US3195778A - Storage and mixing cartridge - Google Patents
Storage and mixing cartridge Download PDFInfo
- Publication number
- US3195778A US3195778A US309429A US30942963A US3195778A US 3195778 A US3195778 A US 3195778A US 309429 A US309429 A US 309429A US 30942963 A US30942963 A US 30942963A US 3195778 A US3195778 A US 3195778A
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- United States
- Prior art keywords
- partition
- dasher
- handle
- shell
- ingredients
- Prior art date
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- Expired - Lifetime
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Classifications
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- 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
- B65D81/3255—Containers provided with a piston or a movable bottom, and permitting admixture within the container
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/28—Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle
- A61M5/284—Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle comprising means for injection of two or more media, e.g. by mixing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31596—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms comprising means for injection of two or more media, e.g. by mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/44—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement
- B01F31/441—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement performing a rectilinear reciprocating movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/50—Movable or transportable mixing devices or plants
- B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
- B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/50—Movable or transportable mixing devices or plants
- B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
- B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
- B01F33/50112—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held of the syringe or cartridge type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/713—Feed mechanisms comprising breaking packages or parts thereof, e.g. piercing or opening sealing elements between compartments or cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/713—Feed mechanisms comprising breaking packages or parts thereof, e.g. piercing or opening sealing elements between compartments or cartridges
- B01F35/7137—Piercing, perforating or melting membranes or closures which seal the compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/716—Feed mechanisms characterised by the relative arrangement of the containers for feeding or mixing the components
- B01F35/7161—Feed mechanisms characterised by the relative arrangement of the containers for feeding or mixing the components the containers being connected coaxially before contacting the contents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M2005/3123—Details having air entrapping or venting means, e.g. purging channels in pistons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/28—Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle
- A61M5/285—Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle with sealing means to be broken or opened
- A61M5/288—Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle with sealing means to be broken or opened by piercing without internal pressure increase
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31525—Dosing
- A61M5/31531—Microsyringes, e.g. having piston bore diameter close or equal to needle shaft diameter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/32005—Type of drive
- B01F35/3202—Hand driven
Definitions
- This invention relates to a container for a plurality of ingredients which must be stored separately until shortly prior to the time of use, then adequately intermixed, and linally dispensed for use in filling, potting, sealing, cementing, or other purposes.
- the container of this invention is so constructed that it provides separate compartments for storage of the ingredients and, by adjustment, can then be used as a mixing and a dispensing container.
- sealants, cements and similar materials are of the catalytic setting type; that is, they are composed of a base material, such as a resin, and a catalyst or accelerator which undergo no change during separate storage but which commence a chemical reaction when mixed, which results in setting up in permanent final form in a relatively short period of time, usually from thirty minutes to two hours.
- a base material such as a resin
- a catalyst or accelerator which undergo no change during separate storage but which commence a chemical reaction when mixed, which results in setting up in permanent final form in a relatively short period of time, usually from thirty minutes to two hours.
- One of the highly desirable features of such materials is that they contain no solvent to dry out and consequently they do not shrink or change form while setting.
- the device there disclosed includes a shell having a flasher and a diaphragm therein, the latter dividing the shell into storage compartments for two ingredients, with means to dislodge the diaphragm when desired to allow the ingredients to intermix.
- An end wall or plug closes one end of the shell and an actuating rod for the dasher extends through and closes the dispensing outlet opening.
- the dasher rod is removed and the shell or cartridge is ordinarily placed in a power operated gun of the type disclosed in the Detrie Patent 2,838,210 in order to dispense the contents.
- the present invention further simpliiies the Trautmann construction with a cartridge which is very easy and economical to produce.
- it includes an elongate generally cylindrical shell having a dome-like end with a central elongate integral nozzle having a small dispensing bore or passage. The opposite end of the shell is closed by a generally cylindrical plug to form a container.
- a generally cylindrical or disk-like partition is provided for the purpose of dividing the container into two compartments at opposing ends.
- the partition has sealing contact with the wall of the container and is formed With a central axial passage.
- a dasher is located in the compartment adjacent the dispensing end and extends across a substantial part of the span of the container. It may contact the wall but this is not essential.
- the dasher may take any form suitable for mixing the contents.
- a slender elongate handle extends from the dasher on the longitudinal axis of the container and passes with a slidable and rotatable sealing lit through the passage in the partition and through a bearing hole in the end wall.
- the dasher also bears a severing means, preferably in the form of a sharpened prong, which extends toward the adjacent face of the partition and is adapted to cut through it at the appropriate time.
- the partition When the dasher and partition are assembled as described above at an intermediate point in the length of the container the partition is effectively imperforate and forms a perfect seal to store ingredients separately in opposing ends of the container.
- the handle When it is desired t0 mix the ingredients the handle is actuated to draw the dasher toward the partition until the prong engages the latter. The dasher is then rotated and the prong cuts through the partition to separate it into radially inner and outer portions and establish a liow path therethrough. rThe handle may now be pulled rearwardly to move the partition through one ingredient until it is against the end wall. At this time the two ingredients are in contact with cach other and the dasher may be moved the full length of the single compartment to mix them thoroughly.
- the dasher Normally the small radially inner portion of the partition will move back and r'orth with the dasher because of its snug tit on the handle. After the mixing is completed the dasher is retracted .as far as possible. A spacer or pusher is then attached to the handle and engages the rear face of the end wall. When the handle and pusher are moved forward, the end wall is forced through the length of the container, causing the contents to be extruded through the nozzle.
- the plunger may be pushed to the domed end, the nozzle dipped in the ingredient, and the plunger retracted to the desired extent. If the ingredient is of low enough viscosity it may be forced in through the nozzle in the manner of a lubricating operation pushing the plunger back until the desired amount of ingredient is in the compartment. ln either event, air is excluded.
- the rear compartment may be filled by pouring, after which the end wall plug is inserted. A small passage is provided in the end wall to allow the escape of air and it is later plugged with a pellet. In some cases the end wall is inserted rst and the second ingredient is then introduced through the small passage with a nozzle type instrument.
- a slender, elongate, pin-like element is inserted in and fills the nozzle passage during storage to prevent the access of air and during mixing to keep the nozzle free of the ingredient so that all of the material will be thoroughly mixed.
- the end wall seals olf air from the ,other ingredient and moves axially to a slight extent to f breathe and accommodate the presence of diifering amounts of the handle in the container during mixing.
- FIGURE l is a perspective view, partly in section, illustrating one presently preferred embodiment of the invention.
- FIGURE 2 is a longitudinal sectional view through a part of the apparatus showing the partition in imperforate sealing condition
- FIGURES is a view similar to FIGURE 2 showing the dasher and partition adjacent to the end wall after the partition has been severed;
- FIGURE 4 is a view similar to FIGURE 2 illustrating a modied form of partition and dasher;
- FIGURE 5 is a perspective View of the dasher of FIGURE 4 with its severing means and handle;
- FIGURE 6 is a view similar to FIGURE 3 showing the modified partition and dasher in retracted position
- FIGURE 7 is a view similar to FIGURE 6 showing the pusher in position to force the end wall through the container; and l FIGURE 8 is a perspective View of the pusher.
- the apparatus consists generally of a shell 19 in the form of a cylinder having a domed end 12, which end is cornpleted by a tapered nozzle 14 having a slender elongate passage i6 which is preferably cylindrical or .slightly tapered.
- the opposite end 18 of the shell is closed by a'plug or end wall 29.
- a pair of opposed ears 22 are provided to serve as finger grips, primarily in the dispensing operation.
- Partition 24 is provided to divide the shell or container into two opposed compartments 26 and 2S for storing the ingredients prior to mixing.
- the partition 24 is generally cylindrical or disk-like in form and its outer wall 30 is providedjfwitha plurality of annular'labyrinth type sealing lips 32 which tightly contact the inner wall of the :shell to constitute a seal.
- axially thin relative to wall 30 for a purpose to be described and may be considered as a zone of weakness.
- the central portion 36 is axially relatively thick to form a boss having an axial passage 38 which receives dasher handle 4th in slidable and rotatable sealing engagement. The thickness of boss 36 helps to stabilize the partition and produce maximum sealing engagement with the handle. When the ingredients have low penetrating power the boss may be thinned down considerably.y
- Handle 4i is preferably of wire or rod-like material terminating rearwardly in a recurved grip section 42. Its forward end is bent radially outwardly and somewhat rearwardly at 44 and is then formed into a partial vcircle 46 terminating in a rearwardly extending sharpened prong.
- the prong has a knife-like edge so that it will cut through the partition without removing a separate strip of loose material which might later interfere with mixing or d-ispensing.
- the handle, dasher, and prong are of metal
- the partition and shell are made of a suitable flexible plastic material such as polyethylene. The use of such material makes possible a push-fit or squeeze-
- the intermediate portion 34 is f 4 fit between the partition and the handle and shell Wall to insure perfect sealing.
- compartments 26 and 2S are full of the two ingredients, stored separately and sealed from each other, and severing means 43 is close to but not in contact ywith wall 34.
- grip 42 is pulled rearwardly, bringing member 48 into vcutting contact with wall 34. While the pull is continued, the dasher and cutter are rotated and the cutter in a few turns passes all the way through the wall and severs the partition into radially inner and outer portions, opening a ow path through the partition. The handle is then pulled rearwardly until the parts move into lthe position shown in FIGURE 3.
- prong 48 is formed so that its ⁇ inner wall extends approximately axial while itsk louter wall is at a substantial angle to the axis. This also helps to separate the inner and outer portions in the proper direction.
- the cutting edge of member 48 is radially slightly outward of the wall of boss 36 to provide substantial clearance for the boss in the hole formed in the partition. Since both compartments are full of substantially incompressible material, a pull on the handle builds up hydraulic pressure inV compartment 28 which readily pops the boss 36 to the left to open the ilow path.
- End Wall 2t is a generally cylindrical plug with circumferential labyrinth seal type lips 54 and a cylindrical bore 55 which receives handle 40 in slidable and rotatable sealing engagement.
- the plug includes a forward boss 56 of reduced diameter having a central recess 58.
- - plug is provided with a non-circular passage 60 having a Pellet 64 seals the passage in either case.
- the partition When the partition is moved rearwardly, to the right as seen in FIGURE 3, the outer portion fits around boss 56 as shown and remains there during the mixing and dispensing operation.
- the parts may be slightly tapered as indicated to t them tightly together.
- Recess S8 receives boss 34 with enough clearance to allow the latter to reciprocate freely, which is desirable since the boss fits snugly on handle 40.
- the volume must change slightly. This is taken care of by the fact that end wall 20 moves axially a slight distance.
- FIGURE 4 A modification of the above described apparatus is illustrated in FIGURE 4 in which shell 10V contains a vsimple disk-like end Wall 66 having a bore 68 to receive handle .'70 in slidable and rotatable'sealing engagement and having sealing lips 72. It is also provided with a filling passage and seal similarto those of FIGUREV 2.
- the partition 74 is in t-he form of a disk-like plug having sealing .lips 76 on its periphery for tight' contact with the inner wall of shell 10.
- the plug is divided into radially inner andy outer portions '78 and 80 by a zone of weakness S2 defined by two generally circular or cylindrical recesses 84 and 36. Preferably these recesses areformed as shown with a slight taper converging toward the end wall 66 to facilitateseparation.
- Portion '78 has an axial bore '79 receiving handle 70 in slidable and rotatable sealing engagement.
- the dasher is a generally circular disk-like plate 88, whichmay be flat or dome like, formed with a plurality of passages 9) for flow of the ingredients in mixing. It has a central opening 92 to receive the reduced end 94 of handle 70 which is rivetedY over to secure these parts together. If the plate is rather shape becomes more dome-like the need for the ange is reduced.
- a prong or severing means 9S extends rearwardly from the plate, and may be an integral part bent up or a separate piece attached as indicated by spot welding or any other suitable means. The prong has a sharpened knife-like edge which is arranged -in alignment with recess 86 which guides it toward the zone of weakness 32.
- the latter is shown at about the middle of the plug thickness although it may be anywhere from the front face to the back. Preferably it is at leas-t slightly back of the front face so that recess S6 will be present to serve as a guide.
- partition 74 divides the shell into forward and rear compartments 160 and 102 containing the ingredients to be stored.
- handle 71 When it is desired to mix the ingredients, handle 71) is pulled rearwardly and rotated to bring severing means 98 into recess 86 and into engagement with zone of weakness 82 to sever portion 78 from portion Si).
- the handle When the handle is pulled further rearwardly, the margin of the dasher contacts portion Sti, pushing it rearwardly, and member 78 will be separated from member Sti by hydraulic pressure, and the parts are then moved to the position shown in FIGURE 6 against end wall 66.
- the dasher When mixing is completed, the dasher is retracted to the position of FIGURES 6 and 7, and spacer or pusher 104 is secured to handle 70.
- the pusher As shown in FIGURE 8, the pusher is a channel-shaped elongate clip of resilient material with a narrow throat portion 1&6 which snaps over the handle and holds it in place. A second channel portion '103 engages the grip section 71 and flange 110 contacts the outer face of end wall 66. With the pusher in position, handle 7i) can now be vmoved forward and will force end wall 66 through the length of the shell to extrude the contents. 'Ifhe same pusher is used in the same way with the apparatus of FIGURES 1 to 3.
- the forward compartment, 26 or 19t is normally filled irst and usually contains 4the catalyst or accelerator.
- the partition is moved fully forward and nozzle 14 is dipped into a container of the desired ingredient. 'Ihe partition is now pulled rearwardly by the handle and the ingredient is drawn in by suction. The operation is stopped when a predetermined amount of ingredient has been deposited in the compartment.
- the partition is moved fully forward and the ingredient is forced into the nozzle by a device substantially identical to a lubricating grease gun. Entrance of the ingredient will of course force the partition rearwardly, and again the operation is stopped when the desired amount of ingredient has been inserted.
- a sealing member is provided in the form of a slender elongate rod or pin 112 which is a press or push fit in passage 16 and is just long enough to completely till t-he passage.
- the rod or pin is .united at .its forward end to -a conical cap 114 which tits snugly over nozzle 14.
- the nozzle is provided with a bead 116 and the cap has a cooperating annular groove or recess 1118 to yieldingly retain the cap in place.
- 'Iihe cap and 4sealing element are of course removed for dispensing.
- the proper amount of base material may be poured into compartment 2.8 or 162 and plug 2li or 66 then in- Gbviously either of the se-rted vin lend 13 of the shell to a point eliminating any ⁇ air space above the material. Since the plug or end wall ,20 has sealing contact with the rod and the shell Wall,
- the means are pro-vided to fallow escape of air during insertion.
- the means take the for-m of an axially directed passage 60 through the end wall.
- the passage may be non-circular .as shown for a purpose t-o be described or it may be cylindrical. In either event .a spherical enlargement 62 is formed intermediate the ends and serves as a seat for lthe sealing member A64 which may be a pellet of metal or plastic.
- Another method of filling is to insert the end wall in place and then insert a lling nozzle in passage 60, forcing material in until the compartment is full.
- a cylindrical or conical nozzle is used, providing air spaces between itself Iand ⁇ the corners of the non-circular passage. Filling is continued until all of the air has exited and the material appears at the outlet of the passage. The nozzle is now removed and seal 64 is inserted.
- the present invention provides a novel sel-f contained device which initially stores ingredients co-mpletely separately .as long as desired, and which can then be adjusted to serve as a practical mixing device without opening it or in any way exposing the contents to air which would undesirably mix with the contents. By .another adjustment and still without opening it except for removal of 'the nozzle cap, it becomes a practical dispenser.
- a dual compartment container for separately storing -two ingredients, subsequently intermixing them, and later dispensing the mixture, comprising: an elongate, generally cylindrical shell to contain the two ingredients and having la normally closed dispensing outlet at one of its ends; an end wall closing the other end of the shell and cooperating with the shell to form a container; a partition extending generally diametrically across the entire span of said shell at an intermediate point in the length of the latter to divide it into two compartments at opposing ends of said shell to store said two ingredients separately; said partition having a sealing edge in contact with the inner Wall of said shell around its periphery and having a central axially extending passage therethrough; a dasher extending across a substantial portion of the span of said shell and having an elongate handle extending through said passage in slidable and rotatable sealing engagement therewith; said end wall having a central axi-ally extending passage therethrough, and said handle extending through 4said second passage in slidable and rotatable sealing engagement therewith;
- said partition being in the form of :a disk with an annular sealing ilange to engage the wall of said shell Vand a central boss sur- ⁇ rounding the passage for reception of said handle.
- said recesses being tapered to converge in the direct-ion of said end wall to facilitate axial separation of said radially inner and outer portions of said partition and maintenance of a ow path therethrough.
- a dual compartment container for separately storing two ingredientsand subsequently intermixing them without exposure to air or contaminants comprising: an elongate, generally cylindrical shell to contain the two ingredients .and having normally closed end Walls; a partition extending generally diametrically across the entire span of said shell at an intermediate point in the length of the latter to divide it into two compartments at opposing ends orf said shell sealed from each other to store said two ingredients separately; a dasher extending across a Substantial portion of the span of said shell and having lan elongate handle extending ⁇ through an end wall in slidable and rotatable sealing engagement therewith; severing means extending from said dasher toward lt-he adjacent face of said partition and having a sharp severing edge; said handle being operable to move said severing means int-o engagement with said partition and rotate said severing ⁇ means in pressural contact ytherewith to cut through the thickness of said partition and establish a flow path for passage of either ingredientv from one side of
- sai-d handle being of elongate ⁇ rod-like material; and said dasher'being a continuation of said handle material Iformed to serve as a mixing means.
- said mixing member comprising: a handle adapted to extend movably through anl end wall of a container; a dasher at the inner end of said handle; said dasher having a lateral extent considerably greater than the diameter of said handle and .suiiieient to extend across a major portion of the lateral span of the conta-iner in which it is to be used; and severing means having .asharp edge extending in an axial direction from said dasher and adapted to contact ⁇ said partition in pres'sural relation and sever it to establish a liow path from one side of said partition to the other.
- a mixing member for use with an elongate generally cylindrical container vhaving end Walls and a severable partition extending spanwise across sai-d container alt an intermediate point to divide it int-o two compartments at opposing ends of said container sealed from each other to store two mixable ingredients separately, said mixing member comprising: a handle of elongate Vrod-like material adapted to extend movably through an end wall of a container; and Ia dasher consisting of a each other to store two mixable ingredients separately,
- said mix-ing member compris-ing: ya handle of elongate r-od-like material adapted to extendmovably through an end wall of a container; a dasher in the form of a disklike plate ⁇ attached centrally to the inner end of said handle; and severing means in the form of a sharp prong extending from said plategin a direction parallel to the taxis of the handle.
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- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Package Specialized In Special Use (AREA)
Description
July 20, 1965 .1 E. coATEs 3,195,778
STORAGE AND MIXING CARTRIDGE Filed Sept. 17, 1963 2 Sheelzs-Sheet l July 20, 1965 J E. coATEs 3,195,778
STORAGE AND MIXING CARTRIDGE I Filed Sept. 17, 1963 2 Sheets-Sheet 2 7'0 DE! 5 INVENTOR.
Wzg l United States Patent O 3,195,773 STRAGE AND MIXING CARTREDGE J Edwin Coates, Santa Monica, Calif., assigner to Alta Engineering Company, Santa Monica, Calif., a partnership of California Filed Sept. 17, 1963, Ser. N 309,429 17 Claims. (Cl. 222-80) This invention relates to a container for a plurality of ingredients which must be stored separately until shortly prior to the time of use, then adequately intermixed, and linally dispensed for use in filling, potting, sealing, cementing, or other purposes. The container of this invention is so constructed that it provides separate compartments for storage of the ingredients and, by adjustment, can then be used as a mixing and a dispensing container.
Many of the most desirable and eiective modern day sealants, cements and similar materials are of the catalytic setting type; that is, they are composed of a base material, such as a resin, and a catalyst or accelerator which undergo no change during separate storage but which commence a chemical reaction when mixed, which results in setting up in permanent final form in a relatively short period of time, usually from thirty minutes to two hours. One of the highly desirable features of such materials is that they contain no solvent to dry out and consequently they do not shrink or change form while setting.
In the past, most materials of this type have been stored in separate bags, cans, or other types of containers and poured into some additional larger container, being mixed with a spatula or the like. The mixture must then be poured into a dispenser for use. Such arrangements are clumsy and time consuming and, since the mixing is done in the open air, the operation usually results in the incorporation of many small and large air bubbles in the mixture which is particularly undesirable in the case of a sealant.
There are also, at the present time, many medicaments composed of two ingredients which must be separately stored until just prior to use, mixed, and then dispensed promptly. It is essential that these materials be stored in clean, sterile condition and mixed without exposure to contaminants and preferably without exposure to air. These needs raise the same technical problems mentioned above.
The difficulties mentioned above have been largely overcome in the mixing cartridgeV disclosed in the patent application of Ralph J. Cook, Serial No. 828,118, filed July 20, 1959, now abandoned, The device there disclosed includes a shell having a flasher and a diaphragm therein, the latter dividing the shell into storage compartments for two ingredients, with means to dislodge the diaphragm when desired to allow the ingredients to intermix. An end wall or plug closes one end of the shell and an actuating rod for the dasher extends through and closes the dispensing outlet opening. After the ingredients are mixed, the dasher rod is removed and the shell or cartridge is ordinarily placed in a power operated gun of the type disclosed in the Detrie Patent 2,838,210 in order to dispense the contents.
While the device described is eminently satisfactory for its purpose it is rather expensive to make and its use is generally limited to larger sizes such as used in commercial and industrial work. There is at present a great need and a widespread demand for a very small container which will store the ingredients separately, mix them adequately and be operable manually with self contained means to dispense the contents. Such a device is primarily useful to the home handyman but is also highly desirable in commercial or industrial work where only small amounts of the mixture are needed on a given occasion and the waste of large proportions of the expensive ingredients cannot be tolerated. It is also desirable t0 have such a device for storing, mixing, and dispensing medicaments as mentioned above because it is impractical to return the containers to the suppliers for reuse, which involves transportation without damage, inspection, and re-sterilization. Throwaway containers obviously must be as cheap as possible while being adequate to carry out the intended purpose.
The pending application of Herbert L. Trautmann for patent on Storage and Mixing Cartridge, Serial No. 156,898, filed December 4, 1961, discloses a construction which satisfies the above requirements in a very satisfactory manner. The present invention further simpliiies the Trautmann construction with a cartridge which is very easy and economical to produce. In its presently preferred embodiment it includes an elongate generally cylindrical shell having a dome-like end with a central elongate integral nozzle having a small dispensing bore or passage. The opposite end of the shell is closed by a generally cylindrical plug to form a container. For the purpose of dividing the container into two compartments at opposing ends, a generally cylindrical or disk-like partition is provided. The partition has sealing contact with the wall of the container and is formed With a central axial passage.
A dasher is located in the compartment adjacent the dispensing end and extends across a substantial part of the span of the container. It may contact the wall but this is not essential. The dasher may take any form suitable for mixing the contents. A slender elongate handle extends from the dasher on the longitudinal axis of the container and passes with a slidable and rotatable sealing lit through the passage in the partition and through a bearing hole in the end wall. The dasher also bears a severing means, preferably in the form of a sharpened prong, which extends toward the adjacent face of the partition and is adapted to cut through it at the appropriate time.
When the dasher and partition are assembled as described above at an intermediate point in the length of the container the partition is effectively imperforate and forms a perfect seal to store ingredients separately in opposing ends of the container. When it is desired t0 mix the ingredients the handle is actuated to draw the dasher toward the partition until the prong engages the latter. The dasher is then rotated and the prong cuts through the partition to separate it into radially inner and outer portions and establish a liow path therethrough. rThe handle may now be pulled rearwardly to move the partition through one ingredient until it is against the end wall. At this time the two ingredients are in contact with cach other and the dasher may be moved the full length of the single compartment to mix them thoroughly. Normally the small radially inner portion of the partition will move back and r'orth with the dasher because of its snug tit on the handle. After the mixing is completed the dasher is retracted .as far as possible. A spacer or pusher is then attached to the handle and engages the rear face of the end wall. When the handle and pusher are moved forward, the end wall is forced through the length of the container, causing the contents to be extruded through the nozzle.
Several methods of tilling the compartments are available. The plunger may be pushed to the domed end, the nozzle dipped in the ingredient, and the plunger retracted to the desired extent. If the ingredient is of low enough viscosity it may be forced in through the nozzle in the manner of a lubricating operation pushing the plunger back until the desired amount of ingredient is in the compartment. ln either event, air is excluded. After the forward compartment is filled, the rear compartment may be filled by pouring, after which the end wall plug is inserted. A small passage is provided in the end wall to allow the escape of air and it is later plugged with a pellet. In some cases the end wall is inserted rst and the second ingredient is then introduced through the small passage with a nozzle type instrument.
A slender, elongate, pin-like element is inserted in and fills the nozzle passage during storage to prevent the access of air and during mixing to keep the nozzle free of the ingredient so that all of the material will be thoroughly mixed. The end wall seals olf air from the ,other ingredient and moves axially to a slight extent to f breathe and accommodate the presence of diifering amounts of the handle in the container during mixing. Various other advantages and features of novelty will become apparent as the description proceeds in connection with the accompanying drawings in which:
FIGURE l is a perspective view, partly in section, illustrating one presently preferred embodiment of the invention;
FIGURE 2 is a longitudinal sectional view through a part of the apparatus showing the partition in imperforate sealing condition;
FIGURES is a view similar to FIGURE 2 showing the dasher and partition adjacent to the end wall after the partition has been severed;
FIGURE 4 is a view similar to FIGURE 2 illustrating a modied form of partition and dasher;
FIGURE 5 is a perspective View of the dasher of FIGURE 4 with its severing means and handle;
FIGURE 6 is a view similar to FIGURE 3 showing the modified partition and dasher in retracted position;
FIGURE 7 is a view similar to FIGURE 6 showing the pusher in position to force the end wall through the container; and l FIGURE 8 is a perspective View of the pusher.
Turning now to FIGURE 1, it will be seen that the apparatus consists generally of a shell 19 in the form of a cylinder having a domed end 12, which end is cornpleted by a tapered nozzle 14 having a slender elongate passage i6 which is preferably cylindrical or .slightly tapered. The opposite end 18 of the shell is closed by a'plug or end wall 29. A pair of opposed ears 22 are provided to serve as finger grips, primarily in the dispensing operation.
. Partition 24 is provided to divide the shell or container into two opposed compartments 26 and 2S for storing the ingredients prior to mixing. As can be best seen in FIGURE 2, the partition 24 is generally cylindrical or disk-like in form and its outer wall 30 is providedjfwitha plurality of annular'labyrinth type sealing lips 32 which tightly contact the inner wall of the :shell to constitute a seal. axially thin relative to wall 30 for a purpose to be described and may be considered as a zone of weakness. The central portion 36 is axially relatively thick to form a boss having an axial passage 38 which receives dasher handle 4th in slidable and rotatable sealing engagement. The thickness of boss 36 helps to stabilize the partition and produce maximum sealing engagement with the handle. When the ingredients have low penetrating power the boss may be thinned down considerably.y
Handle 4i) is preferably of wire or rod-like material terminating rearwardly in a recurved grip section 42. Its forward end is bent radially outwardly and somewhat rearwardly at 44 and is then formed into a partial vcircle 46 terminating in a rearwardly extending sharpened prong.
48. The prong has a knife-like edge so that it will cut through the partition without removing a separate strip of loose material which might later interfere with mixing or d-ispensing. While the handle, dasher, and prong are of metal, the partition and shell are made of a suitable flexible plastic material such as polyethylene. The use of such material makes possible a push-fit or squeeze- The intermediate portion 34 is f 4 fit between the partition and the handle and shell Wall to insure perfect sealing.
With the parts in the position shown in FIGURE 2, compartments 26 and 2S are full of the two ingredients, stored separately and sealed from each other, and severing means 43 is close to but not in contact ywith wall 34. To accomplishrmixing, grip 42 is pulled rearwardly, bringing member 48 into vcutting contact with wall 34. While the pull is continued, the dasher and cutter are rotated and the cutter in a few turns passes all the way through the wall and severs the partition into radially inner and outer portions, opening a ow path through the partition. The handle is then pulled rearwardly until the parts move into lthe position shown in FIGURE 3.
It will be noted that because the circular part of the dasher is somewhat rearward of the center part, it pushes the radially outer portion Sti of the partition axially rearward of the radially inner portion 52, thus preserving the ilow path. It will also be noted that prong 48 is formed so that its `inner wall extends approximately axial while itsk louter wall is at a substantial angle to the axis. This also helps to separate the inner and outer portions in the proper direction. The cutting edge of member 48 is radially slightly outward of the wall of boss 36 to provide substantial clearance for the boss in the hole formed in the partition. Since both compartments are full of substantially incompressible material, a pull on the handle builds up hydraulic pressure inV compartment 28 which readily pops the boss 36 to the left to open the ilow path.
End Wall 2t) is a generally cylindrical plug with circumferential labyrinth seal type lips 54 and a cylindrical bore 55 which receives handle 40 in slidable and rotatable sealing engagement. The plug includes a forward boss 56 of reduced diameter having a central recess 58. The
- plug is provided with a non-circular passage 60 having a Pellet 64 seals the passage in either case. When the partition is moved rearwardly, to the right as seen in FIGURE 3, the outer portion fits around boss 56 as shown and remains there during the mixing and dispensing operation. The parts may be slightly tapered as indicated to t them tightly together. Recess S8 receives boss 34 with enough clearance to allow the latter to reciprocate freely, which is desirable since the boss fits snugly on handle 40. As the length of the handle moves into and out of the compartment, the volume must change slightly. This is taken care of by the fact that end wall 20 moves axially a slight distance. When mixing is completed, the contents are extruded by forcing plug 20 through the length of the shell, preferably using the pusher described later.
' A modification of the above described apparatus is illustrated in FIGURE 4 in which shell 10V contains a vsimple disk-like end Wall 66 having a bore 68 to receive handle .'70 in slidable and rotatable'sealing engagement and having sealing lips 72. It is also provided with a filling passage and seal similarto those of FIGUREV 2. In this Case lthe partition 74 is in t-he form of a disk-like plug having sealing .lips 76 on its periphery for tight' contact with the inner wall of shell 10. The plug is divided into radially inner andy outer portions '78 and 80 by a zone of weakness S2 defined by two generally circular or cylindrical recesses 84 and 36. Preferably these recesses areformed as shown with a slight taper converging toward the end wall 66 to facilitateseparation. Portion '78 has an axial bore '79 receiving handle 70 in slidable and rotatable sealing engagement.
The dasher, as shown in FIGURE 5, is a generally circular disk-like plate 88, whichmay be flat or dome like, formed with a plurality of passages 9) for flow of the ingredients in mixing. It has a central opening 92 to receive the reduced end 94 of handle 70 which is rivetedY over to secure these parts together. If the plate is rather shape becomes more dome-like the need for the ange is reduced. A prong or severing means 9S extends rearwardly from the plate, and may be an integral part bent up or a separate piece attached as indicated by spot welding or any other suitable means. The prong has a sharpened knife-like edge which is arranged -in alignment with recess 86 which guides it toward the zone of weakness 32.
The latter is shown at about the middle of the plug thickness although it may be anywhere from the front face to the back. Preferably it is at leas-t slightly back of the front face so that recess S6 will be present to serve as a guide.
With the parts as shown in FGURE 4, partition 74 divides the shell into forward and rear compartments 160 and 102 containing the ingredients to be stored. When it is desired to mix the ingredients, handle 71) is pulled rearwardly and rotated to bring severing means 98 into recess 86 and into engagement with zone of weakness 82 to sever portion 78 from portion Si). When the handle is pulled further rearwardly, the margin of the dasher contacts portion Sti, pushing it rearwardly, and member 78 will be separated from member Sti by hydraulic pressure, and the parts are then moved to the position shown in FIGURE 6 against end wall 66. Member Si) will remain in this posi- Ytion because of its tight t in shell 10, and the dasher, with member 78, can be reciprocated to mix the contents. Two or more prongs 9S can be used with dasher S8 if desired to reduce Athe possibility of cooking the partition during the severing operation. dashers disclosed may be used with either of the partitions, and all of them may be varied to a considerable extent within the scope of the prese-nt teaching.
When mixing is completed, the dasher is retracted to the position of FIGURES 6 and 7, and spacer or pusher 104 is secured to handle 70. As shown in FIGURE 8, the pusher is a channel-shaped elongate clip of resilient material with a narrow throat portion 1&6 which snaps over the handle and holds it in place. A second channel portion '103 engages the grip section 71 and flange 110 contacts the outer face of end wall 66. With the pusher in position, handle 7i) can now be vmoved forward and will force end wall 66 through the length of the shell to extrude the contents. 'Ifhe same pusher is used in the same way with the apparatus of FIGURES 1 to 3.
The forward compartment, 26 or 19t), is normally filled irst and usually contains 4the catalyst or accelerator. In one method of filling, the partition is moved fully forward and nozzle 14 is dipped into a container of the desired ingredient. 'Ihe partition is now pulled rearwardly by the handle and the ingredient is drawn in by suction. The operation is stopped when a predetermined amount of ingredient has been deposited in the compartment. In an alternative method, the partition is moved fully forward and the ingredient is forced into the nozzle by a device substantially identical to a lubricating grease gun. Entrance of the ingredient will of course force the partition rearwardly, and again the operation is stopped when the desired amount of ingredient has been inserted.
-It is desirable to exclude air from the ingredient during storage Iand to exclude 'the ingredient from the nozzle passage 16 during mixing so that there will be no unmixed :ingredient requiring bleeding off before the proper mixture is dispensed. To take care of this problem a sealing member is provided in the form of a slender elongate rod or pin 112 which is a press or push fit in passage 16 and is just long enough to completely till t-he passage. The rod or pin is .united at .its forward end to -a conical cap 114 which tits snugly over nozzle 14. The nozzle is provided with a bead 116 and the cap has a cooperating annular groove or recess 1118 to yieldingly retain the cap in place. 'Iihe cap and 4sealing elementare of course removed for dispensing.
The proper amount of base material may be poured into compartment 2.8 or 162 and plug 2li or 66 then in- Gbviously either of the se-rted vin lend 13 of the shell to a point eliminating any `air space above the material. Since the plug or end wall ,20 has sealing contact with the rod and the shell Wall,
means are pro-vided to fallow escape of air during insertion. The means take the for-m of an axially directed passage 60 through the end wall. The passage may be non-circular .as shown for a purpose t-o be described or it may be cylindrical. In either event .a spherical enlargement 62 is formed intermediate the ends and serves as a seat for lthe sealing member A64 which may be a pellet of metal or plastic.
Another method of filling is to insert the end wall in place and then insert a lling nozzle in passage 60, forcing material in until the compartment is full. A cylindrical or conical nozzle is used, providing air spaces between itself Iand `the corners of the non-circular passage. Filling is continued until all of the air has exited and the material appears at the outlet of the passage. The nozzle is now removed and seal 64 is inserted.
It will be seen that the present invention provides a novel sel-f contained device which initially stores ingredients co-mpletely separately .as long as desired, and which can then be adjusted to serve as a practical mixing device without opening it or in any way exposing the contents to air which would undesirably mix with the contents. By .another adjustment and still without opening it except for removal of 'the nozzle cap, it becomes a practical dispenser. A
Various changes and modications may be made in the speci-fic construction of parts of the invention as disclosed herein without departing from the spirit of the invention rand it is intended that all such changes and modi-cations shall be embraced with the scope of the following claims.
I claim:
1. A dual compartment container for separately storing -two ingredients, subsequently intermixing them, and later dispensing the mixture, comprising: an elongate, generally cylindrical shell to contain the two ingredients and having la normally closed dispensing outlet at one of its ends; an end wall closing the other end of the shell and cooperating with the shell to form a container; a partition extending generally diametrically across the entire span of said shell at an intermediate point in the length of the latter to divide it into two compartments at opposing ends of said shell to store said two ingredients separately; said partition having a sealing edge in contact with the inner Wall of said shell around its periphery and having a central axially extending passage therethrough; a dasher extending across a substantial portion of the span of said shell and having an elongate handle extending through said passage in slidable and rotatable sealing engagement therewith; said end wall having a central axi-ally extending passage therethrough, and said handle extending through 4said second passage in slidable and rotatable sealing engagement therewith; severing means extending from said dasher toward the adjacent face of said partition and having a sharp severing edge;` said handle being operable to m-ove said severing means into engagement with s-aid partition and rotate said severing means in pressural contact with said partition to sever it into radially .inner and outer parts and provide a ilow path for passage of either ingredient from one side of the partition to the other; the dasher being axially movable to transfer the radially outer part of said partition to an inoperative position adjacent said end wall, Wherebyvsubstantially the entire interior of said shell is converted into a single compartment containing both of said ingredients and said dasher may be -reciprocated throughout the length thereof to mix the contents.
2. A construction -as claimed in claim 1; 4and ya pusher engageable with the outer face of said end wall and operable to move said end wall 4through the length of said shell toward sai-d dispensing outlet to extrude the mixture from the container. Y i A3. A construction as claimed in claim l; the portion of said partition engageable by said severing means being liow path through said partition.
axially substantially thinner than the ,sealing edge of said partition.
4. A construction as claimed in claim 1; said dasher having a portion engageable with the radially outer portion of said severed partition to move s-aid radially outer portion toward said end wall relatively ahead of said radially inner portion, thereby assuring maintenance of the S. A construction as claimed in claim 1; said partition being in the form of :a disk with an annular sealing ilange to engage the wall of said shell Vand a central boss sur- `rounding the passage for reception of said handle.
6. A construction yas lclaimed in claim 1; said partition being in the [form of a generally cylindrical plug having generally cylindrical recesses concentric with the passage ythrough said partition and extending inwardly toward each other from opposite faces of said plug to provide a thin, annular severable section; the recess on the side adjacent said dasher serving to guide the lsevering means into engagement with said severable section.
l 7. A construction as claimed in claim 6; said recesses :being tapered to converge in the direct-ion of said end wall to facilitate axial separation of said radially inner and outer portions of said partition and maintenance of a ow path therethrough.
g W8. A construction as claimed in claim 1; said handle being Vof elongate rod-like material; sai-d dasher consisting of a continuation .of said handle material formed to serve as ya dasher; the free end of said continuati-on being directed toward said' partition and sharpened to serve as .the severing edge.
v9. A construction as claimed in claim 1; said handle .being of elongate rod-like material; said dasher being a disk-like plate att-ached centrally to the end of said handle; and `said severing means being a sharp prong extendring from said dasher toward said partition.
. '10. A dual compartment container for separately storing two ingredientsand subsequently intermixing them without exposure to air or contaminants, comprising: an elongate, generally cylindrical shell to contain the two ingredients .and having normally closed end Walls; a partition extending generally diametrically across the entire span of said shell at an intermediate point in the length of the latter to divide it into two compartments at opposing ends orf said shell sealed from each other to store said two ingredients separately; a dasher extending across a Substantial portion of the span of said shell and having lan elongate handle extending `through an end wall in slidable and rotatable sealing engagement therewith; severing means extending from said dasher toward lt-he adjacent face of said partition and having a sharp severing edge; said handle being operable to move said severing means int-o engagement with said partition and rotate said severing` means in pressural contact ytherewith to cut through the thickness of said partition and establish a flow path for passage of either ingredientv from one side of the partition to the other; the handle *being` further operable to reciprocate the dasher throughout the length of the shell to mix the contents.
1=1. A construction as claimed in claim 10; said parttion having a centr-al axial passage therethrough; and said handle extend-ing through said passage in slidable and rotatable sealing engagement therewith; said dasher being at the inner end of said handle.
1-2. A construction as claimed in claim 10; sai-d handle being of elongate `rod-like material; and said dasher'being a continuation of said handle material Iformed to serve as a mixing means. g
1'3. A .construction yas claimed in claim 10; said handle being of elongate rod-like material, and said dasher being a disk-like plate centrally secured to the inner end of said handle. Y
1'4. A mixing member for use With-an elongate genments at opposing endsV of Vsaid container sealed from each other to store tWo mixable ingredients separately,
said mixing member comprising: a handle adapted to extend movably through anl end wall of a container; a dasher at the inner end of said handle; said dasher having a lateral extent considerably greater than the diameter of said handle and .suiiieient to extend across a major portion of the lateral span of the conta-iner in which it is to be used; and severing means having .asharp edge extending in an axial direction from said dasher and adapted to contact `said partition in pres'sural relation and sever it to establish a liow path from one side of said partition to the other.
15. A mixing member for use with an elongate generally cylindrical container vhaving end Walls and a severable partition extending spanwise across sai-d container alt an intermediate point to divide it int-o two compartments at opposing ends of said container sealed from each other to store two mixable ingredients separately, said mixing member comprising: a handle of elongate Vrod-like material adapted to extend movably through an end wall of a container; and Ia dasher consisting of a each other to store two mixable ingredients separately,
said mix-ing member compris-ing: ya handle of elongate r-od-like material adapted to extendmovably through an end wall of a container; a dasher in the form of a disklike plate `attached centrally to the inner end of said handle; and severing means in the form of a sharp prong extending from said plategin a direction parallel to the taxis of the handle. Y
117. A severable port-ion for use in a cylindrical container having Vnormally closed ends to divide it into two compartments at opposing ends of said container sealed trom each other to store two mixable ingredients separately and to subsequently provide a flow path for intermingling of said ingredients, said partition comprising: a generally cylindrical unitary plug which is relatively thick and of substantially uniform thickness across its span; .said .plug having a peripheral seal-ing edge for sealing engagement with the Wall of the container; and at least one coaxial, radially narrow, axially deep, annular recess in. an end Wall of said plug to establish a relatively thin .annular zone of Weaknessadapted to be readily severed by a cutting edge into radially inner and outer portions of substantially the `same axial thickness.
References Cited by the Examiner UNITED STATES PATENTS RAPHAEL M. LUPO, Primary Examiner. LOUIS l. DEMBO, Examiner.
Claims (1)
10. A DUAL COMPARTMENT CONTAINER FOR SEPARATELY STORING TWO INGREDIENTS AND SUBSEQUENTLY INTERMISING THEM WITHOUT EXPOSURE TO AIR OR CONTAMINANTS, COMPRISING: AN ELONGATE, GENERALLY CYLINDRICAL SHELL TO CONTAIN THE TWO INGREDIENTS AND HAVING NORMALLY CLOSED END WALLS; A PARTITION EXTENDING GENERALLY DIAMETRICALLY ACROSS THE ENTIRE SPAN OF SAID SHELL AT AN INTERMEDIATE POINT IN THE LENGTH OF THE LATTER TO DIVIDE IT INTO TWO COMPARTMENTS AT OPPOSING ENDS OF SAID SHELL SEALED FROM EACH OTHER TO STORE SAID TWO INGREDIENTS SEPARATELY; A DASHER EXTENDING ACROSS A SUBSTANTIAL PORTION OF THE SPAN OF SAID SHELL AND HAVING AN ELONGATE HANDLE EXTENDING THROUGH AN END WALL IN SLIDABLE AND ROTATABLE SEALING ENGAGEMENT THEREWITH; SEVERING MEANS EXTENDING FROM SAID DASHER TOWARD THE ADJACNET FACE OF SAID PARTITION AND HAVING A SHARP SEVERING EDGE; SAID HANDLE BEING OPERABLE TO MOVE SAID SEVERING MEANS INTO ENGAGEMENT WITH SAID PARTITION AND ROTATE SAID SERVING MEANS IN PRESSURAL CONTACT THEREWITH TO CUT THROUGH THE THICKNESS OF SAID PARTITION AND ESTABLISH A FLOW PATH FOR PASSAGE OF EITHER INGRDIENT FROM ONE SIDE OF THE PARTITION TO THE OTHER; THE HANDLE BEING FURTHER OPERABLE TO RECIPROCATE THE DASHER THROUGHOUT THE LENGTH OF THE SHELL TO MIX THE CONTENTS.
Priority Applications (1)
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US309429A US3195778A (en) | 1963-09-17 | 1963-09-17 | Storage and mixing cartridge |
Applications Claiming Priority (1)
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US309429A US3195778A (en) | 1963-09-17 | 1963-09-17 | Storage and mixing cartridge |
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US3195778A true US3195778A (en) | 1965-07-20 |
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US309429A Expired - Lifetime US3195778A (en) | 1963-09-17 | 1963-09-17 | Storage and mixing cartridge |
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