US20060076362A1 - Fluid-storing container and fluid discharge device - Google Patents

Fluid-storing container and fluid discharge device Download PDF

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Publication number
US20060076362A1
US20060076362A1 US11/245,817 US24581705A US2006076362A1 US 20060076362 A1 US20060076362 A1 US 20060076362A1 US 24581705 A US24581705 A US 24581705A US 2006076362 A1 US2006076362 A1 US 2006076362A1
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United States
Prior art keywords
fluid
storing container
main body
discharge device
container main
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
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US11/245,817
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English (en)
Inventor
Masatoshi Masuda
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Individual
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Individual
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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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/30—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with plug valves, i.e. valves that open and close a passageway by turning a cylindrical or conical plug without axial passageways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/32—Closures with discharging devices other than pumps with means for venting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • 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
    • B65D2205/00—Venting means

Definitions

  • the present invention generally relates to a fluid discharge device and a fluid container provided therewith for discharging a fluid stored inside the fluid container through the fluid discharge device in a downward direction, for example.
  • a container e.g., Japanese Patent Laid-open No. 1997-124099.
  • Japanese Patent Laid-open No. 1997-124099 discloses a container comprising a container portion for accommodating a fluid (concrete), an outflow opening disposed at the lower portion of the container portion for allowing the fluid to flow out, a closing and opening means for controlling the fluid flow from the outflow opening, and a tubular body having flexibility to guide the fluid flow from the outflow opening through the closing and opening means.
  • An object of the present invention is to provide a fluid container and a fluid discharge device for the fluid container which can prevent a fluid stored inside the fluid container from being exposed to outside air and can be used as a general-purpose container.
  • the present invention provides a fluid discharge device configured to be attached to a container (e.g., 10 , 90 ), comprising: (A) a pouch member (e.g., 20 ) having an opening portion (e.g., 21 ) and being composed of a flexible, collapsible material and configured to be disposed inside the container; and (B) a communication member (e.g., 30 , 30 ′, 80 , 100 ) configured to be attached to a neck portion (e.g., 12 ) of the container when in use, said communication member comprising: (i) a joined portion (e.g., 31 , 81 , 101 ) which is joined with the opening portion of the pouch member, (ii) a fluid outflow passage (e.g., 32 , 32 ′, 82 , 102 ) through which the inside and the outside of the container are communicated when in use, and (iii) a gas inflow passage (e.g., 33 , 83 ,
  • the above aspect further includes, but is not limited to, the following embodiments:
  • the communication member may be an integrally formed single piece.
  • the communication member may have a column shape fitted inside the neck portion.
  • the fluid discharge device may further comprise a coupling member (e.g., 60 , 60 ′, 60 ′′) which encloses the communication member to couple the communication member to the neck portion wherein the neck portion is interposed between the communication member and the coupling member.
  • the fluid discharge device may further comprise a lid member (e.g., 50 ) detachably attached to an end portion of the communication member for closing the fluid outflow passage and the gas inflow passage.
  • the fluid outflow passage and the gas inflow passage may be formed in parallel to each other.
  • the fluid outflow passage and the gas inflow passage may be formed in an axial direction of the communication member.
  • the joined portion of the communication member may have an annular protrusion (e.g., 31 , 81 , 101 ) around which the opening portion of the pouch member is attached.
  • the fluid outflow passage may be provided with an outflow prevention member (e.g., 40 , 110 ) for shutting off fluid flowing between the inside and the outside of the container when in use.
  • an outflow prevention member e.g., 40 , 110
  • the outflow prevention member may be a valve member (e.g., 110 ) provided in the fluid outflow passage.
  • the valve member may comprise a rotatable shaft (e.g., 42 ) crossing the fluid outflow passage in a direction perpendicular to an axis of the fluid outflow passage, said rotatable shaft being provided with a valve portion (e.g., 41 ) disposed in the fluid outflow passage, said valve portion being configured to close and open the fluid outflow passage depending on a rotated angle of the rotatable shaft.
  • the fluid outflow passage may have an inwardly extended portion (e.g., 104 ) having a circular opening (e.g., 106 ) which serves as a valve seat, and the valve member may comprise a valve body (e.g., 112 ) for closing the circular opening of the valve seat, said valve body being urged to close the circular opening and open the circular opening when pressure inside the container increases.
  • the valve member may further comprise an annular support portion (e.g., 111 ) fixed in the fluid outflow passage and plural coupling portions (e.g., 113 ) which couple the support portion and the valve body. Each coupling portion may have at least one flexion (e.g., 114 ) to urge the valve body toward the circular opening of the valve seat.
  • the communication member may have a tubular extension (e.g., 86 ) which extends the fluid outflow passage toward the inside of the container.
  • the tubular extension may have an open end (e.g., 88 ) and at least one hole (e.g., 87 ) on a wall of the tubular extension, through which the fluid flows into the fluid outflow passage.
  • the fluid discharge device may be configured to substantially or nearly balance a volume of the fluid discharged from the fluid outflow passage and a volume of gas coming into the pouch member through the gas inflow passage when in use.
  • the present invention provides a fluid container comprising: (a) a container main body (e.g., 10 , 90 ) for storing a fluid inside, which has a neck portion (e.g., 12 ); and (b) any of the fluid discharge devices described above attached to the neck portion.
  • the above aspect further includes, but is not limited to, the following embodiments:
  • the fluid discharge device may be detachably attached to the neck portion.
  • the container main body e.g., 90
  • the communication member may have a length in an axial direction which is longer than that of the neck portion.
  • the pouch member may have a capacity which is equal to or greater than that of the container main body.
  • any element used in an aspect or embodiment can interchangeably or additionally be used in another embodiment or aspect unless such a replacement or addition is not feasible or causes adverse effect. Further, the present invention can equally be applied to apparatuses and methods.
  • FIG. 1 is a sectional view showing the fluid-storing container according to a first embodiment of the present invention.
  • FIGS. 2 ( a )- 2 ( c ) are explanatory views showing a flow member 30 disclosed in FIG. 1 .
  • FIG. 2 ( a ) is a top view
  • FIG. 2 ( b ) is a cross sectional view
  • FIG. 2 ( c ) is a bottom view.
  • FIGS. 3 ( a )- 3 ( c ) are explanatory views showing a valve member 40 disclosed in FIG. 1 .
  • FIG. 3 ( a ) is a right side view
  • FIG. 3 ( b ) is a top view
  • FIG. 3 ( c ) is a left side view.
  • FIGS. 4 ( a )- 4 ( c ) are explanatory views showing a lid member 50 disclosed in FIG. 1 .
  • FIG. 4 ( a ) is a top view
  • FIG. 4 ( b ) is a cross sectional view
  • FIG. 4 ( c ) is a bottom view.
  • FIG. 5 is an explanatory view showing a state in which a fluid stored inside the fluid-storing container main body 10 is let flow out from the fluid-storing container.
  • FIG. 6 is an explanatory view showing a state in which a fluid is filled up into the fluid-storing container main body 10 using a first method.
  • FIG. 7 is an explanatory view showing a state in which a fluid is filled up into the fluid-storing container main body 10 using another method.
  • FIG. 8 is a sectional view showing a fluid-storing container according to a second embodiment of the present invention.
  • FIGS. 9 ( a )- 9 ( c ) are explanatory views showing a flow member 80 disclosed in FIG. 8 .
  • FIG. 9 ( a ) is a top view
  • FIG. 9 ( b ) is a cross sectional view
  • FIG. 9 ( c ) is a bottom view.
  • FIG. 10 is an explanatory view showing a state in which a fluid stored inside the fluid-storing container main body 10 is let flow out from the fluid-storing container according to the second embodiment.
  • FIG. 11 is a sectional view showing a fluid-storing container according to a third embodiment of the present invention.
  • FIG. 12 an explanatory view showing a state in which a fluid stored inside the fluid-storing container main body 10 is let flow out from the fluid-storing container according to the third embodiment of the present invention.
  • FIG. 13 is a sectional view showing a fluid-storing container according to a fourth embodiment of the present invention.
  • FIG. 14 is an explanatory view showing a state in which a fluid stored inside the fluid-storing container main body 90 is let flow out from the fluid-storing container according to the fourth embodiment of the present invention.
  • FIG. 15 is an explanatory view showing a state in which a fluid stored inside the fluid-storing container main body 90 is let flow out from the fluid-storing container according to the fourth embodiment of the present invention.
  • FIG. 16 is a sectional view showing a fluid-storing container according to a fifth embodiment of the present invention.
  • FIGS. 17 ( a )- 17 ( c ) are explanatory views showing a flow member 100 disclosed in FIG. 16 .
  • FIG. 17 ( a ) is a top view
  • FIG. 17 ( b ) is a cross sectional view
  • FIG. 17 ( c ) is a bottom view.
  • FIGS. 18 ( a )- 18 ( b ) are explanatory views showing a valve member 110 disclosed in FIG. 16 .
  • FIG. 18 ( a ) is a cross sectional view
  • FIG. 18 ( b ) is a bottom view.
  • FIG. 19 is an explanatory view showing a state in which a fluid stored inside the fluid-storing container main body 90 is let flow out from the fluid-storing container according to the fifth embodiment.
  • FIG. 20 is an explanatory view showing a state in which a fluid stored inside the fluid-storing container main body 90 is let flow out from the fluid-storing container according to the fifth embodiment.
  • FIG. 1 is a sectional view showing a fluid-storing container according to the first embodiment of the present invention.
  • the fluid-storing container according to a first embodiment of the present invention is to allow a fluid stored inside the fluid-storing container main body to flow down from an opening portion 11 formed at a lower-end portion of the fluid-storing container main body.
  • This fluid-storing container is used as a container for beauty products for storing gels such as hair gels and cleansing gels, creams such as nourishing creams and cold creams or liquids such as skin lotions used in the cosmetic field. Additionally, this fluid-storing container also can be used as a container for general medicines, solvents or foods, etc.
  • high-viscosity liquids, semifluids, gels that sol solidifies to a jelly, and creams and regular liquids are all referred to as fluids.
  • This fluid-storing container comprises a fluid-storing container main body 10 which stores a fluid inside it, a pouch member 20 composed of a flexible material and disposed inside the fluid-storing container main body 10 , a flow member 30 having a shape easily detachable from an opening portion 11 in the fluid-storing container main body, a valve member 40 and a lid member 50 for shutting off fluid flowing between the inside and the outside of the fluid-storing container main body, and a joined member 60 fixing the fluid-storing container main body 10 and the flow member 30 .
  • the fluid-storing container main body 10 and the flow member 30 are airtightly attached to each other in the opening 11 in the fluid-storing container main body 10 . Additionally, the fluid-storing container main body 10 and a joined member 60 are joined by screwing a male screw portion 12 formed in the periphery of the opening portion 11 of the fluid-storing container main body 10 into a female screw portion 61 formed on an inner side face of the joined member 60 together. Additionally, the flow member 30 and the joined member 60 are joined by engaging an engaging portion 35 formed in the flow member 30 with an engaging portion 62 formed in the joined member 60 .
  • the container main body 10 need not be flexible and can be made of glass, metal, or plastic.
  • FIGS. 2 ( a )- 2 ( c ) are explanatory views showing the flow member 30 .
  • FIGS. 2 ( a )- 2 ( c ) are a top view, a sectional view and a back view, respectively, showing the flow member 30 .
  • the flow member 30 is tubular and can be fitted into an opening portion of a general-purpose bottle, etc.
  • a joined portion 31 to be joined with an opening portion 21 of the pouch member a fluid flow passage 32 formed between the upper base and the lower base and communicatively connecting the inside and the outside of the fluid-storing container main body 10 , and a gas flow passage 33 formed between the upper base and the lower base and communicatively connecting the inside of the pouch member 20 and the outside of the fluid-storing container main body 10 are formed.
  • a bearing portion 34 of a rotating shaft 42 in a valve member 40 described later and the engaging portion 35 to be joined with the joined member 60 are formed.
  • the fluid flow passage 32 may have an inner diameter of about 2 mm to about 20 mm (preferably 5 mm to 10 mm), depending on the consistency and other physical properties of the fluid. If the inner diameter is too great, air tends to enter inside the container through the fluid flow passage 32 while discharging the fluid therethrough.
  • the gas flow passage 33 may have an inner diameter of about 1 mm to about 10 mm (preferably 2 mm to 5 mm). Regardless of the inner diameter of the gas outflow passage, the outer diameter of the joined member 31 can be enlarged so as to allow the pouch member 20 to be fixed thereto easily.
  • the cross section of the fluid flow passage 32 and/or the gas flow passage 33 may be a circle but can be an oval or any other suitable shapes.
  • the gas flow passage 33 can be shaped into a slit.
  • the inner diameter of the fluid flow passage may be greater than that of the gas flow passage 33 , preferably two to six times greater than that of the gas flow passage 33 .
  • the fluid flow passage 32 and the gas flow passage 33 may have a length (in an axial direction) of about 10 mm to about 50 mm (preferably 20 mm to 30 mm), depending on the consistency and other physical properties of the fluid. If the length is too great, air tends to enter inside the container through the fluid flow passage 32 while discharging the fluid therethrough.
  • the flow member 30 may have a diameter of about 8 mm to about 50 mm (preferably 15 mm to 30 mm) or any diameter adaptable to a neck portion of a container.
  • the flow member 30 may have a column shape but can be an oval shape or any other shape adaptable to a neck portion of a container.
  • the flow member 30 can be fitted in the neck portion similarly to a plug, without the joined member 60 .
  • the flow member can be made of ABS, polypropylene, or polyethylene, for example.
  • FIGS. 3 ( a )- 3 ( c ) are explanatory views showing the valve member 40 .
  • FIGS. 3 ( a )- 3 ( c ) are a right side view, a top view and a left side view, respectively, showing the valve member 40 .
  • the valve member 40 has a valve portion 41 , the rotating shaft 42 to be joined with the valve portion, and a control portion 43 to be joined with the rotating shaft 42 .
  • the valve portion 41 has a shape fitting in the fluid flow passage 32 in the flow member 30 .
  • the rotating shaft 42 has a function to rotate/move the valve portion 41 in planar and vertical directions by being inserted/fitted in the bearing portion 34 in the flow member 30 .
  • the valve member 40 rotates and travels between an open position enabling fluid flowing between the inside and the outside of the fluid-storing container main body 10 , and a closed position disabling fluid flowing between the inside and the outside of the fluid-storing container main body 10 .
  • FIGS. 4 ( a )- 4 ( c ) are explanatory views showing the lid member 50 .
  • FIGS. 4 ( a )- 4 ( c ) are a top view, a sectional view and a back view, respectively, showing the lid member 50 .
  • the lid member 50 has a tubular shape with a bottom, and on its inner side face, a female screw portion 51 to be screwed with the joined member 60 is formed. By this, with the lid member being screwed together with the joined member 60 , it becomes possible to shut off the fluid flow passage 32 in the flow member 30 and the gas flow passage 33 in the flow member 30 .
  • the lid member can be press-fitted on the joined member without the threads.
  • the joined member can also be press-fitted at the neck portion of the container without the threads, depending on the shape of the neck portion.
  • FIG. 5 is an explanatory view showing a state in which a fluid stored inside the fluid-storing container main body 10 is let flow out from the fluid-storing container.
  • a fluid stored inside the fluid-storing container main body 10 When a fluid stored inside the fluid-storing container main body 10 is let flow out from this fluid-storing container, by removing the lid member 50 from the joined member 60 , and turning the control portion 43 in the valve member 40 , the valve member 40 is moved to an open position. By this, a fluid is enabled to flow between the inside and the outside of the fluid-storing container main body 10 , and at the same time, a gas is enabled to flow between the inside and the outside of the pouch member 20 . Because of this, a fluid stored inside the fluid-storing container main body 10 passes through the fluid flow passage 32 in the flow member 30 by its empty weight and flows down to the outside of the fluid-storing container.
  • this fluid-storing container it becomes possible to prevent occurrence of a pressure difference between the inside and the outside of the fluid-storing container main body 10 . Additionally, according to this fluid-storing container, it becomes possible to prevent a fluid stored inside the fluid-storing container main body 10 from being exposed to outside air.
  • valve member 40 When an outflow of a fluid stored inside the fluid-storing container main body 10 from the fluid-storing container is stopped, the valve member 40 is made to move to a closed position by turning the control portion 43 in the valve member 40 . Further, the lid member 50 is re-attached to the joined member 60 . By this, the fluid is disabled to flow between the inside and the outside of the fluid-storing container main body 10 , and at the same time, a gas is disabled to flow between the inside and the outside of the pouch member 20 .
  • FIG. 6 is an explanatory view showing a state in which a fluid is filled up into the fluid-storing container main body 10 using a first method.
  • FIG. 7 is an explanatory view showing a state in which a fluid is filled up into the fluid-storing container main body 10 using another method.
  • a fluid container 70 for filling up a fluid in the fluid-storing container has a shape that an outflow opening 71 for the fluid can be inserted into the fluid flow passage 32 in the flow member 30 comprising the fluid-storing container. With the outflow opening 71 in this fluid container 70 being inserted in the fluid flow passage 32 in the flow member 30 , the fluid is filled up into the fluid-storing container main body 10 .
  • the pouch member 20 can be made of polyethylene, for example, and have a thickness of about 10 ⁇ m to about 200 ⁇ m (preferably 20 ⁇ m to 50 ⁇ m) so that the pouch member is flexible and collapsible when the container is filled with the fluid.
  • the pouch member may be shaped corresponding to the inner shape of the container and/or have a capacity larger than that of the container so that when the pouch member is filled with air, the pouch member can expand toward the inner wall of the container without leaving a dead space.
  • the pouch member may also be a conventional rectangular bag.
  • the pouch member can be fixed to the joined portion 31 using adhesive or string or by welding.
  • FIG. 8 is a sectional view showing a fluid-storing container according to a second embodiment of the present invention.
  • the end of the flow member is substantially or nearly leveled with an inner surface of a shoulder portion of the container.
  • a tubular flow portion 86 protrudes toward inside the container.
  • the fluid-storing container according to the second embodiment differs from the fluid-storing container according to the first embodiment in that a flow member 80 is provided in place of the flow member 30 .
  • FIGS. 9 ( a )- 9 ( c ) are explanatory views showing the flow member 80 .
  • the flow member 80 in the fluid-storing container according to the second embodiment is also tubular and can be fitted in an opening portion of a general-purpose bottle, etc.
  • a joined portion 81 to be joined with an opening portion 21 of a pouch member 20 a fluid flow passage 82 formed between the upper base and the lower base and communicatively connecting the inside and the outside of the fluid-storing container main body 10 , a gas flow passage 83 formed between the upper base and the lower base and communicatively connecting the inside of the pouch member 20 and the outside of the fluid-storing container main body 10 , a bearing portion 84 of a rotating shaft 42 in a valve member 40 , and an engaging portion 85 to be engaged with the joined member 60 are formed.
  • a tubular flow portion 86 forming a fluid flow passage going from the fluid flow passage 82 toward the inside of the fluid-storing container main body 10 is further provided.
  • a hole portion 87 which a fluid can pass through is formed in the tubular flow portion 86 .
  • the fluid-storing container according to the second embodiment has the tubular flow portion 86 , it becomes possible to prevent the fluid flow passage from being closed by the pouch member 20 , etc. Additionally, because the hole portion 87 is formed in the tubular flow portion 86 , it becomes possible to allow a fluid to flow out even if an amount of a fluid stored inside the fluid-storing container main body becomes low.
  • FIG. 10 is an explanatory view showing a state in which a fluid stored inside the fluid-storing container main body 10 is let flow out from the fluid-storing container.
  • a fluid stored inside the fluid-storing container main body 10 When a fluid stored inside the fluid-storing container main body 10 is let flow out from this fluid-storing container, by removing a lid member 50 from the joined member 60 , and turning a control portion 43 in the valve member 40 , the valve member 40 is made to move to an open position. By this, a fluid is enabled to flow between the inside and the outside of the fluid-storing container main body 10 , and at the same time, a gas is enabled to flow between the inside and the outside of the pouch member 20 . Because of this, a fluid stored inside the fluid-storing container main body 10 flows out to the fluid flow passage 82 in the flow member 80 by its empty weight via the tubular flow portion 86 ; and then it flows down to the outside of the fluid-storing container after passing through the fluid flow passage 82 .
  • this fluid-storing container it becomes possible to prevent occurrence of a pressure difference between the inside and the outside of the fluid-storing container main body 10 . Additionally, according to this fluid-storing container, it becomes possible to prevent a fluid stored inside the fluid-storing container main body 10 from being exposed to outside air.
  • valve member 40 When an outflow of a fluid stored inside the fluid-storing container main body 10 from the fluid-storing container is stopped, the valve member 40 is moved to a closed position by turning the control portion 43 in the valve member 40 . Further, the lid member 50 is re-attached to the joined member 60 . By this, the fluid is disabled to flow between the inside and the outside of the fluid-storing container main body 10 , and at the same time, a gas is disabled to flow between the inside and the outside of the pouch member 20 .
  • the number of the hole 87 is not limited, but may be two to ten.
  • the end 88 of the fluid flow passage 82 is open, but can be closed as long as there are sufficient holes formed on the side wall.
  • the hole can be shaped into a slit or any other shapes.
  • a simple protrusion such as stick extending toward the inside of the container, can be provided at the end of the flow member so that the protrusion can prevent the pouch member from blocking the fluid flow passage.
  • FIG. 11 is a sectional view showing a fluid-storing container according to a third embodiment of the present invention.
  • the fluid-storing container according to the third embodiment differs from the fluid-storing container according to the first embodiment in that the valve member 40 in the first embodiment is not provided.
  • valve member 40 is not provided in a fluid flow passage 32 ′ of a flow member 30 ′, it becomes possible to prevent occurrence of a pressure difference between the inside and the outside of a fluid-storing container main body 10 and to prevent a fluid stored inside the fluid-storing container from being exposed to outside air while its construction is simple. Accordingly, a joined member 60 ′ is not configured to use the valve member 40 .
  • FIG. 12 an explanatory view showing a state in which the fluid stored inside the fluid-storing container main body 10 is let flow out from the fluid-storing container according to the third embodiment of the present invention.
  • a fluid is enabled to flow between the inside and the outside of the fluid-storing container main body 10 , and at the same time, a gas is enabled to flow between the inside and the outside of the pouch member 20 . Because of this, a fluid stored inside the fluid-storing container main body 10 passes through the fluid flow passage 32 ′ in the flow member 30 by its empty weight and flows down to the outside of the fluid-storing container.
  • this fluid-storing container it becomes possible to prevent occurrence of a pressure difference between the inside and the outside of the fluid-storing container main body 10 . Additionally, according to this fluid-storing container, it becomes possible to prevent a fluid stored inside the fluid-storing container main body 10 from being exposed to outside air.
  • the lid member 50 When an outflow of the fluid stored inside the fluid-storing container main body 10 from the fluid-storing container is stopped, the lid member 50 is re-attached to a joined member 60 . By this, the fluid is disabled to flow between the inside and the outside of the fluid-storing container main body 10 , and at the same time, a gas is disabled to flow between the inside and the outside of the pouch member 20 .
  • FIG. 13 is a sectional view showing a fluid-storing container according to a fourth embodiment of the present invention.
  • the fluid-storing container according to the fourth embodiment differs from the fluid-storing container according to the third embodiment in that a fluid-storing container main body 90 is provided in place of the fluid-storing container main body 10 in the fluid-storing container according to the third embodiment.
  • the fluid-storing container main body 90 in the fluid-storing container according to the fourth embodiment is composed of a material having flexibility.
  • this fluid-storing container main body 90 is composed of a flexible material and has a pouch member 20 disposed inside the fluid-storing container main body 90 , the flow member 30 ′ having a shape easily detachable from an opening portion 91 of the fluid-storing container main body, a valve member 40 and a lid member 50 for shutting off fluid flowing between the inside and the outside of the fluid-storing container main body, and a joined member 60 fixing the fluid-storing container main body 90 and the flow member 30 ′.
  • the fluid-storing container main body 90 and the flow member 30 ′ are airtightly attached to each other in an opening 91 in the fluid-storing container main body 90 .
  • the fluid-storing container main body 90 is composed of a material having flexibility, it becomes possible to let a fluid stored inside the fluid-storing container main body flow out to the outside by pressurizing the fluid by pressing the fluid-storing container main body 90 from the outside even if viscosity of the fluid stored inside the fluid-storing container main body 90 is high.
  • FIG. 14 and FIG. 15 are explanatory views showing a state in which a fluid stored inside the fluid-storing container main body 90 is let flow out from the fluid-storing container according to the fourth embodiment of the present invention.
  • this fluid-storing container it becomes possible to prevent occurrence of a pressure difference between the inside and the outside of the fluid-storing container main body 90 . Additionally, according to this fluid-storing container, it becomes possible to prevent a fluid stored inside the fluid-storing container main body 90 from being exposed to outside air.
  • the container main body 90 may be made by blow molding using a thermoplastic resin such as polyethylene terephthalate and have a thickness of about 0.1 mm to about 1 mm (preferably 0.3 mm to 0.5 mm).
  • FIG. 16 is a sectional view showing a fluid-storing container according to a fifth embodiment of the present invention.
  • the fluid-storing container according to the fifth embodiment differs from the fluid-storing container according to the fourth embodiment in that a flow member 100 and a valve member 110 are provided in place of the flow member 30 in the fluid-storing container according to the fourth embodiment.
  • FIGS. 17 ( a )- 17 ( c ) are explanatory views showing the flow member 100 .
  • FIGS. 17 ( a )- 17 ( c ) are a top view, a sectional view and a back view, respectively, showing the flow member 100 .
  • the valve seat portion 104 has a circular opening portion functioning as a valve seat for the valve member 110 described later inside the fluid flow passage 102 . On a side contacting the valve member 110 in the valve seat portion, a pair of flexions is formed.
  • FIGS. 18 ( a )- 18 ( b ) are explanatory views showing the valve member 110 .
  • FIGS. 18 ( a )- 18 ( b ) are a sectional view and a top view, respectively, showing the valve member 110 .
  • the valve member 110 has an annular support portion 111 fixed inside a fluid flow passage 102 in the flow member 100 , a valve body 112 having a shape corresponding to the circular opening portion in the valve seat portion 104 , and four coupling portions 113 coupling the support portion 111 and the valve body 112 .
  • the respective four coupling portions 113 have a pair of flexions 114 .
  • the valve body 112 is adapted to be movable between a closed portion in which it shuts off the opening in the valve seat portion 104 and an open position in which it opens the opening.
  • the support portion 111 and the valve body 112 are coupled by three or more coupling portions 113 , it becomes possible to prevent occurrence of an inappropriate lean in the valve body 112 .
  • the coupling portion 113 has appropriate elastic retaining force, thereby allowing the valve body 112 to travel more satisfactorily between a closed position and an open position.
  • the fluid-storing container according to the fifth embodiment which uses the valve member 110 and the valve seat portion 104 having the above-mentioned construction as an outflow prevention member, flowing of a fluid is reliably disabled between the inside and the outside of the fluid-storing container main body, and it becomes possible to arbitrarily change a flow rate of the fluid passing through the fluid flow passage according to pressure applied to the valve body 112 while its construction is simple.
  • FIG. 19 and FIG. 20 are explanatory views showing a state in which a fluid stored inside the fluid-storing container main body 90 is let flow out from the fluid-storing container according to the fifth embodiment.
  • the inside of the fluid-storing container main body 90 is pressurized by pressing the fluid-storing container main body 90 from the outside as shown in FIG. 19 .
  • the fluid stored inside the fluid-storing container main body 90 pressurized applies pressure to the valve body 112 inside the fluid flow passage 102 in the flow member 100 .
  • the valve body 112 moves to an open position in which it opens an opening in the valve seat portion 104 from a closed position in which it shuts off the opening, and a fluid flows out to the outside of the fluid-storing container after passing through the opening in the valve seat portion 104 .
  • this fluid-storing container it becomes possible to prevent occurrence of a pressure difference between the inside and the outside of the fluid-storing container main body 90 . Additionally, according to this fluid-storing container, it becomes possible to prevent a fluid stored inside the fluid-storing container main body 90 from being exposed to outside air.
  • all of the elements can be composed of a material using a resin such as polyethylene and polypropylene, synthetic rubber such as silicon rubber, or a mixture of the foregoing unless described otherwise.
  • a fluid-storing container allowing a fluid stored inside the fluid-storing container main body to flow down from an opening portion formed at a lower-end portion of the fluid-storing container main body, which is characterized by possessing a pouch member composed of a flexible material and disposed inside the fluid-storing container main body, and a flow member having a shape easily detachable from the opening portion of the fluid-storing container main body, in which a joined portion to be joined with an opening portion of the pouch member, a fluid flow passage communicatively connecting the inside and the outside of the fluid-storing container main body, and a gas flow passage communicatively connecting the inside of the pouch member and the outside of the fluid-storing container main body are formed.
  • an outflow prevention member for shutting off fluid flowing between the inside and the outside of the fluid-storing container main body is provided.
  • the outflow prevention member is a lid member shutting off the fluid flow passage in the flow member and the gas flow passage in the flow member.
  • the outflow prevention member is a valve member provided in the fluid flow passage in the flow member and traveling between an open position enabling fluid flowing between the inside and the outside of the fluid-storing container main body and a closed position disabling fluid flowing between the inside and the outside of the fluid-storing container main body.
  • the valve member comprises a valve portion fitting in the fluid flow passage in the flow member in a planar direction, and a rotating shaft to be joined with the valve portion and rotating and moving the valve portion in planar and vertical directions. According to the embodiment described in 5), it becomes possible to reliably prevent a fluid stored inside the fluid-storing container main body from being exposed to outside air while its construction is simple.
  • the fluid-storing container main body is composed of a material having flexibility. According to the embodiment described in 6), because the fluid-storing container main body is composed of a material having flexibility, it becomes possible to let a fluid stored inside the fluid-storing container main body flow out to the outside by pressurizing the fluid by pressing the fluid-storing container main body from the outside even if viscosity of the fluid stored inside the fluid-storing container main body is high.
  • a tubular flow portion forming a fluid flow passage going from the fluid flow passage toward the inner side of the fluid-storing container main body is attached to the flow member. According to the embodiment described in 7), it becomes possible to prevent the fluid flow passage from being closed by the pouch member, etc.
  • a fluid discharge device for a fluid-storing container attached to an opening portion of the fluid-storing container allowing a fluid stored inside the fluid-storing container main body to flow down from an opening portion formed at a lower-end portion of the fluid-storing container main body which is characterized by comprising a pouch member composed of a flexible material, and a flow member having a tubular main body, a joined portion to be joined with an opening portion of the pouch member, a fluid flow passage formed between the upper base and the lower base of the main body, and a gas flow passage formed between the upper base and the lower base of the main body and communicatively connecting the inside and the outside of the pouch member via the joined portion.
  • a pouch member composed of a flexible material
  • a flow member having a tubular main body, a joined portion to be joined with an opening portion of the pouch member, a fluid flow passage formed between the upper base and the lower base of the main body, and a gas flow passage formed between the upper base and the lower base of the main body and communicatively connecting the inside and the
  • a valve seat portion having a circular opening functioning as a valve seat is formed inside the fluid flow passage;
  • the valve member has an annular support portion fixed in the fluid flow passage, a valve body having a shape corresponding to the circular opening portion in the valve seat portion, and plural coupling portions coupling the support portion and the valve body; and by the flexibility of the plural coupling portions, the valve body is adapted to be movable between a closed portion in which it shuts off the opening in the valve seat portion and an open position in which it opens the opening.
  • flowing of a fluid can be reliably shut off between the inside and the outside of the fluid-storing container main body while its construction is simple. Additionally, it becomes possible to change a flow rate of a fluid passing through the fluid flow passage arbitrarily in proportion to a pressure applied to the valve body.
  • the support portion and the valve body are coupled by three or more coupling portions. According to the embodiment described in 11), it becomes possible to prevent occurrence of an inappropriate lean in the valve body.
  • the coupling portion has a flexion.
  • the coupling portion has a flexion, it has appropriate elastic retaining force, thereby allowing the valve body to travel more satisfactorily between a closed position and an open position.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
US11/245,817 2004-10-13 2005-10-07 Fluid-storing container and fluid discharge device Abandoned US20060076362A1 (en)

Applications Claiming Priority (4)

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JP2004-298840 2004-10-13
JP2004298840 2004-10-13
JP2005263179A JP2006137491A (ja) 2004-10-13 2005-09-12 流動体貯留容器および流動体流出装置
JP2005-263179 2005-09-12

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US20160039583A1 (en) * 2000-05-08 2016-02-11 Craig E. Brown Continuous, Complete, Automatic, Non-Leaking, Non-Aerating, Positive Pressure One-Piece Vent And Pouring Combination Utilizing One Direct Venting Aperture
US20160046421A1 (en) * 2010-03-25 2016-02-18 Craig E. Brown Sectionalized fluids container
US20160296422A1 (en) * 2008-01-29 2016-10-13 Craig E. Brown Singular cap compound vented nursing and related bottle
US20190210775A1 (en) * 2014-06-24 2019-07-11 Craig E. Brown Universal Single Piece Venting Insert For Container
US11752502B2 (en) * 2016-06-14 2023-09-12 Diatron Mi Zrt. Reagent pack with integrated waste reservoir

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JP2013518779A (ja) 2010-02-02 2013-05-23 ディバーシー・インコーポレーテッド 液体分配容器及び方法
EP2447208A1 (en) 2010-10-29 2012-05-02 AB InBev NV Dispensing appliance provided with a hinged hood
EP2447205A1 (en) 2010-10-29 2012-05-02 AB InBev NV Dispensing appliance provided with a removable dispensing cartridge
EP2447207A1 (en) 2010-10-29 2012-05-02 AB InBev NV Dispensing appliance provided with means for positionning a container
EP2452914A1 (en) 2010-11-10 2012-05-16 AB InBev NV Liquid dispensing appliance provided with an anti-drip valve system
KR200470695Y1 (ko) * 2013-08-14 2014-01-15 박국서 공기 차단형 펌핑 용기
US20190077555A1 (en) * 2017-09-08 2019-03-14 Katherine M. Paisley Fixed volume fluid dispenser
KR101955208B1 (ko) * 2017-12-18 2019-03-07 엘앤피코스메틱 (주) 화장액 보관용 앰플

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US20160296422A1 (en) * 2008-01-29 2016-10-13 Craig E. Brown Singular cap compound vented nursing and related bottle
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US11752502B2 (en) * 2016-06-14 2023-09-12 Diatron Mi Zrt. Reagent pack with integrated waste reservoir

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EP1647499A1 (en) 2006-04-19

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