Patent ID: 8881950
Filing Date: 2014-11-11
Classification: B01F,B05C

Abstract:
1. A fluid cartridge for mixing and dispensing first and second fluids, comprising: a housing including a distal end and first and second fluid chambers configured to hold respective first and second fluids and communicating with respective first and second outlets at the distal end; a piston unit mounted in the housing and movable to force the first and second fluids to flow from the first and second fluid chambers out of the first and second outlets; and a mixing nozzle including a first portion releasably attachable to the distal end of the housing, a second portion located distal to the first portion, an internal fluid passage communicating between the first and second portions, a static mixing element in the second portion, a dispensing opening located distal to the static mixing element, and a tubular fluid separator element in the first portion, the tubular fluid separator element defining first and second flow passages, the first flow passage contained in a central tubular portion of the tubular fluid separator element and communicating with the first outlet and the second flow passage located radially outside of the central tubular portion and communicating with the second outlet, wherein the tubular fluid separator element maintains the flow of the first fluid separate from the flow of the second fluid in the first portion of the mixing nozzle, and wherein the mixing nozzle further comprises an internal wall and the tubular fluid separator element further comprises a flange that extends from the internal wall and is positioned proximate the second outlet, the flange including the second flow passage communicating with the second outlet of the housing.