초록 ▼

A multi-component dispenser is disclosed which can dispense reactive components in predetermined proportions. The dispenser also combines and mixes the components prior to their dispensing. In a particular version, the multi-component dispenser uses a single valve to simultaneously dispense multiple

A multi-component dispenser is disclosed which can dispense reactive components in predetermined proportions. The dispenser also combines and mixes the components prior to their dispensing. In a particular version, the multi-component dispenser uses a single valve to simultaneously dispense multiple flowable components.

대표청구항 ▼

Having thus described the invention, it is so claimed: 1. A dispenser adapted for simultaneously dispensing and mixing at least two flowable components in predetermined dispensing proportions, the dispenser including: at least a first container and a second container, said first container housing a

Having thus described the invention, it is so claimed: 1. A dispenser adapted for simultaneously dispensing and mixing at least two flowable components in predetermined dispensing proportions, the dispenser including: at least a first container and a second container, said first container housing a first flowable component having a first viscosity and having a first interior hollow region of a first cross section and a first flow-governing aperture having a first aperture size, said second container housing a second flowable component reactive with the first flowable component having a second viscosity and having a second interior hollow region of a second cross section and a second flow-governing aperture having a second aperture size; said first hollow region being pressurized by a first propellant charge of a first pressure and first gas mix, said second hollow region being pressurized by a second propellant charge of a second pressure and second gas mix; a single valve mixing assembly, the assembly including a body defining at least two flow passages, each passage fluidly connecting an inlet to a single mixing region, the mixing assembly also defining a single exit port fluidly connected to the mixing region, the mixing assembly being aligned with, and non-displaceable with respect to, the containers such that a respective inlet is adjacent to an aperture defined in a corresponding container, the mixing assembly further including a single valve member disposed therein for linear movement between an open state in which the valve member is removed from the mixing region and flow communication is established between each flow passage and the exit port, and a closed state in which the valve member is disposed in the mixing region and flow communication is blocked between each flow passage and the exit port; said predetermined dispensing proportions being established by the proportions of said first cross section to said second cross section, said first aperture size to said second aperture size, said first pressure to said second pressure, said first gas mix to said second gas mix and said first viscosity to said second viscosity; and, wherein the valve member defines a pair of deflection surfaces adapted positionable in the mixing region when flow communication is established and for contacting material flowing past the valve member when the member is in the open state. 2. The dispenser of claim 1 wherein the valve member includes a trigger projecting outward from the valve member. 3. The dispenser of claim 1, the dispenser further including: a trigger member directly engaged with the valve member such that displacement of the trigger member causes concurrent, or substantially so, displacement of the valve member. 4. The dispenser of claim 1 wherein the valve member is non-rotatable with respect to the valve receiving region. 5. The dispenser of claim 1 wherein the deflection surfaces are each concave portions adjacent a free end of the valve member. 6. The dispenser of claim 1 further comprising: a flow nozzle in communication with the exit port defined in the mixing assembly, the nozzle adapted to direct flowable material being dispensed from the dispenser. 7. The dispenser of claim 1 further comprising: a linearly movable piston disposed in each container and adapted to sealingly contact an inner wall surface of each respective container that defines the interior hollow region. 8. The dispenser of claim 1 further comprising a handle affixed to at least one container. 9. A multi-chamber dispenser comprising: plurality of chambers, each chamber having a first end, a second end opposite from the first end, and a chamber wall extending between the first and second ends, the second end defining an aperture, each chamber defining an interior hollow region, each chamber including a piston slidably disposed in the interior hollow region and apportioning the hollow region into a first region proximate the first end, and a second region proximate the second end; a flow body defining a plurality of inlet ports, each inlet port in flow communication with a corresponding aperture defined in a respective chamber, the flow body further defining an exit port and a valve receiving region disposed between and in flow communication with each of the inlet ports and the exit port; a single valve member slidably disposed in the valve receiving region, the valve member including an outwardly extending trigger member whereby upon displacement of the trigger member, the valve member is directly and linearly displaced between an open position and a closed position; a first chamber housing a first flowable component having a first viscosity and having a first interior hollow region of a first cross section and a first flow-governing aperture having a first aperture size, a second chamber housing a second flowable component having a second viscosity and having a second interior hollow region of a second cross section and a second flow-governing aperture having a second aperture size; said first hollow region being pressurized by a first propellant charge of a first pressure and first gas mix, said second hollow region being pressurized by a second propellant charge of a second pressure and second gas mix; each said piston adapted to sealingly contact an inner wall surface of each respective chamber that defines; predetermined dispensing proportions being established by the proportions of said first cross section to said second cross section, said first aperture size to said second aperture size, said first pressure to said second pressure, said first gas mix to said second gas mix and said first viscosity to said second viscosity; and, wherein the valve member defines a pair of deflection surfaces adjacent a mixing region and adapted for contacting and deflecting material flowing past the valve member when the member is in the open position. 10. The dispenser of claim 9 wherein the valve member is non-rotatable with respect to the valve receiving region. 11. The dispenser of claim 9 wherein the deflection surfaces are each concave. 12. The dispenser of claim 9 further comprising: a pressurized gas contained in the first region of at least one of the chambers. 13. The dispenser of claim 9 wherein the number of chambers of the plurality of chambers is 2. 14. The dispenser of claim 13 wherein the dispenser comprises a first chamber and a second chamber secured to the first chamber, the dispenser further comprising: a first pressurized gas contained in the first region of the first chamber; and a second pressurized gas contained in the first region of the second chamber. 15. The dispenser of claim 13 further comprising: a first reactive flowable component contained in the first region of the first chamber; and a second reactive flowable component contained in the second region of the second chamber. 16. The dispenser of claim 15 wherein the first reactive component and the second reactive component can react with each other to produce a reaction product. 17. The dispenser of claim 9 further comprising: a flow nozzle disposed proximate the exit of the flow body, the nozzle defining an internal conduit extending through the nozzle. 18. The dispenser of claim 17 wherein the nozzle includes mixing vanes adapted to promote mixing of a flowable material undergoing displacement through the internal conduit of the nozzle. 19. A dual chamber dispenser comprising: a first chamber having a first end, a second end opposite from the first end, and a chamber wall extending between the first and second ends, the first chamber defining an interior hollow region, the second end defining a flow aperture; a second chamber having a first end, a second end opposite from the first end, and a chamber wall extending between the first and second ends, the second chamber defining an interior hollow region, the second end defining a flow aperture; a first piston linearly slidably disposed in the interior hollow region defined in the first chamber, and sealingly contacting the chamber wall of the first chamber, the first piston defining a first face and an oppositely directed second face, the first piston dividing the interior hollow region of the first chamber into a gas region defined between the first end of the first chamber and the first face of the first piston, and a flowable material region defined between the second end of the first chamber and the second face of the first piston; a second piston linearly slidably disposed in the interior hollow region defined in the second chamber, and sealingly contacting the chamber wall of the second chamber, the second piston defining a first face and an oppositely directed second face, the second piston dividing the interior hollow region of the second chamber into a gas region defined between the first end of the second chamber and the first face of the second piston, and a flowable material region defined between the second end of the second chamber and the second face of the second piston; a mixing body disposed adjacent to the second ends of each of the first and second chambers and non-displaceable with respect to the first and second chambers, the mixing body defining (i) a valve receiving region, (ii) a first flow passage extending between the flow aperture defined in the first chamber and the valve receiving region, (iii) a second flow passage extending between the flow aperture defined in the second chamber and the valve receiving region, and (iv) an exit port in flow communication with the valve receiving region; a non-rotatable valve member slidably disposed within the valve receiving region, the valve member including a trigger projection extending outwardly from the first and second chambers, the valve member being selectively and linearly positionable between (a) a first open position in which flow communication is simultaneously established between (i) the first flow passage and the exit port, and (ii) the second flow passage and the exit port, and (b) a closed position in which flow communication is blocked between (i) the first flow passage and the exit port, and (ii) the second flow passage and the exit port; said first chamber housing a first flowable component having a first viscosity, said second chamber housing a second flowable component having a second viscosity reactive with the first flowable component; said first gas region being pressurized by a first propellant charge of a first pressure and first gas mix, said second gas region being pressurized by a second propellant charge of a second pressure and second gas mix; and, wherein a distal tip of the valve member defines a pair of angle deflection surfaces adapted for contacting and deflecting material flowing past the valve member into an adjacent mixing region when the member is in the open position. 20. The dispenser of claim 19 wherein the deflection surfaces are each concave. 21. The dual chamber dispenser of claim 19 further comprising: the first flowable component is contained in the flowable material region of the first chamber; the second flowable component is contained in the flowable material region of the second chamber; and, the first and the second flowable components are mixed in the valve receiving region to form a reacting composition. 22. The dual chamber dispenser of claim 19 further comprising: a flow nozzle disposed proximate the exit port defined in the mixing body and adapted to receive and direct material flowing therethrough to a distal tip of the flow nozzle. 23. The dual chamber dispenser of claim 22 wherein the nozzle includes mixing vanes. 24. A multi-component dispenser adapted to simultaneously dispense at least two components, the dispenser comprising: a first chamber having a first end, a second opposite end, and a chamber wall extending therebetween, the first chamber defining an aperture at the first end; a second chamber having a first end, a second opposite end, and a chamber wall extending therebetween, the second chamber defining an aperture at the first end of the second chamber; a mixing assembly positioned adjacent the first ends of the first and second chambers, the mixing assembly defining (i) a valve receiving region, (ii) a first flow channel extending between the aperture defined at the first end of the first chamber and the valve receiving region, and (iii) a second flow channel extending between the aperture defined at the first end of the second chamber and the valve receiving region; a single valve member disposed at least partially within the valve receiving region defined in the mixing asssembly, the member linearly positional between an open position and a closed position, the member defining a distal end which is exposed to both the first flow channel and the second flow channel upon the member being positioned to the open position and wherein the distal end is removed from both the first flow channel and the second flow channel upon the member being positioned to the closed position; said first chamber housing a first flowable component having a first viscosity and having a first interior hollow region of a first cross section and a first flow-governing aperture having a first aperture size, said second chamber housing a second flowable component having a second viscosity and having a second interior hollow region of a second cross section and a second flow-governing aperture having a second aperture size; said simultaneous dispensing at least two components being established by the proportions of said first cross section to said second cross section, said first aperture size to said second aperture size, and said first viscosity to said second viscosity; and, wherein the valve member defines a first deflection surface and a second deflection surface proximate the distal end. 25. The dispenser of claim 24 wherein the distal end of the valve member defines a pair of angled surfaces. 26. The dispenser of claim 25 wherein the surfaces are each concave. 27. The dispenser of claim 24 wherein upon positioning the valve member to the closed position the valve member blocks both the first flow channel and the second flow channel. 28. The dispenser of claim 24 further comprising a handle. 29. The dispenser of claim 24 wherein each of the first and second deflection surfaces are acutely angled with respect to each other. 30. The dispenser of claim 24 further comprising a dispensing tip in flow communication with the valve receiving region defined by the mixing assembly.