EP3936454A1 - Kartuschenkappe und kartuschenanordnung - Google Patents

Kartuschenkappe und kartuschenanordnung Download PDF

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Publication number
EP3936454A1
EP3936454A1 EP20184786.0A EP20184786A EP3936454A1 EP 3936454 A1 EP3936454 A1 EP 3936454A1 EP 20184786 A EP20184786 A EP 20184786A EP 3936454 A1 EP3936454 A1 EP 3936454A1
Authority
EP
European Patent Office
Prior art keywords
cartridge
cap
rods
tubular body
piston
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.)
Granted
Application number
EP20184786.0A
Other languages
English (en)
French (fr)
Other versions
EP3936454B1 (de
Inventor
Luc THYS
Anneleen MONSIEUR
Peter Geboes
Jens MILONTON
Jasper AELVOET
Brecht VANDEVENNE
Sander DE CLERCQ
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.)
Soudal NV
Original Assignee
Soudal NV
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
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Application filed by Soudal NV filed Critical Soudal NV
Priority to PL20184786.0T priority Critical patent/PL3936454T3/pl
Priority to EP20184786.0A priority patent/EP3936454B1/de
Priority to ES20184786T priority patent/ES2938047T3/es
Priority to BE20215475A priority patent/BE1028414B1/nl
Publication of EP3936454A1 publication Critical patent/EP3936454A1/de
Application granted granted Critical
Publication of EP3936454B1 publication Critical patent/EP3936454B1/de
Active legal-status Critical Current
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Classifications

    • 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
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • B65D83/0072—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents the contents of a flexible bag being expelled by a piston or a movable bottom or partition provided in the container or the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00586—Means, generally located near the nozzle, for piercing or perforating the front part of a cartridge
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00583—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes the container for the material to be dispensed being deformable

Definitions

  • the present invention relates to a disposable cartridge for use with an extrusion gun comprising a hollow tubular body and a piston displaceable provided in the tubular body along a cartridge wall.
  • the present invention further relates to a cartridge assembly comprising a cartridge as described above and a flexible bag provided in the tubular body containing contents to be expelled from the cartridge using the extrusion gun.
  • Construction materials such as caulk, sealant, grout or adhesive, are often supplied in cartridges having a plastic body.
  • a cartridge cap is attached to the cartridge, and is required to be manually cut open to be able to expel the contents of the flexible bag through and out of the cap.
  • cartridge bags separately.
  • the practice of manually opening and/or installing the cartridge bags in the interior of a tubular body of the cartridge is not widespread due to the many challenges in safely and effectively using the cartridge bags, also known as foil packs, tubular bags, foil bags or film tube bags, especially in a home environment or by non-professional users and/or do-it-yourself-ers (DIYers).
  • DIYers do-it-yourself-ers
  • cutting open the cartridge bags too wide may pose risks of leakage and cartridge contamination.
  • Cutting open the cartridge bags too narrow may pose risks of having an inefficient and ineffective product, causing problems relating to the extrusion process (e.g. flow) of the product being too slow or requiring an excessive amount of force.
  • cartridge caps provided with means for opening the cartridge bag are known.
  • EP 1065153 A1 describes a cover part that can be moved into a position, in which the piercing mandrel penetrates the tubular film bag.
  • moving the cover part into the position may be challenging, especially by non-professional users in a home environment.
  • the cover part as described does not fit conventional or universal extruding guns.
  • the cover part does not ensure an effective opening of the cartridge bag.
  • US Patent No. 6,234,348 discloses an extruding mechanism for a tubular bag and a method of extruding the contents of a tubular bag, by which a sealing material or the like is extruded and discharged from the tubular bag with an extruding gun.
  • An object of the present invention may be to provide a cartridge cap for use with a cartridge for use with an extrusion gun, that overcomes the above mentioned disadvantages associated with current products.
  • the present invention relates to a cartridge cap mountable on a distal end of a cartridge body for use with an extrusion gun apparatus, e.g. a standard extrusion gun for cartridges.
  • the cap comprises a dispensing outlet, e.g. a hollow cylindrical tube, extending in a longitudinal direction around a longitudinal axis of the outlet.
  • the cap further comprises a cap body extending radially outward from said outlet.
  • a plurality of rods extend in the longitudinal direction from an inner surface of the cap body, i.e. a surface of the cap body to be directed toward the inner space of a cartridge when mounted on a cartridge.
  • At least one rod of the plurality of rods i.e. a piercing rod, is adapted to pierce a flexible bag when the flexible bag is pressed against the at least one rod, for example by displacement of a piston of a cartridge.
  • the tips of at least two of the plurality of rods have different sharpness and/or at least two of the plurality of rods extend to different longitudinal positions in the longitudinal direction, i.e.
  • At least one rod will protrude further into the cartridge body compared to at least another rod when the cartridge cap is mounted on the distal end of the cartridge body. For example, when the at least two of the plurality of rods extend from the same initial longitudinal position, than the at least two of the plurality of rods will have different lengths.
  • Sharpness can be measured as a radius of curvature, e. g., using scanning electron microscopy, SEM.
  • the tip of a piercing rod has a radius of curvature less than about 50 nanometers.
  • the radius of curvature can be equal to or less than about 50, 40, 30, 20, 10, 5, or 3 nanometers; and/or equal to or greater than about 3, 5, 10, 20, 30, or 40 nanometers.
  • sharpness can be measured as a force required by a piercing rod to pierce open the flexible bag can be equal to or less than about 90, 80, 60, 40, 20, 10, 5 or 4 N. Said force may be measured by one or more force sensors.
  • sharpness can be measured as a bevel angle, e.g., using a laser Goniometer. The bevel angle can be equal to or less than about 50, 40, 30, 20, 10 or 5 mm.
  • the cartridge cap can allow a more convenient cartridge for the DIY-ers.
  • the DIY-ers no longer have to cut a tube or a bag, which is safer and one operation less, and the DIY-ers stay in their comfort zone by using the cartridge with an extrusion apparatus, such as their cartridge gun.
  • the plurality of rods may consists of piercing rods and blunt rods, each type having tips with different sharpness.
  • the plurality of rods may consist of an even number of piercing rods, for example two, and an uneven number of blunt rods, for example one.
  • the plurality of rods are arranged symmetrically around the longitudinal axis.
  • two wings extend in opposite directions from at least one rod of the plurality of rods, preferably each of the plurality of rods are provided with wings extending in opposite directions.
  • said wings extend in an angular direction around the longitudinal axis.
  • the two wings may enlarge an opening that is pierced by a rod in the flexible bag.
  • a bridge extends radially inward from the plurality of rods and connects multiple rods of the plurality of rods.
  • the cap comprises an element closing of part of the outlet as seen in the longitudinal direction.
  • the bridge prevents larger elements, such as the metal clip of the flexible bag, to clog the outlet of the cap.
  • annular wall extends in the longitudinal direction, wherein the cap body extends radially inward from said annular wall to the outlet.
  • the cap body may be substantially arranged in the space defined by the annular wall.
  • means for mounting of the cap to the distal end of the cartridge body are provided on an outer surface of the annular wall.
  • the mounting means may comprise outer rings provided on an outer surface of the annular wall and/or a flange extending radially outward from said annular wall.
  • the outer surface of the outlet is provided with an screw thread, i.e. a ridge wrapped around the outlet in the form of a helix.
  • a nozzle may be easily attached to the outlet of the cap.
  • the present invention relates to a cartridge assembly
  • a cartridge assembly comprising a cartridge containing a hollow tubular body configured to receive a flexible bag containing contents to be expelled from the cartridge, wherein the body comprises a cartridge wall extending in a longitudinal direction.
  • the cartridge further containing a piston provided in the body at the proximal end, the piston being sealably displaceable along a cartridge wall in the longitudinal direction.
  • the cartridge assembly comprises a flexible bag containing contents to be expelled from the cartridge provided in the tubular body, and a cartridge cap, preferably as described above, sealably connected to the proximal portion of the cartridge, wherein the cartridge is configured to allow expulsion of the contents through an dispensing outlet of the cartridge cap by displacement of the piston.
  • the contents of the flexible bag may contain at least one of the group containing caulk, sealant, grout and adhesive.
  • the flexible bag contains silicon.
  • the present invention relates to the cartridge assembly as described above, wherein the tubular body is adapted such that a main part thereof, substantially made of a sustainable material, e.g. a paper-based material, is easily removable from the cartridge cap, for example the tubular body may be adapted to be divided into a proximal portion and a distal portion, wherein the proximal portion is substantially made of a paper-based material.
  • the tubular body may further comprise means to separate the distal portion and the proximal portion from each other.
  • the present invention relates to the cartridge assembly as described above, wherein the separation means comprises a tear strip extending in a peripheral direction and releasably connecting the proximal portion and the distal portion.
  • the term 'comprising' encompasses the terms 'consisting essentially of and 'consisting of. Where the term 'comprising' is used, the listed steps or options need not be exhaustive and further steps or features may be included.
  • the indefinite article 'a' or 'an' and its corresponding definite article 'the' means at least one, or one or more, unless specified otherwise.
  • the term 'sealably' is used to describe an interaction between two surfaces creating a 'seal', which refers to making a tight, possibly airtight, enclosure.
  • a surface of the object is enclosed and tightly fastened or secured by a surface of a second object.
  • the first object is 'sealably displaceable' in the second object, the surface of the first object is enclosed in the surface of the second object, where the first object may be slidably displaced inside the second object while being tightly enclosed.
  • the terms 'flexible bag' and 'cartridge bag' will be used interchangeably herein.
  • Fig. 1 shows a cartridge assembly 100 configured for use with an extrusion gun or other extrusion apparatuses, such as a standard cartridge gun.
  • the cartridge assembly 100 comprises a cartridge 300 and a cartridge cap 200.
  • the cartridge 300 comprises a tubular body 310 extending in a longitudinal direction.
  • the tubular body 310 is generally hollow having two open ends: a proximal end and a distal end.
  • a longitudinal axis A extends in the longitudinal direction from the open proximal end of the cartridge 300 through the distal end of the tubular body 310 and through the cartridge cap 200.
  • the cartridge cap 200 is sealably connected to the cartridge 300, particularly to the tubular body 310, more particularly at the distal end of the tubular body 310.
  • an outer surface of the cartridge cap 200 that is sealably connected to the cartridge 300 has a general shape that is similar to the inner shape of the tubular body 310.
  • the tubular body 310 may have an inner shape and an outer shape that are similar or different.
  • the outer shape may be one of a circle cylinder, triangle cylinder, square cylinder, pentagon cylinder, hexagon cylinder, octagon cylinder or other cylindrical shapes
  • the inner shape may be one of a circle cylinder, triangle cylinder, square cylinder, pentagon cylinder, hexagon cylinder, octagon cylinder or other cylindrical shapes, wherein the inner shape and the outer shape are similar or different.
  • a nozzle 110 may be attached to an end of the cartridge cap 200.
  • the longitudinal axis A further extends through the nozzle 110.
  • the nozzle 110 and the cartridge cap 200 may be formed as a single element. This may reduce the cost of manufacturing and may have a further advantage of increasing the length of the tube.
  • a piston 320 is provided between the proximal end of the tubular body 310 and the cartridge bag 303.
  • the piston 320 may press the cartridge bag 303 onto cartridge cap 200.
  • Contents of the cartridge bag 303 are provided for extraction from the cartridge bag 303.
  • the piston 320 may be provided for applying pressure on one end (proximal end) of the cartridge bag 303 and allowing the extraction of the contents of the cartridge bag 303 from another end (distal end) of the cartridge bag 303, preferably the distal end of the cartridge bag 303 is or has been opened. The contents of the cartridge bag 303 may be extracted through the cartridge cap 200.
  • the distal end of the cartridge bag 303 is typically sealed/closed with a sealing/closing means, such as fastening (e.g. a metal/plastic clamp), tying (e.g. with a metal wire/strip, plastic wire/strip, fibre string, ...) or adhering (e.g., glue, heat, ...), which is opened prior to use or during use of the cartridge bag 303.
  • a sealing/closing means such as fastening (e.g. a metal/plastic clamp), tying (e.g. with a metal wire/strip, plastic wire/strip, fibre string, ...) or adhering (e.g., glue, heat, ...), which is opened prior to use or during use of the cartridge bag 303.
  • sealing the cartridge bag 303 allows for improving the shelf-life of the cartridge bag 303 (resp.
  • the cartridge cap 200 may comprise means to pierce open the cartridge bag 303.
  • a piston 320 may be provided to press the cartridge bag 303 onto the cartridge cap 200, thus allowing the cartridge bag 303 to be pierced and/or opened after a suitable force is applied onto/by the piston 320.
  • Other means may be used to press the cartridge bag 303 onto the cap, thus allowing the piercing/opening means to pierce/open the cartridge bag 303 after a suitable pressure is applied at the piercing/opening means.
  • an extrusion apparatus such as an extrusion gun, which may be manual, motorised or air-powered.
  • extrusion means may also be used, such as manually pushing an object, such as a plunger, of suitable dimensions (i.e., diameter and length) into the tubular body 310 to able to reach the piston and of suitable structural strength to exert enough force onto the piston 320 to displace it.
  • the cartridge assembly 100 may further comprise a nozzle 110 configured to be attached to one end of the cartridge cap 200, particularly to a dispensing outlet 202 comprised in the cartridge cap 200, e.g. a cylindrical tube 202.
  • the nozzle 110 may comprise a cylindrical conduit and a conical conduit extending along the longitudinal axis A, the cylindrical conduit having an open proximal end, wherein the proximal end of the cylindrical conduit in the nozzle 110 is connected to the cartridge cap 200.
  • the conical conduit has a distal end that may be closed or open.
  • the conical conduit of the nozzle 110 may be cylindrical or triangular.
  • an exterior of the nozzle 110 may have a cylindrical-shape or a triangular spear-shape.
  • any shape of the exterior of the nozzle 110 and the conical conduit of the nozzle 100 may be combined.
  • the cartridge cap 200 may comprise a cap body 201 (as shown in Figs. 3A , 4B and 8C ) extending radially outward from the dispensing outlet 202 comprised in the cartridge cap 200, preferably extending along the longitudinal axis A.
  • the cap body 201 may be configured to allow contents of a cartridge bag 303 in the cartridge 300 to be extracted there through.
  • An advantage of the cap body 201 is to improve flow of material there through.
  • the cap body 201 may be conical having a wide end (i.e., proximal end) and a narrow end (i.e.. distal end), wherein the wide end is provided in the tubular body 310 facing the cartridge bag 303 when the cartridge cap 200 is sealably connected to the cartridge 300.
  • the narrow end of the cap body 201 preferably of the conical tube 201, may be sticking-out of the distal end of the tubular body 310.
  • the nozzle 110 may be a plastic nozzle, a metal nozzle or a paper/cardboard nozzle.
  • the plastic and paper/cardboard nozzles may be provided with a closed distal end of the nozzle 110.
  • the plastic and paper/cardboard nozzles may comprise at least one cutting line configured to be cut by the user.
  • the at least one cutting line may be provided at an angle with respect to the longitudinal axis A between 0 and 60 degrees, preferably at 45 degrees.
  • the paper/cardboard nozzle may be pre-cut or manufactured with an open distal end of the nozzle 110 with an angle from any of the previously disclosed angles.
  • the metal nozzle has an open distal end of the nozzle 110, the open end having an angle from any of the previously disclosed angles.
  • the proximal end 311 may also be separated from the cartridge bag 303 and the cartridge cap 200. Furthermore, the proximal end 311 may be separated from the piston 320.
  • instructions in the form of written instructions or illustrations may be provided on the tubular body 310.
  • the instructions are preferably printed on the outer surface of the tubular body 310. Providing disposal instructions on a surface of the cartridge 300 may be advantageous because such instructions will be visible when the cartridge 300 or cartridge assembly 100 is purchased or removed from the extrusion apparatus.
  • the cartridge 300 will now be described in more detail with reference to Figs. 1 and 2 .
  • the cartridge 300 described herein includes a number of improvements that may provide enhanced performance.
  • the cartridge 300 may comprise an improved tubular body 310 and improved means of disposal. Each of these improvements will be described in more detail below.
  • the features described below may be incorporated in a cartridge assembly 100 alone, or in combination with other features of the cartridge cap 200 and/or the cartridge assembly 100 to provide a further improved product.
  • the tubular body 310 comprised in the cartridge 300 may be manufactured from a paper-based material, such as cardboard or paperboard.
  • cardboard means a material based on cellulose fibers or cellulose or groundwood pulp or recovered paper or combinations thereof which usually, but not necessarily, includes a plurality of layers of paper or board of different thickness and/or different material. These layers are frequently pressed with one another without the use of adhesive. One or both sides of the cardboard may be coated or painted in this respect.
  • An example of paperboard or cardboard is kraft paper. The grammage of paperboard or cardboard amounts to between 80 and 600 g/m2.
  • Preferred grammage amounts to between 80 and 500 g/m2, between 80 and 400 g/m2, between 80 and 300 g/m2, between 80 and 200 g/m2, between 80 and 150 g/m2, between 80 and 120 g/m2, and between 80 and 100 g/m2, as well as ranges between several combinations of the above-disclosed upper bounds (100, 120, 150, 200, 300, 400, 500, 600 g/m2), with the invention not being restricted to any of these weight ranges.
  • the tubular body 310 is configured to be divided into a proximal portion 311 and a distal portion 312.
  • the tubular body 310 may comprise a separation means configured to separate the proximal portion 311 and the distal portion from each other.
  • the separation means may be provided between the proximal portion and the distal portion.
  • the proximal portion 311 and the distal portion 312 may be defined with respect to the separation means 305.
  • the separation means 305 may comprise a tear line and/or a tear strip provided between the proximal portion 311 and the distal portion 312 along a circumferential direction.
  • the separation means 305 may be additionally provided in the longitudinal or axial direction of the tubular body 310.
  • a longitudinal separation means 305 is to improve the separation of the proximal portion 311 and the distal portion from each other. Another advantage is to improve the removal of the proximal portion 311 of the tubular body 310 from any other part of the cartridge 300.
  • the tear line may comprise perforations.
  • the tear line may comprise a string or fibre which allows the tear line to be embedded in the tubular body 310. Examples are a punch line, tear punch line and so on.
  • the tear strip may comprise a corrugated zipper or rip-up perforation.
  • the tear strip may comprise of a polyethylene strip which allows the tear strip to be embedded in the tubular body 310.
  • Other examples of a tear strip may be a tear tape, tear-off ribbon, and so on.
  • an edge of the tear line or tear strip may be provided as a gripping means, for example the edge of the tear line or tear strip may be sticking out of the tubular body 310 or may be configured to be bent to provide a gripping means, e.g. a flap (as shown in Figs. 4A and 4B ).
  • the edge of the tear line or tear strip may be gripped through a premade opening in the tubular body 310 or an opening made by pushing or bending the edge of the tear line or tear strip inwardly (e.g. pressing on the tubular body 310) such that the edge of the tear line or tear strip may be sticking to the inside of the tubular body 310 (e.g., a perforated or punched part may be pushed into the tubular body 310 forming a flap on the inside of the tubular body 310).
  • Fig. 2 shows a perspective view of a cartridge of the cartridge assembly according to the present invention
  • a distance D1 can be defined between the distal end of the tubular body 310 and the separation means 305 (e.g. tear line), preferably the distal end of the separation means 305 (e.g., tear strip).
  • the distance D1 is measured in the longitudinal direction, wherein D1 may be between 1 - 6 cm.
  • Preferred distances are between 2 - 6 cm, between 3 - 6 cm, between 4 - 6 cm, between 5 - 6 cm, between 1 - 5 cm, between 1 - 4 cm, between 1 - 3 cm, between 1 - 2 cm, with the invention not being restricted to any of these distance ranges.
  • the separation means is a tear strip 305 having a width W which is measured in a longitudinal direction parallel to the longitudinal axis A.
  • the width W may be between 0.01 and 5 cm.
  • Preferred widths are between 0.01 and 2.5 cm, between 0.01 and 2 cm, between 0.01 and 1.5 cm, between 0.01 and 1 cm, and between 0.01 and 0.5 cm, as well as ranges between several combinations of the above-disclosed upper bounds (0.5, 1, 1.5, 2, 2.5, 3, 5 cm), with the invention not being restricted to any of these width ranges.
  • the separation means is a tear line having another width which is measured in the longitudinal direction.
  • Said width may be between 0.1 and 10 mm.
  • Preferred widths are between 0.1 and 8 mm, between 0.1 and 6 mm, between 0.1 and 4 mm, between 0.1 and 2 mm, between 0.1 and 1 mm, and between 0.1 and 0.5 mm as well as ranges between several combinations of the above-disclosed upper bounds (0.5, 1, 2, 4, 6, 8, 10 mm), with the invention not being restricted to any of these width ranges.
  • perforations in the tear line may have a burst strength or TPI (teeth per inch or ties per inch) from 3-4 TPI 5-6 TPI, 7-10 TPI, 11-14 TPI or 15-18 TPI. Higher values of TPI provide higher resistance.
  • the perforations may further have a cut (gap) / tie size of 0.5 - 2 mm, preferably 0.5 - 1.5 mm or 0.5 - 1 mm or ranges between several combinations of the above-disclosed upper bounds (1, 1.5, 2 mm), with the invention not being restricted to any of these width ranges.
  • the perforations may further have a tooth size of 0.8 - 12 mm, preferably 0.8 - 10 mm, 0.8 - 8 mm, 0.8 - 6 mm, 0.8 - 4 mm, 0.8 - 2 mm, 0.8 - 1.5 mm or ranges between several combinations of the above-disclosed upper bounds (1.5, 2, 4, 6, 8, 10 mm), with the invention not being restricted to any of these width ranges.
  • a length of the distal portion 312 of the tubular body 310 may be defined as the difference between the distance D1 and a width of any one or combination of widths of the tear strip and the tear line, for e.g. D1-W, wherein said length is measured in the longitudinal direction.
  • tubular body 310 may increase the rigidity and/or stiffness of the body and/or increase tear strength of the tubular body 310 at the separation means 305.
  • Larger width W of the tear strip 305 may increase the rigidity and/or stiffness of the tear strip.
  • suitable grammage of the tubular body 310 and suitable width of the tear strip 305 may be desired.
  • a higher grammage with a larger width such as 600 g/m2 for the tubular body 310 in combination with 3 cm for the tear strip 305
  • a lower grammage with a smaller width such as 80 g/m2 for the tubular body 310 in combination with 0.25 cm for the tear strip 305
  • other combinations such as 400 g/m2 for the tubular body 310 in combination with 2 cm for the tear strip 305 or 200 g/m2 for the tubular body 310 in combination with 1 cm for the tear strip 305, with the invention not being restricted to any of these combinations of grammage of the tubular body 310 and width of the tear strip 305.
  • composition of the separation means 305 may additionally or alternatively influence its rigidity and/or stiffness.
  • a combination of suitable grammage of the tubular body 310 and suitable composition of the separation means 305 may be desired.
  • a combination of a tear line and a tear strip may be suitable for a tubular body 310 having grammage of 300 g/m2 or more.
  • the piston 320 is provided at the proximal end of the tubular body 310 and is sealably displaceable along the longitudinal axis A from the proximal end towards the distal end of the tubular body 310.
  • an outer surface of the piston 320 has a general shape that is similar to the inner shape of the tubular body 310.
  • the piston 320 may be a hollow tube with two closed ends, an outer surface of both ends having a flat surface, preferably the outer surface of a distal end of the piston 320, which may be provided facing the proximal end of the cartridge bag 303 may be flat and the outer surface of a proximal end, which may be facing the proximal end of the tubular body 310 when the piston 320 is provided inside the tubular body 310, has grooves and/or protrusions, preferably in a shape complementary to a shape of an extrusion plate (e.g. of a plunger).
  • the piston 320 may be a generally hollow tube with the proximal end being open or closed and the distal end being closed or open.
  • the open end of the piston 320 is configured to allow the extrusion plate to fit into the open end of the piston 320.
  • the outer surface of the proximal end of the piston 320 may have grooves and/or protrusions, preferably in a shape complementary to a shape of the extrusion plate. Additionally or alternatively, the outer surface of the proximal and/or distal end of the piston 320 may have a flat surface. In preferred embodiments, the distal end of the piston 320 may has a shape complementary to the shape of the proximal end of the cartridge bag 303. This can allow the piston 320 to push on the cartridge bag 303 ore effectively.
  • the piston 320 the piston 320 may be cylindrical with rounded edges.
  • the rounded edges allow the piston to move smoothly in the tubular body 310 without getting stuck in the tubular body 310, causing the tubular body 310 to tear.
  • the rounded edges ensure that the cartridge bag 303 can be emptied more effectively, and that the waste is reduced to a minimum. More details are provided below with reference to Figs. 6A, 6B, 7A , 7B, 7C and 7D .
  • An indentation 304 may be provided near or at the proximal end of the tubular body 310, preferably between the proximal end of the tubular body 310 and the piston 320.
  • the indentation 304 provides a means of stopping/blocking the piston 320 from exiting the tubular body 310.
  • the indentation 304 may be formed in a continuous line along the peripheral or circumferential direction. Alternatively, the indentation 304 may be formed in points along the same direction.
  • a distance D2 can be defined between the proximal end of the tubular body 310 and the indentation 304. The distance D2 is measured in the longitudinal direction, wherein D2 may be up to 1 cm.
  • Preferred distances are up to 1 cm, up to 0.9 cm, up to 0.8 cm, up to 0.7 cm, up to 0.6 cm, up to 0.5 cm, up to 0.4 cm, up to 0.3 cm, up to 0.2 cm, between 0.2 and 1 cm, between 0.3 and 1 cm, between 0.4 and 1 cm, between 0.5 and 1 cm, between 0.6 and 1 cm, between 0.7 and 1 cm, between 0.8 and 1 cm, between 0.9 and 1 cm, as well as ranges between several combinations of the above-disclosed lower/upper bounds, with the invention not being restricted to any of these distance ranges.
  • the cartridge 300 may comprise indication marks formed on an outer surface of the tubular body 310 as previously described.
  • the indication marks indicate the steps to divide the tubular body into the proximal portion 311 and the distal portion 312, or indicate the location of the means to separate the distal portion and the proximal portion from each other.
  • the cartridge 300 may comprise a cartridge bag 303 in the tubular body 310.
  • the cartridge bag 303 may be obtained by manufacturing so-called "sausages".
  • the cartridge bag 303 may have an external diameter between 10 to 100 mm. Preferred diameters are between 10 and 20 mm, between 10 and 30 mm between 10 and 40 mm, between 10 and 50 mm, between 10 and 60 mm between 10 and 70 mm, between 10 and 80 mm, between 10 and 90 mm, between 20 to 100 mm, between 30 to 100 mm, between 40 to 100 mm, between 50 to 100 mm, between 60 to 100 mm, between 70 to 100 mm, between 80 to 100 mm, between 90 to 100 mm, as well as ranges between several combinations of the above-disclosed lower/upper bounds, with the invention not being restricted to any of these diameter ranges.
  • the cartridge bag 303 may have a length in the longitudinal direction between 10 to 60 cm. Preferred lengths are between 10 and 20 cm, between 10 and 30 cm between 10 and 40 cm, between 10 and 45 cm, between 10 and 50 cm, between 10 and 55 cm, between 20 to 60 cm, between 30 to 60 cm, between 40 to 60 cm, between 45 to 60 cm, between 50 to 60 cm, between 55 to 60 cm, as well as ranges between several combinations of the above-disclosed lower/upper bounds with the invention not being restricted to any of these length ranges.
  • the cartridge bag 303 may have a volume between 7.85 and 4712 mL. Other volume ranges of the cartridge bag 303 may be derived by multiplying pi with a length from the above-disclosed length ranges and with the square of half of a diameter from the above-disclosed diameters.
  • a length of the tubular body 310 in the longitudinal direction may be an addition of the above-disclosed sizes of the proximal portion 311 and the distal portion 312.
  • the length of the tubular body 310 may range from about 150.1 mm to about 280 mm.
  • Other ranges may be derived from the addition of any value in the ranges provided above for the proximal portion 311 (i.e., 150-250 mm, 175-200 mm, 190 mm, and so on) with any value in the ranges provided above for the distal portion 312 (i.e., 0.1-30 mm, 10-20 mm, 15 mm and so on).
  • tubular body 310, proximal portion 311 and distal portion 312 may have an internal diameter equal to or larger than any of the above-disclosed external diameter ranges of the cartridge bag 303.
  • Different combinations of dimensions of cartridge 300 or the tubular body 310 (i.e., length, internal diameter, volume) and cartridge bag 303 (length, external diameter, volume) may considered, such that the cartridge 300 or the tubular body 310 accommodates the cartridge bag 303 (i.e., the dimensions of the cartridge bag 303 may smaller than or equal to the dimensions of the cartridge 300 or the tubular body 310, or the cartridge bag 303 having larger dimensions than the cartridge 300 or tubular body 310 may be deformed to fit in the cartridge 300 or the tubular body 310).
  • the cartridge 300 may comprise a cartridge bag 303 in the tubular body 310.
  • the cartridge bag 303 may accommodate a paste-like material/content, such as caulk (e.g. rigid silicone, latex or acrylic substances), sealant (e.g. soft silicone or spackle putty), grout (e.g. cement) or adhesive (e.g. grab adhesive or cyanoacrylate),or any other material known in the art.
  • the paste-like material/content in the cartridge bag 303 are provided for extraction from the cartridge bag 303.
  • the cartridge bag 303 may be provided in a material, such as metal, preferably aluminium foil, or Biaxially-oriented Polyethylene Terephthalate (BoPET), preferably Mylar ® or Melinex ® polyester film, or any other material known in the art suitable for contents of the cartridge bag 303 and/or suitable for use with the piston 320.
  • the piston 320 may be provided in a material suitable for use with the cartridge bag 303 and/or the contents thereof.
  • Example materials of the piston 320 are steel, aluminium, soft leather, impregnated leather, nitrile rubber, nylon, polyethylene, poly plastic, Polytetrafluoroethylene (PTFE), such as Teflon ® , or thermoplastic polyester elastomers, such as Hytrel ® , or any other material known in the art.
  • PTFE Polytetrafluoroethylene
  • Teflon ® thermoplastic polyester elastomers
  • Hytrel ® thermoplastic polyester elastomers
  • a highly viscous content of the cartridge bag 303 e.g. cold urethane or two-part epoxy
  • the piston 320 may formed by moulding, 3D printing, milling, sewing or other means known in the art.
  • a distance D3 can be defined between the widest end or proximal end of the cap body 201 and the separation means 305 (e.g. tear line), preferably the proximal end of the separation means 305 (e.g., tear strip).
  • the distance D3 is measured in the longitudinal direction, wherein D3 may be up to 4 cm.
  • Preferred distances are up to 3.5 cm, up to 3 cm, up to 2.5 cm, up to 2 cm, up to 1.5 cm, up to 1 cm, and up to 0.5 cm, as well as ranges between several combinations of the above-disclosed upper bounds (0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4 cm), with the invention not being restricted to any of these distance ranges.
  • the distance D3 may be equal to the width W of the tear strip as shown in Fig. 1 .
  • the cartridge cap 200 described herein includes a number of improvements that may provide enhanced performance.
  • the cartridge cap 200 may comprise improved pierce opening means and improved conical tube. Each of these improvements will be described in more detail below.
  • the features described below may be incorporated in a cartridge assembly 100 alone, or in combination with other features to provide a further improved product.
  • the cartridge cap 200 comprises means to pierce and/or open a cartridge bag 300 in a cartridge 300.
  • Said piercing/opening means comprises a plurality of rods 210 extending in the longitudinal direction A from an inner surface 220 of the cap body 201, e.g. extending outwardly from the inner surface 220 of the cap body 201.
  • At least one of the plurality of rods 210 may have a shape of a circle cylinder, triangle cylinder, square cylinder, pentagon cylinder, hexagon cylinder, octagon cylinder or other cylindrical shapes.
  • At least one of the plurality of rods 210 is adapted to pierce the cartridge bag 303 in the cartridge 300 when the cartridge bag 303 is pressed towards the cartridge cap 200.
  • the plurality of rods 210 can pierce the cartridge bag 303 after a suitable force is applied onto the cartridge bag 303.
  • the suitable force may be equivalent to a force resulting from the plurality of rods 210 onto the cartridge bag 303.
  • the tips of at least two of the plurality of rods 210 have different sharpness.
  • the plurality of rods 210 may consist of piercing and blunt rods having tips with different sharpness.
  • the blunt rod(s) may have a blunt end 211 and the piecing rod(s) may have a sharp end 212, such as a moil point end or a conical end.
  • an imbalanced pressure on the cartridge bag 303 is caused by the plurality of rods 210.
  • the blunt-ended rod 211 may also open the cartridge bag 303.
  • the plurality of rods 210 are arranged around the longitudinal axis A, preferably the plurality of rods 210 may be arranged symmetrically around the longitudinal axis A. In other words, the plurality of rods 210 are arranged on the inner surface 220 of the cap body 201 between the wide end and the narrow end of the cap body 201 or between the proximal end and the distal end of the cap body 201, preferably halfway between the two ends of the cap body 201.
  • the plurality of rods 210 may be equally spaced from the longitudinal axis A. In other words, the plurality of rods 210 may be arranged circumferentially, preferably at an equal radial distance from the longitudinal axis A.
  • the plurality of rods 210 may be equally spaced apart. In other words, the plurality of rods 210 may be arranged at an equal circumferential distance from each other.
  • the plurality of rods 210 are extending in a longitudinal direction parallel to the longitudinal axis A, allowing the plurality of rods 210 to have a more effective angle of contact with the cartridge bag 303.
  • the cartridge cap may further comprise a bridge 205 mounted on the inner surface 220 of the cap body 201.
  • the term bridge means a structure mounted at a certain distance in the longitudinal direction over an opening, particularly the narrow end or distal end of the cap body 201.
  • the bridge 205 may extend radially inward from the plurality of rods 210 and connect each of the plurality of rods 210.
  • the bridge 205 may further extend in the longitudinal direction to a distance less than a size of the plurality of rods 210 in the longitudinal direction to allow the effective functioning of the plurality of rods 210 in piercing/opening the cartridge bag 303 without diminishing the functionality of the plurality of rods 210.
  • the bridge is configured to block the sealed end of the cartridge bag 303 to clog the cap body 201, particularly the narrow end or distal end of the cap body 201.
  • the bridge 205 may be mounted on a plurality of points on the inner surface 220 of the cap body 201, preferably from where the plurality of rods 210 are extending. In the embodiment of Fig. 3B , it is shown that the bridge 205 radially extends from the longitudinal axis A to each of the plurality of rods 210 or vice versa connecting the plurality of rods 210.
  • the plurality of rods 210 may each comprise one or more side walls or wings 203.
  • the one or more side walls or wings 203 may extend from each of the plurality of rods 210 outwardly (i.e., in a circumferential direction from each of the plurality of rods 210).
  • the one or more side walls or wings 203 are configured to enlarge the piercing/opening formed in the cartridge bag 303 by the plurality of rods 210 when the cartridge bag 303 is pressed onto the cartridge cap 200.
  • Fig. 3B shows two side walls or wings 203 extending from sides of each of the plurality of rods 210 in opposite directions.
  • the plurality of rods 210 may each have a side wall extending from another side of the plurality of rods 210 in an outwardly radial direction (i.e. in the direction from the longitudinal axis A to the widest end or proximal end of the cap body 201).
  • the plurality of rods 210 may comprise the combination of the three side walls or wings 203 as described herein.
  • the three side walls or wings 203 may be extending from different sides of each of the plurality of rods 210, wherein a first side wall is orthogonal to a second and third side wall, wherein the second and third walls extend in opposite directions.
  • the one or more side walls or wings 203 may extend towards the inner surface of the cap body 201.
  • the one or more side walls or wings 203 may have a uniform thickness along the direction of extension. Alternatively, the thickness may increase or decrease along the extension direction of the one or more side walls or wings 203 (i.e., away from a rod).
  • the one or more side walls or wings 203 may extend from each of the plurality of rods 210 outwardly having a uniform height (i.e., the height being measured in a direction in which the plurality of rods 210 extend, such as the longitudinal direction).
  • the height may non-uniform, preferably decreasing along the extension direction of the one or more side walls or wings 203 (i.e., away from a rod).
  • the one or more side walls or wings 203 may extend circumferentially.
  • Fig. 3B further shows that the two side walls or wings 203 extend around the longitudinal axis A.
  • one side wall of one rod of the plurality of rods 210 may extend radially in towards another side wall of another rod of the plurality of rods 210. It is preferred that the one side wall of one rod of the plurality of rods 210 may not intersect or meet another side wall of another rod of the plurality of rods 210. In other words, there may be an opening between the one side wall of one rod of the plurality of rods 210 and another side wall of another rod of the plurality of rods 210. This allows contents of the cartridge bag 303 to be extracted through the cap body 201 without any severe blocking by the one or more side walls or wings 203.
  • the cartridge cap 200 comprises a dispensing outlet 202 extending in a longitudinal direction around the longitudinal axis A, e.g. a cylindrical tube extending from the narrow end or distal end of the cap body 201 along the longitudinal axis A.
  • a proximal end of the dispensing outlet 202 may be connected to the narrow end or distal end of the cap body 201.
  • the length of the dispensing outlet 202 in the longitudinal direction is a suitable length for a nozzle 110 to be connected thereto. Examples of a nozzle 110 have been previously described.
  • the dispensing outlet 202 may comprise an outer surface having an outer thread 213 provided for sealably connecting the nozzle 110 thereto, e.g. a screw thread.
  • the cylindrical conduit of the nozzle 110 may comprise an inner surface having an inner thread that is complementary to the outer thread of the dispensing outlet 202 of the cartridge cap 200.
  • the cap body 201 is surrounded by an annular wall comprised in the cartridge cap 200.
  • the annular wall may refer to the outer surface of the cartridge cap 200.
  • the annular wall may extend in the longitudinal direction, wherein the cap body 201 extends radially inward from said annular wall to the outlet 202.
  • the annular wall may have a general shape that is similar to the inner shape of the tubular body 310, as previously described.
  • means for mounting of the cartridge cap 200 to the distal end of the cartridge body or tubular body 310 are provided on an outer surface of the annular wall.
  • the annular wall or the mounting means may comprise outer rings 206 provided on an outer surface of the annular wall.
  • the outer rings may be provided for sealably connecting the cartridge cap 200 to the cartridge 300.
  • the outer rings 206 may be formed as circumferential channels or annular grooves. The outer rings 206 can allow the cartridge cap 200 to be pressure-fit itself into the cartridge 300 or tubular body 310, preferably to the distal portion 312, to prevent the cartridge cap 200 from falling out or falling off the cartridge 300 or tubular body 310.
  • the dispensing outlet 202 of the cartridge cap 200 may be referred to as a neck of the cartridge cap 200, and the cap body 201 of the cartridge cap 200 may be referred to as a shoulder of the cartridge cap 200.
  • the nozzle 110 may be generally secured to the neck of the cartridge cap 200 by way of complementary screw threads on the neck and in the nozzle 110.
  • the cartridge cap 200 may be generally secured to the tubular body 310 by way of outer ridges, outer threads and/or outer rings 206 in the annular wall of the shoulder of the cartridge cap 200.
  • the annular wall may comprise a flange 207 extending radially outward from said annular wall.
  • the mounting means may comprise the flange 207.
  • the flange 207 may have a diameter equal to or larger than a diameter of the annular wall. Note that the diameter of the annular wall is equal to or larger than a diameter of the widest end or proximal end of the cap body 201.
  • the flange 207 is configured to limit/prevent the cartridge cap 200 from entering the tubular body 310 to/by a specific distance.
  • the flange 207 allows for a correct positioning of the cartridge cap 200 when being sealably connected to the cartridge 300 or the tubular body 310, preferably to eh distal portion 312.
  • Said specific distance can be measured as the difference between a distance defined between the widest end or proximal end of the cap body 201 and a separation means 305 in the tubular body 310 of the cartridge 300 (distance D3 as described above) and another distance defined between a proximal end of the tubular body 310 and the separation means 305 (distance D1 as described above).
  • the specific distance may be equal to or less than a length of a distal region 312 of the tubular body 310. The length of the distal region 312 of the tubular body 310 is described further in detail below.
  • the flange 207 may comprise a protrusion at a circumferential end of flange 207, wherein the protrusion forms an elbow with a distal portion of the elbow extending in the longitudinal direction.
  • the flange 207 may further comprise ribs, threads and/or ridges.
  • the elbow is configured to sealably connect the cartridge cap 200 to the tubular body 310 of the cartridge 300 such that the elbow encloses a portion of the tubular body 310.
  • connection may be snap-on connection, a threaded connection, a connection by means of ribs and/or a connection by means of ridges, where the threads, ribs and/or ridges in the flange 207 are preferably complementary to the outer ridges, outer threads and/or outer rings 206 in the annular wall of the shoulder of the cartridge cap 200.
  • the protrusion may be an annular protrusion and may refer to another annular wall formed around the outer surface of the cap body 201.
  • the annular wall surrounding the cap body 201 and the annular protrusion may allow part of the distal portion 312 of the tubular body 310 to be sealably connected therein between. This would further improve the connection between the cartridge cap 200 and the cartridge 300.
  • Figs. 4A and 4B show respectively cross-sectional views of a cartridge cap of a cartridge assembly according to the present invention.
  • the cartridge 300 and cartridge assembly 100 of Figs. 4A and 4B correspond in many aspects and/or features to the cartridge 300 and cartridge assembly 100 of Fig. 1 .
  • the length in the longitudinal direction of the cartridge 300 is 237 mm and the length of the distal region 312 is 10 mm.
  • the width W in the longitudinal direction of the tear strip 305 is 20.5 mm. It can be derived that the distance D1 is 30.5 mm, which is the sum of the length of the distal region 312 and the width W of the tear strip 305.
  • the internal diameter of the cartridge 300 (and respectively the proximal region 311, distal region 312 and/or tearing means 305) is 48 mm.
  • the cartridge bag 303 shown in Fig. 4B may have an external diameter equal to or less than the internal diameter of the cartridge 303 of 48 mm shown in Fig. 4A .
  • Other dimensions i.e., lengths, widths, diameters, ...) may be considered as described above.
  • the cartridge 300 preferably the tubular body 310 comprises means 304 to prevent the displacement of the piston 320 through the open proximal end of the tubular body 310.
  • Said prevention means 304 may be an indentation as described above and/or a protrusion at a circumferential end of the proximal portion 311, wherein the protrusion forms a shoulder with the proximal portion 311 extending inwardly (i.e., to the interior of the tubular body 310) in the radial direction.
  • the cartridge cap 200 may comprise a cap body 201.
  • the widest end or proximal end of the cap body 201 is provided at the interior of the cartridge wall (i.e., inner surface of the tubular body 310). This allows for better flow of material through the cap body 210 while reducing material that is blocked by the cartridge cap 200, for example by the annular wall of the cartridge cap 200 or the outer surface of the cartridge cap 200.
  • the distal portion 312 may comprise inner rings complementary to the outer rings 206 of the cartridge cap 200.
  • the inner rings maybe formed as annular protrusions that are complementary to the annular grooves or the circumferential channels of the outer rings 206.
  • Fig. 5 shows perspective view of a cartridge cap of the cartridge assembly of Figs. 4A and 4B .
  • the cartridge 300 and cartridge assembly 100 of Fig. 5 correspond in many aspects and/or features to the cartridge 300 and cartridge assembly 100 of Fig. 2 , further including a cartridge cap 200 as described above, preferably further including a nozzle as described above.
  • the nozzle 110 may comprise a gripping means, such as a latch to allow the user to more easily connect the nozzle 110 to the cartridge cap 200.
  • Figs. 6A and 6B show respectively perspective views of a piston of a cartridge of the cartridge assembly shown in Figures 4A and 4B .
  • the outer surface of the piston 320 has a general shape that is similar to the inner shape of the tubular body 310.
  • the piston 320 has cylindrical with rounded edges, which similar to the cylindrical inner shape of the tubular body 310 shown in Fig. 5 . This ensures that the piston 320 can be sealably displaceable along the longitudinal axis A, preferably through the tubular body 310.
  • the piston 320 may have rounded edges 323 (shown in more detail in Figs. 7C and 7D ). Said rounded edges may be provided circumferentially or on the peripheral of the distal end and/or proximal end of the piston 320. Said rounded edges ensure that the piston 320 can tilt in the tubular body 310 due to uneven angular pushing motion of an extrusion plate (e.g. of a plunger of an extrusion gun). This prevents clogging of the piston 320 in the tubular body 310 and ensures that the piston can be sealably displaced to the distal portion 312 of the tubular body 310.
  • an extrusion plate e.g. of a plunger of an extrusion gun
  • the piston 320 may have ribs 322 at the proximal end of the piston 320.
  • the ribs 322 may be provided around the longitudinal axis and/or with said rounded edges 323.
  • the ribs 322 allow for effective demoulding of pistons 320 formed by moulding (such as injection or rotational moulding).
  • the piston 320 may be formed of two parts, a proximal part comprising the proximal end and a distal part comprising the distal end. Said parts may be combined by attaching/joining means, such as solvent bonding, vibration welding, induction welding, sewing or other types of attaching/joining means.
  • the ribs 322 require less material to be formed while still providing a necessary structural support to the piston 320.
  • the piston 320 comprises an opening 321 configured for accommodating the proximal end of the cartridge bag, preferably the proximal end of the cartridge bag being sealed/closed with a sealing/closing means.
  • the opening 321 may be formed along the longitudinal axis A (i.e. in the center of the piston 320) or along a longitudinal direction parallel to the longitudinal axis.
  • the opening 321 may be a depression or a hollowed out area in/at the distal end of the piston 320, or the opening 321 may be formed through the distal end to the proximal end of the piston 320 (e.g., a cylindrical or conical hole through the piston 320 in the longitudinal direction).
  • the opening 321 is provided for accommodating the proximal end of the cartridge bag 303, preferably the proximal end of the cartridge bag 303 being sealed/closed with a sealing/closing means.
  • a metal clamp for sealing/closing the proximal end of the cartridge bag may be accommodated/fit into said opening 321.
  • the piston 320 ensures that the cartridge bag 303 is properly positioned in the tubular body 310 (e.g. centered at the longitudinal axis A), and is properly displaced through the interior of the tubular body 310 (e.g. along the longitudinal axis A).
  • Figs. 7A , 7B, 7C and 7D show respectively cross-sectional views of the piston 320 of Figs. 6A and 6B .
  • the opening 321 has a diameter of about 23 mm or less. Other diameters of the opening 321 may be about 50 mm or less, 40 mm or less, 30 mm or less, and 10 mm or less.
  • Fig. 7A shows the piston 320 having an external diameter of 46 mm. The piston 320 may have an external diameter equal to or less than any of the above-disclosed external diameter ranges of the cartridge bag 303 and/or the tubular body 310.
  • ribs 322 there are 14 ribs 322 equally spaced at an angle of about 25.71 degrees or less between two consecutive ribs.
  • Other numbers of ribs 322 may be between 3 and 24, preferably between 8 and 24, between 12 and 24 or between 16 and 24.
  • Other angles between two consecutive ribs may be between 15 and 120 degrees. Preferred angles can be derived by dividing 360 degrees by a number of ribs from the above-disclosed umber of ribs.
  • the piston 320 has a length along the longitudinal axis A of about 18 mm or less. Other lengths of the piston 320 may be about 50 mm or less, 40 mm or less, 30 mm or less, and 20 mm or less.
  • the distal end of the piston 320 may be flat, where the edges of the distal end of the piston 320 form 90 degrees with the longitudinal axis or 180 degrees between two opposite edges (with respect to the longitudinal axis A) of the distal end of the piston 320, or the distal end of the piston 320 may be concave, for example the edges of the distal end form 80 degrees with the longitudinal axis or 160 degrees between two opposite edges (with respect to the longitudinal axis A). Other angles between said opposite edges of the distal end of the piston 320 may be between 120 and 180 degrees, between 130 and 180 degrees, between 140 and 180 degrees, between 160 and 180 degrees, and between 170 and 180 degrees.
  • Fig. 7C shows the opening 321 being conical and having a cone angle or opening angle of 4 degrees, wherein the angle is facing in direction from the proximal end to the distal end of the piston 320, preferably in the longitudinal direction.
  • Other cone angles may be 60 degrees or less, 50 degrees or less, 40 degrees or less, 30 degrees or less, 20 degrees or less, 10 degrees or less, and 5 degrees or less, as well as any other cone angle derived from an external diameter (or respective radius) of the above-disclosed external diameter ranges of the piston 320 and from a length from the above-disclosed lengths of the piston 320.
  • the edges 323 of the piston 320 may be rounded, wherein the rounded edge may be representative of part of a circle having a radius of about 6 mm or more. Other radii may be 2 mm or more, 4 mm or more, 8 mm or more, 10 mm or more and 12 mm or more.
  • the piston 320 comprises a proximal part and distal part.
  • the distal part of the piston 320 may have a length of about 12 mm or less. Other lengths may be about 40 mm or less, 30 mm or less, 20 mm or less, 10 mm or less, etc..
  • the proximal part of the piston 320 may have a length of about 6 mm or less. Other lengths may be about 40 mm or less, 30 mm or less, 20 mm or less, 10 mm or less, etc. Both lengths of the proximal and distal parts of the piston 320 may be derived from the above-disclosed lengths of the piston 320 being the sum of said both lengths.
  • Figs. 7B and 7D show that each of the ribs 322 comprises one or more ribs.
  • Fig. 7B shows the one or more ribs in each of the ribs 322 being parallel.
  • Fig. 7D shows the one or more ribs in each of the ribs 322 having an angle between them of 3 degrees or less. Other angles may be 20 degrees or less, 15 degrees or less, 10 degrees or less, 8 degrees or less, 6 degrees or less and 4 degrees or less.
  • FIG. 8A, 8B and 8C show respectively cross-sectional views of a cartridge cap of the cartridge assembly shown in Figs. 4A and 4B .
  • the widest end or proximal end of the cap body 201 has a diameter of about 42 mm.
  • the widest end or proximal end of the cap body 201 may have a diameter equal to or less than the internal diameter of the tubular body 310 and/or the external diameter of the cartridge bag 303, i.e., any of the ranges disclosed above between 10 to 100 mm.
  • a narrow end or distal end of the cap body 201 may have a diameter in the range of about 5-20 mm. Preferred ranges may be 5-15 mm, 5-12 mm, 5-10 mm, 7-15 mm, 7-12 mm, 7-10mm and so on.
  • Fig. 8A shows the cartridge cap 200 comprising the flange 207 having a diameter of about 50 mm.
  • the flange 207 may have a diameter equal to or larger than the internal diameter of the tubular body 310 (i.e., any of the ranges disclosed above between 10 to 100 mm), preferably equal to or larger than an external diameter of the tubular body 310.
  • the cartridge cap 200 may comprise a bridge 205 mounted on the inner surface 220 of the cartridge cap 200 as disclosed above.
  • the bridge 205 radially extending from the longitudinal axis A to a plurality of parts of the inner surface 220 or vice versa.
  • Each of said extension may have a width in a radial direction in the range of about 1-10 mm, preferably about 1-8 mm, 1-6 mm, 1-4mm, and more preferably is about 2.3 mm.
  • Fig. 8A shows that the plurality of rods 210 are arranged on the inner surface 220 of the cap body 201 on the inner surface 220 of the cap body 201 at a distance between any two farthest rods of the plurality of rods in the radial direction is about 11.70 mm. Said distance between the two farthest rods may be derived as double the distance between any of the plurality of rods 210 and the longitudinal axis A, e.g. when the plurality of rods 210 are equally spaced from the longitudinal axis A.
  • the plurality of rods 210 may be arranged between the wide end (i.e., proximal end) and the narrow end (i.e., distal end) of the cap body 201 (i.e.
  • the cartridge cap 200 comprises a dispensing outlet 202 extending in a longitudinal direction around the longitudinal axis A, e.g. a longitudinal tube extending from the narrow end or distal end of the cap body 201 along the longitudinal axis A.
  • the length of the dispensing outlet 202 in the longitudinal direction is shown to be 14 mm. Said length may be in the range of 5-20 mm, 5-15 mm, 5-10 mm, 7-20 mm, 7-15 mm, 12-20 mm, and so on.
  • a distance between a distal end of the dispensing outlet 202 (i.e., to which a nozzle may be connected) and an outer surface of the bridge 205 (i.e., facing away from the inner surface 220 of the cap body 201) is 22 mm.
  • Said distance may be in a range of 10-40 mm, 10-30 mm, 10-25 mm, 10-20 mm, 10-15 mm, 15-40 mm, 15-30 mm, 15-25 mm, 15-20 mm, and so on.
  • Fig. 8B shows a plurality of rods 210 one of which has a sharp end 212 having a bevel angle of about 34 degrees.
  • the bevel angle of a sharp end 212 may be equal to or less than about 50, 40, 30, 20, 10 or 5 degrees.
  • Another rod of the plurality of rods 210 has a blunt end 211 having a bevel angle of about 80 degrees.
  • the bevel angle of a blunt end 211 may be equal to or greater than about 51, 60, 70, 75, 80, 85 or 90 degrees.
  • the plurality of rods 210 may extend in the longitudinal direction having a generally cylindrical or conical shape.
  • the plurality of rods 210 may have a cone angle equal to or less than about 10, 9, 8, 7,6, 5, 4, 3, 2 or 1 degrees, where 0 degrees corresponds to a cylindrical rod.
  • the cone angle in this embodiment is formed at the tip of the plurality of rods 210, preferably in the direction of the longitudinal direction (i.e. in the direction from the widest end (i.e., proximal end) to the narrow end (i.e., distal end) of the cap body 201.
  • Fig. 8B shows the annular wall of the cartridge cap 200 having a diameter of 46 mm.
  • the annular wall may have a diameter equal to or less than the internal diameter of the tubular body 310 and/or the external diameter of the cartridge bag 303, i.e., any of the ranges disclosed above between 10 to 100 mm.
  • the cartridge cap 200 may further comprise outer rings 206, wherein the diameter of the cartridge cap 200 including the outer rings 206 is 47 mm.
  • the outer rings 206 may have an protruding distance (i.e., being radially protruding from the annular wall) of about 1mm or less, preferably 4 mm or less, 3 mm or less, 2 mm or less, 1.5 mm or less, 0.5 mm or less, and so on.
  • the dispensing outlet 202 has a conical shape with a cone angle of about 3 degrees or less, the cone angle facing a direction from the cap body 201 to the dispensing outlet 202, preferably the direction being the longitudinal direction.
  • Said cone angle of the dispensing outlet 202 may be in the range of about 10 mm or less, 8 mm or less, 6 mm or less, 4 mm or less, 3 mm or less, 2 mm or less, and so on, where 0 degrees corresponds to a dispensing outlet 202 with parallel walls.
  • Fig. 8C shows the cap body 201 having an angle between an outer surface or inner surface 220 and the annular wall or longitudinal axis A of about 61.4 degrees or less.
  • Said angle may be about 90, 80, 70, 65, 60, 55, 50 and so on.
  • the annular wall is shown to have a conical shape having a cone angle of 3 degrees or less, the cone angle facing in a direction from the cap body 201 to the dispensing outlet 202, preferably the direction being the longitudinal direction.
  • the annular wall may have a cone angle equal to or less than about 10, 9, 8, 7,6 , 5, 4, 3, 2 or 1 degrees.
  • Fig. 8C shows the outer rings 206 having a width or thickness in the longitudinal direction of 1 mm or less.
  • the outer rings 206 may have a width or thickness equal to or less than about 10, 9, 8, 7, 6, 5, 4, 3, 2 or 1 mm.
  • the outer rings 206 may be protruding radially at an angle with the widest end or proximal end of the cap body 201 of 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 degrees or less, preferably an angle of 2 degrees.
  • outer rings 206 may be protruding in the longitudinal direction forming an angle with the widest end or proximal end of the cap body 201 of 110, 109, 108, 107, 106, 105, 104, 103, 102, 101 degrees or more, preferably an angle of 118 degrees.
  • Fig. 8C shows the cartridge cap 200 having a flange 207 having a width in the longitudinal direction of about 2 mm or less.
  • the flange 207 may have a width equal to or less than 10, 9, 8, 7, 6, 5, 4, 3, 2 or 1 mm.
  • the annular wall may have a width in the longitudinal direction equal to or less than about 20, 18, 16, 14, 12, 10, 8, 6 or 4 mmm preferably is about 10 mm.
  • the cap body 201 may have a tube thickness (i.e. a distance between the exterior and interior surfaces) equal to or less than about 6, 5, 4, 3, 2, 1 mm, preferably is about 2 mm.
  • the one or more side walls or wings 203 extending from the plurality of rods 210 may have a distance in the longitudinal direction between a point farthest away from the inner surface 220 of the cap body 201 and the narrow end (i.e. distal end) of the cap body 201 or a proximal end of the dispensing outlet 202, which may be connected to the narrow end or distal end of the cap body 201, equal to or less than about 30, 25, 20, 18, 16, 14, 12, 10, 8 or 6 mm, preferably is about 16 mm.
  • the cartridge 300 described above can be provided in a cartridge assembly 100, the assembly 100 having a cartridge cap 200 assembly that sealably connects to the cartridge 300 as described herein.
  • the cartridge cap 200 comprises a cap body 201 configured to allow contents of the cartridge bag 303 to be extracted there through.
  • the cartridge 300 can be employed in cartridge assemblies with different caps.
  • the cartridge cap 200 described above may be provided in a cartridge assembly 100, the assembly 100 having a cartridge 300 comprising a cartridge bag 303 as described herein.
  • the cartridge cap 200 is configured to open the cartridge bag 303 in the cartridge 300 when the cartridge bag 303 is pressed towards the cartridge cap 200.
  • the cartridge cap 200 can be employed in cartridge assemblies with different cartridges and cartridge bags.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Packages (AREA)
  • Closures For Containers (AREA)
  • Coating Apparatus (AREA)
EP20184786.0A 2020-07-08 2020-07-08 Kartuschenkappe und kartuschenanordnung Active EP3936454B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PL20184786.0T PL3936454T3 (pl) 2020-07-08 2020-07-08 Nasadka kartusza i zespół kartusza
EP20184786.0A EP3936454B1 (de) 2020-07-08 2020-07-08 Kartuschenkappe und kartuschenanordnung
ES20184786T ES2938047T3 (es) 2020-07-08 2020-07-08 Tapa de cartucho y ensamblaje de cartucho
BE20215475A BE1028414B1 (nl) 2020-07-08 2021-06-17 Kokerdop en kokersamenstel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20184786.0A EP3936454B1 (de) 2020-07-08 2020-07-08 Kartuschenkappe und kartuschenanordnung

Publications (2)

Publication Number Publication Date
EP3936454A1 true EP3936454A1 (de) 2022-01-12
EP3936454B1 EP3936454B1 (de) 2022-11-09

Family

ID=71527712

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20184786.0A Active EP3936454B1 (de) 2020-07-08 2020-07-08 Kartuschenkappe und kartuschenanordnung

Country Status (4)

Country Link
EP (1) EP3936454B1 (de)
BE (1) BE1028414B1 (de)
ES (1) ES2938047T3 (de)
PL (1) PL3936454T3 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023091877A1 (en) * 2021-11-19 2023-05-25 Red Devil Inc. Sausage package dispensing system, device and method
EP4268977A2 (de) 2022-04-05 2023-11-01 Pronova Dichtstoffe GmbH & Co.KG Kartusche zur aufnahme und verarbeitung von baustoffen
DE202023107547U1 (de) 2023-12-20 2024-01-26 Pronova Dichtstoffe GmbH & Co. KG Kartusche zur Aufnahme und Verarbeitung von Baustoffen

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WO2000076676A1 (de) * 1999-06-15 2000-12-21 Createchnic Ag Einweg-selbstöffner zum öffnen einer schlauchbeutel-kartusche und ausdrücken einer pastösen masse aus derselben
EP1065153A1 (de) 1999-07-02 2001-01-03 Kettenbach GmbH & CO. KG Folienverpackung für eine pastöse Substanz
US6234348B1 (en) 1997-11-25 2001-05-22 Cemedine Co., Ltd. Extruding mechanism for film packs
US6364163B1 (en) * 1998-11-18 2002-04-02 John J. Mueller Refillable dispenser and cartridge
US20180333742A1 (en) * 2017-01-04 2018-11-22 Red Devil, Inc. Material dispensing system and method

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DE9103038U1 (de) 1991-03-13 1992-07-16 Thera Patent GmbH & Co KG Gesellschaft für industrielle Schutzrechte, 8031 Seefeld Aktiviervorrichtung für Schlauchpackung
DE9116065U1 (de) 1991-12-24 1992-02-20 Schieferdecker Gmbh & Co Kg, 4006 Erkrath Vorrichtung zur Verarbeitung von in Folienschläuchen verpackten Materialien
DE4326114C2 (de) 1993-08-04 1996-05-30 Buck Chem Tech Werke Verfahren zum Herstellen eines zerlegbaren Behälters
AUPR248700A0 (en) 2000-12-22 2001-02-01 Selleys Pty Limited Dispensing apparatus
DE102007060382B4 (de) 2007-12-12 2015-01-29 Henkel Ag & Co. Kgaa Aufschneidvorrichtung zum Öffnen eines Schlauchbeutels
GB2455372B (en) 2008-05-16 2009-12-30 Paul Evans A container for extrudable material
GB201012094D0 (en) 2010-07-19 2010-09-01 2K Polymer Systems Ltd Multi-component dispenser
CA2816825A1 (en) 2010-12-21 2012-06-28 Sanofi-Aventis Deutschland Gmbh Drug delivery device with housing comprising frangible zone
PL2520360T3 (pl) 2011-05-02 2014-11-28 Sulzer Mixpac Ag Mieszalnik do mieszania przynajmniej dwóch płynnych składników i urządzenie aplikujące

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Publication number Priority date Publication date Assignee Title
US6234348B1 (en) 1997-11-25 2001-05-22 Cemedine Co., Ltd. Extruding mechanism for film packs
US6364163B1 (en) * 1998-11-18 2002-04-02 John J. Mueller Refillable dispenser and cartridge
WO2000076676A1 (de) * 1999-06-15 2000-12-21 Createchnic Ag Einweg-selbstöffner zum öffnen einer schlauchbeutel-kartusche und ausdrücken einer pastösen masse aus derselben
EP1065153A1 (de) 1999-07-02 2001-01-03 Kettenbach GmbH & CO. KG Folienverpackung für eine pastöse Substanz
US20180333742A1 (en) * 2017-01-04 2018-11-22 Red Devil, Inc. Material dispensing system and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023091877A1 (en) * 2021-11-19 2023-05-25 Red Devil Inc. Sausage package dispensing system, device and method
EP4268977A2 (de) 2022-04-05 2023-11-01 Pronova Dichtstoffe GmbH & Co.KG Kartusche zur aufnahme und verarbeitung von baustoffen
DE202023107547U1 (de) 2023-12-20 2024-01-26 Pronova Dichtstoffe GmbH & Co. KG Kartusche zur Aufnahme und Verarbeitung von Baustoffen

Also Published As

Publication number Publication date
EP3936454B1 (de) 2022-11-09
ES2938047T3 (es) 2023-04-04
BE1028414B1 (nl) 2022-07-28
BE1028414A1 (nl) 2022-01-20
PL3936454T3 (pl) 2023-03-13

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