# US 8,770,451 B2 · Cartridge system having a device for synchronising two fluid flows > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,770,451 B2 - Document ID: US8770451B2 - Status: Granted - Kind: B2 - Application number: 13/822,897 - Filed: 2011-08-10 - Published: 2013-07-18 - Granted: 2014-07-08 - Earliest claimed: 2010-09-22 - Assignees: Heraeus Medical GmbH - Applicants: Sebastian Vogt; Hubert Buechner - Inventors: Sebastian Vogt; Hubert Buechner - Web page: https://patentgrep.com/patent/US8770451B2 ## CPC - B65D 83/76: for dispensing fluent contents by means of a piston - A61B 17/8822: {characterised by means facilitating expulsion of fluid from the introducer, e.g. a screw pump plunger, hydraulic force transmissions, application of vibrations or a vacuum} - B01F 33/50112: {of the syringe or cartridge type} - B01F 35/7174: {using pistons, plungers or syringes} - B01F 35/718051: {being adjustable} - B05C 17/00516: {Shape or geometry of the outlet orifice or the outlet element} - B05C 17/00553: {with means allowing the stock of material to consist of at least two different components} - B05C 17/00556: {with means for adjusting the proportions of the components} - B05C 17/00573: {the reservoir or container being pneumatically or hydraulically pressurized (B05C17/0054, B05C17/015 take precedence)} - A61B 2017/00544: {pneumatically} - A61B 2017/8838: {for mixing bone cement or fluid fillers} - B01F 2101/19: Mixing dentistry compositions - B01F 2101/20: Mixing of ingredients for bone cement - B05B 1/1636: {by relative rotative movement of the valve elements (B05B1/1672 takes precedence)} - 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 - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - B01F: MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING (mixing paints B44D3/06) - B05C: APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (spraying apparatus, atomising apparatus, nozzles B05B; plant for applying liquids or other fluent materials to objects by electrostatic spraying B05B5/08) - B05B: SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES (spray-mixers with nozzles B01F25/72; processes for applying liquids or other fluent materials to surfaces by spraying B05D) ## Abstract A cartridge system has two cartridges and a discharge opening, wherein the cartridges are delimited by cartridge walls and by a cartridge head, wherein at least one cartridge opening for expelling the cartridge contents from both cartridges is provided in each case in the cartridge head. A device regulates streams of fluid from the cartridges and is arranged rotatably or slideably on the cartridge head, wherein on at least two openings at least one wing is in each case arranged which at least in some areas protrudes past the opening, such that a flow through the openings applies to the device a force which force leads to a sliding or turning of the device against the cartridge head, such that a housing having a discharge opening is arranged on the cartridge head, in which the housing is arranged so as to rotate or slide. ## Claims ### Claim 1 A cartridge system, for mixing and applying two fluids or flowable pastes, comprising two cartridges (10) and a dispensing opening (80), whereby the two cartridges (10) are bordered through cartridge walls and through a cartridge head (20, 120), whereby at least one cartridge opening (30, 130, 230), each for expelling the cartridge contents from both cartridges (10), is provided in the cartridge head, wherein a device (40, 140, 240), for regulating fluid flows from the cartridges (10), is arranged on the cartridge head (20, 120) and comprises at least two wings (60, 160, 260) and at least two openings (50, 150, 250) which overlap, at least partly, with at least two cartridge openings (30, 130, 230), whereby the device (40, 140, 240) is arranged on the cartridge head (20, 120) to be rotatable or shiftable, whereby the at least two openings (50, 150, 250) have arranged thereon at least one wing (60, 160, 260) each projecting, at least partly, over the openings (50, 150, 250), such that a fluid flow through the at least two openings (50, 150, 250) effects, via the wings (60, 160, 260), a force as a result of the fluid flow that acts on the device (40, 140, 240) and is parallel to an axis of the at least two openings (50, 150, 250) leading to the device (40, 140, 240) being rotated or shifted with respect to the cartridge head (20, 120) upon which surface area of the cartridge openings (30, 130, 230) overlapping with the device (40, 140, 240) changes, and in that the cartridge head (20, 120) has a housing (70) comprising the dispensing opening (80) arranged on the cartridge head, in which the device (40, 140, 240) is arranged to be rotatable or shiftable. ### Claim 2 (depends on 1) The cartridge system according to claim 1, wherein the two cartridges (10) are cylindrical two-component side-by-side cartridges (10). ### Claim 3 (depends on 2) The cartridge system according to claim 2, wherein the device (40, 140, 240) is arranged suitably such that the device is rotatable about an axis parallel to the cartridge axis or shifted in a direction perpendicular to the cartridge axis. ### Claim 4 (depends on 1) The cartridge system according to claim 1, wherein the cartridge head (20, 120) is provided as a planar surface (121). ### Claim 5 (depends on 4) The cartridge system according to claim 4, wherein the device (40, 140, 240) is a planar circular disc (140, 240) having the at least two openings (50, 150, 250) and the at least two wings (60, 160, 260) arranged on the at least two openings. ### Claim 6 (depends on 1) The cartridge system according to claim 1, wherein the cartridge openings (30, 130, 230) connect the interior spaces (11) of the two cartridges (10) to an upper side of the cartridge head (20, 120) on which the device (40, 140, 240) is arranged. ### Claim 7 (depends on 1) The cartridge system according to claim 1, wherein the cartridge openings (30, 130, 230) are provided in the cartridge head whereby the at least two openings (50, 150, 250) overlap with the cartridge openings (30, 130, 230), at least partly. ### Claim 8 (depends on 1) The cartridge system according to claim 1, wherein the wings (60, 160, 260) comprise an angle of inclination with respect to the at least two openings (50, 150, 250) of 1° to 89°. ### Claim 9 (depends on 1) The cartridge system according to claim 1, wherein the wings (60, 160, 260) are flat discs. ### Claim 10 (depends on 1) The cartridge system according to claim 1, wherein the device (40, 240) is supported on the cartridge head (20) to be shiftable, and the wings (60, 260) are inclined in opposite directions with respect to the direction of shifting, whereby forces acting on the wings (60, 260) as a result of a fluid flowing through the at least two openings (50, 250) are directed in opposite directions with respect to the shiftable device (40, 240). ### Claim 11 (depends on 1) The cartridge system according to claim 1, wherein the device (40, 140) is supported on the cartridge head (20, 120) to be rotatable, and the wings (60, 160) are inclined in opposite directions with respect to the rotation axis, whereby torques acting on the wings (60, 160) as a result of a fluid flowing through the openings (50, 150) are directed in opposite directions with respect to the rotation axis of the device (40, 140). ### Claim 12 (depends on 1) The cartridge system according to claim 1, wherein the housing (70) has an internal diameter that is larger than or equal to the device (40, 140, 240), and a distance of the device (40, 140, 240) from an upper inside of the housing (70) is larger than a perpendicular line from an outside of the wings (60, 160, 260) to a surface of the device (40, 140, 240). ### Claim 13 (depends on 1) The cartridge system according to claim 1, wherein the housing (70) has a guidance (71) for the device (40, 140, 240) on an inside of the housing. ### Claim 14 (depends on 1) The cartridge system according to claim 1, wherein the dispensing opening (80) has first attaching means (82) arranged on the dispensing opening. ### Claim 15 (depends on 1) The cartridge system according to claim 1, wherein the cartridges (10) are bordered on the sides opposite from the cartridge head (20, 120) through one feed plunger (12) each for expelling starting components of a mixture from the cartridges (10), whereby the feed plungers (12) are arranged to be mobile in the inside space (11) of the cartridges (10). ### Claim 16 (depends on 1) The cartridge system according to claim 1, further comprising: a dispensing tube (90), comprising a static mixer (96), arranged on the dispensing opening (80). ### Claim 17 (depends on 1) The cartridge system according to claim 1, wherein the housing (70) has second attaching means (83) arranged on the housing that is usable to attach the housing (70) to third attaching means (84) arranged on the cartridges (10). ### Claim 18 (depends on 1) The cartridge system according to claim 1, wherein the device (40, 140, 240) closes fluid-tightly with respect to the cartridge head (20, 120) such that at least two cartridge openings (30, 130, 230) and the at least two openings (50, 150, 250) of the device (40, 140, 240) arranged above form at least two fluid-tight connections from an inside space (11) of the cartridges (10) to an inside space of the housing (70). ### Claim 19 (depends on 1) The cartridge system according to claim 1, wherein the cartridges (10) are closed or opened through rotating or shifting the device (40, 140, 240). ### Claim 20 (depends on 1) A device (40, 140, 240) for the cartridge system according to claim 1 that is arrangeable on a cartridge head (20, 120) of the cartridge system to be rotatable or shiftable, the device comprises the at least two openings (50, 150, 250) usable to cover the at least two cartridge openings (30, 130, 230) of the cartridge system, and the at least two wings (60, 160, 260) arranged at edges of the at least two openings (50, 150, 250) and inclined over at least a portion of the at least two openings (50, 150, 250). ### Claim 21 (depends on 1) A method for synchronising fluid flows using the cartridge system according to claim 1, comprising pressing two fluid flows through the cartridge openings (30, 130, 230) and through the at least two openings (50, 150, 250) of the device (40, 140, 240); redirecting the fluid flows by means of the wings (60, 160, 260); applying different forces to the wings (60, 160, 260) if the viscosity of the fluids differs due to the difference in flow rate; wherein the device (40, 140, 240) is rotatable or shiftable, whereby the at least two openings (50, 150, 250) are shiftable with respect to the cartridge openings (30, 130, 230) and thus a first passage area that is bordered by one cartridge opening (30, 130, 230) and the at least two openings (50, 150, 250) situated above the first passage area is made smaller for the lower viscosity fluid, and a second passage area for a higher viscosity fluid is made larger until forces acting on the wings (60, 160, 260) become equal due to the change in fluid flows through the first and second passage areas, and the rotary motion or shifting of the device (40, 140, 240) is stopped. ### Claim 22 (depends on 21) The method according to claim 21, wherein the fluid flows, once pressed through the openings (50, 150, 250), are pressed into the housing (70) and are then pressed through the dispensing opening (80) out of the housing (70). ### Claim 23 (depends on 1) A method, for mixing two fluids or flowable pastes, comprising: mixing the two fluids or flowable pastes with the cartridge system according to claim 1 to form a mixture, wherein the mixture is a flowing pasty adhesive, a pasty sealant, a pasty food item, a pasty dental material, a pasty inorganic bone cement or a pasty polymethylmethacrylate bone cement.