EP3562598B1 - Système de mélange et de distribution de liquides - Google Patents

Système de mélange et de distribution de liquides Download PDF

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Publication number
EP3562598B1
EP3562598B1 EP17885746.2A EP17885746A EP3562598B1 EP 3562598 B1 EP3562598 B1 EP 3562598B1 EP 17885746 A EP17885746 A EP 17885746A EP 3562598 B1 EP3562598 B1 EP 3562598B1
Authority
EP
European Patent Office
Prior art keywords
trigger
mixing
nozzle
dispensing
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17885746.2A
Other languages
German (de)
English (en)
Other versions
EP3562598A1 (fr
EP3562598A4 (fr
Inventor
Matthew A. Bluhm
Joseph R. Drake
Meggie L. Oudhuesden
Mark R. Clark
Thomas William Murray
Jonathan D. Albert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Decon7 Systems Inc
Original Assignee
Decon7 Systems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US15/394,591 external-priority patent/US9856072B1/en
Application filed by Decon7 Systems Inc filed Critical Decon7 Systems Inc
Publication of EP3562598A1 publication Critical patent/EP3562598A1/fr
Publication of EP3562598A4 publication Critical patent/EP3562598A4/fr
Application granted granted Critical
Publication of EP3562598B1 publication Critical patent/EP3562598B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/002—Manually-actuated controlling means, e.g. push buttons, levers or triggers
    • B05B12/0022—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement
    • B05B12/0024—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement to a single position
    • B05B12/0026—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement to a single position to inhibit delivery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • B65D83/20—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B65D83/201—Lever-operated actuators
    • B65D83/202—Lever-operated actuators combined with a hand grip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • B65D83/22—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means with a mechanical means to disable actuation
    • B65D83/224—Tamper indicating means obstructing initial actuation, e.g. removable
    • B65D83/226—Tamper indicating means obstructing initial actuation, e.g. removable preventing initial depression of the actuator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • B65D83/24—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means with means to hold the valve open, e.g. for continuous delivery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/68—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them
    • B65D83/682—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them the products being first separated, but finally mixed, e.g. in a dispensing head
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/75—Aerosol containers not provided for in groups B65D83/16 - B65D83/74
    • B65D83/753—Aerosol containers not provided for in groups B65D83/16 - B65D83/74 characterised by details or accessories associated with outlets
    • B65D83/7538—Tamper indicating means located in front of outlets

Definitions

  • the present disclosure relates generally to the field of mixing and dispensing materials and, more specifically, to combining a plurality of materials for substantially simultaneous dispensing from a nozzle.
  • the disclosed device may be used to combine and dispense a plurality of materials in a precise mixture throughout a spray cycle.
  • the disclosed device may include three separate materials that may be combined on demand to provide a spray pattern with a desired mixture upon dispensing from the devise.
  • the resulting spray may be used for various applications, such as hazardous material decontamination or more general cleaning purposes.
  • Claim 1 defines a device according to the invention.
  • the term “or” is an inclusive “or” operator, and is equivalent to the term “and/or,” unless the context clearly dictates otherwise.
  • the term “based on” is not exclusive and allows for being based on additional factors not described, unless the context clearly dictates otherwise.
  • the meaning of “a,” “an,” and “the” include plural references.
  • the meaning of “in” includes “in” and includes plural references.
  • the meaning of “in” includes “in” and “on.”
  • the present disclosure relates to a system and method for mixing and dispensing fluids. More specifically, the present disclosure relates methods and systems for quick-response decontamination, but is not limited to such uses.
  • the disclosed systems and methods may provide precise mixing of two or more materials (e.g. fluid components), selectable spray types to dispense the mixed fluid materials (e.g. stream, course wet spray), and ergonomic shape and trigger position to aide in activating mixing and dispensing.
  • the disclosed device may be used to dispense quick-response decontamination spray.
  • a user may pull or otherwise activate a trigger, which may cause the device to mix two or more materials at specific mass flow rates to provide a desired mixing and composition formulation.
  • the mixed composition is then sprayed or otherwise dispensed through a nozzle with multiple spray options.
  • the disclosed device may be one-time use and disposable, while in other embodiments the device may be reconditioned or field replaceable.
  • the decontamination device 100 may include an outer casing 102 that forms a handle portion 104, a body portion 108, and a nozzle portion 110.
  • the body portion 108 may include a bottom portion 107, a top portion 109, a front portion 111, and a rear portion 113.
  • the handle portion 104 may include a front handle arm 112 that extends from the top portion 109 of the body portion 108 proximate the front portion 111, and a rear handle arm 114 that extends away from the top portion proximate the rear portion 113, and a hand grip 105 extending between distal ends of the front and rear handle arms.
  • a handle gap 116 may be formed in a space between the top portion 109 of the body portion 108, the front handle arm 112, the rear handle arm 114, and the hand grip 105.
  • a trigger 106 may be disposed on the hand grip 105 proximate the front arm 112 so as to be accessible via the handle gap 116 by a user holding the device 100 by the hand grip. Upon activation, the trigger 106 may be depressed into the hand grip 105. It should be understood, however, that the trigger 106 may be disposed in different configurations in other embodiments.
  • the nozzle portion 110 may be disposed on the front portion 111 of the body portion 108 proximate the top portion 109.
  • the nozzle portion 110 may include a removable pull safety 118 disposed so as to at least temporarily occlude a final nozzle 120 (visible in Fig. 5 ).
  • the pull safety 118 and its engagement with the device 100 may best be appreciated by comparing Fig. 1 , which shows an embodiment of the device with the pull safety in place, and Fig. 5 , which shows an embodiment of the device with the pull safety removed.
  • the pull safety 118 may include a pull tab 122, a central cover 124, and a tail 126.
  • the central cover 124 When in place on the nozzle portion 110, the central cover 124 may engage a nozzle face 125 and fit within a nozzle ring 127 to occlude the final nozzle 120. In some embodiments, the central cover 124 may have at least a slight interference fit with the nozzle ring 127 such that the pull safety stays in place until pulled by a user.
  • the tail 126 may fit within a tail slot 128 formed in the front handle arm 112.
  • a tip orifice 130 may also be formed into the front handle arm 112 at an end of the tail slot 128 spaced away from the nozzle portion 110. In some embodiments, a tail tip 132 may fit into the tip orifice 130, as discussed in greater detail below.
  • the pull safety 118 may be removed by a user prior to dispensing fluid from the device by pulling the pull tab 122 away from the nozzle portion 110.
  • Fig. 6 shows another view of the device 100 with the pull safety 118 removed.
  • the pull safety 118 may include a tamper-evident system for removal.
  • fingers or attachments connected to the pull safety may help removably secure the pull safety 118 to the device 100.
  • the fingers may become deformed, making it difficult or impossible to replace the pull safety onto the nozzle portion.
  • This system may prevent a pull safety 118 from being replaced onto a device that has been used and, thus, does not hold a full supply of material in its canisters.
  • a pull safety 118 may be replaced onto a device that has been used and, thus, does not hold a full supply of material in its canisters.
  • One exemplary embodiment of such a system is illustrated with reference to Fig. 17 , below.
  • Other safety embodiments as alternatives to the illustrated pull safety are also contemplated herein.
  • some embodiments may include a pin inserted into one or multiple locations on the device 100 that may mechanically or otherwise prevent or limit the motion of the trigger 106, the cam component 162, the mixing manifold 146, or other components, the result of which may be to prevent mixing or dispensing of the material.
  • Fig. 7 and Fig. 8 illustrate an embodiment of the device 100 with a spray selector switch 134 formed on the nozzle face 125 that may be moved between a first position 136 (shown in Fig. 7 ) and a second position 138 (shown in Fig. 8 ).
  • the nozzle portion 110 may include the nozzle ring 127 at least partially surrounding the nozzle face 125, and the final nozzle 120 formed through the nozzle face.
  • the spray selector switch 134 may be disposed between two ends of the nozzle ring 127.
  • the nozzle face 125 may be rotated with respect to the nozzle ring 127 such that the nozzle face rotates when the spray selector switch 134 is moved from the first position 136 to the second position 138.
  • the shape or flow of spray as fluids are dispensed through the final nozzle 120 may be changed.
  • a first spray pattern may result from the spray selector switch 134 being in the first position 136 as shown in Fig.7
  • a second spray pattern may result from the spray selector switch being in the second position 138 as shown in Fig. 7 .
  • Examples of the type of spray patterns that could result from either the first position or the second position of the spray selector switch include, but are not limited to, course wet cone, course wet vertical spray, course wet horizontal spray, wide stream, straight stream, or other configurations that allow for customized spray coverage.
  • the spray selector switch could have any number of positions to indicate any number of spray patterns selectable by the user. It is also contemplated that, in some embodiments, the spray selector switch may not be affixed to the nozzle face, but may instead move along the nozzle face and cause other components within the nozzle portion to move and affect the spray shape.
  • Figs. 9 and 10 illustrate an embodiment of the device 100 with a portion of the outer casing 102 removed to show components housed within the outer casing.
  • the body portion 108 houses a first canister 140, a second canister 142, and a third canister 144 within the outer casing 102.
  • the embodiments illustrated herein show an embodiment of the device 100 holding three canisters, other embodiments with different numbers of canisters, such as two, or more than three, are also contemplated herein.
  • the canisters may of various types in varying embodiments, such as, for example, aerosol, bag-on-valve, or other technology known to those skilled in the art.
  • each canister 140, 142, 144 may be connected to a mixing manifold 146 that may be housed in the top portion 109 of the body portion 108.
  • each canister 140, 142, 144 may hold materials in its interior to be mixed within the mixing manifold 146 and dispensed through the final nozzle 120 of the nozzle portion 110 upon activation of the trigger 106.
  • the material held within the interior of each canister may vary depending on the embodiment and depending on the desired application.
  • Some non-exhaustive examples of materials that may be held within the canisters are quaternary ammonium compounds, benzyl-C12-C16 alkyl di-methyl chlorides, liquid hydrogen peroxide, and diacetin.
  • one canister may hold water with quaternary ammonium compounds held at about 120 pounds per square inch (psi) (about 8.27 bar), another canister may hold a 7.99% solution of hydrogen peroxide, unstabilized, at about 120 psi (about 8.27 bar), and another canister may hold food grade diacetin.
  • psi pounds per square inch
  • another canister may hold a 7.99% solution of hydrogen peroxide, unstabilized, at about 120 psi (about 8.27 bar)
  • another canister may hold food grade diacetin.
  • the trigger 106 may include a first trigger arm 148 housed substantially within the hand grip 105, and a second trigger arm 150 housed substantially within the rear handle arm 114.
  • the first and second trigger arms 148, 150 may meet at a pivot portion 152, which may include a pivot orifice 154 for housing a pivot fastener 156.
  • the pivot fastener 156 may be any kind of fastener suitable to fasten the trigger to the outer casing 102 through the pivot orifice 154, and to allow the trigger 106 to pivot about the pivot portion 152 around the pivot fastener 156.
  • the pivot fastener 156 may be integral to the outer casing 102 of the device 100.
  • the trigger 106 may also include a trigger input 158 disposed at a distal end 149 of the first trigger arm 148 and a trigger output 160 disposed on the distal end of the second trigger arm 150.
  • the trigger input 158 may extend out of the hand grip 105 into the handle gap 116 so as to be accessible to a user holding the device 100.
  • the trigger 106 may pivot about the pivot fastener 156, thereby converting the trigger's substantially vertical motion into substantially horizontal or lateral motion of the trigger output 160.
  • the embodiment illustrated in Figs. 9 and 10 includes a pivoting trigger
  • other contemplated embodiments may include linkages acting as cams, or a cable and pulley system, which themselves may take the form of many configurations.
  • the effect of the trigger on spray duration may vary in different embodiments, or combinations of different embodiments.
  • the device 100 may be configured so as to mix and dispense material only when the trigger 106 is actively depressed, and stop dispensing when a user releases the trigger.
  • the device 100 may be configured to begin mixing and dispensing upon trigger 106 activation, and continue to mix and dispense until the canisters are empty regardless of whether the trigger remains depressed.
  • the trigger 106 may include a spray lock that may lock the trigger in the depressed position.
  • the top portion 109 of the body portion 108 may additionally house a cam component 162 that may engage with the mixing manifold 146.
  • the cam component 162 may have a trigger end 164 and a spring end 166 opposite the trigger end.
  • the cam component 162 may be movable along a first axis 210, which in some embodiments may be a substantially horizontal or lateral direction with respect to the mixing manifold 146 between the trigger output 160 and the nozzle portion 110.
  • a spring 168 may engage with the cam component 162 to bias the cam component away from the nozzle portion 110 and toward the trigger output 160.
  • the spring end 166 of the cam component 162 may concentrically surround a component rod 169 of the cam component.
  • the spring 168 may press against a biasing stem 159 that may be anchored to the outer casing 102.
  • the trigger output 160 may move substantially along a first axis 210, which may be substantially horizontally in some embodiments, against the trigger end 164 of the cam component 162. If the trigger input 158 is depressed with enough force to overcome the biasing force of the spring 168, the cam component 162 may move with respect to the mixing manifold 146 in a direction toward the nozzle portion 110.
  • the trigger may be configured to be a palm squeeze configuration where, for example, a user's palm may press against the trigger to activate the mechanism that activates the canisters.
  • the trigger may be a thumb depress configuration that may utilize an internal mechanism to activate the canisters.
  • Figs. 11-13 show a magnified view of an embodiment of the handle portion 104 and the top portion 109 of the body portion 108 with portions of the outer casing 102 removed for the sake of clarity.
  • the cam component 162 and the mixing manifold 146 may be oriented with respect to one another such that at least one cam surface may translate the cam component movement along the first axis 210 into movement of the mixing manifold along a second axis 215 that, in some embodiments but not all, may be substantially perpendicular to the first axis.
  • the first axis 210 may be a substantially horizontal axis and the second axis 215 may be a substantially vertical axis.
  • the substantially horizontal motion of the cam component may be converted into substantially vertical motion of the mixing manifold.
  • the cam component 162 may have a first cam surface 170, a second cam surface 172, and a third cam surface 174
  • the mixing manifold 146 may have a first follower 171, second follower 173, and a third follower 175 that may engage with the first, second, and third cam surfaces, respectively.
  • the trigger output 160 pushes the cam component 162 toward the nozzle portion 110, the cam surfaces 170, 172, 174 may slide against the first, second, and third followers 171, 173, 175, respectively.
  • the mixing manifold 146 As the mixing manifold 146 is substantially limited or restricted from horizontal movement, the movement of the cam surfaces against the followers of the mixing manifold exerts a vertically downward force on the mixing manifold. As a result, the mixing manifold 146 may move from a passive position vertically downward toward the canisters 140, 142, 144 into a dispensing position.
  • the cam and follower relationship between the cam component 162 and the mixing manifold 146 is also shown in section in Fig. 14 .
  • the embodiment illustrated herein shows three respective cam surface and followers, embodiments of the cam component and mixing manifold having more or fewer respective cam surface and followers.
  • the number of cam surface and corresponding followers may correspond to the number of canisters used in a particularly device.
  • a device housing two canisters may include a cam component having two cams and a mixing manifold having two corresponding followers.
  • the cam component may be integrated into the trigger itself.
  • the vertically downward motion of the mixing manifold 146 may open each of a first valve 176, a second valve 178, and a third valve 180 between the first, second, and third canisters 140, 142, 144, respectively, releasing the canisters' contents into the mixing manifold.
  • the interaction between the canisters 140, 142, 144, their respective valves 176, 178, 180, and the mixing manifold 146 is best illustrated in Fig. 14.
  • Fig. 14 illustrates a cross-sectional view of an embodiment of the device 100 with focus on the top portion 109, and interaction of the valves, the canisters, and the mixing manifold.
  • each valve 176, 178, 180 may include a direct connection to the mixing manifold 146 with an integrated nozzle in the manifold. It is contemplated, however, that other types of connections may be used in other embodiments.
  • the connection between the canisters 140, 142, 144 and the mixing manifold 146 may include a male nozzle on the top of a canister that may be pressed into a gland or wiper seal on the mixing manifold, or the male nozzle may be pressed into a receiving cone on the mixing manifold, or other connections known to one skilled in the art.
  • the mixing manifold 146 may be substantially hollow so as to form a mixing chamber 182 within the mixing manifold.
  • the mixing chamber 182 may run substantially the entire length of the mixing manifold 146, from the nozzle portion 110 to a chamber cap 184 opposite the nozzle portion that seals off the mixing chamber.
  • a chamber insert 186 may be disposed within the mixing chamber 182 so as to be substantially surrounded by the mixing manifold 146.
  • the size and shape of the chamber insert 186 may influence the volume and flow patterns within the mixing chamber 182. For example, a relatively large chamber insert may result in relatively small mixing chamber volume, and a relatively small chamber insert may result in a relatively large mixing chamber volume.
  • the size and shape of the mixing chamber 182 may affect the flow pattern and mixing quality of the multiple materials of the canisters 140, 142, 144 as they pass through the mixing chamber and eventually out the nozzle portion 110.
  • each of the first, second, and third valves 176, 178, 180 has a stem portion and a valve bore formed through the stem portion that may provide fluid communication between each respective canister 140, 142, 144 and the mixing chamber 182 when the valves are in an open position.
  • the trigger 106 is activated, causing the trigger output 160 to move the cam component 162 horizontally and press the cam surfaces 170, 172, 174 against the followers 171, 173, 175, the mixing manifold 146 is pressed vertically downward.
  • the downward vertical movement of the mixing manifold 146 results in the valve stem portions moving downward and simultaneously moving the valves 176, 178, 180 into an open position.
  • the contents of the canisters 140, 142, 144 may enter the mixing chamber 182 at substantially the same time allowing for mixing.
  • the first, second, and third canisters 140, 142, 144 may be disposed within the outer casing 102 of the device 100 and arranged such that an upper portion of the canisters may engage with the respective valves. Specifically, an upper portion 151 of the first canister 140 may be disposed so as to engage the first valve 176, an upper portion of the second canister 142 may be disposed so as to engage the second valve 178, and the third canister 144 may be disposed so as to engage the third valve 180.
  • the first valve 176 may have a first stem portion 188 with a first valve bore 189 formed through the first stem portion that may provide fluid communication between the first canister 140 and the mixing chamber 182.
  • the second valve 178 may have a second stem portion 190 with a second valve bore 191 formed through the second stem portion that may provide fluid communication between the second canister 142 and the mixing chamber 182.
  • the third valve 180 may have a third stem portion 192 with a third valve bore 193 formed through the third stem portion that may provide fluid communication between the third canister 140 and the mixing chamber 182.
  • the upper portions 151, 153, 155 of each respective canister 140, 142, 144 may form a valve orifice 194, 195, 196 or other accommodation to accept or otherwise engage each respective valve 176, 178, 180.
  • each valve bore may vary between valves and depending on the desired mixture quality.
  • the first valve bore 189 formed through the first stem portion 188 may be relatively narrower as compared to the second valve bore 191 formed through the second stem portion 190.
  • the third valve 180 shown in Fig. 14 may include a restrictor orifice as the third valve bore 193 formed through the third stem portion 192 narrows near the mixing chamber 182.
  • valve bores and other types may be used in any combination to affect the mixture being dispensed from the device 100.
  • other types of device components may be used to control the proportions of material entering the mixing chamber 182 from the canisters and the amount of material flowing out of the final nozzle 120.
  • other embodiments may include induced vortexes, pressure adjusted orifices, resistance force orifices, etc.
  • Such components and the features described herein may increase control of the proportions of the mixed materials from either a mass or volume basis, because in some embodiments, the dispensed material may rely on tight control of mix percentage.
  • Fig. 14 also shows the relationship between the mixing manifold 146, the chamber insert 186, and the nozzle face 125.
  • a nozzle end 197 of the chamber insert 186 and a nozzle end 198 of the mixing manifold 146 may engage with the nozzle face 125, forming a flow path between the mixing chamber 182 and the final nozzle 120.
  • the nozzle face 125 may include a substantially cylindrical outer nozzle collar 121 that may accept the nozzle end 198 of the mixing manifold 146.
  • the nozzle face 125 may also include an inner nozzle collar 123 that is substantially concentric with the outer nozzle collar 121 that may accept the nozzle end 197 of the chamber insert 186. In the embodiment shown in Fig.
  • a mixing space 129 may be formed within the outer nozzle collar 121 and the nozzle end 198 of the mixing manifold 146 that may be in fluid communication with the mixing chamber 182.
  • the inner nozzle collar 123 may substantially surround the nozzle end 197 of the chamber insert 182, it should be understood that at least a portion of the inner nozzle collar may allow fluid communication between the mixing space 129 and the final nozzle 120. In some embodiments, however, the engagement between the nozzle end 197 of the chamber insert 186 and the inner nozzle collar 123 may at least somewhat restrict flow between the mixing space 129 and the final nozzle 120.
  • Such restriction may, in some embodiments, allow for improved mixing to take place within the mixing space 129 as the materials released from the canisters 140, 142, 144 flow through the mixing chamber 182 and converge in the mixing space 129.
  • the material released from a canister nearest the nozzle portion 110 e.g., the third canister 144
  • the restrictive engagement between the nozzle end 197 of the chamber insert 186 and the inner nozzle collar 123 of the nozzle face 125 may slow dispersion of the materials so as to allow opportunity for more thorough mixing prior to ejection from the final nozzle 120.
  • Another view of the relationship between the mixing manifold 146, the chamber insert 186, and the nozzle face 125 is also shown in Fig. 15 with the pull safety 118 in place over the nozzle face 125.
  • the materials stored in the respective canisters 140, 142, 144 may be released into the mixing chamber 182, flow into the mixing space 129, and out through the final nozzle 120 as a mixture upon a user activating the trigger 106.
  • Figs. 16 and 17 show the relationship between the pull safety 118 and the trigger 106.
  • the pull safety 118 may prevent activation of the trigger 106 while in place.
  • the tail 126 of the pull safety 118 may include a tail tip 132 that may fit through a tip orifice 130 formed in the front handle arm 112 to engage the distal end 149 of the first trigger arm 148.
  • a safety bore 147 may be formed into the distal end 149 of the first trigger arm 148 to accept the tail tip 132.
  • the tail tip 132 may prevent the first trigger arm 148 from moving when a user applies pressure to the trigger input 158.
  • This safety mechanism may prevent accidental or inadvertent activation and dispensing of the materials stored within the device 100.
  • the user may remove the pull safety 118, for example, by pulling on the pull tab 122. Pulling on the pull tab 122 may remove the central cover 124 from its position over the nozzle face 125 and may further remove the tail tip 132 from the safety bore 147 in the trigger.
  • Such embodiments of the pull safety 118 and the trigger 106 may help prevent misfiring of the device because the pull safety may be configured such that the tail tip 132 may not be removable from the safety bore 147 and tip orifice 132 until the central cover 124 has already been pulled clear of the final nozzle 120. In other embodiments, however, it is contemplated that the tail tip 132 and central cover 124 may be removed individually.
  • the tail tip 132 may include at least one finger 133, each of which may further include a finger protuberance 135.
  • the safety bore 147 may be formed relatively wider at toward its end than at its entrance so as to accommodate the finger protuberances 135 when the tail tip 132 is in place within the safety bore.
  • a gap may be formed between fingers 133 such that when the tail tip 132 is removed from the safety bore, the sloped walls of the safety bore 147 are made to press against the protuberances 135, forcing the distal ends of the fingers 133 inward.
  • This inward movement of the fingers 133 may allow the tail tip 132 to be removed from the safety bore 147 when a user pulls with sufficient force to overcome the fingers' tendency to resist inward movement.
  • the elasticity of the fingers 133 may force the distal ends back into the originally expanded positions.
  • the fingers 133 may spread apart to a width that is greater than the width of the entrance to the safety bore 147, preventing or limiting the ability to re-insert the tip tail 132 into the safety bore.
  • a potential user of the device 100 may know that the device may not be full because the pull safety 118 has previously been removed.
  • the fingers 133 may not spring back into place, but instead be permanently deformed as they are removed from the safety bore 147.
  • the tip tail 132 may not be made to be secure within the safety bore 147 because the protuberances 135 may not press outwardly against the walls of the safety bore.
  • a potential user may also be alerted to the fact that the pull safety 118 has previously been removed and the canisters may not be full.
  • Fig. 18 shows the device 100 in a dispensing position in which the trigger 106 has been moved from a passive position (e.g., Fig. 13 ), into a dispending position.
  • the trigger output 160 may press against the trigger end 164 of the cam component 162, moving the cam component horizontally from a passive position toward the nozzle portion 110 into a dispensing position.
  • the cam surfaces 170, 172, 174 may press downward on the first, second, and third followers 171, 173, 175, respectively, which may move the mixing manifold toward the canisters 140, 142, 144 from a passive position into a dispensing position.
  • the mixing manifold's 146 downward movement may open the first, second, and third valves 176, 178, 180, allowing the material in the respective canisters 140, 142, 144 to enter the mixing manifold, mix, and be dispensed through the nozzle.
  • Figs. 19 and 20 shows an alternative embodiment of a safety pull 218 that has a tail tip 232 that may be used with a trigger 206 forming a safety bore 247 at its distal end 249.
  • the tail tip 232 may include a first finger 233 and a second finger 234 with a gap 235 formed between the two fingers.
  • the safety bore 247 may be formed relatively wider toward its end then at its entrance so as to house the first and second fingers 233, 234 when the tail tip 232 is in place within the safety bore.
  • At least one of the first or second fingers 233, 234 may include a finger cam 236.
  • the finger cam 236 from the walls of the safety bore may force the second finger 234 toward the first finger 233, narrowing the gap 235 when a user pulls with sufficient force to overcome the fingers' tendency to resist inward movement.
  • the elasticity of the fingers 233, 234 may force the distal ends back into the originally expanded positions. In such embodiments, the fingers 233, 234 may spread apart to a width that is greater than the width of the entrance to the safety bore 247, preventing or limiting the ability to re-insert the tip tail 232 into the safety bore.
  • a potential user of the device 100 may know that the device may not be full because the pull safety 218 has previously been removed.
  • the fingers 233, 234 may not spring back into place, but instead be permanently deformed as they are removed from the safety bore 247.
  • the tip tail 232 may not be made to be secure within the safety bore 247 because the finger cam 236 and fingers 233, 234 may not press outwardly against the walls of the safety bore.
  • a potential user may also be alerted to the fact that the pull safety 218 has previously been removed and the canisters may not be full.
  • the device 100 described above may be of virtually any practical size and dimensions so long as it is capable of performing the described functions. Some embodiments of the device, however, may have contain a volume of material of about 14.5 oz. (about 430 mL), about 22 oz. (about 650 mL), or about 29.5 oz. (about 875 mL).
  • the device may have a width of about 6.6 inches (about 167.5 mm), a depth of about 2.3 inches (about 59 mm), and a height of about 13 inches (about 330 mm).
  • the device may have a width of about 6.6 inches (about 167.5 mm), a depth of about 2.3 inches (about 59 mm), and a height of about 16.2 inches (about 412 mm). In other embodiments, the device may have a width of about 7.7 inches (about 196 mm), a depth of about 3 inches (about 76 mm), and a height of about 13.8 inches (about 350 mm).
  • the disclosed device 100 may be used for a variety of different applications for which dispensing a mixture of materials may be desired.
  • One possible application may be in decontamination of biologic agents, including, but not limited to, strains of bacillus anthracis like Ames-RIID and ANR-1, and yersinia pestis (e.g., ATCC 11953).
  • Another application may be in decontamination of chemical agents, such as, but not limited to, mercury (Hg), GD nerve agents (i.e., pinacolyl methylphosphonofluoridate or 1,2,2-trimethylpropyl methylphosphonofluoridate), or VX nerve agents (i.e., O-ethyl S-(2-diisopropylaminoethyl) methylphosphonothiolate or methylphosphonothioic acid).
  • Another application may be in decontamination of human excretions including, but not limited to, urine, vomit, feces, blood, and other bodily fluids.
  • the time to decontamination may be about 10 minutes after spraying. In some embodiments, the time to decontamination could be 10 seconds, or 20 seconds, or 20 minutes in yet other embodiments.
  • the following is an example of a method of using the device disclosed herein. Those of ordinary skill in the art will recognized that these steps may be performed in any practical order so as to dispense the mixture in a desired use.
  • the user may identify a hazardous material or otherwise contaminated target. If the device is stored in a pouch or holder, the device may be removed. The user may check whether the pull safety is in place, and may determine not to use the device if the safety or central cover has been previously removed. The user may select a spray type as appropriate for the application.
  • turning the spray selector to the left may result in a stream dispensing shape
  • turning the spray selector to the right may result in a coarse wet spray shape
  • the user may pull the pull tab to remove the pull safety and the central cover from the nozzle portion.
  • the user may aim the nozzle portion at the contaminant or other hazardous material, and squeeze the trigger to activate the trigger mechanism and open the canister valves.
  • a full stream of dispensed spray may last about 40 seconds, or about 35 seconds in other embodiments. It should be understood, however, that time to dispense the spray may vary depending on how full the canisters are for a particular use, and on the pressure within the canisters.
  • the user may start and stop spraying periodically.
  • a 14.5 oz. (430 mL) device may coat up to about 25 square feet (2.3 square meters).
  • a 10.6 oz. (315 mL) device may coat up to about 18 square feet (1.67 square meters).
  • the user may wait at least 10 minutes, in some embodiments, for the hazardous material to be decontaminated, but other wait times may apply depending on the application.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)

Claims (11)

  1. Dispositif de mélange et de distribution (100) comprenant :
    un boîtier extérieur (102) comprenant une partie corps (108), une partie poignée (104), et une partie buse (110), la partie poignée (104) étant reliée à une partie supérieure (109) de la partie corps (108) et la partie buse (110) comprenant une buse (120) ;
    un collecteur de mélange (146) disposé dans la partie supérieure (109) de la partie corps (108), le collecteur de mélange (146) comprenant une chambre de mélange (182) en communication de fluide avec la buse (120) ;
    une pluralité de bidons (140, 142, 144) disposés à l'intérieur de la partie corps (108), chacun de la pluralité de bidons (140, 142, 144) comprenant une valve (176, 178, 180) reliée au collecteur de mélange (146), la valve (176, 178, 180) étant déplaçable entre une position passive de la valve, dans laquelle la valve (176, 178, 180) empêche la communication de fluide entre un intérieur du bidon (140, 142, 144) et la chambre de mélange (182), et une position de distribution de la valve, dans laquelle la valve (176, 178, 180) établit une communication de fluide entre l'intérieur du bidon (140, 142, 144) et la chambre de mélange (182) ;
    une gâchette (106) comprenant une entrée de gâchette (158) et une sortie de gâchette (160), la gâchette (106) étant au moins partiellement disposée à l'intérieur de la partie poignée (104), et la gâchette (106) étant configurée pour se déplacer entre une position passive de la gâchette et une position de distribution de la gâchette, un déplacement de la gâchette (106) jusqu'à la position de distribution de la gâchette amenant la valve (176, 178, 180) de chaque bidon (140, 142, 144) à se déplacer de la position passive de la valve à la position de distribution de la valve, la gâchette (106) comprenant un alésage de sécurité (147) ; et
    une sécurité de traction (118) comprenant un couvercle central (124) et un embout de queue (132), la sécurité de traction (118) étant disposée de manière amovible sur le boîtier extérieur (102) de telle sorte que le couvercle central (124) obture la buse (120) et l'embout de queue (132) empêche un déplacement de la gâchette (106) de la position passive de la gâchette à la position de distribution de la gâchette, l'embout de queue (132) étant disposé de manière amovible dans l'alésage de sécurité (147) et une largeur d'une extrémité distale de l'embout de queue (132) étant supérieure à une largeur d'une entrée de l'alésage de sécurité (147).
  2. Dispositif de mélange et de distribution selon la revendication 1, dans lequel un déplacement de la gâchette (106) de la position passive de la gâchette à la position de distribution de la gâchette conduit à une communication de fluide entre l'intérieur de chaque bidon (140, 142, 144), la chambre de mélange (182) et la buse (120) .
  3. Dispositif de mélange et de distribution selon la revendication 1 ou 2, dans lequel l'extrémité distale de l'embout de queue (132) comprend un premier doigt (133) et un second doigt (133) avec un intervalle formé entre les premier et second doigts (133) disposés à l'intérieur de l'alésage de sécurité (147), les premier et second doigts (133) étant configurés pour s'étendre à une largeur qui est supérieure à l'entrée de l'alésage de sécurité (147) lorsque les premier et second doigts (133) sont retirés de l'alésage de sécurité (147) de façon à empêcher la réintroduction de l'embout de queue (132) dans l'alésage de sécurité (147).
  4. Dispositif de mélange et de distribution selon l'une quelconque des revendications précédentes, dans lequel la partie poignée (104) du boîtier externe (102) forme un orifice d'embout (130) qui est sensiblement aligné avec l'alésage de sécurité (147) lorsque la gâchette (106) est dans la position passive de la gâchette de façon à permettre à l'embout de queue (132) de passer à travers l'orifice d'embout (130) et dans l'alésage de sécurité (147) .
  5. Dispositif de mélange et de distribution selon l'une quelconque des revendications précédentes, comprenant en outre un composant came (162) disposé dans la partie supérieure (109) de la partie corps (108), le composant came (162) étant configuré pour convertir un déplacement de la gâchette (106) de la position passive de la gâchette à la position de distribution de la gâchette en un déplacement du collecteur de mélange (146) d'une position passive du collecteur de mélange à une position de distribution du collecteur.
  6. Dispositif de mélange et de distribution selon la revendication 4, dans lequel un déplacement du collecteur de mélange (146) de la position passive du collecteur de mélange à la position de distribution du collecteur amène chaque valve (176, 178, 180) de la pluralité de bidons (140, 142, 144) à se déplacer de la position passive de la valve à la position de distribution de la valve.
  7. Dispositif de mélange et de distribution selon l'une quelconque des revendications 1 à 4, comprenant en outre un composant came (162) disposé dans la partie supérieure (109) de la partie corps (108), le composant came (162) étant configuré pour être engagé par la sortie de gâchette (160) pour déplacer le composant came (162) le long d'un premier axe d'une position passive du composant de came à une position de distribution du composant de came lorsque la gâchette (106) se déplace de la position passive de la gâchette à la position de distribution de la gâchette.
  8. Dispositif de mélange et de distribution selon la revendication 7, comprenant en outre un ressort (168) disposé dans la partie supérieure (109) de façon à solliciter le composant came (162) vers la sortie de gâchette (160).
  9. Dispositif de mélange et de distribution selon la revendication 7 ou 8, dans lequel le collecteur de mélange (146) est en communication avec le composant came (162) de telle sorte qu'un déplacement du composant came (162) le long du premier axe (210) de la position passive du composant de came à la position de distribution du composant de came amène un déplacement du collecteur de mélange (146) le long d'un second axe (215) d'une position passive du collecteur à une position de distribution du collecteur.
  10. Dispositif de mélange et de distribution selon la revendication 9, dans lequel le premier axe (210) est sensiblement perpendiculaire au second axe (215).
  11. Dispositif de mélange et de distribution selon l'une quelconque des revendications précédentes, dans lequel le couvercle central (124) de la sécurité de traction (118) est disposé sur la buse (120).
EP17885746.2A 2016-12-29 2017-12-27 Système de mélange et de distribution de liquides Active EP3562598B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15/394,591 US9856072B1 (en) 2016-08-03 2016-12-29 System for mixing and dispensing fluids
US15/410,741 US9855572B1 (en) 2016-08-03 2017-01-19 System for mixing and dispensing fluids
PCT/US2017/068604 WO2018125943A1 (fr) 2016-12-29 2017-12-27 Système de mélange et de distribution de liquides

Publications (3)

Publication Number Publication Date
EP3562598A1 EP3562598A1 (fr) 2019-11-06
EP3562598A4 EP3562598A4 (fr) 2020-01-22
EP3562598B1 true EP3562598B1 (fr) 2021-09-15

Family

ID=62710689

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17885746.2A Active EP3562598B1 (fr) 2016-12-29 2017-12-27 Système de mélange et de distribution de liquides

Country Status (7)

Country Link
EP (1) EP3562598B1 (fr)
CN (1) CN110139720B (fr)
AU (1) AU2017388358B2 (fr)
CA (1) CA3049840C (fr)
MX (1) MX2019007778A (fr)
TW (1) TWI649129B (fr)
WO (1) WO2018125943A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303970A (en) * 1964-07-14 1967-02-14 Jerome Marrow Device for simultaneously dispensing from plural sources
CH507027A (de) * 1966-03-07 1971-05-15 Mueller Arthur Halter für Sprühdosen
US4505335A (en) * 1982-11-12 1985-03-19 Asp International, Inc. Fire extinguisher handle securing apparatus
US4880143A (en) 1988-10-20 1989-11-14 Insta-Foam Products Dispenser and components for high viscosity foam products
EP0947518A1 (fr) * 1998-03-31 1999-10-06 Gelato Quick S.a.s. di A. Giorgetti & C. Machine de vente de boissons automatique
US7967220B2 (en) * 2002-09-13 2011-06-28 Bissell Homecare, Inc. Manual sprayer with dual bag-on-valve assembly
US7906473B2 (en) * 2002-09-13 2011-03-15 Bissell Homecare, Inc. Manual spray cleaner
US7500621B2 (en) * 2003-04-10 2009-03-10 Homax Products, Inc. Systems and methods for securing aerosol systems
IT1393228B1 (it) * 2009-03-02 2012-04-11 Taplast Srl Unita' per l'erogazione di fluidi o miscele e relativo dispositivo di erogazione.
US20120080541A1 (en) * 2010-10-04 2012-04-05 Schnell John W Nozzle closure device for a paint sprayer

Also Published As

Publication number Publication date
TWI649129B (zh) 2019-02-01
CA3049840A1 (fr) 2018-07-05
EP3562598A1 (fr) 2019-11-06
CN110139720B (zh) 2020-08-11
MX2019007778A (es) 2019-11-05
AU2017388358B2 (en) 2019-12-05
CA3049840C (fr) 2020-01-28
EP3562598A4 (fr) 2020-01-22
WO2018125943A1 (fr) 2018-07-05
AU2017388358A1 (en) 2019-07-11
CN110139720A (zh) 2019-08-16
TW201831232A (zh) 2018-09-01

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