid communication with said main passageway.
An apparatus for mixing an additive into a flowing, settable slurry, comprising:
The apparatus of claim 15 wherein said injector is provided with a smooth shank and a head, said emitter being a bore disposed between said shank and said head.
The apparatus of claim 16 wherein said head is tapered from a central peripheral edge to form a streamlined profile in said main passageway.
Dependencies are inferred from the claim text.