# US 10,870,127 B2 · Cartridge for a mixing and dispensing system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,870,127 B2 - Document ID: US10870127B2 - Status: Granted - Kind: B2 - Application number: 16/149,486 - Filed: 2018-10-02 - Published: 2020-04-02 - Granted: 2020-12-22 - Earliest claimed: 2018-10-02 - Assignees: Sulzer Mixpac AG - Applicants: Sulzer Mixpac AG - Inventors: Tobias Bodenmüller; Hayden Turner - Web page: https://patentgrep.com/patent/US10870127B2 ## CPC - B05C 17/00583: {the container for the material to be dispensed being deformable} - B01F 35/513: Flexible receptacles, e.g. bags supported by rigid containers - B01F 35/522: {comprising compartments keeping the materials to be mixed separated until the mixing is initiated (containers or packages for packaging two or more different materials which must be maintained separate prior to use in admixture B65D81/32)} - B05C 17/00516: {Shape or geometry of the outlet orifice or the outlet element} - B05C 17/00559: {the different components being stored in coaxial chambers} - B05C 17/00596: {The liquid or other fluent material being supplied from a rigid removable cartridge having no active dispensing means, i.e. the cartridge requiring cooperation with means of the handtool to expel the material} - B32B 1/00: Layered products having a non-planar shape - B32B 15/082: comprising vinyl resins; comprising acrylic resins - B32B 15/085: comprising polyolefins - B32B 15/088: comprising polyamides - B32B 15/09: comprising polyesters - B32B 15/20: comprising aluminium or copper {(B32B15/016 and B32B15/017 take precedence)} - B32B 27/08: of synthetic resin - B32B 27/306: {comprising vinyl acetate or vinyl alcohol (co)polymers} - B32B 27/32: comprising polyolefins {(comprising vinyl (co)polymers or acrylic (co)polymers B32B27/30)} - B32B 27/34: comprising polyamides - B32B 27/36: comprising polyesters - B65D 83/7713: {the contents of a flexible bag being expelled by a piston, or a movable bottom or partition provided in the container or the package} - B01F 2101/2305: {Mixers of the two-component package type, i.e. where at least two components are separately stored, and are mixed in the moment of application} - B05C 17/00553: {with means allowing the stock of material to consist of at least two different components} - B32B 2307/514: Oriented - B32B 2307/518: bi-axially - B32B 2307/536: Hardness - B32B 2307/54: Yield strength; Tensile strength - B32B 2307/558: Impact strength, toughness - B32B 2307/718: Weight, e.g. weight per square meter - B32B 2307/7244: Oxygen barrier - B32B 2307/7246: Water vapor barrier - B32B 2307/732: Dimensional properties - B32B 2439/46: Bags - B65D 2231/001: the container being a bag - 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) - B01F: MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING (mixing paints B44D3/06) - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - 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 ## Abstract A cartridge for a one or two-component mixing and dispensing system includes at least one flexible film bag as a cartridge wall, a rigid front part that is in particular integrally formed with the at least one flexible film bag and that is arranged at a front end section of the at least one film bag, the rigid front part including at least one outlet opening. The cartridge for a two-component mixing and dispensing system has a first flexible film bag as a cartridge wall and a second flexible film bag as a cartridge wall, and a structure surrounding the cartridge. ## Claims ### Claim 1 A cartridge for a one or two-component mixing and dispensing system, comprising: at least one flexible film bag as a cartridge wall, a rigid front part that is arranged at a front end section of the at least one film bag, the rigid front part comprising at least one outlet opening, the at least one film bag comprising a film having multilayers, the multilayers of the film comprising at least an inner layer and an outer layer, at least one layer of the multilayers of the film bag comprising one of the following: aluminum, ethylene vinyl alcohol, recycled material, polyethylene, high-density polyethylene, polypropylene, polyamide, polybutylene terephthalate, polyethylene terephthalate, an orientated polyamide film and a biaxially orientated polyamide film, a coupling agent arranged between at least two layers of the multilayers of the film bag, with the coupling agent connecting the two layers to one another, the film bag having a wall thickness of at least 60 μm, each of the layers of the film bag having a thickness in the range of 5 μm to 100 μm, and the inner layer has a larger thickness than the outer layer, and the inner layer has a minimum thickness of 50 μm to 90 μm. ### Claim 2 (depends on 1) The cartridge for a one or two-component mixing and dispensing system in accordance with claim 1, wherein the inner layer and an outer layer being a first layer and a second layers of at least three layers. ### Claim 3 (depends on 2) The cartridge for a one or two-component mixing and dispensing system in accordance with claim 2, wherein the film bag has an overall material thickness selected between 80 μm and 150 μm, or the film bag has a total mass per unit area of between 100 g/m2 and 170 g/m2. ### Claim 4 (depends on 1) The cartridge for a one or two-component mixing and dispensing system in accordance with claim 1, wherein at least one of the inner layer of the film bag and the outer layer of the film bag is made of the same material as the rigid front part. ### Claim 5 (depends on 1) The cartridge for a one or two-component mixing and dispensing system in accordance claim 1, wherein at least one of the inner layer of the film bag, the outer layer of the film bag, and the rigid front piece comprises one of a plastic and a thermoplastic. ### Claim 6 (depends on 1) The cartridge for a one or two-component mixing and dispensing system in accordance with claim 1, wherein at least one of the inner layer has a shore D hardness between 40 and 99. ### Claim 7 (depends on 1) The cartridge for a one or two-component mixing and dispensing system in accordance with claim 1, wherein at least one of the inner layer of the film bag, the outer layer of the film bag and the rigid front piece is made of polyethylene, poly-propylene, polyamide, polyethylene terephthalate, polybutylene terephthalate, or a high density polyethylene. ### Claim 8 (depends on 1) The cartridge for a one or two-component mixing and dispensing system in accordance with claim 1, wherein the at least one film bag is closed at an end remote from the rigid front part by one of a weld, a clip and am adhesive. ### Claim 9 (depends on 1) The cartridge for a one or two-component mixing and dispensing system in accordance with claim 1, wherein the film bag is non-elastically deformable in a direction of movement, or the at least one flexible film bag is configured such that a film test body made from the film bag with a width of 15 mm in a direction that corresponds to an axial direction of the film bag has a tensile strength of at least 50 N, or the film bag has a resistance to perforation of between 10 to 20 N, or the film bag has a water vapor permeability of at most 0.3 g/(m2×d), or the film bag has an oxygen permeability of at most 0.3 cm3/(m2×bar×d). ### Claim 10 (depends on 1) The cartridge for a one or two-component mixing and dispensing system in accordance with claim 1, wherein the outlet opening has a minimum diameter of 1 mm to 12 mm, or the outlet opening has a tapering cross-section, or the outlet opening has a cross-section that tapers inwardly, or the outlet opening has a variable cross-section. ### Claim 11 (depends on 1) The cartridge for a one or two-component mixing and dispensing system in accordance with claim 1, wherein the rigid front part is configured at least substantially plate like and comprises at least one nose piece that forms a prolongation of the outlet opening, at least a portion of the nose piece at least a wall thickness selected in the range of 0.5 mm to 1.5 mm, or the nose piece has a length selected between 5 mm and 40 mm, the nose piece has a length that lies in a range selected between 1/7 and 1/10 of an overall length of the cartridge in a filled state. ### Claim 12 (depends on 1) The cartridge for a one or two-component mixing and dispensing system in accordance with claim 1, wherein the at least one film bag has an at least a substantially cylindrical outer shape; or the at least one film bag has a weld seam in an axial direction, or with the weld seam being formed as one of a fin seal and an overlap seal, or the at least one film bag has the weld seam in the axial direction, with the weld seam being formed as one of a fin seal and an overlap seal, or the outer layer of the film bag is already connected to an inner wall of the front part, or the film bag has a volume selected in the range of 50 ml to 750 ml, or the film bag has a volume selected in the range of 750 ml to 5000 ml, or the film bag has a volume of 1000 ml, 1250 ml, 1500 ml, 2500 ml or 4000 ml, or a designation of the content of the cartridge is present at an outer side of the film bag, or the rigid front part has ribs that stiffen the front part at a side of the front part remote from the film bag, or the at least one flexible film bag is configured such that a film test body made from the film bag with a width of 15 mm in a direction that corresponds to an axial direction of the film bag has a tensile strength of at least 60 N, or the at least one flexible film bag has the weld seam, or the at least one flexible film bag has one of the fin seam and the overlap seam, and either the at least one flexible film bag is configured such that the film test body made from the film bag with the width of 15 mm has a sealed seam in a form of the fin seal at a center thereof with a tensile strength of at least 40 N in accordance with DIN 55529, or such that the film test body made from the film bag with the width of 15 mm has the sealed seam in the form of the overlap seam at a center with a tensile strength of at least 70 N in accordance with DIN 55529, or an overall tensile strength of the cartridge lies above 200 N, or a rear end of the film bag continuously tapers in a filled state. ### Claim 13 (depends on 1) The cartridge for a one or two-component mixing and dispensing system in accordance with claim 1, wherein a rear end of the film bag is dome-shaped or cone-shaped, or the rear side of the film bag is substantially planar in a filled state, or either the rear end of the film bag is closed with a seam configured as a fin seal or the film bag has a lateral seal configured as a fin seal, or the rear end of the film bag is closed with a seal configured as an overlap seal, or the film bag has a lateral seal configured as an overlap seal. ### Claim 14 (depends on 1) The cartridge for a one or two-component mixing and dispensing system in accordance with claim 1, wherein the rigid front part is integrally formed with the at least one flexible film bag. ### Claim 15 (depends on 1) The cartridge for a one or two-component mixing and dispensing system in accordance with claim 1, wherein the rigid front part is an injection molded part formed at the film bag by injection molding in order to obtain a fixed connection between the rigid front part and the film bag. ### Claim 16 (depends on 1) The cartridge for a one or two-component mixing and dispensing system in accordance with claim 1, wherein the cartridge is filled with a material. ### Claim 17 (depends on 1) The cartridge for a one or two-component mixing and dispensing system in accordance with claim 1, wherein at least one of the inner layer of the film bag, the outer layer of the film bag and the rigid front piece is made of a high density polyethylene having a density selected in the range of 930 kg/m3 to 970 kg/m3.