WO2022053450A1 - Appareil de distribution - Google Patents

Appareil de distribution Download PDF

Info

Publication number
WO2022053450A1
WO2022053450A1 PCT/EP2021/074549 EP2021074549W WO2022053450A1 WO 2022053450 A1 WO2022053450 A1 WO 2022053450A1 EP 2021074549 W EP2021074549 W EP 2021074549W WO 2022053450 A1 WO2022053450 A1 WO 2022053450A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
cartridge
sheath
dispensing apparatus
dispensing
Prior art date
Application number
PCT/EP2021/074549
Other languages
English (en)
Inventor
Jemima JUPP
Richard Jupp
Original Assignee
Croftscope Limited
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
Application filed by Croftscope Limited filed Critical Croftscope Limited
Publication of WO2022053450A1 publication Critical patent/WO2022053450A1/fr

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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
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/14—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with linings or inserts
    • 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
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/24—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Definitions

  • This invention relates to an apparatus for dispensing a product, such as a liquid product, and a method for assembling the apparatus.
  • the apparatus relates to a reusable housing and a refill cartridge.
  • Single-use packaging is often used for cosmetics, medicines, foodstuffs and other liquid products.
  • Single-use packaging has the advantage of ensuring that the packaged product is packaged and delivered to the consumer in a sterile environment, avoiding contamination.
  • Single-use packaging commonly contains plastics material, due to the low cost and ease of manufacture.
  • plastics materials have the advantage of providing the packaging with flexibility, enabling the product to be dispensed by squeezing the packaging.
  • plastics materials do not reliably biodegrade, and the recycling of the plastics materials presents many environmental challenges.
  • a common type of single-use packaging for viscous liquids such as toothpaste, ointments etc is commonly known as a tube, squeeze tube or collapsible tube.
  • This typically includes a flexible body containing the viscous liquid and an orifice. The viscous is dispensed by squeezing the flexible body, thereby forcing the viscous liquid through the orifice.
  • This type of packaging cannot be refilled and is often unsuitable for recycling due to a mixture of materials used in the flexible body.
  • the invention relates to dispensing apparatus for dispensing a product, in particular a product that can be caused to flow through a flexible tube by squeezing said tube.
  • Suitable products include foodstuffs, medicine, paint, adhesive, and cosmetics such as toothpaste.
  • the invention relates to dispensing apparatus which can be refilled with product, and related aspects.
  • the invention provides a dispensing apparatus for dispensing a product, the apparatus comprising: a housing, having a housing first end with a dispensing aperture for dispensing the product, a housing second end, and at least one housing wall extending between the housing first end and the housing second end, wherein the at least one housing wall comprises a flexible material, and wherein the housing second end comprises an opening for receiving the product; and a second end closure device having an open configuration in which the opening of the housing is unsealed and a closed configuration in which the opening of the housing is sealed, the second end closure device comprising a sheath dimensioned to receive the housing second end in the closed configuration and a clamping member configured to removably secure the housing second end within the sheath in the closed configuration.
  • the apparatus provides an environmentally friendly packaging that is suitable for use for products such as cosmetics, medicines, foods, paint, glue and other liquids, such as viscous liquids, or thixotropic fluids.
  • the apparatus provides packaging for toothpaste.
  • the housing may comprise a tube.
  • the housing may comprise a squeeze tube or a collapsible tube.
  • the housing may comprise any other suitable form.
  • the housing may comprise a material selected from a plastics material, metal, or a combination thereof.
  • the housing may comprise a compostable material, such as flexible card or cellulose.
  • the housing material may further comprise a binding material, such as a resin and/or plastics material.
  • the housing is filled with product by the user.
  • the user may dispense product from a disposable cartridge into the housing via the opening.
  • the user may insert a product-containing cartridge into the housing via the opening.
  • the opening is then sealed by the user using the second end closure device. This allows the product to be dispensed from the dispensing aperture simply by squeezing the flexible wall of the housing.
  • the housing is configured such that a squeezing action on the flexible housing wall causes the product to be dispensed through the dispensing aperture.
  • the sheath may comprise a recess or other cavity with an open face and a closed base.
  • the housing second end may be inserted into the sheath via the open face until it abuts the closed base.
  • the clamping member is operable to removably secure the housing second end within the sheath in the closed configuration.
  • the clamping member may apply a clamping force to the housing and/or sheath in the closed configuration.
  • the sheath may be configured to retain the housing second end via a close fit that provides a frictional engagement.
  • a recess or cavity of the sheath may have a tapered shape, such that it has an area at an open face thereof that is larger than an area at a closed base thereof.
  • the cavity may have a generally V-shaped cross-section.
  • the tapered shape ensures that the housing second end is gripped within the sheath and that the walls and/or peripheral edges of the housing at the housing second end are pressed together to thereby close the opening.
  • the recess or cavity may have a textured internal surface to improve grip of the housing second end.
  • a flexible seal or grommet may be provided in the recess or cavity, optionally integral with the recess or cavity.
  • the second end closure device may comprise a material selected from plastics, metal or a combination thereof.
  • the closure device may be made via a moulding process.
  • the housing second end may comprise one or more peripheral protrusions projecting radially outwardly therefrom.
  • the housing second end may comprise a peripheral protrusion extending around substantially the whole periphery of the housing second end.
  • the second end closure device may engage the one or more peripheral protrusions to thereby prevent unwanted relative axial movement between the housing and the second end closure device.
  • the second end closure device may comprise a housing grip portion including a first housing grip surface and a second housing grip surface, the second end closure device being configured such that in the closed configuration the housing is gripped between the first and second housing grip surfaces to thereby seal the opening.
  • the clamping member comprises the housing grip portion.
  • the first and second housing grip surfaces preferably have cooperating surface profiles to provide a non-planar interface therebetween in the closed configuration.
  • the first and second housing grip surfaces may be contoured to form a non-planar interface or interface that is non-linear in cross-section.
  • the housing conforms to the shape of the interface. Such an arrangement has been found to provide a particularly effective seal.
  • a respective one of the first and second housing grip surfaces has one or more protrusions and the other of the first and second housing grip surfaces has one or more recesses configured to engage with the one or more protrusions in the closed configuration.
  • the protrusions may comprise ridges and the recesses may comprise corresponding grooves.
  • the first and second housing grip surfaces may have an interface that has a nonlinear profile in cross section, for example a non-linear profile that comprises one or more bends.
  • the non-linear profile may comprise a zig-zag profile, a saw-tooth profile, an S or Z-shaped profile, or a W-shaped profile. Due to the flexible nature of the housing and cartridge, the housing conforms to the shape of the non-linear profile of the passage. The bends in the profile ensure that the housing is securely held within the passage and that the sides of the housing are pushed together, sealing the opening.
  • a flexible seal may be provided on one of the first or second housing grip surfaces.
  • the first housing grip surface and/or the second housing grip surface may be provided with a textured surface.
  • This textured surface increases the grip between the second end closure device and the housing.
  • the textured surface may comprise protrusions, ridges and/or dimples.
  • the second end closure device may also, or alternatively, comprise a sheath grip portion including a first sheath contact surface and a second sheath contact surface, the second end closure device being configured such that in the closed configuration the sheath is squeezed between the first and second sheath contact surfaces to thereby secure the housing second end within the sheath.
  • the clamping member comprises the sheath grip portion.
  • the clamping member comprises both the housing grip portion and the sheath grip portion
  • operation of the clamping member simultaneously secures the housing second end within the sheath and seals the housing.
  • This arrangement is considered to be particularly advantageous for its ease of operation, and its superior performance in sealing the opening.
  • the second end closure device preferably comprises securing means to secure the second end closure device in the closed configuration.
  • the securing means may comprise a snap-fit mechanism, interlocking male and female parts, fasteners, a friction fit arrangement, or a spring clip.
  • the clamping member is preferably configured to move relative to the sheath as the second end closure device approaches the closed configuration. That is, the second end closure device may be configured to adopt the closed configuration in response to progressive movement of the clamping member relative to the sheath.
  • the clamping member comprises a first portion and a second portion connected by a hinge portion permitting relative movement between the first and second portions.
  • the sheath may be integral (i.e. part of the same unitary part, not necessarily manufactured in one piece) with the clamping member, optionally integral with the first and/or second portion.
  • the clamping member is separate or separable from the sheath in the open configuration.
  • the second end closure device may further comprise an elastomeric cap configured to encase the housing second end to thereby seal the opening, the elastomeric cap being sandwiched between the housing second end and the sheath in the closed configuration.
  • the elastomeric cap may have a close fit with the housing second end such that in an unstretched configuration its interior dimensions are smaller than the corresponding outer dimensions of the housing second end. In use, it may be stretched to a stretched configuration before it is assembled over the housing second end, the elastomeric nature of the cap thereby serving to seal the opening.
  • the elastomeric cap may serve to provide an improved seal of the opening.
  • the elastomeric cap may be particularly advantageous in arrangements in which the sheath is substantially wider at its longest dimension than a widest dimension of the housing second end, to permit a universal second end closure device to be used for multiple sizes of housing.
  • the apparatus further comprises a cartridge adapted to contain the product, the cartridge having a cartridge first end, a cartridge second end and at least one flexible wall extending between the cartridge first end and the cartridge second end, wherein the cartridge is dimensioned so that it can be inserted into the housing via the opening and such that a portion of the cartridge cooperates with the dispensing aperture.
  • a cartridge has the benefit that the cartridge can be replaced when empty, enabling the housing and connecting means to be readily re-used.
  • the re-usable nature of the housing and connecting means reduced environmental waste.
  • the housing and cartridge are configured such that a squeezing action on the flexible housing walls causes the product to be dispensed through the dispensing aperture.
  • the apparatus may comprise connecting means configured to anchor the cartridge to the housing, at one or both ends, thereby preventing the cartridge from becoming dislodged within the housing.
  • connecting means configured to anchor the cartridge to the housing, at one or both ends, thereby preventing the cartridge from becoming dislodged within the housing.
  • the connecting means may comprise a second end connecting means to secure the cartridge at the cartridge second end.
  • the second end connecting means may be configured to close the housing opening.
  • the second end closure device may comprise the second end connecting means.
  • the second end connecting means and second end closure device may be integral in a single component or component assembly.
  • the connecting means may comprise a first end connecting means to secure the cartridge at the cartridge first end.
  • the cartridge may be replaced when the contents have been dispensed.
  • the material used for the cartridge allows the cartridge to be disposed of in an environmentally friendly manner, for example by composting or biodegrading.
  • the cartridge may be formed from a compostable or biodegradable material, such as cellulose.
  • a compostable material has the advantage that is can easily be undertaken in the home environment.
  • An example of a suitable compostable material is a bio-film, for example comprising wood-pulp.
  • the cartridge material may be thin and flexible to allow the product to be dispensed by squeezing the cartridge, through the housing.
  • the use of a thin material also encourages the composting or biodegrading process.
  • the cartridge material preferably has a thickness of less than 100 microns, or less than 90 microns, or less than 80 microns, or less than 70 microns, or less than 60 microns, or less than 50 microns, or less than 40 microns.
  • the cartridge material preferably has a thickness of at least 20 microns, or at least 30 microns, or at least 40 microns, or at least 50 microns, or at least 60 microns, or at least 70 microns, or at least 80 microns, or at least 90 microns.
  • the cartridge material has a thickness in the range of 40-50 microns, for example about 45 microns. This range of thickness has been found to ensure flexibility and integrity of the cartridge in use, whilst also being sufficiently thin to have good compostable properties. In particular, this range of thickness ensures the cartridge is sufficiently flexible to allow the dispensing of the product, whilst also ensuring sufficient integrity to both securely contain the contents of the cartridge, and for the cartridge to be secured at one or both ends by the connecting means.
  • the cartridge may comprise one or more cartridge engagement members to engage with the connection means.
  • the one or more cartridge engagement members may comprise one or more fixing portions at or towards the first end, configured in use to be secured between the first end connecting means and the housing.
  • the one or more fixing portions comprise tabs.
  • the fixing portions may be configured such that they extend through the dispensing aperture in the housing when the cartridge is inserted into the housing. In use, the fixing portions may be secured between the housing and the connecting means.
  • the fixing portions may be integral with the cartridge wall. Alternatively, the fixing portions may be secured to the cartridge wall, for example using adhesive or heat-sealed.
  • the cartridge is secured only at its second end and no fixing portions are required.
  • the one or more cartridge engagement members may be located at or towards the cartridge second end. in one embodiment, the one or more cartridge engagement members comprise one or more apertures.
  • the cartridge may be provided with an extended section of material at its second end to enable the second end to be folded over when assembled within the housing. This arrangement provides extra strength to the cartridge where it engages with the first connection means.
  • the second end of the housing is folded over in use.
  • the connecting means is dimensioned to accommodate the thickness of the folded end. This arrangement can achieve a near 100% airtight seal at the second end.
  • the second end of the cartridge and the second end of the housing are both folded over in use.
  • the cartridge is dimensioned such that a portion of the cartridge fits into the dispensing aperture.
  • the housing and cartridge may be mutually shaped, so that the cartridge fits easily into the housing.
  • the cartridge may be tapered, for example at the first end, to fit the internal shape of the housing. This shaping can assist in correct positioning of the cartridge in the housing at the first end, particularly when only the second end is secured with connecting means.
  • the refill cartridge can be shaped at its first end to conform to a shape of the housing, so that when the cartridge is inserted into the housing, an end of the cartridge easily protrudes out of the housing through the dispensing aperture.
  • the flexible wall of the housing enables the housing to be squeezed to dispense the product.
  • the housing may provide structural integrity to a cartridge held therein.
  • the second end closure device may be configured to removably secure the cartridge within the housing.
  • the sheath may be dimensioned to receive the housing second end and the cartridge second end in the closed configuration.
  • the apparatus may further comprise a first end connecting means to secure the cartridge to the housing at the cartridge first end.
  • the cartridge may comprise one or more fixing portions at the cartridge first end, configured in use to be secured between the first end connecting means and the housing.
  • the first end connecting means may comprise a nozzle.
  • the nozzle may comprise a shoulder plate, configured such that in use the one or more fixing portions are secured between the shoulder plate and the housing.
  • the nozzle may be provided with a piercing element for piercing the cartridge when the apparatus is assembled.
  • the first end connecting means and the one or more housing engagement members are configured to trap a portion of the cartridge engagement member between them, thereby securing the cartridge to the housing.
  • the first end connecting means may comprise a nozzle.
  • the nozzle may comprise a shoulder plate.
  • the nozzle has a longitudinal axis, and wherein shoulder plate extends substantially perpendicular to the longitudinal axis.
  • the housing engagement member comprises a receiving means.
  • the nozzle and receiving means may have complementary screw threads, enabling the nozzle to engage with the receiving means.
  • a portion of the cartridge first end may be ruptured to allow the product to be dispensed through the dispensing aperture.
  • the cartridge may be ruptured by piercing, for example by a toothpick, or by pulling the fixing portions apart.
  • the cartridge may be provided with a rupturable seal or a perforated tear-line.
  • the apparatus comprises a piercing device, such as a pin, for piercing the cartridge.
  • the first end connecting device may comprise a piercing device.
  • the first end connecting device may be configured such that the piercing device is aligned with and extends towards or into the dispensing aperture when the second connecting device is connected to the housing. In this manner, the cartridge will be pierced and the product in the cartridge may be dispensed through the dispensing aperture.
  • a closure cap may be provided to seal the dispensing aperture.
  • the closure cap may be secured to the first end connecting means, for example the nozzle.
  • the closure cap comprises a piercing element, configured to be aligned with and extend into the dispensing aperture. In this manner, the piercing element will rupture the cartridge when the apparatus is assembled.
  • the connecting means are separate components to the housing and cartridge. This allows for the connecting means to be easily dismantled and individually cleaned.
  • the product may comprise a liquid, for example a viscous liquid or thixotropic fluid.
  • the product may be selected from cosmetics, foodstuffs, medicine, paint and adhesive.
  • the product comprises toothpaste.
  • a second related aspect of the invention provides a method for assembling a dispensing apparatus for dispensing a product, the method comprising: providing a housing, the housing having a housing first end with a dispensing aperture for dispensing the product, a housing second end, and at least one housing wall extending between the housing first end and the housing second end, wherein the at least one housing wall comprises a flexible material, and wherein the housing second end comprises an opening for receiving the product; providing a second end closure device comprising a sheath and a clamping member; and sealing the opening of the housing by inserting the housing second end into the sheath and removably securing the housing second end within the sheath with the clamping member.
  • a third related aspect of the invention provides a cartridge for containing product, the cartridge being configured for use in an apparatus according to the first aspect, the cartridge comprising: a cartridge first end, a cartridge second end and at least one flexible wall extending between the cartridge first end and the cartridge second end, wherein the cartridge is dimensioned so that it can be inserted into the housing of the apparatus via the opening thereof, and such that a portion of the cartridge fits into the dispensing aperture of the housing.
  • a fourth related aspect of the invention provides a kit of parts including an apparatus according to the first aspect and a cartridge comprising: a cartridge first end, a cartridge second end and at least one flexible wall extending between the cartridge first end and the cartridge second end, wherein the cartridge is dimensioned so that it can be inserted into the housing of the apparatus via the opening thereof, and such that a portion of the cartridge fits into the dispensing aperture of the housing.
  • An alternative aspect of the present invention provides an apparatus for dispensing a product, the apparatus comprising: a housing, having a housing first end with a dispensing aperture, a housing second end, and at least one housing wall extending between the housing first end and the housing second end, wherein the at least one housing wall comprise a flexible material, and wherein the housing comprises an opening; a cartridge for containing the product, the cartridge having a cartridge first end, a cartridge second end and at least one cartridge wall extending between the cartridge first end and the cartridge second end, the at least one cartridge wall comprising a flexible material, wherein the cartridge is dimensioned so that it can be inserted into the housing via the opening; and a connecting means to removably secure the cartridge within the housing.
  • the apparatus provides an environmentally friendly packaging that is suitable for use for products such as cosmetics, medicines, foods, paint, glue and other liquids, such as viscous liquids.
  • the apparatus provides packaging for toothpaste.
  • a cartridge has the benefit that the cartridge can be replaced when empty, enabling the housing and connecting means to be re-used.
  • the re-usable nature of the housing and connecting means reduces environmental waste.
  • the housing and cartridge are configured such that a squeezing action on the flexible housing walls causes the product to be dispensed through the dispensing aperture.
  • the connecting means anchors the cartridge to the housing, at one or both ends, thereby preventing the cartridge from becoming dislodged within the housing.
  • the connecting means anchors the cartridge to the housing, at one or both ends, thereby preventing the cartridge from becoming dislodged within the housing.
  • the connecting means may comprise a second end connecting means to secure the cartridge at the cartridge second end.
  • the second end connecting means may be configured to close the housing opening.
  • the connecting means may comprise a first end connecting means to secure the cartridge at the cartridge first end.
  • the apparatus is designed to be stored upright, with the first end downwards and the second end upwards.
  • only the second end connecting means is required, as securing the cartridge at the second end is sufficient to prevent rucking up when the apparatus is stored in this configuration.
  • the apparatus is designed to be stored upright, with the first end upwards and the second end downwards.
  • only the first end connecting means is required, as securing the cartridge at the first end is sufficient to prevent rucking up when the apparatus is stored in this configuration.
  • the apparatus is provided with both first and second connecting means.
  • This has the advantage that the apparatus can be stored in any configuration without rucking up of the cartridge.
  • the cartridge may be replaced when the contents have been dispensed.
  • the material used for the cartridge allows the cartridge to be disposed of in an environmentally friendly manner, for example by composting or biodegrading.
  • the cartridge may be formed from a compostable or biodegradable material, such as cellulose.
  • a compostable material has the advantage that is can easily be undertaken in the home environment.
  • An example of a suitable compostable material is a bio-film, for example comprising wood-pulp.
  • the cartridge material may be thin and flexible to allow the product to be dispensed by squeezing the cartridge, through the housing.
  • the use of a thin material also encourages the composting or biodegrading process.
  • the cartridge material preferably has a thickness of less than 100 microns, or less than 90 microns, or less than 80 microns, or less than 70 microns, or less than 60 microns, or less than 50 microns, or less than 40 microns.
  • the cartridge material preferably has a thickness of at least 20 microns, or at least 30 microns, or at least 40 microns, or at least 50 microns, or at least 60 microns, or at least 70 microns, or at least 80 microns, or at least 90 microns.
  • the cartridge material has a thickness in the range of 40-50 microns, for example about 45 microns. This range of thickness has been found to ensure flexibility and integrity of the cartridge in use, whilst also being sufficiently thin to have good compostable properties. In particular, this range of thickness ensures the cartridge is sufficiently flexible to allow the dispensing of the product, whilst also ensuring sufficient integrity to both securely contain the contents of the cartridge, and for the cartridge to be secured at one or both ends by the connecting means.
  • the cartridge may comprise one or more cartridge engagement members to engage with the connection means.
  • the one or more cartridge engagement members may comprise one or more fixing portions at or towards the first end, configured in use to be secured between the first end connecting means and the housing.
  • the one or more fixing portions comprise tabs.
  • the fixing portions may be configured such that they extend through the dispensing aperture in the housing when the cartridge is inserted into the housing. In use, the fixing portions may be secured between the housing and the connecting means.
  • the fixing portions may be integral with the cartridge wall. Alternatively, the fixing portions may be secured to the cartridge wall, for example using adhesive or heat-sealed.
  • the cartridge is secured only at its second end and no fixing portions are required.
  • the one or more cartridge engagement members may be located at or towards the cartridge second end. in one embodiment, the one or more cartridge engagement members comprise one or more apertures.
  • the cartridge may be provided with an extended section of material at its second end to enable the second end to be folded over when assembled within the housing. This arrangement provides extra strength to the cartridge where it engages with the first connection means.
  • the second end of the housing is folded over in use.
  • the connecting means is dimensioned to accommodate the thickness of the folded end. This arrangement can achieve a near 100% airtight seal at the second end.
  • the second end of the cartridge and the second end of the housing are both folded over in use.
  • the cartridge is dimensioned such that a portion of the cartridge fits into the dispensing aperture.
  • the housing and cartridge may be mutually shaped, so that the cartridge fits easily into the housing.
  • the cartridge may be tapered, for example at the first end, to fit the internal shape of the housing. This shaping can assist in correct positioning of the cartridge in the housing at the first end, particularly when only the second end is secured with connecting means.
  • the refill cartridge can be shaped at its first end to conform to a shape of the housing, so that when the cartridge is inserted into the housing, an end of the cartridge easily protrudes out of the housing through the dispensing aperture.
  • the flexible wall of the housing enables the housing to be squeezed to dispense the product.
  • the housing may provide structural integrity to a cartridge held therein.
  • the housing may comprise a tube.
  • the housing may comprise a squeeze tube or a collapsible tube.
  • the housing may comprise any other suitable form.
  • the housing may comprise a material selected from a plastics material, metal, or a combination thereof.
  • the opening is located at or towards the second end of the housing. In another embodiment, the opening is located at or towards the first end of the housing. In this case, the second end of the housing may be sealed.
  • the opening may comprise the dispensing aperture.
  • the housing first end may be removable from the rest of the housing, exposing the opening when removed.
  • the housing first end may be reversibly engaged with the housing walls, such that removal of the housing first end exposes an opening defined by the housing walls.
  • the dispending aperture may be located on the removable first end.
  • the housing may comprise one or more housing engagement members to engage with the connecting means.
  • the housing engagement member comprises one or more apertures.
  • the housing engagement member may comprise a receiving member at the housing first end, to receive a first end connecting means.
  • the second end connecting means may comprise one or more engagement means for engagement with the second end of the housing and the second end of the cartridge.
  • the engagement means comprise one or more protrusions. The connection means thereby secures the second end of the cartridge to the second end of the housing.
  • the cartridge second end may comprise one or more cartridge engagement members for cooperating with the engagement means.
  • the cartridge engagement member comprises one or more apertures.
  • the one or more engagement means of the second end connecting means may pierce the cartridge wall.
  • the cartridge may be provided with two or more cartridge engagement members, the two or more cartridge engagement members being configured such that, in use, the second end of the cartridge may be folded such that one connecting means engagement member engages with two cartridge engagement members.
  • the connecting means may comprise a first member with a first contact surface and a second member with a second contact surface, wherein the first and second members are configured such that, in use, the housing is held between the first and second contact surfaces to thereby close the opening.
  • the second end connecting means may be configured to surround the opening of the housing in use, thereby enclosing the opening and preventing leaks.
  • the second end connecting means comprises an end portion and opposing side portions, wherein the end portion, in use, extends between the first and second members and is configured to cover the opening, and wherein the opposing side portions, in use, extend between the first and second members and border the end portion.
  • the first member and the second member may be connected by a hinge.
  • the end portion comprises a hinge.
  • the connecting means may be provided with a securing means to secure the first and second members together, such as a snap fit arrangement.
  • the securing means is provided on one or both opposing side portions.
  • the first member may be provided with one or more protrusions, and wherein the second member is provided with one or more receiving elements to receive the respective one or more protrusions.
  • a seal is provided on one of the first and second members. The seal may be located to form a seal between the one or more protrusions and the one or more receiving elements when the second connecting means is in a closed configuration. For example, the seal may be located on the first member, in the region of the one or more protrusions, or on the second member, in the region of the one or more receiving elements.
  • the one or more protrusions comprises one or more pins and the one or more receiving elements comprise one or more apertures, and wherein the seal is located around the one or more pins or around the one or more apertures.
  • the seal may be circular, for example an O-ring or washer.
  • the seal may comprise rubber or silicone.
  • the connecting means may comprise a material selected from plastics, metal or a combination thereof.
  • the connecting means may be made via a moulding process.
  • the second end connecting means comprises a clip having protrusions, such as pins, that can be located through an aperture in the second end of the cartridge and/or housing.
  • the pins or protrusion may pierce the walls of the cartridge and/or housing.
  • the apertures may be elongated to allow easier location by the user.
  • the second end connecting means comprises a sheath dimensioned so that at least one of the cartridge and housing can be inserted into the sheath.
  • the sheath may be configured to hold one or both of the cartridge and housing in a friction fit.
  • the sheath may comprise a channel, configured to receive the housing and/or cartridge.
  • the channel may be tapered.
  • the channel may have a diameter at an open end which is larger than the diameter at an end opposite to the open end.
  • the channel may have a V shape. The tapered shape of the channel ensures that the housing is gripped within the channel and that the sides of the housing are pressed together, closing the opening.
  • a seal may be provided in the channel, at an end opposite to the open end.
  • the first contact surface and the second contact surface of the second connecting means define a passage between them which, in use, receives the housing.
  • the first and second contact surfaces are contoured to form a non-linear profile of the passage.
  • the non-linear profile comprises one or more bends.
  • the non-linear profile may comprise a zig-zag profile, a saw-tooth profile, an S or Z-shaped profile, or a W-shaped profile. Due to the flexible nature of the housing and cartridge, the housing conforms with the shape of the non-linear profile of the passage. The bends in the profile ensure that the housing is securely held within the passage and that the sides of the housing are pushed together, sealing the opening.
  • a seal may be provided on one of the first and second contact surfaces.
  • the first contact surface and/or the second contact surface may be provided with a textured surface.
  • This textured surface increases the grip between the second connecting means and the housing.
  • the textured surface may comprise protrusions, ridges and dimples.
  • the connecting means may comprise a sheath to engage with the cartridge and first and second members to engage with the housing.
  • the first end connecting means and the one or more housing engagement members are configured to trap a portion of the cartridge engagement member between them, thereby securing the cartridge to the housing.
  • the first end connecting means may comprise a nozzle.
  • the nozzle may comprise a shoulder plate.
  • the nozzle has a longitudinal axis, and wherein shoulder plate extends substantially perpendicular to the longitudinal axis.
  • the housing engagement member comprises a receiving means.
  • the nozzle and receiving means may have complementary screw threads, enabling the nozzle to engage with the receiving means.
  • a portion of the cartridge first end may be ruptured to allow the product to be dispensed through the dispensing aperture.
  • the cartridge may be ruptured by piercing, for example by a toothpick, or by pulling the fixing portions apart.
  • the cartridge may be provided with a rupturable seal or a perforated tear-line.
  • the apparatus comprises a piercing device, such as a pin, for piercing the cartridge.
  • the first end connecting device may comprise a piercing device.
  • the first end connecting device may be configured such that the piercing device is aligned with and extends towards or into the dispensing aperture when the second connecting device is connected to the housing. In this manner, the cartridge will be pierced and the product in the cartridge may be dispensed through the dispensing aperture.
  • a cap may be provided to seal the dispensing aperture.
  • the cap may be secured to the first end connecting means, for example the nozzle.
  • the cap comprises a piercing element, configured to be aligned with and extend into the dispensing aperture. In this manner, the piercing element will rupture the cartridge when the apparatus is assembled.
  • the connecting means are separate components to the housing and cartridge. This allows for the connecting means to be easily dismantled and individually cleaned.
  • the apparatus may further comprise an elastomeric cap configured to encase the housing second end to thereby seal the opening, the elastomeric cap being sandwiched between the housing second end and the sheath in the closed configuration, or between the housing second end and the second end connecting means.
  • the elastomeric cap may have a close fit with the housing second end such that in an unstretched configuration its interior dimensions are smaller than the corresponding outer dimensions of the housing second end. In use, it may be stretched to a stretched configuration before it is assembled over the housing second end, the elastomeric nature of the cap thereby serving to seal the opening.
  • the elastomeric cap may serve to provide an improved seal of the opening.
  • the elastomeric cap may be particularly advantageous in arrangements in which the sheath or second end connecting means is substantially wider at its longest dimension than a widest dimension of the housing second end, to permit a universal second end closure device or second end connecting means to be used for multiple sizes of housing.
  • the product may comprise a liquid, for example a viscous liquid.
  • the product may be selected from cosmetics, foodstuffs, medicine, paint and adhesive.
  • the product comprises toothpaste.
  • An aspect of the present invention provides a method for assembling an apparatus for dispensing a product, the method comprising: providing a housing, the housing comprising a housing first end with a dispensing aperture, a housing second end having an opening, and at least one housing wall extending between the housing first end and the housing second end, wherein the at least one housing wall comprises a flexible material; providing a cartridge containing a product, the cartridge comprising a cartridge first end, a cartridge second end and at least one flexible wall extending between the cartridge first end and the cartridge second end, the at least one cartridge wall comprising a flexible material, wherein the cartridge is dimensioned so that it can be inserted into the housing via the opening; inserting the cartridge into the housing; and securing the cartridge to the housing with a connecting means.
  • An aspect of the present invention provides an apparatus for dispensing a product contained in an insertable cartridge, the product comprising: a housing, having a housing first end with a dispensing aperture, a housing second end having an opening configured to receive a cartridge containing the product, and at least one housing wall extending between the housing first end and the housing second end, wherein the at least one housing wall comprise a flexible material; and a connecting means to removably secure the cartridge within the housing.
  • the cartridge may be inserted into the housing via the opening.
  • the cartridge may be inserted into the housing via the dispensing aperture.
  • An aspect of the present invention provides an apparatus for containing product in a refillable product dispenser, the apparatus comprising: a cartridge for containing the product, the cartridge having a cartridge first end, a cartridge second end and at least one flexible wall extending between the cartridge first end and the cartridge second end, the at least one cartridge wall comprising a flexible material, wherein the cartridge is provided with at least one cartridge engagement means for securing the cartridge to a housing of the refillable product dispenser.
  • An further related aspect of the present invention provides an apparatus for dispensing a product, the apparatus comprising: a housing, having a housing first end with a dispensing aperture, a housing second end, and at least one housing wall extending between the housing first end and the housing second end, wherein the at least one housing wall comprise a flexible material, and wherein the housing comprises an opening; and a connecting means to close the opening of the housing.
  • Figure 1 is a schematic illustration showing the components of an apparatus for dispensing a product according to an example
  • Figures 2A and 2B are schematics illustrations showing front and side views of a housing of the apparatus according to an example;
  • FIGS. 2C and 2D are schematic illustrations showing perspective views housing receiving means according to an example
  • Figures 3A and 3B are schematic illustrations showing front and side views of a cartridge according to an example
  • Figures 3C and 3D are schematic illustrations showing front and side views of a cartridge according to an alternative embodiment
  • Figures 3E to 3G are schematic illustrations showing front, side and perspective views of a cartridge according to an alternative embodiment
  • Figures 3H to 31 are schematic illustrations showing front and side views of a cartridge according to an alternative embodiment
  • Figures 4A and 4B are schematic illustrations showing front and side views of a cartridge inserted into a housing according to an example
  • Figures 5A is a schematic illustration showing a perspective view of a second end connecting means in an open configuration, according to an example
  • Figures 5B and 5C are schematic illustrations showing a side view and enlarged view of a second end connecting means in a closed configuration, according to an example
  • Figures 5D and 5E are schematic illustrations showing top and bottom perspective views of a second end connecting means in a closed configuration, according to an example
  • Figures 6A and 6B are schematic illustrations showing a front view and an enlarged side view of second end connecting means secured to a housing and a cartridge according to an example;
  • Figures 7A and 7B are schematic illustrations showing front and side views of a cartridge according to according to an example
  • Figures 8A and 8B are schematic illustrations showing enlarged side views of a second end connecting means secured to a cartridge according to an example
  • Figure 9A is a schematic illustration showing a side view first end connecting means according to an example
  • Figures 9B and 9D are schematic illustrations showing a side view, a cross section along lines A-A and a cut-away perspective view of a first end connecting means inserted into a receiving means of a housing according to an example;
  • Figures 10A and 10B are schematic illustrations showing front and side views of a cartridge secured within a housing at a housing first end according to an example
  • Figures 11A, 11B and 11C are schematic illustrations showing a front view, a cross sectional view along AA of Fig 11A, and a perspective view of an embodiment of a connecting means;
  • Figure 12 is a schematic illustration showing a perspective view of an embodiment of a connecting means
  • Figures 13A and 13B are schematic illustrations showing a cross sectional view and a perspective view of an embodiment of a connecting means
  • Figures 14A, 14B and 14C are schematic illustrations of a first example of an embodiment of an alternative dispensing apparatus, Figures 14A and 14B showing only the second end closure device in open and closed configurations, respectively;
  • Figures 15A and 15B are schematic illustrations of a modified second end closure device in open and closed configurations, respectively, that is suitable for use with the alternative dispensing apparatus of Figures 14A-C;
  • Figure 16 is a schematic illustration of a further modified second end closure device in an open configuration, that is suitable for use with the alternative dispensing apparatus of Figures 14A-C;
  • Figures 17A, 17B and 17C are schematic illustrations of a further second end closure device that is suitable for use with the alternative dispensing apparatus of Figures 14A-C, Figures 17A and 17B showing only the second end closure device in closed and open configurations, respectively;
  • Figures 18A, 18B, 18C and 18D are schematic illustrations of a second example of an embodiment of an alternative dispensing apparatus, Figure 18A showing a plan view, Figure 18B a side elevation of the second end closure device only, and Figure 18C an exploded side elevation of the second end closure device;
  • Figures 19A and 19B are schematic illustrations of a modified second end closure device that is suitable for use with the alternative dispensing apparatus of Figures 10A-D, Figure 19A showing an exploded side elevation of the second end closure device only; and Figures 20A, 20B, 20C and 20D are schematic illustrations of a third example of an embodiment of an alternative dispensing apparatus, Figure 20A showing a plan view, Figure 20B a side elevation of the second end closure device only, and Figure 20C a view of the spring clip only.
  • Figure 1 is a schematic illustration showing the component parts of an apparatus for dispensing a product according to a first embodiment of the invention. The assembled components are shown in Figs 10A and B.
  • the apparatus 100 comprises a housing 102, a cartridge 104, and connecting means 106, 108 for securing the cartridge within the housing.
  • the housing 102 is in the form of a tube, with a first end 112 provided with a dispending aperture 124 and a second end 110, opposite to the first end.
  • the walls 114 of the tube, extending from the first end to the second end are flexible.
  • An opening 116 (shown in Fig 2B) is formed at the second end, into which a cartridge may be inserted.
  • the cartridge 104 is made of a thin compostable material and contains the product.
  • the cartridge has a first end 128 and a second end 126.
  • the walls 136 of the cartridge extending from the first end to the second end are flexible.
  • the cartridge In use, the cartridge is inserted into the housing, through the opening, such that the first end of the cartridge is aligned with the first end of the housing.
  • the connecting means 106, 108 are configured to secure the cartridge 104 within the housing.
  • a second end connecting means 106 secures the cartridge 104 in the housing 102 at the second end.
  • the first end connecting means 108 secures the cartridge 104 in the housing 102 at a first end.
  • the housing 102 and end connecting means 106,108 are re-usable, whereas the cartridge is a single use, re-fill cartridge.
  • the housing 102 will now be described with reference to Figs 2A-2D.
  • the housing 102 comprises a tube having a housing first end 112 and a housing second end 110.
  • Housing walls 114 extend from the housing first end to the housing second end.
  • the housing walls are made of a flexible material, allowing the sides of the housing to be squeezed.
  • the housing 102 comprises a dispensing aperture 124 at the housing first end 112.
  • the dispensing aperture 124 allows for a product to be dispensed from a cartridge 104 held within the housing 102.
  • the housing second end is provided with an opening 116, which allows a cartridge to be inserted into the housing interior.
  • the housing 102 has one or more housing engagement members, in the form of apertures 120, at the housing second end 110, which cooperate with the second end connecting means 106.
  • the housing engagement member 120 allows for a cartridge 104 to be secured within the housing at the housing second end 110.
  • the housing 102 has a further housing engagement member in the form of a receiving means 122 (illustrated in Fig 2D) at the housing first end 112 to cooperate with the first end connecting means 108.
  • the receiving means 122 allows for a cartridge 104 to be secured within the housing 102 at the housing first end 112.
  • the receiving means is a screw thread, which engages with a cooperating screw thread on the first end connecting means.
  • the housing first end may be provided with a reinforced region to support the screw thread.
  • this reinforced region may be integrally formed with the flexible material of the housing 102 or may be provided as a gusset.
  • the reinforced region is thicker than the side walls of the housing.
  • the housing first end 112 comprises the dispensing aperture 124.
  • Fig 2C shows the first end of the housing having an oval cross section, whilst Fig 2D shows a rectangular cross section.
  • any suitable cross section may be used, including shapes used for conventional non-recyclable squeeze tubes, for example the cross section may be rectangular, oval or circular.
  • the receiving means 122 comprises a screw thread around the dispensing aperture 124.
  • the housing receiving means 122 may be made of any suitable material, for example plastics or metallic material.
  • the housing receiving means 122 may be formed any suitable method, for example by moulding or machining.
  • the housing is formed from a flexible material, for example a plastics, metal or a composite material.
  • the housing is typically formed from an extrusion process.
  • the first end is thicker (typically 4-5mm) than the walls (typically 2-3mm), to enable it to support the housing receiving means 122.
  • the second end of the housing is left unsealed, to form the opening.
  • FIGS 3A and 3B show a first embodiment of the cartridge.
  • the cartridge 104 comprises a cartridge body 131 with a central cavity 135 which, in use, is filled with product.
  • the cartridge has a cartridge second end 126 and a cartridge first end 128 at opposing ends of the cartridge.
  • Cartridge walls 136 extend from the cartridge second end to the cartridge first end.
  • the cartridge 104 comprises one or more cartridge engagement members 138, in the form of apertures, at the cartridge second end 126.
  • the cartridge engagement members 138 cooperate with the second end connecting means, allowing the cartridge 104 to be secured within the housing 102 at the cartridge second end 126.
  • the cartridge 104 also has one or more cartridge engagement members in the form of fixing portions 140 at the cartridge first end 128 for fixing to the first end connecting means 108.
  • the cartridge fixing portions 140 are in the form of tabs extending from the body the cartridge 104.
  • the fixing portion 140 allows for the cartridge 104 to be secured within the housing 102 at the cartridge first end 128.
  • the fixing portions are configured in use to be secured between the first end connecting means 108 and the housing.
  • the tabs are provided at a central location of the cartridge first end 128.
  • the cartridge is formed from two sheets of a cellulose bio-film which are joined together around the perimeter of the cavity.
  • the cartridge 104 is formed with a first side 132 and a second side 134 and a seam 130 defining the cavity 135.
  • the seam 130 may comprise a fold in a continuous sheet of the flexible material or may be formed by other means such as adhesive or heat sealing.
  • the seam at the second end 126 is sufficiently wide to encompass the cartridge engagement members 138.
  • the portion of the sheets forming the cartridge fixing portion 140 are not sealed together.
  • the seal 136 is located below apertures 138, to keep the product sealed and airtight within the cavity.
  • the wall at the cartridge first end 128 is sufficiently thin to be cut, torn or pierced.
  • FIGs 3C and 3D A second embodiment of the cartridge is illustrated in Figs 3C and 3D.
  • the fixing potions 140 is slightly longer, with the seam 130 extending partially into the fixing portion 140.
  • the section of seam 130 extending partially into the fixing portion may act as a rupturable seal 142, in which the seal is broken to dispense a product from within the cartridge.
  • the fixing portion is inserted through the dispensing aperture of the housing and the two tabs are pulled apart. This action ruptures the seal 142 in the fixing portion 140, thereby opening the cartridge 104.
  • a third embodiment of the cartridge is illustrated in Fig 3E-3G.
  • the fixing portion 140 is in the form of a cylinder. This embodiment has the advantage that as the entire circumference of the cylinder is secured between the housing and second fixing device, the opportunity for leakage of the product from the cartridge into the housing is minimised.
  • a fourth embodiment of the cartridge is illustrated in Figs 3H-3I. This embodiment is suitable for use when the only the second end of the cartridge is secured to the housing.
  • the first end 128 of the cartridge is not provided with any fixing portions.
  • the first end of the cartridge may be shaped to enable it to protrude into the dispensing aperture of the housing.
  • Figures 4A and 4B are schematic illustrations showing the cartridge 104 inserted into the housing 102.
  • the cartridge 104 is dimensioned so that it can be inserted into the housing 102 via the opening 116 and that the first end 128 fits into the first end 112 of the housing, so that the fixing portions 140 will extend through the dispensing aperture 124 of the housing.
  • the cartridge second end 126 and housing second end 110 are both tapered.
  • the cartridge first end 128 and housing first end 112 may also be both tapered.
  • the cartridge first end 128 is pushed towards the first end of the housing, until the cartridge fixing portion 140 extends through the dispensing aperture 124.
  • a user may hold the cartridge fixing portion 140 whilst assembling the second end connecting means 106 to the housing second end 110.
  • the connecting means 106, 108 removably secures the cartridge 104 within the housing 102.
  • the connecting means 106 is disposed on the housing second end 110 to close the opening 116, and thereby contain the cartridge within the housing.
  • the second end connecting means 106 will now be described with reference to Figs 5A to 5E.
  • Figure 5A shows the second end connecting means 106 in an open or unsecured state.
  • the second end connecting means 106 has a first member 144 with a first contact surface
  • the first and second members are elongate, dimensioned to be slightly longer than the width of the second end of the housing.
  • the first member 144 comprises one or more engagement means 148 in the form of one or more protrusions
  • the second member 146 comprises one or more receiving elements 150 in the form of one or more apertures.
  • the one or more receiving elements 150 are configured to receive the respective one or more engagement means 148.
  • the engagement means 148 pass through the one or more apertures of the housing engagement means and cartridge engagement means before being received by the receiving elements 150.
  • the second end connecting means 106 is provided with an end portion (provided by hinge portion 152 in this embodiment) and opposing side portions 151,153, configured so that in the closed or secured state, the first and second members 144,146, end portion 152 and opposing side portions 151,153 enclose the opening 116 of the housing.
  • the end portion is elongate and extends between the elongate sides of the first and second members.
  • the end portion is dimensioned so that it is sufficiently large to cover the housing.
  • the opposing side portions are positions at opposite ends of and transverse to the elongate end portion and extend between the first and second members.
  • the first member 144 and second member 146 are connected via a hinge section 152, for example a double hinge or a living hinge.
  • the hinge section 152 enables the first member 144 and the second member 146 to be brought together in a closed configuration with the first contact surface 145 and the second contact surface 147 directly opposite one another.
  • the hinge section is provided on the end portion. However, it could also be provided on a side portion.
  • securing means 154 are provided to secure the first member 144 and second member 146 together.
  • the securing means 154 are in the form of a snap-fit connection, integral with the first and second members.
  • the securing means are provided on the opposing side portions.
  • the securing means could be provided on the end portion.
  • a different securing means could be used, for example screws.
  • Figures 5B to 5E show the second end connecting means 106 in a closed or secured state.
  • the securing means 154 are provided on opposing ends of the second end connecting means 106.
  • the snap-fit connection comprises a first projection comprising a first inclined surface 156 on the first member 144, and a second projection comprising a second inclined surface 158 on the second member 146.
  • the first inclined surface 156 is able to slide across the second inclined surface 158 to enable a user to close or secure the second end connecting means 106.
  • the first and second projections interlock to secure the second end connecting means 106.
  • a user can contact both of the second inclined surfaces 158 using their thumbs, for example, to pull the ends of the second end connecting means 106 away from each other using a cantilever action, to allow the first inclined surfaces 156 to release the snap-fit connection.
  • This allows the first member 144 to release and open the second end connecting means 106 via the hinge section 152.
  • the first member 144 may be released and open via energy stored in the hinge section 152 or living hinge.
  • Figure 5D shows the second end connecting means 106 from the side of the first member 144, in which the snap-fit connection at either side is shown in interlocking engagement.
  • Figure 5E shows the second end connecting means 106 from the side of the second member 146, in which the engagement means 148 are shown passing through the receiving elements 150.
  • Figures 6A and 6B show the second end connecting means 106 secured to the housing 102 and the cartridge 104.
  • the second end connecting means 106 is attached to secure the cartridge to the housing at the second end.
  • the engagement means 148 of the second end connecting means are inserted through the apertures of the housing and the cartridge.
  • the first and second members of the second end connecting means are then brought together, to bring the receiving elements 150 into engagement with the engagement means 148. In this position, the securing elements will interact to secure the second end connecting means into its closed or secured state.
  • the flexible material of the housing 102 and cartridge 104 is securely held between the contact surfaces of the first member 144 and the second member 146. In this manner, the second end connecting means 106 closes the opening 116.
  • the flexible material of the housing 102 is manipulated or squeezed by the second end connecting means 106 to bring together the first side 103 and the second side 105 of the housing 102 and close the opening 116.
  • the second end connecting means seals the opening by squeezing opposite sides of the housing together.
  • the shape of the second end connecting means encloses the second end of the housing, thereby preventing any leakage and providing a tidy finish.
  • the second end connecting means 106 may be made from any suitable material, for example plastics or metal or a combination thereof. It may be made by any suitable means, for example by moulding, machining or 3D printing.
  • FIG. 11A-11C An alternative embodiment of the second end connecting means 206 is illustrated in Figs 11A-11C.
  • the second end connecting means 206 may also be referred to as a second end closure device, and reference in the following to the second end connecting means 206 is to be understood as also being reference to the second end closure device.
  • Other alternative dispensing apparatus embodiments incorporating a second end closure device are described below.
  • the second connecting means 206 has the same basic design as the embodiment illustrated in Fig 5A-5E and comprises first and second members 144, 146 joined by a hinge section 152.
  • a sheath 170 is provided on the hinge section 152 and is configured to form an enclosure which receives the second end 110 of the housing 102 and the second end 126 of the cartridge 104.
  • the sheath 170 has a channel 172 which is configured to receive the ends of the housing 102 and cartridge 104.
  • the second end of the cartridge fits into the housing and is level with the second end of the housing.
  • the channel 172 has a tapered profile, tapering from its open end to an apex opposite the open end.
  • the channel 172 has a V-shape. The tapered profile eases the insertion of the housing and cartridge ends into the channel and ensures a strong grip between the channel inner surfaces and the housing outer surface. As the housing end is inserted into the channel, opposite sides of the housing are pushed together, closing and sealing opening 116.
  • the first and second contact surfaces 145,147 of the second connecting means 206 define a passage 174 between them, when in the closed configuration.
  • the first and second contact surfaces 145,147 have contoured complementary surfaces, configured to define a non-linear profile of the passage 174.
  • the non-linear profile has two or more bends and, due to their flexible nature, the housing and cartridge confirm to the profile of the passage.
  • the bends in the passage create a strong grip between the housing and/or cartridge and the second connecting means.
  • the bends provide an effective seal of the opening 116.
  • the passage has a S-shaped profile.
  • the first contact surface and/or the second contact surface may be provided with a textured surface (not shown), to increase the grip between the second connecting means and the housing.
  • a suitable textured surface includes protrusions, ridges and dimples.
  • the non-linear passage and the textured surfaces described with reference to Figs 11A-11C are also suitable for use with a second connecting means without a sheath (such as the embodiment illustrated in Figures 5A-5E ).
  • the second connecting means 206 includes securing means in the form of a snap fit connection as described with reference to Figs 5A-5E.
  • the second connecting means 206 may be provided with engagement means 148 and receiving means 150 as described with reference to Figs 5A-5E.
  • the housing 102, cartridge 104 and optionally the sheath 170 are provided with corresponding apertures for the engagement means 148 to pass through .
  • the sheath 170 may be dimensioned such that the cartridge 104 is held within it by means of a friction fit. In this case, the engagement means 148, receiving means 150 and apertures 138 in the cartridge are not required.
  • the sheath 170 In one embodiment, only the cartridge 102 is inserted into the sheath 170.
  • the sheath 170 fits inside the housing opening 116 with the first and second members 144,146 located on the outside of the housing 102.
  • the connector 206 may be secured onto the housing 102 by virtue of a friction fit.
  • locators in the form of location grooves may be provided on the housing 102 which cooperate with features of the connecting means 206 to hold it in place.
  • Fig 12 shows a different arrangement of the second connecting means 206.
  • Connecting means 206 has the same features as described with reference to Figs 11A to 11C.
  • the second end 126 of the cartridge 104 protrudes from the second end 110 of the housing 102 and is folded over. This folded over end of the housing and cartridge is inserted into sheath 170 and retained by a friction fit. In this embodiment, no corresponding apertures 138 are required in the cartridge 104.
  • Figs 13A and 13B show a further arrangement of the second connecting means 206.
  • This arrangement has the same features as embodiment illustrated in Figs 11A-11C.
  • this arrangement has the addition of a seal 176 in the channel 172 and seal 178 in the passage 174.
  • Seal 176 is located towards the apex of the channel, opposite the open end.
  • the seal 176 is U or V shaped and is rubber, silicone or another suitable material. The seal assists in gripping the housing within the channel and sealing the contents of the housing.
  • Seal 178 is located on one of the first and second members 144,146 and is typically an elongate strip of rubber or silicone, extending the full length of the first or second member.
  • Fig 13B shows the elongate strip located at the "valley" of the S-shaped contoured surface, however the seal may be located at any position.
  • the seals 178 ensures a good grip between the first and second members and the housing.
  • the arrangement of seal 178 is suitable for an embodiment of the second connecting member without a sheath 170.
  • This arrangement enables the apparatus to be used without the cartridge.
  • the product is filled directly into the housing via the opening, before closing and sealing the opening with the second connecting means, and/or with the second end closure device described below.
  • a first connecting means may not be required to secure a cartridge at the first end.
  • Such embodiments will simply require a dispensing means, such as a nozzle, either integral with the housing or attached to it.
  • the dispensing means may have the same features as described with reference to the first connecting means and first end of the housing as described in the previous embodiments.
  • the housing may be refilled by returning the apparatus to the manufacturer or distributer, or refilled by the consumer.
  • FIGS 7A and 7B illustrate an alternative embodiment of the cartridge.
  • the cartridge second end 126 comprises an extended section of flexible material 127.
  • the extended section 127 is provided with additional cartridge engagement members 138', in the form of apertures.
  • the apertures 138' are aligned with apertures 138, such that when the cartridge second end 126 is folded, the cartridge engagement members 138 overlap.
  • the engagement means 148 of the second end connecting means 106 engages with both apertures 138 and apertures 138'. This folded arrangement increases the amount of flexible material held by the second end connecting means 106, thereby providing a more secure dispensing assembly.
  • FIGs 8A and 8B are side views of the second end connecting means 106 secured to the cartridge 204 according to the second embodiment.
  • the cartridge second end 126 is folded, so that each protrusion 148 of the second end connecting member passes through two layers of the cartridge 104.
  • the cartridge second end 126 may be folded over the side of the housing 102 or, alternatively, the cartridge second end 226 may be folded inside the housing second end 110 such that the folded cartridge second end 126 is positioned entirely between the first side 103 and second side 105 of the housing 102.
  • the first end connecting means 108 will now be described with reference to Figs 9A to 9D.
  • Figure 9A shows the first end connecting means 108 in the form of a nozzle.
  • the nozzle is provided with a through hole 165 aligned with the dispensing aperture to allow a product to be dispensed from the cartridge 104 and pass through the nozzle.
  • the nozzle has a first end 160 for connection to the housing 102 and a second end 162 through which the product is dispensed.
  • the first end 160 and second end 162 are connected via a shoulder plate 164.
  • the first end 160 is provided with a first screw thread, which is received by a cooperating screw thread on the receiving means 122 of the housing.
  • the second end 162 is provided with a second screw thread, which is received by a cooperating screw thread on a cap (not shown). The second screw thread opposes the first screw thread.
  • the first end connecting means 108 may be configured to break or rupture the cartridge 104.
  • the nozzle comprises a piercing device 106 in the form of a pin to pierce the cartridge.
  • a pin may be provided on a cap with which the user can pierce the cartridge.
  • first end connecting means 108 Whilst the first end connecting means 108 is described with reference to a nozzle having a screw thread, it will be appreciated that other arrangements may be used, such as snap-fit arrangements for engagement with the housing 102 or cap.
  • the first end connecting means 108 may made from any suitable material, for example plastics, metal or a combination.
  • the first end connecting means 108 may be made by any suitable means, such as moulding, machining or 3D printing.
  • FIGS 10A and 10B illustrate the cartridge 104 secured within the housing 102 at the housing first end 112.
  • the cartridge In use, the cartridge is inserted into the housing, with the fixing portion 140 protruding through the dispensing aperture of the housing.
  • the nozzle 108 is secured to the receiving means 122 of the housing 102 via the first screw thread on first end 160, which engages with the receiving means 122 of the housing 102.
  • the fixing portion 140 of the cartridge is held securely between the first screw thread of the first end 160 of the nozzle and the first screw thread of the receiving means 122.
  • the shoulder plate 164 sits closely against the first end of the housing 102, securely holding the fixing portion of the cartridge between them.
  • a cap may be provided to seal the dispensing aperture 124. The cap fits over the nozzle and is provided with a screw thread to engage with the nozzle screw thread.
  • Figures 14-20 schematically illustrate various related alternative embodiments of a dispensing apparatus 300 according to an aspect of the invention.
  • the dispensing apparatus 300 includes a housing 310 and a second end closure device 320.
  • the alternative dispensing apparatus 300 shares many features with the previously described dispensing apparatus illustrated in Figures 1-13, and the following description will focus on those features which differ, and in particular on the second end closure device 320.
  • the dispensing apparatus 300 does not require a cartridge, but instead the housing 310 can be directly filled with the product to be dispensed.
  • the product may be dispensed from a cartridge into the housing 310.
  • a cartridge as described herein with relation to any other embodiment may be inserted into, and secured within, the housing 310.
  • any features of the cartridge, housing, first end connecting means and/or second end connecting means described herein may be applied to the alternative dispensing apparatus 300.
  • the second end closure device 320 of the dispensing apparatus 300 replaces the second end connecting means of the previously described dispensing apparatus.
  • the second end closure device 320 may incorporate any of the features of the second end connecting means described herein.
  • the housing 310 comprises a tube having a housing first end 312 and a housing second end 314. Housing walls 316 extend from the housing first end 312 to the housing second end 314. The housing walls are made of a flexible material, allowing the sides of the housing to be squeezed.
  • the housing 310 comprises a dispensing aperture (not shown) at the housing first end 312.
  • the dispensing aperture allows for a product to be dispensed from the housing 310, optionally from a cartridge (not shown) held within the housing 310.
  • the housing second end 314 is provided with an opening via which the product to be dispensed is received within the housing 310, optionally via insertion of a cartridge containing the product into the housing 310 or by direct transfer of the product into the housing 310.
  • the housing 310 may have any or all of the features of housing 102 shown in Figure 2A-2D, and described above.
  • the housing is formed from a flexible material, for example a plastics, metal or a composite material.
  • the housing is typically formed from an extrusion process.
  • the first end is thicker (typically 4-5mm) than the walls (typically 2-3mm), to enable it to support the housing receiving means 122.
  • the second end of the housing is left unsealed, to form the opening.
  • the second end closure device 320 has an open configuration and a closed configuration; in the closed configuration the second end closure device 320 seals the opening of the housing 310 to thereby provide a sealed chamber within the housing within which the product is retained.
  • the product can be dispensed from the dispensing aperture by simply squeezing the housing 310 to distort the flexible housing walls 316.
  • the second end closure device 320 thus acts to both create an airtight seal at the housing second end, and also to grip the housing so that the second end closure device is retained in position at the housing second end during use.
  • the second end closure device 320 may take any of a number of different forms, each of which will be described below with reference to Figures 14-20.
  • the second end closure device 320 may be configured as the second end connecting means 206 described above, and particularly as illustrated in Figures 11A-C, 12 and 13A-B.
  • the second end closure device 320 comprises a sheath 322 dimensioned to receive the housing second end 314 and a clamping member 324 configured to removably secure the housing second end within the sheath 322.
  • the sheath 322 comprises a closed cavity or recess having a generally linear, elongate form.
  • the sheath 322 is dimensioned to permit insertion of the housing second end 314 when the flexible walls of the housing 310 have been urged together at the second end thereof to close the opening.
  • the sheath 322 preferably has a tapered shape such that the cavity is wider at the open mouth thereof than at the closed base thereof. In the illustrated embodiments the cavity has a V-shaped cross-section. The tapered shape eases the insertion of the housing second end 314 (and cartridge end, in some embodiments comprising a cartridge) into the cavity, and ensures a strong grip between the cavity inner surfaces and the housing outer surface.
  • the sheath 322 may be substantially wider at its longest dimension than a widest dimension of the housing second end 314, to permit a universal second end closure device 320 to be used for multiple sizes of housing 310.
  • the sheath 322 may have a longest dimension closely approaching that of a widest dimension of the housing second end 314.
  • the sheath 322 is preferably formed from a resilient material, such as a material having elastomeric properties such that it is able to flex.
  • a resilient material such as a material having elastomeric properties such that it is able to flex.
  • appropriate materials include nylon, polypropylene or similar, optionally with an anti-microbial additive.
  • operation of the clamping member 324 serves to grip the housing second end 314 within the sheath 322.
  • operation of the clamping member 324 serves to seal the opening of the housing second end 314, by direct clamping of the housing and/or by indirect clamping of the housing via compression of the sheath 322.
  • Figures 14A-C illustrate a first example of a second end closure device 320 suitable for the alternative dispensing apparatus 300, comprising a sheath 322 dimensioned to receive the housing second end 314, as shown in Figure 14C.
  • the second end closure device 320 further comprises a clamping member 324 comprising first 326 and second 328 portions connected at respective ends thereof by a hinge 330.
  • first 326 and second 328 portions of the clamping member 324 are pivoted about the hinge 330 so that they sandwich the sheath 322 therebetween.
  • a snap-fit fastening 332, 334 secures the first and second portions to one another to thereby maintain a clamping force therebetween.
  • the clamping member 324 has a housing grip portion 336 in which contact surfaces of the first 326 and second 328 portions directly contact opposing outer surface portions of the housing 310 at the housing second end 314 so that the housing 310 is thereby clamped along its full width to seal the opening.
  • the cooperating contact surfaces of the clamping member 324 that form the housing grip portion 336 may have planar surfaces, but more preferably may have cooperating surface profiles to provide a non-planar interface therebetween in the closed configuration.
  • the contact surfaces may be textured.
  • a suitable textured surface may include protrusions, ridges, dimples and/or recesses.
  • the contact surfaces may comprise a series of ridges and grooves that engage with one another in the closed configuration.
  • An appropriate arrangement is that illustrated in Figures 11B and 13A, and described above.
  • the non- planar interface serves to create a strong grip between the housing and the second end closure device 320, and/or to provide an effective seal of the opening.
  • the clamping member 324 also has a sheath grip portion 338 adjacent to the housing grip portion 336 in which contact surfaces of the first 326 and second 328 portions grip the sheath 322 therebetween in the closed configuration to thereby secure the housing second end within the sheath 322.
  • closure of the clamping member 324 results in both sealing of the opening of the housing 310 and retention of the housing second end 314 within the sheath 322.
  • FIGs 15A and 15B illustrate a modified version of the second end closure device 320 which is identical to that of Figures 14A-C, with the exception that the snap-fit fastening 332, 334 is replaced by a screw (not shown), bolt or other fastener.
  • the screw In the closed configuration the screw is passed through a fastener hole 327 in the first portion 326' and a corresponding fastener hole 329 in the second portion 328' to thereby secure the first 326' and second 328' portions together and provide a clamping force therebetween.
  • the screw may comprise a self-tapping screw configured to cut a threaded portion into either or both of the fastener holes 327, 329 to thereby fasten the first 326" and second 328" portions together.
  • one or both of the fastener holes 327, 329 may be provided with a threaded portion prior to assembly.
  • Figure 16 illustrates a modified version of the clamping member 324 of the second end closure device 320, in which the first 326" and second 328" portions are connected by an alternative hinge 330" configured so that the portions progressively overlap in a scissor action as the closure device 320 moves to the closed configuration.
  • first 326" and second 328" portions are secured by interlocking of a male interlocking feature 336 of the first portion 326" and a female interlocking feature 338 of the second portion 328 to thereby maintain the clamping force therebetween.
  • FIGs 17A-17C illustrate another modified version of the second end closure device 320, in which the first 326'" and second 328'" portions are not connected in the open configuration (shown in Figure 17B), but instead are two separate parts connected only in the closed configuration (shown in Figures 17A and 17C).
  • two bolts 340 (omitted from Figures 17A and 17B; head shown in Figure 17C), screws or other fasteners secure the first 326'" and second 328'" portions together.
  • the bolts 340 are passed through fastener holes 327 in the first portion 326'" and corresponding fastener holes 329 in the second portion 328'".
  • the bolts may comprise self-tapping bolts configured to cut a threaded portion into either or both of the fastener holes 327, 329 to thereby fasten the first 326'" and second 328'" portions together.
  • one or both of the fastener holes 327, 329 may be provided with a threaded portion prior to assembly.
  • Figures 11A-11C, 12 and 13A-13B also illustrate alternative versions of a first example of the second end closure device 320, referred to above as the second end connecting means 206.
  • the figures show a cartridge 104 within the housing 102, but in the presently described embodiment the cartridge 104 is omitted.
  • the second end closure device 206 comprises a sheath 170, 176 dimensioned to receive the housing second end of the housing 102, and a clamping member comprising first 144 and second 146 portions connected at respective ends thereof by a hinge portion 152.
  • the sheath 170, 176 is provided on the hinge portion 152 and is configured to form an enclosure which receives the second end 110 of the housing 102.
  • the sheath 170, 176 has a channel 172 which is configured to receive the second end of the housing 102.
  • the channel 172 has a tapered profile, tapering from its open face to an apex, or closed base, opposite the open face.
  • the channel 172 has a V-shape. The tapered profile eases the insertion of the housing second end into the channel and ensures a strong grip between the channel inner surfaces and the housing outer surface. As the housing end is inserted into the channel, opposite sides of the housing are pushed together, closing and sealing the opening 116.
  • the first and second contact surfaces 145, 147 of the second connecting means 206 define a passage 174 between them, when in the closed configuration.
  • the first and second contact surfaces 145, 147 have contoured complementary surfaces, configured to define a non-linear profile of the passage 174.
  • the non-linear profile has one or more bends and, due to their flexible nature, the housing and cartridge confirm to the profile of the passage.
  • the bends in the passage create a strong grip between the housing and/or cartridge and the second connecting means.
  • the bends provide an effective seal of the opening 116.
  • the passage has a S-shaped profile.
  • the first contact surface and/or the second contact surface may be provided with a textured surface (not shown), to increase the grip between the second connecting means and the housing.
  • a suitable textured surface includes protrusions, ridges and dimples.
  • the second end closure device 206 includes securing means in the form of a snap fit connection as described with reference to Figs 5A-5E.
  • FIGs 18A-18D illustrate a second example of a second end closure device 320 suitable for the alternative dispensing apparatus 300, comprising a sheath 322 dimensioned to receive the housing second end 314, as shown in Figure 18D.
  • the second end closure device 320 further comprises a clamping member 324 in the form of an outer sheath 350 (or oversheath) which is configured to fit snuggly over the sheath 322 in the closed configuration to thereby seal the opening of the housing second end 314.
  • the outer sheath 350 comprises a closed cavity or recess having a generally linear, elongate form, the cavity or recess being dimensioned to receive the sheath 322 as shown in Figure 18D.
  • the two parts are preferably dimensioned such that there is a close fit therebetween such that the sheath 322 is retained within the outer sheath 350 by friction alone.
  • the cavity of the outer sheath 350 has a tapered shape such that it is wider at the open mouth than at the closed base. In the illustrated embodiment the cavity has a generally V-shaped cross section.
  • the housing second end 314 is inserted within the sheath 322, and the outer sheath 350 then slid over the sheath 322 as indicated by the arrows in Figure 18C to progressively increase a clamping force provided by the second end closure device 320.
  • the clamping member 324 has a housing grip portion 336 in which contact surfaces of the interior cavity of the outer sheath 350 directly contact opposing outer surface portions of the housing 310 at the housing second end 314 so that the housing 310 is thereby clamped along its full width to seal the opening.
  • the cooperating contact surfaces of the clamping member 324 that form the housing grip portion 336 may have planar surfaces, but more preferably may have cooperating surface profiles to provide a non-planar interface therebetween in the closed configuration.
  • the contact surfaces may be textured.
  • a suitable textured surface may include protrusions, ridges, dimples and/or recesses.
  • the contact surfaces may comprise a series of ridges and grooves that engage with one another in the closed configuration.
  • An appropriate arrangement is that illustrated in Figures 11B and 13A, and described above.
  • the non- planar interface serves to create a strong grip between the housing and the second end closure device 320, and/or to provide an effective seal of the opening.
  • the clamping member 324 also has a sheath grip portion 338 adjacent to the housing grip portion 336 in which contact surfaces of the interior cavity of the outer sheath 350 grip the sheath 322 therebetween in the closed configuration to thereby secure the housing second end 314 within the sheath 322.
  • closure of the clamping member 324 results in both sealing of the opening of the housing 310 and retention of the housing second end 314 within the sheath 322.
  • Figures 19A and 19B illustrate a modified version of the second end closure device 320 which is identical to that of Figures 18A-D, with the exception that a rubber strip seal 360 is provided around an outer periphery of the sheath 322 so that it interfaces with the interior cavity of the outer sheath 350 in the closed configuration.
  • the rubber strip seal 360 provides increased frictional resistance between the sheath 322 and outer sheath 350, to thereby improve the grip therebetween.
  • Figures 20A-D illustrate a third example of a second end closure device 320 suitable for the alternative dispensing apparatus 300, comprising a sheath 322 dimensioned to receive the housing second end 314, as shown in Figure 20D.
  • the second end closure device 320 further comprises a clamping member 324 in the form of a spring clip 370 which is configured to fit snuggly over the outer side faces of the sheath 322 in the closed configuration to thereby compress the sheath 322 so that the sheath 322 clamps the housing second end 314 to seal the opening thereof.
  • the spring clip 370 comprises a generally U-shaped member formed from a resilient material such as spring steel.
  • the sheath 322 is inserted between two elongate arms of the spring clip 370, which are progressively slid across the sheath 322 until the spring clip 370 is fully engaged in the closed configuration, as illustrated in Figures 20A, 20B and 20D.
  • the apparatus may further include an elastomeric cap (not illustrated) configured to encase the housing second end 314 to thereby seal the opening, the elastomeric cap being sandwiched between the housing second end 314 and the sheath 322 in the closed configuration.
  • elastomeric cap include silicone, rubber or other similar material, optionally including an anti-microbial additive.
  • the elastomeric cap has a close fit with the housing second end 314 such that in an unstretched configuration its interior dimensions are smaller than the corresponding outer dimensions of the housing second end. In use, it is stretched to a stretched configuration before it is assembled over the housing second end 314, the elastomeric nature of the cap thereby serving to seal the opening.
  • the elastomeric cap may serve to provide an improved seal of the opening.
  • the elastomeric cap may be particularly advantageous in arrangements in which the sheath 322 is substantially wider at its longest dimension than a widest dimension of the housing second end 314, to permit a universal second end closure device 320 or second end connecting means to be used for multiple sizes of housing 310.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Packages (AREA)

Abstract

L'invention concerne un appareil pour la distribution d'un produit. L'appareil comprend un boîtier (102), présentant une première extrémité de boîtier avec une ouverture de distribution, une seconde extrémité de boîtier, et au moins une paroi de boîtier s'étendant entre la première extrémité de boîtier et la seconde extrémité de boîtier, ladite au moins une paroi de boîtier comprenant un matériau souple, et le boîtier comprenant une ouverture pour recevoir le produit. L'appareil comprend en outre un second dispositif de fermeture d'extrémité ayant une configuration ouverte dans laquelle l'ouverture du boîtier est ouverte et une configuration fermée dans laquelle l'ouverture du boîtier est scellée, le second dispositif de fermeture d'extrémité comprenant une gaine (170) dimensionnée pour recevoir la seconde extrémité de boîtier dans la configuration fermée et un élément de serrage (144, 146) conçu pour fixer de manière amovible la seconde extrémité de boîtier à l'intérieur de la gaine dans la configuration fermée.
PCT/EP2021/074549 2020-09-08 2021-09-07 Appareil de distribution WO2022053450A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2014037.2A GB2598626A (en) 2020-09-08 2020-09-08 Dispensing apparatus
GB2014037.2 2020-09-08

Publications (1)

Publication Number Publication Date
WO2022053450A1 true WO2022053450A1 (fr) 2022-03-17

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ID=72841346

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Application Number Title Priority Date Filing Date
PCT/EP2021/074549 WO2022053450A1 (fr) 2020-09-08 2021-09-07 Appareil de distribution

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GB (1) GB2598626A (fr)
WO (1) WO2022053450A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2516054A1 (fr) * 1981-11-09 1983-05-13 Vachy Robert Emballage double-tube pour produits pateux
US4783042A (en) * 1985-08-12 1988-11-08 Ice-Pack Service Ag Flexible mould for freezing small bodies of ice and an ice-moulding set with such a mould

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1029489A (en) * 1963-12-12 1966-05-11 Marley Concrete Ltd Extrusion sleeve and cartridge
US3262605A (en) * 1964-07-02 1966-07-26 Thomas H Madden Dispensing holder for collapsible tube
US5497913A (en) * 1993-12-15 1996-03-12 Denny D. Baker Mixing bag arrangement and method
CN201095461Y (zh) * 2007-08-21 2008-08-06 陈芳斌 一种卷曲软管容器用外套管

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2516054A1 (fr) * 1981-11-09 1983-05-13 Vachy Robert Emballage double-tube pour produits pateux
US4783042A (en) * 1985-08-12 1988-11-08 Ice-Pack Service Ag Flexible mould for freezing small bodies of ice and an ice-moulding set with such a mould

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GB202014037D0 (en) 2020-10-21
GB2598626A (en) 2022-03-09

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