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WO2011116767A1 - Joint anti-fuite et ensemble de réceptacle à plusieurs compartiments contenant un tel joint - Google Patents

Joint anti-fuite et ensemble de réceptacle à plusieurs compartiments contenant un tel joint Download PDF

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Publication number
WO2011116767A1
WO2011116767A1 PCT/DK2011/000021 DK2011000021W WO2011116767A1 WO 2011116767 A1 WO2011116767 A1 WO 2011116767A1 DK 2011000021 W DK2011000021 W DK 2011000021W WO 2011116767 A1 WO2011116767 A1 WO 2011116767A1
Authority
WO
WIPO (PCT)
Prior art keywords
seal
compartment
assembly
thread
distal part
Prior art date
Application number
PCT/DK2011/000021
Other languages
English (en)
Inventor
Henrik Hess-Petersen
Ebbe Horak
Original Assignee
Bottle Of Life 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 Bottle Of Life Limited filed Critical Bottle Of Life Limited
Publication of WO2011116767A1 publication Critical patent/WO2011116767A1/fr

Links

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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02—Internal fittings
    • B65D25/04—Partitions
    • B65D25/08—Partitions with provisions for removing or destroying, e.g. to facilitate mixing of contents
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3205—Separate rigid or semi-rigid containers joined to each other at their external surfaces
    • B65D81/3211—Separate rigid or semi-rigid containers joined to each other at their external surfaces coaxially and provided with means facilitating admixture

Definitions

  • the present invention relates to a retaining seal to be used for sealing off an opening and a multi-compartment container assembly containing such seal and means for activating the assembly by creating an opening of the seal.
  • seals for temporarily creating a barrier between two compartments are known in the art.
  • a common use of such seals are for containers comprising two or more substances in neighbouring chambers where the container may be activated, which comprises the braking of the seal and admixing of the substances, so as to provide a ready-for-use composition.
  • One particular use is for storage of infant formula powder and water, which may be very useful in e.g. catastrophic events where relief aid is in high demand and pure water etc. is difficult to provide.
  • WO 2008/153965 discloses a bottle for feeding of an infant, where two chambers comprising a first and a second substance are separated by means of a flat sheet that is disposed in the seal between the two chambers. In use, the sheet is pulled to the side and allows the substances to mix into a composition while the seal is formed to prevent a spillage to the side where the sheet was removed.
  • a container is disclosed for separately storing at least two substances for subsequent mixing, such as infant formula powder and water.
  • the two storage chambers are maintained separately by means of an intervening seal comprising a flat seal bottom.
  • Activation occurs, i.e. braking of the seal bottom and admixing of the two substances, when the two chambers are moved towards each other, e.g. by means of engaging threads on the two containers, and a cutting edge on one of the chambers cuts through the seal bottom which is fixed to the other container and break it open.
  • the present invention relates to a retaining seal made from a bendable sheet material being impervious to liquids, the seal having a rim portion and a central protrusion which is equipped with a plurality of weakening lines extending from a distal part of the protrusion and towards the rim portion, so that one or more openings will be formed in the seal along the weakening lines when the distal part of the central protrusion is compressed, i.e. is forced towards the plane in which the rim portion extends.
  • Such seal may be manufactured in a simple process from a sheet material of e.g. a thermoplastics material or by injection moulding, and the seal may be activated by simple means that can provide a force in one point instead of the more complex cutting edge shown in the prior art.
  • the present solution eliminates the risk of debris from the cutting of the seal to end up in the mixed composition. It is particularly advantageous that the wherein the plurality of weakening lines do not extend to the tip of the distal part and meet there but are separate weakening line, whereby the tip of the distal part will remain unbroken when the openings are formed.
  • the retaining seal may be opened by applying a compression force at one point, the distal part.
  • the weakening lines extend substantially linearly from the distal part because it promotes that all or most of the weakening lines will rupture and create openings when the protrusion is compressed.
  • Other types or shapes of weakening line forms, such as helical, are also possible within the present invention.
  • the height of the protrusion is preferably in the range of 1 to 6 centimetres, most preferred in the range of 2 to 4 centimetres.
  • the seal is preferably made from a plastics material, such as a thermoplastic polyester because the forming the retaining seal may be made simple and inexpensive from a sheet material by e.g. deep drawing or die forming. It is preferred that the plastics material is a biodegradable polymer, such as polylactic acid (PLA) or polyhydroxyalkanoate (PHA), so that the seal after use may be reused for e.g. soil improvement.
  • a plastics material such as a thermoplastic polyester because the forming the retaining seal may be made simple and inexpensive from a sheet material by e.g. deep drawing or die forming.
  • the plastics material is a biodegradable polymer, such as polylactic acid (PLA) or polyhydroxyalkanoate (PHA), so that the seal after use may be reused for e.g. soil improvement.
  • PLA polylactic acid
  • PHA polyhydroxyalkanoate
  • the seal may be provided on at least one side with a water-resistant film for improving the sustainability of the seal to contact with water on said at least one side.
  • the weakening lines are preferably formed so that they are slanted in relation to the plane of the rim portion along at least a part of their extent, whereby it is ensured that the strips of the sheet material that are formed between the weakening lines will deflect outwards from a central axis of the seal when the seal is activated.
  • the present invention furthermore relates to a multi-compartment container assembly comprising at least two compartments each holding a substance, and a retaining seal according to the present invention for separating the compartments and means for activating the assembly by compressing the central protrusion and forming one or more openings allowing the substances to be admixed.
  • a first of the two compartments of the assembly is provided with a thread and the second compartments has at least a part made from a plastics material softer than the material from which at least the part of the first compartment provided with the thread is made from, and formed to cooperated with said thread, so that when the two compartment are united the thread will deform the softer material of the second compartment to form between them a fluid tight sealing to the exterior.
  • the second compartment is in a preferred embodiment provided with a thread to cooperate with the thread of the first compartment.
  • Fig. 1 is a side view of a retaining seal according to the invention in a sealing, pre- activated state
  • Fig. 2 is a view from above of the seal of Fig. 1,
  • Fig. 3 is a side view of the retaining seal of Fig. 1 and 2 in the activated state, where openings are formed in the seal,
  • Fig. 4 is a view from above of the seal of Fig. 3
  • Fig. 5 is a longitudinal section of a multi-compartment container assembly having seals according to Fig. 1 and 2 in the pre-activated state
  • Fig. 6 is a longitudinal section of the container of Fig. 5 with the seals in the activated state
  • Fig. 7 is an activation part as seen from above. DETAILED DESCRIPTION OF THE INVENTION
  • the retaining seal 1 is intended to be used for sealing off an opening, where the rim portion 2 of the seal is connected to an edge part of the opening, e.g. by gluing or by being clamped or wedged to the edge part so that a fluid or liquid tight closure is made between the edge part of the opening and the rim portion 2 of the seal 1.
  • the retaining seal 1 has a 3 centimetres high central protrusion 3 i.e.
  • the protrusion 3 is formed as a rotation-symmetric hollow body about an axis that is orthogonal to the plane of the rim portion 2 and ends in a distal part 5.
  • a plurality of weakening lines 4 are formed in the protrusion 3 extending radial from the distal part 5 and towards the rim portion 2 and end where the protrusion 3 joins the rim portion 2, and the distal part 5 is not crossed by weakening lines whereby the tip of the distal part in the activated state remains unbroken when the openings are formed.
  • the weakening lines 4 may extend differently, such as in a helical path on the surface of the protrusion and/or into the rim portion 2 of the seal.
  • the retaining seal 1 may be activated by compressing the distal part 5 of the protrusion 3 towards the plane of the rim portion 2 as shown in Figs. 3 and 4, so that the deformation of the sheet material from which the seal 1 is made will build up stresses that eventually will result in a rupture of the material along the weakening lines and the formation of a plurality of openings 6 in the retaining seal 1, thus allowing fluid material to pass the opening which previously was sealed off by the retaining seal 1 in its pre-activated state.
  • the final level of the compression where the sufficient opening area is formed is about half of the height of the protrusion 3 in the pre-activated state of Figs. 1 and 2. Due to ordinary inaccuracy of the manufacture of the retaining seal 1 , one or more of the weakening lines may be less weakened that the remaining ones and the compression of the protrusion 3 will cause the weakest lines 4 to open before the remaining lines and the result may be that only some of the weakening lines 4 have become openings 6 when the compression has reached its final level. This situation in accounted for and the openings 6 that have been formed will be wider and generally compensate in function for the weakening lines 4 that did not become openings 6.
  • the retaining seal 1 is preferably produced in a thermoplastics material, in particular in a biodegradable plastics, preferably a thermoplastics polyester such as polylactic acid (PLA), which is made from fermentation of starch, a polyhydroxyalkanoate (PHA) produced by means of a microbial process on sugar-based medium or a poly- hydroxybutyrate-co-polyhydroxyhexanoate (PHBH) resin, which is a naturally produced biodegradable polyester derived from carbon sources such as sucrose, fatty acids or molasses via a fermentation process.
  • PVA polylactic acid
  • PHA polyhydroxyalkanoate
  • PHBH poly- hydroxybutyrate-co-polyhydroxyhexanoate
  • the seal 1 may alternatively be produced in other suitable materials with the physical properties that allow the described function of the seal 1, i.e.
  • the manufacture process comprises the step of providing the thermoplastics material in form of a sheet material of a thickness of e.g. 0.2 mm and heating the sheet material to a temperature where it obtains sufficient plastics properties, i.e. above the glass transition temperature (Tg), which for PLA typically is 58 ° C.
  • Tg glass transition temperature
  • the sheet material is then subjected to mechanical deformation, e.g. by vacuum forming or deep drawing but preferably die forming with the use of a punch and a die block is applied as this ensures the best manufacture accuracy of the forming of the weakening lines 4 in the protrusion 3.
  • mechanical deformation e.g. by vacuum forming or deep drawing but preferably die forming with the use of a punch and a die block is applied as this ensures the best manufacture accuracy of the forming of the weakening lines 4 in the protrusion 3.
  • a multi-compartment container assembly 7 is shown were the above- disclosed retainer seal 1 is applied to separate the two compartments 8, 9 of the assembly 7 as well as to separate the upper compartment 9 and the outlet arrangement 10, in this example comprising a bottle feeding nipple 11.
  • the assembly 7 is designed for holding two ingredients separate in the two compartments 8, 9, such as sterile water and infant formula powder until the ingredients are to be admixed immediately prior to use.
  • the assembly comprises a lower compartment 8 having a tubular outlet duct 12 provided with an inner annular ridge 13 for providing support for the first retainer seal la.
  • a first annular locking member 14 is fastened to the annular ridge 13 as well as to the first retainer seal la e.g. by gluing or heat bonding to form a fluid tight closure of the outlet 12 of the lower compartment 8.
  • the first retainer seal la may be heat bonded or alternatively glued directly to the annular ridge 13 and the first annular locking member 14 may then be omitted.
  • the outlet duct 12 is furthermore provided with an external thread 15 formed to cooperate with the internal thread 16 of inlet duct 17 of the upper compartment 9.
  • the inlet duct 17 as well the outlet duct 18 of the upper compartment 9 are equipped with an inner annular ridge 19, 20 to form support for activation parts 21, 22 which are fastened to the respective annular ridges 19, 20 by e.g. gluing or heat bonding.
  • the outlet duct 18 of the upper compartment 9 is likewise provided with an inner thread 23 arranged to cooperate with the external thread 24 of a duct 25 of the upper cap 26 of the assembly 7.
  • the duct 25 is also equipped with an inner annular ridge 27 which forms the seat of the second retainer seal lb as well as the bottle feeding nipple 11 made from a flexible material, such as silicone rubber or natural rubber.
  • the bottle feeding nipple 11 is fastened to the annular ridge 27 as well as to the second retainer seal lb to form a fluid tight closure of the duct 25 of the upper cap 26.
  • an end cap 28 is provided at the top of the upper cap to seal off the bottle feeding nipple 1 1 when the assembly 7 is in its storage state.
  • Two tear-away strips 29, 30 are provided at the gaps formed between the lower compartment 8 and the upper compartment 9, respectively and between the upper compartment 9 and the upper cap 26.
  • the strips 29, 30 are bonded to the outer walls of the compartments 8, 9 and the upper cap 26 by a weak gluing that retains the strips in place during a storage state of the assembly 7 and protects the cooperating parts 12, 15, 16, 17, 18 23, 24, 25 from contamination and which allow for the strips 29, 30 to be removed by hand prior to activation of the assembly 7.
  • the strips 29, 30 have the function of a tamper evident means, i.e. showing the user that the assembly 7 has not yet been activated as the strips 29, 30 cannot remain in place during activation of the assembly 7.
  • the two strips 29, 30 are manufactured as an integral part of the upper compartment 9 and a weakening line is provided between the upper compartment 9 and the strips 29, 30 so that they may be torn away from the upper compartment 9 by application of limited pulling force and without damaging the upper compartment 9.
  • the upper compartment 9 is made from a plastics material softer than the lower compartment 8 and the upper cap 26, and the internal threads 16, 23 of the inlet duct 17 and the outlet duct 18 of the upper compartment 9, respectively, are formed so that the external threads 15, 24 of the outlet duct 12 of the lower compartment 8 and of the duct 25 of the upper cap 26, respectively, will deform the material of the internal threads 16, 23 to form a fluid tight seal between the cooperating ducts 12 and 17, as well as between the ducts 18 and 25.
  • the internal threads 16, 23 are not initially formed in the ducts 17, 18 but are created by the external threads 15, 24 when the assembly 7 is assembled and further when the assembly 7 is activated, see below.
  • the activation parts 21, 22 are shown in Fig. 7 and comprises an annular rim 31 for cooperating with the inner annular ridges 19, 20, and crossing members 32 supporting a centre part 33 that is suited for engagement with the distal part 5 of a retaining seal la, lb and for activating the seal la, lb when a force on the annular rim 31 biases the activation part 21, 22 towards the seal la, lb.
  • the assembly is assembled by placing the lower compartment 8 in an upright position and fill the compartment at least partly with infant formula power through the outlet duct 12.
  • the first retaining seal la is placed on top of the annular ridge 13 in the outlet duct 12 of the lower compartment 8 and the first annular locking member 14 is glued to the first retaining seal la as well as to the annular ridge 13.
  • the diameter of the outlet duct 12 is larger than the outer diameter of the rim portion 2 of the retaining seal la leaving an annular groove between the duct 12 and the rim portion 2 when the seal la is in place.
  • the first annular locking member 14 has an annular projection that fits into the groove and forms together with the seal la and the annular ridge 13 a fluid tight closing of the lower compartment 8.
  • the upper compartment 9 is prior to the assembly process provided with an activation part 21 that is inserted into the inlet duct 17 of the upper compartment 9 and is glued to the annular ridge 19 therein. Then, the upper compartment 9 is situated on top of the lower compartment 8 and is rotated so that the cooperating threads 15, 16 are engaging until the centre part 33 of the activation part 21 is very close to the distal part 5 of the retaining seal la, i.e. about 2 millimetres apart. The threads 15, 16 and the ducts 12, 17 now form a sealing connection that protects the interior of the ducts 12, 17 from contamination from the environment and is fluid tight, which will be of importance once the assembly 7 is activated.
  • Sterile water is now poured into the upper compartment 9 and an activation part 22 is placed onto the inner annular ridge 20 of the outlet duct 18 of the upper compartment 9.
  • the upper cap 26 is screwed onto the upper compartment 9 so that the cooperating threads 23, 24 and the ducts 18, 25 form a sealing connection that is fluid and contamination tight.
  • the second retainer seal lb is placed on the annular ridge 27 with the protrusion 3 pointing downwards.
  • the annular ridge 27 is formed with a step so that the seal lb having an outer diameter of its rim portion 2 smaller than the inner diameter of the duct 25 fits tightly into the annular ridge 27.
  • the bottle feeding nipple 11 is placed on top of the annular ridge 27 and the retainer seal lb and is glued to both to form a fluid tight closure of the duct 25 of the upper cap 26 and to keep the retaining seal lb in place during activation of the assembly 7.
  • the nipple 1 1 is bent down to one side and an end cap 28 is provided at the top of the upper cap to seal off the bottle feeding nipple 11 when the assembly 7 is in its storage state.
  • the final step it to provide the two tear-away strips 29, 30 at the gaps formed between the lower compartment 8 and the upper compartment 9, respectively and between the upper compartment 9 and the upper cap 26 and bond the strips 29, 30 to the outer walls of the compartments 8, 9 and the upper cap 26 by a weak gluing or by heat melting of the material of the two strips 29, 30 and/or the material of the compartments 8, 9 and the upper cap 26 to which the strips 29, 30 bond.
  • the assembly 7 is activated by removing the two strips 29, 30 and turning the lower compartment 8 relatively to the upper compartment 9 so that the threads 15, 16 will force the two compartments 8, 9 closer to each other and bring the centre part 33 of the activation part 21 into engagement with the distal part 5 of the protrusion 3 of the retaining seal 1 a and compress the protrusion 3 so that openings 6 are formed in the protrusion 3 along the weakening lines 4.
  • the two compartments 8, 9 are now in mutual fluid connection and the assembly 7 is shaken to mix the powdered formula with the water until the mixture is ready for being fed to an infant.
  • the upper cap 26 is then rotated relatively to the upper compartment 9 whereby the centre part 33 of the activation part 22 engages the distal part 5 of the protrusion 3 of the retaining seal lb and activates it by creating openings 6.
  • the end cap 28 of the upper cap 26 is then opened which causes the feeding nipple 11 to stand up from the top of the assembly 7, which is now ready for use.
  • the assembly 7 may be used with outer types of powder to prepare a nutritious drink, such as soup for children or adults, in which case the outlet arrangement 10 will be suitable for drinking from instead of the bottle feeding nipple 1 1.
  • the whole assembly 7 is made from biodegradable plastics materials so that the assembly 7 after use may be utilised as a soil improving agent.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

Cette invention concerne un joint anti-fuite (1) fait d'un matériau en feuille flexible imperméable aux liquides. Ledit joint comprend une partie formant bord (2) et une saillie centrale (3) dotée d'une pluralité de lignes d'affaiblissement (4) qui s'étendent d'une partie distale (5) de la saillie vers la partie formant bord. La compression de la partie distale de la saillie centrale, c'est-à-dire sa poussée en force vers le plan sur lequel s'étend la partie formant bord, entraîne la formation d'une ou plusieurs ouvertures (6) dans le joint le long des lignes d'affaiblissement. L'invention concerne en outre un ensemble de réceptacle à plusieurs compartiments (7), comprenant au moins deux compartiments (8, 9) dont chacun contient une substance, ainsi que ledit joint anti-fuite pour séparer les compartiments, et des moyens (15, 16, 21) pour activer l'ensemble par compression de la saillie centrale et formation d'une ou plusieurs ouvertures permettant le mélange des substances.
PCT/DK2011/000021 2010-03-24 2011-03-22 Joint anti-fuite et ensemble de réceptacle à plusieurs compartiments contenant un tel joint WO2011116767A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201000244 2010-03-24
DKPA201000244 2010-03-24

Publications (1)

Publication Number Publication Date
WO2011116767A1 true WO2011116767A1 (fr) 2011-09-29

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ID=43858317

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK2011/000021 WO2011116767A1 (fr) 2010-03-24 2011-03-22 Joint anti-fuite et ensemble de réceptacle à plusieurs compartiments contenant un tel joint

Country Status (1)

Country Link
WO (1) WO2011116767A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2638561A1 (de) * 1976-08-26 1978-03-02 Hago Chemie Gmbh & Co Vorrichtung zur getrennten aufbewahrung und anschliessenden vermischung fliessfaehiger und/oder loeslicher stoffe
WO2001010729A1 (fr) * 1999-08-04 2001-02-15 Nini Policappelli Recipient a reservoirs multiples
AT7100U1 (de) * 2003-09-26 2004-10-25 Holzer Hans Georg Verfahren zur nachträglichen beimengung von lebensmittelzusätzen in verpackte lebensmittel
WO2005112634A2 (fr) * 2004-05-13 2005-12-01 Talamonti Anthony R Kit de traitement médical et méthodes pour utiliser celui-ci
DE102005016682A1 (de) * 2005-04-11 2006-10-12 Sigismund Laskowski Aufbewahrungs- und Mischbehälter, seine Gestaltung, sein Befüllvorgang, sowie die Zusammenführung der Komponente zu einem Produkt
US20060237095A1 (en) * 2005-04-21 2006-10-26 Johns Garry P Packaging system for storing and mixing separate ingredient components
US20080179334A1 (en) * 2007-01-30 2008-07-31 Innovative Design Group Container for holding and mixing a beverage
WO2008153965A1 (fr) 2007-06-08 2008-12-18 Gutierrez Avendano Henry Alfon Contenant à chambres multiples pour stocker et mélanger une première et une deuxième matière afin de former une composition
US20080314775A1 (en) 2007-06-22 2008-12-25 Owoc Greg J Low-Cost, Mass-Producible Container for Separately Storing at Least Two Substances of Any Ratio for Subsequent Mixing, a.k.a., "TIDAL TWIST" and "TIDAL FORCE"

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2638561A1 (de) * 1976-08-26 1978-03-02 Hago Chemie Gmbh & Co Vorrichtung zur getrennten aufbewahrung und anschliessenden vermischung fliessfaehiger und/oder loeslicher stoffe
WO2001010729A1 (fr) * 1999-08-04 2001-02-15 Nini Policappelli Recipient a reservoirs multiples
AT7100U1 (de) * 2003-09-26 2004-10-25 Holzer Hans Georg Verfahren zur nachträglichen beimengung von lebensmittelzusätzen in verpackte lebensmittel
WO2005112634A2 (fr) * 2004-05-13 2005-12-01 Talamonti Anthony R Kit de traitement médical et méthodes pour utiliser celui-ci
DE102005016682A1 (de) * 2005-04-11 2006-10-12 Sigismund Laskowski Aufbewahrungs- und Mischbehälter, seine Gestaltung, sein Befüllvorgang, sowie die Zusammenführung der Komponente zu einem Produkt
US20060237095A1 (en) * 2005-04-21 2006-10-26 Johns Garry P Packaging system for storing and mixing separate ingredient components
US20080179334A1 (en) * 2007-01-30 2008-07-31 Innovative Design Group Container for holding and mixing a beverage
WO2008153965A1 (fr) 2007-06-08 2008-12-18 Gutierrez Avendano Henry Alfon Contenant à chambres multiples pour stocker et mélanger une première et une deuxième matière afin de former une composition
US20080314775A1 (en) 2007-06-22 2008-12-25 Owoc Greg J Low-Cost, Mass-Producible Container for Separately Storing at Least Two Substances of Any Ratio for Subsequent Mixing, a.k.a., "TIDAL TWIST" and "TIDAL FORCE"

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