EP1627586B1 - Cup with a valve for drinking juice - Google Patents
Cup with a valve for drinking juice Download PDFInfo
- Publication number
- EP1627586B1 EP1627586B1 EP05107240A EP05107240A EP1627586B1 EP 1627586 B1 EP1627586 B1 EP 1627586B1 EP 05107240 A EP05107240 A EP 05107240A EP 05107240 A EP05107240 A EP 05107240A EP 1627586 B1 EP1627586 B1 EP 1627586B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- tubular
- outlet
- inlet
- connector bar
- 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.)
- Not-in-force
Links
- 230000035622 drinking Effects 0.000 title claims abstract description 25
- 235000011389 fruit/vegetable juice Nutrition 0.000 title description 3
- 239000012528 membrane Substances 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims abstract description 5
- 239000013536 elastomeric material Substances 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 description 19
- 235000013399 edible fruits Nutrition 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/22—Drinking vessels or saucers used for table service
- A47G19/2205—Drinking glasses or vessels
- A47G19/2266—Means for facilitating drinking, e.g. for infants or invalids
- A47G19/2272—Means for facilitating drinking, e.g. for infants or invalids from drinking glasses or cups comprising lids or covers
Definitions
- This invention relates to closed drinking vessels, preferably in the shape of a cup with a screw-on lid having a fluid dispensing valve that prevents fluids from flowing out unless properly used.
- Drinking cups for young children have been in the market for many years, and are well known in the art.
- a variety of cups with valves are currently available commercially, providing a solution to the problem of children spilling their drink by dropping the cup, turning it upside down or shaking it.
- These valves work only by allowing the liquid to flow out when the cup is squeezed or when a person drinks by sucking from the spout.
- the cups may have one or two valves, one for allowing the liquids to flow out of the cup, and another one for allowing air to flow in. As liquid is sucked from the vessel creating a low-pressure condition within the vessel, this low-pressure condition draws external air through the second passageway to maintain a pressure equilibrium.
- Valves such as those proposed in U.S. Pat. numbers 5,079,013 , 6,250,503 and 6,321,931 contain enclosed parts or angles difficult to reach which make the cleaning process much more complicated. In addition the number of parts involved makes such valves difficult to manufacture, requiring a lot of manipulation to be assembled.
- the present invention relates to a drinking container with a valve preferably in the shape of a cup having a hollow inner body for containing liquid with an open end, a cap which encloses the open end and a one piece valve made of an elastomeric material, preferably but not limited to silicone rubber.
- the outer surface of the cap has a drinking spout and an air vent.
- the inner surface of the cap has a tubular outlet passage extending below the spout and a tubular inlet passage extending below the air vent.
- the valve has two different means to attach itself to the tubular passages.
- the tubular passage below the spout is sealed by the valve and will only open and allow the liquid to flow out when a person sucks from the spout creating a low-pressure condition.
- the valve has a small slit for drawing external air in order to maintain pressure equilibrium.
- FIG.1 and FIG.2 show a drinking vessel 20 comprising a cup 28, a cap 22 and a flow control valve 30.
- the cup 28 has a hollow inner body for containing liquids with an open upper end 60 and an external thread 62 formed circumferentially therearound.
- the cap 22 (see FIGS.3, 4 and 5 ) has an outer surface 36, and an inner surface 38. On the outer surface 36, the cap 22 has a spout 24 with an aperture 68 and an air vent 26. On the inner surface 38, the cap 22 has a tubular outlet passage 32 with two recesses 40, which are connected to the spout 24, and a tubular inlet passage 34, which is connected to the air vent 26.
- the cap 22 has a cylindrical neck 64 with internal threads 66 formed circumferentially therearound.
- the internal thread 66 engages the external thread 62 for screwing the cap 22 on to the cups upper end 60, thereby sealingly closing the drinking vessel, except for the aperture 68 on the spout 24 and the air vent 26.
- the flow control valve 30 (see FIGS.5 to 7 ) is made of a single piece of elastomeric material, preferably silicone rubber, but other elastomers such as natural rubber or PVC (Polyvinyl Chloride) are also preferred.
- the outlet valve 42 has a paraboloid configuration comprising a reinforcing ring 69 with a narrow partition wall 71 transversal to the axis of the connector bar 46.
- the outlet valve 42 being held in place by two jutting out walls 56 that are part of the connector bar 46.
- the two jutting out walls 56 provide more rigidity to the outlet valve 42, but allows for two flexible side parts 48, which act as flexible membranes.
- the reinforcing ring 69 and the partition wall 71 are provided to avoid deformation of the two flexible side parts 48; therefore allowing for a longer period of use.
- the inlet valve 44 has a tubular edge 50 sitting on two wing-like projections 70 holding the membrane 54 with a slit 52 in the middle.
- the tubular edge 50 is integral with the connector bar 46 and the two wing-like projections 70.
- wing-like projections 70 are provided for safety reasons (i.e., for an infant not to swallow it) and not for functional ones.
- the outlet valve 42 fits into the tubular outlet passage 32 that is connected to the spout 24, and is held in place by pressure as the connector bar 46 fits into the pair of recesses 40.
- the inlet valve 44 fits by friction around the tubular inlet passage 34 by means of the tubular edge 50.
- the liquid inside the cup 28 will only flow out if a person inverts the cups 28 position, therefore moving the liquid towards the cap, and sucks at the spout 24 creating a lower external pressure than the pressure inside the drinking vessel 20.
- This difference in pressure bends the two flexible side parts 48 of the outlet valve 42 towards the spout 24, therefore allowing the liquid to flow through the tubular outlet passage 32 and finally flow out of the drinking vessel 20 though the aperture 68.
- this difference in pressure forces air in through the slit 52 of the inlet valve 44.
- the two flexible side parts 48 return to their original position stopping the liquid from flowing out. Due to the type of material used in the manufacture of the flow control valve 30, as soon as the suction force that keeps the flexible side parts 48 opened or bent ceases, the pressure of the two flexible sides 48 contacting the inner wall of the outlet passage 32 closes the outlet passage 32.
- the slit 52 also closes, and acts as a non-return valve, so that the liquid inside the vessel 20 is thereby prevented from flowing out through the air vent 26.
- outlet valve and outlet passage having an oval shape; the outlet valve having one flexible side acting as a membrane, etc.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pediatric Medicine (AREA)
- Closures For Containers (AREA)
- Table Devices Or Equipment (AREA)
- Non-Alcoholic Beverages (AREA)
- Packages (AREA)
Abstract
Description
- This invention relates to closed drinking vessels, preferably in the shape of a cup with a screw-on lid having a fluid dispensing valve that prevents fluids from flowing out unless properly used.
- Drinking cups for young children have been in the market for many years, and are well known in the art. A variety of cups with valves are currently available commercially, providing a solution to the problem of children spilling their drink by dropping the cup, turning it upside down or shaking it. These valves work only by allowing the liquid to flow out when the cup is squeezed or when a person drinks by sucking from the spout. The cups may have one or two valves, one for allowing the liquids to flow out of the cup, and another one for allowing air to flow in. As liquid is sucked from the vessel creating a low-pressure condition within the vessel, this low-pressure condition draws external air through the second passageway to maintain a pressure equilibrium.
- However, due to their design, the current valves don't work properly when used for drinking juices having pulp, blended fruit or other liquids with suspended particles in them. The suspended particles in the liquid affect the correct working of the valve by partially or totally blocking the mechanism, and therefore, not allowing the liquids to flow out.
- Another disadvantage of the prior art is that they are difficult to clean or take a long time to do so. Valves such as those proposed in
U.S. Pat. numbers 5,079,013 ,6,250,503 and6,321,931 contain enclosed parts or angles difficult to reach which make the cleaning process much more complicated. In addition the number of parts involved makes such valves difficult to manufacture, requiring a lot of manipulation to be assembled. - Several types of one-piece valves made of elastomeric materials, such as silicone rubber have been proposed, for example
U.S. Pat. numbers 5,542,670 ,6,050,445 and6,102,245 , these valves are much easier to clean and simpler to manufacture. The shortcoming of these valves is that they control the liquid flow by means of a small slit in the elastomeric membrane, therefore acting as a filter that is finally blocked by the small-suspended solids such as fruit pulp or pieces of blended fruit. Another one-piece valve is disclosed inUS-A-2003/0209555 . - Accordingly, there is still a need in the art for a cup for drinking with a valve that will allow the user to drink liquids with suspended particles without the valve getting blocked that can be easily cleaned and is inexpensively manufactured.
- It is an object of the present invention to provide a drinking vessel with an improved valve mechanism that will not get blocked when used for drinking juices containing pulp, blended fruit or other liquids with suspended particles.
- It is a further object of the present invention to provide a valve mechanism that prevents liquids from flowing out of the cup unless the user sucks upon the spout, creating a lower external pressure than the pressure inside the drinking vessel.
- It is a further object of the present invention to provide a fluid dispensing valve, a cup and a cap that are easy to clean and simple to assemble.
- The present invention relates to a drinking container with a valve preferably in the shape of a cup having a hollow inner body for containing liquid with an open end, a cap which encloses the open end and a one piece valve made of an elastomeric material, preferably but not limited to silicone rubber.
- The outer surface of the cap has a drinking spout and an air vent. The inner surface of the cap has a tubular outlet passage extending below the spout and a tubular inlet passage extending below the air vent.
- The valve has two different means to attach itself to the tubular passages. The tubular passage below the spout is sealed by the valve and will only open and allow the liquid to flow out when a person sucks from the spout creating a low-pressure condition. Where the air vent is located, the valve has a small slit for drawing external air in order to maintain pressure equilibrium.
- Other objects, features, advantages, and benefits of the present invention will become apparent from the following detailed specification.
-
FIG.1 is a top perspective view of the drinking vessel; -
FIG.2 is an exploded perspective view of the drinking vessel showing the cup, cap and valve assembly; -
FIG.3 is a perspective view showing the inner part of the cap; -
FIG.4 is a top plan view of the drinking vessel cap; -
FIG.5 is a cross-sectional view of valve assembly taken along line 5-5 applied toFIG.4 in another embodiment of the cap; -
FIG.6 is a top perspective view of the valve; and -
FIG.7 is a bottom perspective view of the valve ofFIG.6 . - A preferred embodiment of the present invention is shown in
FIG.1 and FIG.2 , the drawings show adrinking vessel 20 comprising a cup 28, acap 22 and aflow control valve 30. - The cup 28 has a hollow inner body for containing liquids with an open
upper end 60 and an external thread 62 formed circumferentially therearound. - The cap 22 (see
FIGS.3, 4 and 5 ) has anouter surface 36, and aninner surface 38. On theouter surface 36, thecap 22 has aspout 24 with anaperture 68 and anair vent 26. On theinner surface 38, thecap 22 has atubular outlet passage 32 with two recesses 40, which are connected to thespout 24, and atubular inlet passage 34, which is connected to theair vent 26. - The
cap 22 has acylindrical neck 64 withinternal threads 66 formed circumferentially therearound. Theinternal thread 66 engages the external thread 62 for screwing thecap 22 on to the cupsupper end 60, thereby sealingly closing the drinking vessel, except for theaperture 68 on thespout 24 and theair vent 26. - The flow control valve 30 (see
FIGS.5 to 7 ) is made of a single piece of elastomeric material, preferably silicone rubber, but other elastomers such as natural rubber or PVC (Polyvinyl Chloride) are also preferred. An outlet valve 42 and an inlet valve 44, interconnected by aconnector bar 46, form theflow control valve 30. - The outlet valve 42 has a paraboloid configuration comprising a reinforcing
ring 69 with anarrow partition wall 71 transversal to the axis of theconnector bar 46. The outlet valve 42 being held in place by two jutting outwalls 56 that are part of theconnector bar 46. The two jutting outwalls 56 provide more rigidity to the outlet valve 42, but allows for twoflexible side parts 48, which act as flexible membranes. The reinforcingring 69 and thepartition wall 71 are provided to avoid deformation of the twoflexible side parts 48; therefore allowing for a longer period of use. - The inlet valve 44 has a
tubular edge 50 sitting on two wing-like projections 70 holding the membrane 54 with aslit 52 in the middle. Thetubular edge 50 is integral with theconnector bar 46 and the two wing-like projections 70. - These wing-
like projections 70 are provided for safety reasons (i.e., for an infant not to swallow it) and not for functional ones. - The outlet valve 42 fits into the
tubular outlet passage 32 that is connected to thespout 24, and is held in place by pressure as theconnector bar 46 fits into the pair of recesses 40. - The inlet valve 44 fits by friction around the
tubular inlet passage 34 by means of thetubular edge 50. - Once the
fluid control valve 30 is attached to thetubular outlet passage 32 and thetubular inlet passage 34, as previously described, the liquid inside the cup 28 will only flow out if a person inverts the cups 28 position, therefore moving the liquid towards the cap, and sucks at thespout 24 creating a lower external pressure than the pressure inside thedrinking vessel 20. This difference in pressure bends the twoflexible side parts 48 of the outlet valve 42 towards thespout 24, therefore allowing the liquid to flow through thetubular outlet passage 32 and finally flow out of thedrinking vessel 20 though theaperture 68. As the liquid flows out, it creates a low-pressure condition in thedrinking vessel 20, this difference in pressure forces air in through theslit 52 of the inlet valve 44. - When the person stops sucking at the
spout 24, the twoflexible side parts 48 return to their original position stopping the liquid from flowing out. Due to the type of material used in the manufacture of theflow control valve 30, as soon as the suction force that keeps theflexible side parts 48 opened or bent ceases, the pressure of the twoflexible sides 48 contacting the inner wall of theoutlet passage 32 closes theoutlet passage 32. Theslit 52 also closes, and acts as a non-return valve, so that the liquid inside thevessel 20 is thereby prevented from flowing out through theair vent 26. - While preferred embodiments of the present invention have been illustrated and described, other embodiments could be manufactured with the outlet valve and outlet passage having an oval shape; the outlet valve having one flexible side acting as a membrane, etc.
Claims (6)
- A drinking vessel (20) comprising:a cup (28) having a hollow inner body and an open end (60);a removable cap (22) for sealingly closing said open end (60), comprising an outer surface (36) with a spout (24) and an air vent (26), and an inner surface (38) with a tubular outlet passage (32) and a tubular inlet passage (34);a one piece flow control valve (30), made of an elastomeric material, comprising an inlet valve (44) and an outlet valve (42) joined together by a connector bar (46), said outlet valve (42) of parabolic configuration having a reinforcing ring (69) and a partition wall (71), held in place by two jutting out walls (56) that are part of said connector bar (46), said inlet valve (44) having a tubular edge (50) sitting on two wing-like projections (70) holding a membrane (54) with a slit (52), said tubular edge (50) being integral with the connector bar (46) and the two wing-like projections (70), said outlet and inlet valves (42,44) fitting into said outlet and inlet passages (32,34), respectively.
- The drinking vessel of claim 1, wherein said tubular outlet passage (32) protrudes from under said spout (24) and having a pair of recesses (40) at its open end.
- The drinking vessel of claim 1 or 2, wherein said outlet valve (42) fits by pressure into the tubular outlet passage (32) as the connector bar (46) fits into said pair of recesses (40), and said inlet valve (44) fits by friction around the tubular inlet passage (34) by means of the tubular edge (50).
- The drinking vessel of any of the previous claims wherein said outlet valve (42) comprises a pair of flexible side parts (48) that act as flexible membranes.
- The drinking vessel of any of the previous claims wherein said slit (52) of said membrane (54) of the inlet valve (44) being in the middle.
- The drinking vessel of any of the previous claims wherein said partition wall (71) of the outlet valve (42) is transversal to the axis of said connector bar (46).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/921,509 US20060037963A1 (en) | 2004-08-19 | 2004-08-19 | Cup with a valve for drinking juice |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1627586A1 EP1627586A1 (en) | 2006-02-22 |
EP1627586B1 true EP1627586B1 (en) | 2008-05-21 |
Family
ID=35219609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05107240A Not-in-force EP1627586B1 (en) | 2004-08-19 | 2005-08-05 | Cup with a valve for drinking juice |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060037963A1 (en) |
EP (1) | EP1627586B1 (en) |
AT (1) | ATE395850T1 (en) |
DE (1) | DE602005006910D1 (en) |
ES (1) | ES2306017T3 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10589907B2 (en) * | 2006-04-12 | 2020-03-17 | Volo Brands Llc | Disposable lid having spout with filter for beverage container |
FR2904610B1 (en) * | 2006-08-01 | 2009-11-27 | Nicolas Marie | CAP WITH AUTOMATIC VALVE SYSTEM WITH SINGLE SENSE |
US8333299B2 (en) | 2009-05-22 | 2012-12-18 | Handi-Craft Company | Leak resistant drinking cup |
US9138088B2 (en) * | 2009-05-22 | 2015-09-22 | Handi-Craft Company | Leak resistant drinking cup |
US8256642B2 (en) * | 2009-09-10 | 2012-09-04 | Helen Of Troy Limited | Sippy cup assembly |
US8678228B2 (en) * | 2012-06-28 | 2014-03-25 | Zak Designs, Inc. | Liquid metering assembly |
US9585803B2 (en) * | 2013-12-18 | 2017-03-07 | Jeffrey G. Niedens | Invertible drinking device and method |
USD1032292S1 (en) * | 2021-10-28 | 2024-06-25 | Elgin Chan | Straw cup |
USD1018203S1 (en) * | 2021-11-03 | 2024-03-19 | Elgin Chan | Sippy cup |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2210206A (en) * | 1938-11-14 | 1940-08-06 | Herman W Fisher | Automatic fluid dispenser |
US2483750A (en) * | 1945-12-22 | 1949-10-04 | Otto M Bratrud | Glue spreader and paper cutter |
US4941598A (en) * | 1988-11-08 | 1990-07-17 | Ortho Pharmaceutical Corporation | Dosing cap |
JPH02161950A (en) * | 1988-12-15 | 1990-06-21 | Jiekusu Kk | Nipple |
US5379909A (en) * | 1990-01-16 | 1995-01-10 | Roark; Carlton | Fillable hand held exercise device comprised of one dual sided closure and at least one container |
US5079013A (en) * | 1990-08-30 | 1992-01-07 | Belanger Richard A | Dripless liquid feeding/training containers |
GB2266045B (en) * | 1992-04-07 | 1996-09-18 | Mandy Nicola Haberman | Drinking vessel suitable for use as a trainer cup or the like |
US5542670A (en) * | 1995-07-17 | 1996-08-06 | Playtex Products, Inc. | Flow control element and covered drinking cup |
US5607073A (en) * | 1996-02-20 | 1997-03-04 | Forrer; Scott M. | Valve |
US5890621A (en) * | 1996-10-21 | 1999-04-06 | Gerber Products Company | Cup for young children with cap valved for fluid control |
EP0838184A1 (en) * | 1996-10-25 | 1998-04-29 | Robbins, Edward S. III | Drinking cup and cover with flow control elements |
US5706973A (en) * | 1997-01-30 | 1998-01-13 | E. S. Robbins Corporation | Drinking cup and cover with flow control elements |
IL134641A0 (en) * | 1997-08-21 | 2001-04-30 | Hakim Nouri E | No-spill drinking cup apparatus |
US6050445A (en) * | 1998-02-06 | 2000-04-18 | Playtex Products, Inc. | Leak-proof cup assembly with flow control element |
AT405716B (en) * | 1998-03-18 | 1999-11-25 | Bamed Ag | CONTAINER ATTACHMENT FOR A DRINKING CONTAINER AND VALVE BODY INSERT FOR THIS |
US6269968B1 (en) * | 1999-11-18 | 2001-08-07 | Niko Products, Inc. | Valve arrangement for an automatically sealing cup |
US6250503B1 (en) * | 2000-07-19 | 2001-06-26 | Richard C. G. Dark | Fluid dispensing valve and method of use |
US7530466B2 (en) * | 2002-01-08 | 2009-05-12 | Omnitek Partners Llc | Temperature sensitive valve having shape memory actuator |
US6732882B2 (en) * | 2002-05-08 | 2004-05-11 | Niko Products, Inc. | No-spill cover assemly for a drink container |
US7147121B2 (en) * | 2003-04-03 | 2006-12-12 | Abc Development Inc. | Valve for non-spill cup |
US20050205589A1 (en) * | 2004-03-19 | 2005-09-22 | Davis Dennis L | Sippy cup valve |
US7108676B2 (en) * | 2004-05-04 | 2006-09-19 | Loging James A | Cup for administering medicine to a child |
-
2004
- 2004-08-19 US US10/921,509 patent/US20060037963A1/en not_active Abandoned
-
2005
- 2005-08-05 ES ES05107240T patent/ES2306017T3/en active Active
- 2005-08-05 DE DE602005006910T patent/DE602005006910D1/en not_active Expired - Fee Related
- 2005-08-05 AT AT05107240T patent/ATE395850T1/en not_active IP Right Cessation
- 2005-08-05 EP EP05107240A patent/EP1627586B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
ES2306017T3 (en) | 2008-11-01 |
US20060037963A1 (en) | 2006-02-23 |
EP1627586A1 (en) | 2006-02-22 |
DE602005006910D1 (en) | 2008-07-03 |
ATE395850T1 (en) | 2008-06-15 |
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