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US20040112916A1 - Check valve and liquid container with check valve - Google Patents

Check valve and liquid container with check valve Download PDF

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Publication number
US20040112916A1
US20040112916A1 US10/471,697 US47169703A US2004112916A1 US 20040112916 A1 US20040112916 A1 US 20040112916A1 US 47169703 A US47169703 A US 47169703A US 2004112916 A1 US2004112916 A1 US 2004112916A1
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US
United States
Prior art keywords
opening
valve body
container
tubular body
check valve
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
Application number
US10/471,697
Other languages
English (en)
Inventor
Tadashi Hagihara
Naoya Tani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2001074962A external-priority patent/JP2004291968A/ja
Priority claimed from JP2001284366A external-priority patent/JP2004291969A/ja
Application filed by Individual filed Critical Individual
Publication of US20040112916A1 publication Critical patent/US20040112916A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • B65D47/2031—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure the element being formed by a slit, narrow opening or constrictable spout, the size of the outlet passage being able to be varied by increasing or decreasing the pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/44—Closures
    • B65D35/46—Closures with valves

Definitions

  • the present invention is related to a check valve and a liquid holding container equipped with a check valve.
  • Japanese Laid-Open Utility Model Publication Number SHO 60-89143 and Japanese Laid-Open Utility Model Publication Number HEI 2-83257 disclose a check valve structure or plug structure in which a slit is provided in an elastic body provided in the opening of a container, wherein the slit is pushed apart and opened by liquid or the like pushed out by internal pressure created by an outside force applied to the container, and the slit is closed by the self-restoring force of the elastic body when the outside force applied to the container body is released after the liquid or the like is discharged.
  • the former is a plug having a projectile-shaped external appearance and a dome-shaped cavity inside which is formed by an elastic or flexible material, and is provided with at least one slit in the tip thereof.
  • the latter is a thin plate-shaped upper wall plate hollowed in an arc shape which is formed by an elastic material, and is provided with a slit in the center portion thereof.
  • the elastic portion needs to have suitable elasticity to prevent leakage from the slit, but if the elasticity is made higher than such requirement, it becomes difficult to discharge contents, and this lowers the convenience of the container. For this reason, an excessive elastic force is not applied, but because the mechanism uses nothing outside of the elastic force of the elastic body to close the slit, the use of only the elastic force will essentially create an insufficient force for keeping the slit sealed. Accordingly, as shown in FIG. 13, when some outside force acts on the elastic body, the elastic body is easily deformed and the seal of the slit is broken, whereby the liquid inside the container leaks out, and conversely air is sucked inside the container.
  • liquids that need to be measured first include medicines and cosmetics, but also includes various substances such as paints, detergents and the like.
  • the return spring of the pump is made of metal, and even when a structure made of a single material is technically possible, such arrangement is not practical in view of the problem of cost and the like.
  • the present invention solves the problems of the prior art described above, and provides a check valve which functions reliably and a container equipped with such check valve.
  • a container equipped with a liquid measuring function of the present invention solves the problems of the prior art described above, and provides a liquid container which can be constructed by a single material, and regardless of the simple structure, prevents careless discharge by the check valve, and makes it possible to carry out accurate measurements so that the quantity of liquid which flows out of the container body is not greater than the measured liquid.
  • the check valve of the present invention has the characteristics given below.
  • the check valve is provided in a discharge opening of a fluid container, and includes a tubular body having a passage formed therein;
  • valve body formed from an elastic material equipped with an opening near the tip thereof and provided so as to cover the tubular body
  • an outer casing equipped with an opening near the tip thereof and provided so as to cover the valve body;
  • the check valve is provided in a discharge opening of a fluid container, and includes a tubular body having a passage formed therein, a valve body formed from an elastic material equipped with an opening near the tip thereof and provided so as to cover the tubular body, an outer casing equipped with an opening near the tip thereof and provided so as to cover the valve body, and a protection cap which exposes only the opening of the outer casing.
  • a space is provided between the tip of the tubular member and the inside surface of the outer casing in the discharge direction of the fluid, and the valve body is provided so as to isolate the space in the front and back.
  • the valve body is formed from an elastic material, the opening provided near the head portion is a slit which is sealed and closed in the normal state by the elastic force of the valve body itself, and the slit is opened by pressure inside the container which breaks the seal.
  • the slit is formed by combining a plurality of cuts.
  • valve body is open and contents are discharged from the discharge opening when an outside pressure applied to the container is less than or equal to a prescribed level, and the upper surface of the valve body and the inside surface of the outer casing are sealed to cover the opening of the valve body and stop discharge when the prescribed level is exceeded.
  • the liquid container equipped with the check valve of the present invention is equipped with a check valve having the characteristics described above, wherein the tube and container body are formed by a flexible material into a bottle, gusset bag or standing pouch.
  • liquid container of the present invention has the characteristics given below.
  • the liquid container is equipped with a check valve and a discharge opening for discharging contents, and includes a check valve equipped with an opening which is closed in a normal state and opens by a rise in the internal pressure of the liquid container provided in said discharge opening, a measuring container provided in the discharge end, and a cap equipped with an air intake opening which includes the check valve equipped with the opening which is closed in the normal state and opens by a rise in the internal pressure of the liquid container provided in the opening, wherein an amount of contents more than a quantity measured from the inside of the container body is not discharged from the container body when the contents that have been discharged temporarily into the inside of the measuring container are distributed at the time of measurement and distribution.
  • the liquid container is equipped with a check valve and a discharge opening for discharging contents, and includes a check valve provided in said discharge opening, wherein the check valve is equipped with a tubular body which includes a passage formed therein, a valve body which is provided near the tip to cover the tubular body and is formed from an elastic material equipped with an opening which is closed in a normal state and opens by a rise in the internal pressure of the liquid container, and an outer casing which covers the valve body and is equipped with an opening near the tip; a measuring container provided in the discharge end; and a cap equipped with an air intake opening which includes the check valve formed from an elastic material and equipped with the opening which is closed in the normal state and opens by a rise in the internal pressure of the liquid container near the tip provided in the opening; wherein an amount of contents more than a quantity measured from the inside of the container body is not discharged from the container body when the contents that have been discharged temporarily into the inside of the measuring container are distributed at the time of measurement and distribution.
  • the opening of the valve body is a slit.
  • FIG. 1 is an outside perspective view showing a first embodiment of the present invention.
  • a check valve body 2 is a discharge opening and 3 is a container body.
  • FIG. 2 is a vertical cross-sectional view of an essential portion around the check valve body.
  • the check valve 2 is constructed from a tubular body 4 , a valve body 5 and an outer casing 6 respectively shown in FIGS. 3 ( a ), ( b ) and ( c ), and a protection cap 7 shown in FIG. 2.
  • the tubular body 4 has a container body side end portion 8 which is formed in a tapered shape to reduce fluid resistance. Because the tubular body 4 is also equipped with a function of maintaining the shape of the valve body 5 , a material having a hardness at a degree which does not easily deform is preferred.
  • the valve body 5 is formed into a hollow projectile shape, and a slit 9 is provided in the tip thereof.
  • the valve body 5 is formed by an elastic material such as rubber or the like, wherein the slit 9 is normally sealed by the elastic force (restoring force) of the valve body 5 itself, but when the container body 3 is pressed by hand or the like to apply an outside pressure to deform the container, the seal of the slit 9 is easily broken by the inside pressure to form an opening.
  • the outer casing 6 is provided to cover the valve body 5 .
  • the outer casing 6 also has a function of restricting expansion deformation of the valve body 5 .
  • the shape is roughly the same as that of the valve body 5 , and the discharge opening 2 which is normally open is provided in the tip thereof.
  • the material is preferably equipped with some elasticity.
  • the discharge opening 2 is provided so as to match a protrusion 12 provided in a cap 11 shown in FIG. 2, and by sealing both, the contents (a liquid, a semi-fluid or the like) remaining inside a discharge opening passage 20 is prevented from being oxidized by contact with air.
  • a flange portion 13 is provided on the outer surface of the outer casing 6 , and as shown in FIG. 2, the flange portion 13 is fitted into the tip of a tubular portion 14 of the container body 3 .
  • the protection cap 7 is formed so as to screw onto a screw provided on the outside of the tubular portion 14 of the container body 3 .
  • spaces A, B are provided respectively between the tip 15 of the tubular body 4 and an inside surface 16 , and between a valve body tip 17 and an outer casing inner surface 18 .
  • the space A collects contents which have passed through the passage 19 of the tubular body 4 from the inside of the container body, and as the volume thereof becomes large, the inner surface 16 of the valve body 5 is pressed by the dispersed pressure.
  • the space B determines the transfer quantity of the valve body 5 .
  • the depth (the height in the up and down direction in the drawings) C of the space B becomes large, the valve body 5 undergoes a large expansion, and this opens the slit 9 by a large amount, whereby the opening also becomes large.
  • check valve 2 of the invention having the structure described above operates as shown in FIG. 6.
  • FIGS. 8 ( a ) through 8 ( c ) each show the slit 9 provided in the tip of the valve body 5 .
  • FIG. 8( a ) is a front view of the case where one slit 9 is provided
  • FIG. 8( b ) is a plan view thereof
  • FIG. 8( c ) is a vertical cross-sectional view of the state where the slit is open.
  • FIGS. 9 ( a ) through 9 ( e ) are plan views of different embodiments of the slit 9 .
  • the opening provided in the valve 5 is not limited in this way to the slit 9 , and there is no limit on the mechanism as long as such mechanism is opened by a rise in the pressure inside the container and automatically closed when the pressure inside the container is released, and as described later, it is of course possible to use a so-called opening hole.
  • FIG. 10 through FIG. 12 are examples in which the check valve 2 of the present invention is applied to various container bodies 3 .
  • FIG. 10 is an example applied to a plastic bottle having a container body deformable by outside pressure widely used for shampoo and the like
  • FIG. 11 is an example applied to a gusset bag
  • FIG. 12 is an example applied to a standing pouch container. Both FIG. 11 and FIG. 12 are so-called pouch containers.
  • the check valve of the present invention to various types of containers in which the container body 3 is pressed by hand to apply an outside pressure which creates an internal pressure inside the container body to discharge the contents.
  • the present invention can not be applied to containers having container bodies which are not deformed by outside pressure such as glass bottles and the like.
  • FIG. 16 through FIG. 20 show other embodiments of the check valve 2 of the present invention.
  • FIG. 16 shows a check valve equipped with two slits
  • FIG. 17 shows the case where the tubular body 4 and the valve body 5 are formed integrally.
  • the tubular body 4 and the valve body 5 are formed integrally.
  • the tubular body 4 may be formed by a hard material such as plastic or the like which is then covered by an elastic material.
  • the passage 19 of the tubular body 4 extends up to the vicinity of the head portion in contact with the valve body 5 , and diverges into a fork.
  • the head portion 15 of the tubular body 4 and the tip portion inside 16 are sealed and form a shape which covers the opening of the passage 19 .
  • this portion and the slit 9 provided in the valve body 5 form a two-step structure. Namely, as shown by the arrows in FIG.
  • FIG. 19 and FIG. 20 show the case where the check valve is provided with a discharge adjustment mechanism.
  • the discharge adjustment mechanism makes it possible to prevent such problem.
  • FIG. 19( a ) is a vertical cross-sectional view of the normal state
  • FIG. 19( b ) is a plan view of the valve body
  • FIG. 20( a ) is a vertical cross-sectional view of the discharge state
  • FIG. 20( b ) is a vertical cross-sectional view of the closed state.
  • the flow of the contents (a liquid, a semi-fluid or the like) is shown by arrows.
  • a protrusion 23 is provided in the valve body 5 toward the inside to match the opening 22 of the tip of the tubular body 4 , and in the normal state shown in FIG. 19( a ), the tip opening 22 of the tubular body 4 and the protrusion 23 of the valve body 5 are matched and sealed to cover the opening 22 of the passage 19 . Then, the contents that have been pushed out by a rise in the pressure inside the container body 3 and passed through the passage 19 push up the protrusion 23 of the valve body 5 described above, whereby both seals are broken. When this happens, because a gap is opened, the contents flow out through such gap from an opening 24 provided around the protrusion 23 of the valve body 5 and are discharged from the discharge opening 2 of the outer casing 6 .
  • the check valve By constructing the check valve in this way, the contents are discharged only when the pressure inside the container body is constant. Namely, the contents are not discharged for complex outside pressures such as when the container body 3 is pressed carelessly. Accordingly, this structure is preferred very much for the case where the contents need to be dripped, wherein it is possible to prevent a continuous discharge.
  • the setting of the range of outside pressures applied to the container body 3 capable of discharging the contents may be carried out by appropriately adjusting the strength of the elasticity of the valve body 5 and the distance from the tip of the valve body 5 to the discharge opening of the outer casing 6 in addition to the inner diameter D of the passage 19 of the tubular body 4 , the hole diameter of the opening of the valve body 5 and the hole diameter E of the discharge opening 2 of the outer casing 6 shown in FIG. 5 as described above.
  • a protrusion may be provided on the head of the valve body 5 in the case where there is a need to secure the volume of the space B between the valve body 5 and the outer casing 6 .
  • FIG. 21 and FIG. 22 show the structure in which a protrusion 26 provided on the head of the tubular body 4 and a opening hole 27 provided on the valve body 5 are matched to form a valve mechanism.
  • FIG. 21( a ) is a vertical cross-sectional view of the normal state
  • FIG. 21( b ) is a plan view of the tubular body 4
  • FIG. 22 is a vertical cross-sectional view of the discharge state.
  • Opening holes 22 is provided around the protrusion 26 of the tubular body 4 .
  • Opening holes 22 are shown in the drawings, but it is of course possible to provided any number of such opening holes.
  • FIG. 23 through FIG. 25 shown other different embodiments of the present invention.
  • valve body 5 is provided so as to be movable in the space B provided between the tubular body 4 and the outer casing 6 .
  • a spring 28 is provided between the valve body 5 and the outer casing 6 , and the check valve is constructed so that the valve body 5 is sealed against the tubular body 6 in the normal state.
  • FIG. 23 shows the type where the protrusion 23 provided on the valve body 5 forms a contact seal against the tip opening 22 of the tubular body 4
  • FIG. 25 shows the type where the protrusion 26 of the tip of the tubular body 4 and the opening hole 27 of the valve body 5 are sealed.
  • FIG. 23 and FIG. 24 are the same as the example of FIG. 19, and when the pressure inside the container body is above a prescribed level, the valve body 5 covers the discharge opening 2 of the outer casing 6 , and this stops the discharging of contents.
  • FIG. 23 shows the normal state
  • FIG. 24( a ) shows the discharge state
  • FIG. 24( b ) shows the closed state.
  • FIG. 26 shows the case where the upper portion of the protection cap 7 is formed in the shape of a cup to provide a measuring portion 29 .
  • the measuring portion 29 is preferably formed by a transparent material.
  • the measuring portion 29 is directed upward, and then the container body 3 is pressed to measure out a required quantity. This is ideally suited to medicine and detergent containers.
  • FIG. 27 is a perspective view showing a liquid measuring container of the present invention.
  • 30 is a liquid measuring container
  • 3 is a container body
  • 7 is a protection cap
  • 29 is a measuring container (referred to as a cup below)
  • 31 is an air intake opening
  • 32 is a suction tube.
  • FIG. 28 is a vertical cross-sectional view of the vicinity of the protection cap 7 which is an essential portion of the present invention.
  • the check valve 1 is provided in a concave portion in the center portion inside the protection cap 7 , and the discharge opening 2 of the tip thereof is inserted into an opening 32 provided in the center of the protection cap 7 .
  • the check valve 1 is inserted into a tubular member 14 , and the tubular member 14 is fitted into the concave portion inside the protection cap 7 .
  • a screw may be used to engage the protection cap 7 and the tubular member 14 .
  • the suction tube 33 hangs down in the lower portion of the tubular member 14 , and the tip thereof reaches the bottom of the container body 3 . This arrangement makes it possible to suck up liquid from the bottom of the container body 3 .
  • the thickness (inner diameter) of the suction tube 33 can be changed in accordance with the viscosity of the liquid being used.
  • the inner diameter is made thick in the case of a high viscosity liquid, and made thin in the reverse case of a low viscosity liquid.
  • 11 is a cover of the cup 29 .
  • the cover 11 has a T-shaped vertical cross section, namely, a shape in which a rod-shaped member 35 protrudes from the center of a disc-shaped member 34 , wherein a step 36 is provided on the periphery of the disc-shaped member 34 , and as shown in FIG. 29, the step 36 fits into an upper end 37 of the cup 29 , and the tip of the rod-shaped member 35 is tapered and protrudes against the tip portion opening 2 of the check valve 1 to cover the opening.
  • the cup 29 is fixed by a screw to the upper end of the protection cap 7 .
  • fitting may be carried out in place of a screw, but the liquid collected in the cup 29 must be prevented from leaking. For this reason, the use of an O-ring is also effective.
  • the cup 29 is not fixed and is capable of being removed. In this way, the cup 29 can be easily removed and washed, and as shown in FIG. 30, the cup 29 is preferably replaced by different capacity cups to match the measured quantity.
  • the cup 29 is preferably a transparent material, and graduations are preferably provided to make it possible to easily measure quantities from the side.
  • an air intake opening 38 is provided in the side of the protection cap 7 .
  • a through hole 39 is provided toward the center from the side of the protection cap 7 .
  • the through hole 39 opens into the gap 41 .
  • a side surface side opening of the through hole 39 has a wide inner diameter at a prescribed depth, a tubular member 42 is fitted into such portion, a check valve 43 is inserted into the inside thereof, and a cap 44 prevents removal of the check valve 43 .
  • an air intake hole 45 is open in the center thereof.
  • the check valve 43 has a simpler structure than the check valve 1 of the discharge path described above. Of course, this does not deny the use of the same structure as the check valve 1 described above.
  • such air intake opening is closed when the pressure inside the container body is a positive pressure, and opened when there is a negative pressure.
  • the air intake opening 38 is provided in the cap 7 , but it is of course possible to provide such opening in the container body.
  • liquid measuring container of the present invention having the structure described above is used as follows below.
  • the container body 3 is pressed by fingers or the like to raise the pressure inside.
  • the rise in internal pressure causes the contents (liquid) to enter into the suction tube 32 and move toward the discharge opening.
  • the check valve 1 is opened and the contents flow out into the inside of the cup 29 .
  • only the check valve 1 of the discharge side is opened, and the check valve 43 of the air intake side is closed. Pressure is continuously applied to the container body 3 until the surface of the liquid reaches a graduation of the cup.
  • FIG. 33 shows the state where a prescribed quantity is measured into the inside of the cup.
  • the present invention has the structures described above, it is possible to provide a check valve ideally suited to drip discharge of contents (a liquid, a semi-fluid or the like) and a container having a high preservability equipped with such check valve.
  • the pressure applied to the container can be very easily controlled to carry out a drip discharge of the contents, and because the valve mechanism portion is not exposed, the check valve can be operated reliably without the valve mechanism receiving outside pressure or the like, and it is possible to reliably prevent the reverse flow of air to the inside of the container body.
  • the present invention is ideally suited for use with anaerobic contents (food, cosmetics, pharmaceuticals and the like) that hate contact with air.
  • the adjustment of the discharge quantity of the contents can be freely adjusted in accordance with the viscosity.
  • liquid container equipped with the measuring function of the present invention can be applied to various containers as long as such containers are flexible liquid containers, and it is possible to carry out measurements without difficulty while easily carrying out adjustment of the discharge quantity of the contents.
  • the measuring cup can be removed and washed, such structure is hygienic.
  • FIG. 1 is a perspective view showing the first embodiment of a check valve of the present invention.
  • FIG. 2 is a vertical cross-sectional view of an essential portion thereof.
  • FIG. 3( a ) is a vertical cross-sectional view of a tubular body
  • FIG. 3( b ) is a vertical cross-sectional view of a valve body
  • FIG. 3( c ) is a vertical cross-sectional view of an outer casing.
  • FIG. 4 is an explanatory view of the space partitioned by the valve body.
  • FIG. 5 is an explanatory view showing the adjustment dimensions.
  • FIG. 6 is an explanatory view showing the operation.
  • FIG. 7 is an explanatory view showing the state where the cap is closed.
  • FIGS. 9 ( a ) ⁇ 9 ( e ) are explanatory views showing applied examples of the slit.
  • FIG. 10 is an explanatory view showing an example applied to a bottle.
  • FIG. 11 is an explanatory view showing an example applied to gusset bag.
  • FIG. 12 is an explanatory view showing an example applied to standing pouch.
  • FIG. 13 is an explanatory view showing prior art.
  • FIG. 14 and FIG. 15 are explanatory views showing the case where part of a function is omitted.
  • FIG. 16 and FIG. 17 are vertical cross-sectional views of an essential portion showing one example of a variation of the tubular body and the valve body.
  • FIG. 18( a ) and FIG. 18( b ) are vertical cross-sectional views of an essential portion respectively showing the normal state and the discharge state for one example of a variation of the tubular body and the valve body.
  • FIG. 19( a ) is a vertical cross-sectional view of an essential portion showing the normal state for one example of a variation of the tubular body and the valve body
  • FIG. 19( b ) is a plan view of the valve body.
  • FIG. 20( b ) are vertical cross-sectional views of an essential portion respectively showing the normal state and the discharge state for one example of a variation of the tubular body and the valve body.
  • FIG. 21( a ) is a vertical cross-sectional view of an essential portion showing one example of a variation of the tubular body and the valve body
  • FIG. 21( b ) is a plan view of the tubular body.
  • FIG. 22 is a vertical cross-sectional view of an essential portion showing the discharge state for one example of a variation of the tubular body and the valve body.
  • FIG. 23 is a vertical cross-sectional view of an essential portion showing the normal state for one example of a variation of the tubular body and the valve body in a second embodiment.
  • FIG. 24( b ) are vertical cross-sectional views of an essential portion respectively showing the discharge state and the closed state for one example of a variation of the tubular body and the valve body in the second embodiment.
  • FIG. 25( a ) and FIG. 25( b ) are vertical cross-sectional views of an essential portion respectively showing the normal state and the discharge state for one example of a variation of the tubular body and the valve body in the second embodiment.
  • FIG. 26 is a conceptual view of the case where the check valve of the present invention is applied to a container equipped with a liquid measuring function.
  • FIG. 27 is a perspective view showing the first embodiment of a container equipped with a liquid measuring function of the present invention.
  • FIG. 28 is a vertical cross-sectional view of an essential portion showing the state where the cover is removed.
  • FIG. 29 is vertical cross-sectional view of an essential portion showing the state where the cover is attached.
  • FIG. 30 is a perspective view of an essential portion showing the state where the measuring container is replaced.
  • FIG. 31 is a perspective view showing the state of use.
  • FIG. 32 is a vertical cross-sectional view of an essential portion showing the discharge state.
  • FIG. 33 is a vertical cross-sectional view of an essential portion showing the state where measuring is complete.
  • FIG. 34 is a vertical cross-sectional view of an essential portion showing the state where outside air is sucked in.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
US10/471,697 2001-03-15 2002-03-13 Check valve and liquid container with check valve Abandoned US20040112916A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2001074962A JP2004291968A (ja) 2001-03-15 2001-03-15 逆止弁及び逆止弁を備えた容器
JP2001-074962 2001-03-15
JP2001284366A JP2004291969A (ja) 2001-09-19 2001-09-19 液体計量容器
JP2001-284366 2001-09-19
PCT/JP2002/002390 WO2002076845A1 (fr) 2001-03-15 2002-03-13 Clapet et recipient de liquide a clapet

Publications (1)

Publication Number Publication Date
US20040112916A1 true US20040112916A1 (en) 2004-06-17

Family

ID=26611385

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/471,697 Abandoned US20040112916A1 (en) 2001-03-15 2002-03-13 Check valve and liquid container with check valve

Country Status (7)

Country Link
US (1) US20040112916A1 (fr)
EP (1) EP1386850A1 (fr)
KR (1) KR20040012732A (fr)
CN (1) CN1498184A (fr)
CA (1) CA2441026A1 (fr)
TW (1) TW577844B (fr)
WO (1) WO2002076845A1 (fr)

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US20120114800A1 (en) * 2010-11-10 2012-05-10 Ecosentials, Llc Drink Enhancer System
WO2020091984A1 (fr) * 2018-10-31 2020-05-07 Dow Global Technologies Llc Capuchon de dosage à volume réglable
US11000878B2 (en) * 2016-12-21 2021-05-11 Stoneridge Kitchen & Bath Llc Glue gun
CN113598509A (zh) * 2021-07-30 2021-11-05 绍兴市佳彩塑业有限公司 一种复合软管瓶

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Publication number Priority date Publication date Assignee Title
US9155679B2 (en) * 2009-04-21 2015-10-13 Terumo Kabushiki Kaisha Medical container and syringe
JP5333611B2 (ja) * 2012-01-10 2013-11-06 サーモス株式会社 飲料用容器
CN102795398B (zh) * 2012-08-18 2015-03-25 李红彪 一种自动开闭的瓶盖
CN102795396B (zh) * 2012-08-18 2014-12-24 李红彪 可自动开闭的瓶盖
JP6180009B1 (ja) * 2017-05-08 2017-08-16 瑟芬 洪 流量調節機構を備えた真空機構
CN110812535A (zh) * 2019-10-24 2020-02-21 自贡市第四人民医院(自贡市急救中心) 耳挂式鼻腔分泌物收集装置及收集方法
KR102279627B1 (ko) 2021-03-02 2021-07-21 한국콜마주식회사 내용물 용기
CN115297749A (zh) 2021-03-02 2022-11-04 韩国科玛株式会社 内装物容器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4967781A (fr) * 1972-10-14 1974-07-01
JPS5631956Y2 (fr) * 1976-07-20 1981-07-30
JPS5330438U (fr) * 1977-09-16 1978-03-15
JPS6081862U (ja) * 1983-11-10 1985-06-06 サンスター株式会社 押出容器
JPH047092Y2 (fr) * 1984-09-06 1992-02-26
JP3820489B2 (ja) * 1997-06-05 2006-09-13 忠 萩原 空気の混入を防止した自立型容器
JP2000203605A (ja) * 1998-11-16 2000-07-25 Waterfall Co Inc 汚染のない分配送出システムのためのカ―トリッジ

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120114800A1 (en) * 2010-11-10 2012-05-10 Ecosentials, Llc Drink Enhancer System
US11000878B2 (en) * 2016-12-21 2021-05-11 Stoneridge Kitchen & Bath Llc Glue gun
WO2020091984A1 (fr) * 2018-10-31 2020-05-07 Dow Global Technologies Llc Capuchon de dosage à volume réglable
US11448542B2 (en) 2018-10-31 2022-09-20 Dow Global Technologies Llc Dosing cap with adjustable volume
CN113598509A (zh) * 2021-07-30 2021-11-05 绍兴市佳彩塑业有限公司 一种复合软管瓶

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CN1498184A (zh) 2004-05-19
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CA2441026A1 (fr) 2002-10-03
WO2002076845A1 (fr) 2002-10-03
EP1386850A1 (fr) 2004-02-04

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