US20080073363A1 - Drinking cup and cover with flow directing assembly - Google Patents

Drinking cup and cover with flow directing assembly Download PDF

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Publication number
US20080073363A1
US20080073363A1 US11/438,110 US43811006A US2008073363A1 US 20080073363 A1 US20080073363 A1 US 20080073363A1 US 43811006 A US43811006 A US 43811006A US 2008073363 A1 US2008073363 A1 US 2008073363A1
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United States
Prior art keywords
flow directing
drinking cup
flow
drinking
spout
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Abandoned
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US11/438,110
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English (en)
Inventor
Daniel Higgins
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US11/438,110 priority Critical patent/US20080073363A1/en
Priority to PCT/US2007/011903 priority patent/WO2007136748A2/fr
Publication of US20080073363A1 publication Critical patent/US20080073363A1/en
Abandoned legal-status Critical Current

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    • 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

  • the present invention relates to drinking cups that are designed to transition young children from drinking liquids from nippled bottles to drinking liquids from open top cups, glasses, bottles, etc.
  • spill-proof cups having drinking spouts and separate air vents
  • Such spill-proof cups typically include drinking spouts and air vents that are arranged in somewhat similar structural configurations.
  • improvements in spill-proof cups have focused on valving mechanisms and the air vent arrangements that respond to suction generated during drinking to open and allow liquid to pass through the spout and to allow air to enter the air vent when a vacuum is developed in the interior of the cup.
  • spill-proof cups can be found in U.S. Pat. Nos. 6,230,923 to Hung, 6,102,245 to Haberman, U.S. Pat. No. 6,050,445 to Manganiello, U.S. Pat. No. 5,988,425 to Yehl et al., U.S. Pat. No. 5,89.0,620 to Belcastro, U.S. Pat. No. 5,706,973 to Robbins, III et al., and U.S. Pat. No. 5,542,670 to Morano.
  • the present invention is directed to spill-proof cups that are designed and configured to allow children to drink put of the cups, without having the cups block the children's vision.
  • the present invention provides a drinking cup that includes:
  • a container base for containing a liquid to be consumed
  • a lid that is removable attachable to the container base and includes a drinking spout
  • a flow directing assembly that is coupled to the lid which flow directing assembly allows liquid in the container base to be extracted through the drinking spoilt when the drinking cup is tilted so that the drinking spout is located at an upper position on the lid.
  • the flow directing assembly includes a flow channel that comprise a flow chamber and a flow directing element that can be coupled together to form a fluid passageway that has a liquid inlet oh an end portion which is in fluid communication with me interior of the base container and is in fluid communication with the spout on an opposite end.
  • the flow chamber is made of a rigid or semi-rigid material and the flow directing element is made from a resilient or flexible material.
  • the flow directing assembly can provide for venting and ambient pressure equalization of the drinking cup and one-away control of fluid through the fluid passageway.
  • the present invention further provides an improvement for drinking cups that have bases for containing liquids to be consumed and lids that are removable attachable to the bases and include a drinking spouts, the improvement comprising a flow directing assembly that is coupled to the lids which flow directing assembly allows liquid in the container bases to be extracted through the drinking spout when the drinking cups are tilted so that the drinking spouts are located at an upper position on the lids.
  • FIG. 1 is a perspective view of a young person drinking from a conventional spill-proof cup in a conventional manner.
  • FIG. 2 is a perspective cut-away view of a spill-proof cup according to one embodiment of the present invention
  • FIG. 3 is a cross-sectional view of the top portion of the spill-proof cup of FIG. 2 .
  • FIG. 4 is a perspective cutaway view of a spill-proof cup according to another embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of the top portion of the spill-proof cup of FIG. 4 .
  • FIG. 6 is a perspective cut-away view of a spill-proof cup according to another embodiment of the present invention.
  • FIG. 7 is a cross-sectional view of the top portion of the spill-proof cup of FIG. 6 .
  • the present invention is directed to drinking cups that are designed to transition young children from drinking liquids from nippled bottles to drinking liquids from open top cups, glasses, bottles, etc. More particularly, the present invention is directed to spill-proof cups that comprise a container base and a lid or cap that includes a drinking spout of some fashion and a liquid flow directing assembly that is associated with the lid or cap.
  • the container base contains a liquid that is to be made available for drinking and can have a generally cylindrical shape, a “pinched” shape, or any conventional shape or configuration that is known in the art of spill-proof cups and containers.
  • the drinking spout can be cylindrically shaped, can comprises an expandable and/or flexible tube or straw or a pull-out or pop-up straw or mouthpiece, can be in the form of a well or reservoir, can be economically molded for comfort and function, or can be of any conventional shape or configuration that is known in the art of spill-proof cups and containers.
  • the lid or cap and container base can be configured to be removably coupled together in any convenient manner such as having cooperating threaded structures, twist locking structures, a snap-on or snap together configuration, or any other suitable structure known in the art of spill-proof cups and containers.
  • the liquid flow directing assembly generally includes a liquid flow directing element and a flow chamber.
  • the flow chamber is attached to or molded on the bottom of the lid or cap and is configured to receive the flow directing element therein.
  • the flow directing assembly allows liquid to enter the flow chamber at one end and be drawn out of the spout that is located above an opposite end of the flow chamber.
  • the flow directing element can be provided with valve elements that restrict, regulate or provide for fluid and/or air control or regulation.
  • FIG. 1 is a perspective view of a child drinking from a conventional spill-proof cup in a conventional manner.
  • the spill-proof cup shown in FIG. 1 is described in U.S. Pat. No. 5,890,620 to Belcastro and is typical of spill-proof cups that provide a spout oh one side of lid and an air vent opening on an opposite side of the lid.
  • the spill-proof cup shown in FIG. 1 is typical of spill-proof cups in which the spout is designed to allow liquid that is located in a lower portion of the cup to be extracted through the spout.
  • a child drinking from the cup has to hold the cup so that the spout is positioned downward so the liquid that is located at a lower position in the cup can flow outward through the spout.
  • the cup necessarily blocks the child's field of view as the cup is held upward for drinking.
  • FIGS. 2-7 In which common reference numerals are used to identify similar structural elements where possible.
  • FIG. 2 is a perspective cut-away view of a spill-proof cup according to one embodiment of the present invention.
  • the spill-proof cup which is generally identified by reference numeral 1 , includes a container base 2 which has a closed bottom (not shown), is generally cylindrically shaped and has external threaded structures 3 provided near the top 4 .
  • the container base 2 can have a “pinched” shape, or any conventional shape or configuration that is known in the art of spill-proof cups and containers.
  • the function of the container base 2 is to hold a quantity of liquid for a person such as a child to drink.
  • the spill-proof cup 1 includes a lid 5 , which is shaped to be complementary to the container base 2 so that the lid 5 can fit over and be coupled to the container base 2 .
  • the lower inner surface of the lid 5 is provided with internal threaded structures 6 that are complementary to the external threaded structures 3 provided near the top 4 of the container base 2 .
  • the cooperating threaded structures provided on the lid 5 and container base 2 enable the lid 5 and container base 2 to be coupled together in a fluid tight manner.
  • the lid 5 and container base 2 can be provided with twist locking structures, snap-on or snap together configurations, or any other suitable structure or arrangement known in the art of spill-proof cups and containers.
  • the lid 5 shown in FIG. 2 includes a drinking spout 7 that extends outward from the top of the lid 5 in a known manner.
  • the drinking spout 7 is shown as having a conventional curved shape and being positioned over an opening 8 that extends through the lid 5 . Liquid contained within the spill-proof cup 1 can be extracted, through the opening 8 when a person such as a child holds the cup and sucks on the drinking spout 7 .
  • the drinking spout 7 itself can be hollow with one or more openings that extend through the top thereof (See FIG. 3 ).
  • the drinking spout 7 can be cylindrically shaped, can comprise an expandable and/or flexible tube or straw or a pull-put or pop-up straw or mouthpiece, can be in the form of a well or reservoir, can be ergonomically molded in any desired shape that provides for comfort and function, or can be of any conventional shape or configuration that is known in the art of spill-proof cups on containers.
  • a liquid flow directing assembly is provided within the bottom of the lid 5 and includes a flow chamber 10 and a liquid flow directing element 11 .
  • the flow chamber 10 has a generally elongated shape defined by a peripheral wall 12 that extends downward from the bottom of lid 5 as shown. One end of the flow chamber 10 extends so as to be positioned beneath opening 8 formed in lid 5 . The opposite end of the flow chamber 10 extends to the other side of lid 5 as will be understood from the description of FIG. 3 which follows.
  • the flow chamber 10 defines an open channel that is in fluid communication with opening 8 formed in lid 5 , and can either be molded together with the lid 5 or formed as a separate structure and attached thereto in any convenient manner.
  • the liquid flow directing element 11 is configured to be received in the flow chamber 10 as indicated in FIG. 2 and shown in FIG. 3 .
  • the flow chamber 10 is made from a substantially rigid material such as a rigid or semi-rigid plastic
  • the liquid flow directing element 11 is made from a resilient or flexible material such as an elastomeric material, a thermoplastic elastomer, silicone, soft rubber or the like which will allow the liquid flow directing element 11 to form a sufficient seal against the flow chamber 10 so that liquid under a suction force will flow in a desired direction as discussed below.
  • the liquid flow directing element 11 includes a bottom 13 and a peripheral wall 14 that extends upward from the bottom 13 as shown in FIG. 2 .
  • the peripheral wall 14 of the liquid flow directing element 11 is configured to be received within the peripheral wall 12 of the flow chamber 10 and sized to form a sufficient seal against the peripheral wall 12 of the flow chamber 10 to ensure that liquid under a suction force will flow in a desired direction as discussed below.
  • the embodiment of the liquid flow directing element shown in FIG. 2 includes a tab 15 that will allow the liquid flow directing element 11 to be separated from the flow chamber for purposes of cleaning the elements of the cup.
  • the tab 15 should be located near an end of the liquid flow directing element 11 because it will be easier to pull one end of the liquid flow directing element 11 from the flow chamber 10 than pull both ends but simultaneously.
  • the end of the flow chamber 10 which is opposite the end that extends under opening 8 is provided with a notch 16 and the corresponding end of the liquid flow directing element 11 (as shown in FIG. 2 ) has a concave shape as illustrated.
  • These two structures which can be used together or separately, provide a liquid inlet 20 (See FIG. 3 ) through which liquid within the spill-proof cup 1 can flow into flow chamber 10 as will now be described in detail.
  • FIG. 3 is a cross-sectional view of the top portion of the spill-proof cup of FIG. 2 .
  • the lid 5 is coupled onto the container base 2 by the cooperation of the threaded structures 3 and 6 .
  • a gasket 17 can be provided in lid 5 to ensure a fluid tight seal between the lid 5 and container base 2 .
  • the cup In order to drink from the spill-proof cup, the cup is positioned as shown FIG. 3 so that the spout 7 is at an upper portion of the lid 5 .
  • Liquid 18 in the spill-proof cup 1 settles to a lower portion of the container base 2 in this orientation of the spill-proof cup 1 .
  • a person 19 applies a suction force to the spout 7 on lid 5 , a vacuum is created in flow chamber 10 which is sealed except at the opening 8 that is in fluid communication with spout 7 and the liquid inlet 20 which is position at a lower portion of the flow chamber 10 in the illustrated orientation.
  • the vacuum created in the flow chamber 10 causes liquid 18 within the container base 2 to be drawn into flow chamber 10 through liquid inlet 20 .
  • additional liquid is drawn into flow chamber 10 through liquid inlet 20 to replace the liquid in flow chamber 10 as long as a person 19 applies a suction force to the spout 7 .
  • FIGS. 2 and 3 does not include an air vent. Accordingly, when a person 19 ceases applying the suction force to the spout 7 , the vacuum which is now distributed into container base 2 causes air to be drawn through spout 7 and flow chamber 10 and into container base 2 to equalize the pressure in the container base 2 with the ambient pressure.
  • FIG. 4 is a perspective cut-away view of a spill-proof cup according to another embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of the top portion of the spill-proof cup of FIG. 4 .
  • the spill-proof cup of FIGS. 4 and 5 includes an air vent 21 that extends through lid 5 and is positioned between the spout 7 and a peripheral edge of the lid 5 whereat the air vent 21 is above the spout 7 when the spill-proof cup 1 is drank from as illustrated in FIG. 5 .
  • the air vent 21 can be provided with an air-permeable, liquid-impermeable membrane to ensure that liquid contained within the spill-proof cup 1 does not leak or seep out if desired.
  • the flow chamber 10 depicted in FIGS. 4 and 5 includes an air venting chamber 22 that extends beneath the air vent 21 provided in lid 5 .
  • the flow chamber 10 and air venting chamber 22 are joined together.
  • the air venting chamber 22 can be a separate chamber from the flow chamber 10 .
  • the air venting chamber 22 and flow chamber 10 whether joined together for formed as separate structures, can be molded together with the lid 5 or formed as a separate structure(s) and attached to the lid 5 in any convenient manner.
  • the liquid-flow directing element 11 depicted in FIGS. 4 and 5 includes a valve element portion 23 that is configured to be received in the air venting chamber 22 .
  • the liquid flow directing element 11 is made from a resilient or flexible material such as an elastomeric material, a thermoplastic elastomer, silicone, soft rubber or the like which will allow the liquid flow directing element 11 to form a sufficient seal against the flow chamber 10 so that liquid under a suction force will flow in a desired direction as discussed below.
  • valve element portion 23 of the liquid flow directing element 11 forms a sufficient seal against the air venting chamber 22 , so that when a sufficient vacuum is created in the container base 2 , ambient air is allowed to enter the container base 2 through the air vent 21 and equalize the pressure (vacuum) in the container base 2 as discussed below.
  • the valve element portion 23 of the liquid flow directing element 11 in provided with a slit 24 which allows for air to pass therethrough as discussed below.
  • the slit 24 can have an “X”-shape, a “Y”-shape or any suitable shape and comprise a plurality of slits.
  • valve element portion 23 is depicted as being integral with the flow directing element 11 , it is to be understood that the valve element portion 23 and the flow directing element 11 can be formed as separate structural elements as can the air venting chamber 22 and the flow chamber 10 .
  • providing the valve element portion 23 and the flow directing element 11 as an integral structural element reduces the number of pieces that have to be handled, e.g. removed and replaced, when the spill-proof cup 1 of the present invention is cleaned after being used.
  • providing the valve element portion 23 and the flow directing element 11 as an integral structural element avoids providing a separate valve element portion 23 which could be relatively small so as to pose a potential choking hazard.
  • the end of the flow chamber 10 which is opposite the end that extends under opening 8 is provided with a notch 16 and the corresponding end of the liquid flow directing element 11 includes an alignment structure 9 that is configured to be received in notch 16 .
  • the cup In order to drink from the spill-proof cup depicted in FIGS. 4 and 5 , the cup is positioned as shown FIG. 5 so that the spout 7 is at an upper portion of the lid 5 .
  • Liquid 18 in the spill-proof cup 1 settles to a lower portion of the container base 2 in this orientation of the spill-proof cup 1 .
  • a vacuum is created in flow chamber 10 which is sealed except at the opening 8 that is in fluid communication with spout 7 and the liquid inlet 20 which is position at a lower portion of the flow chamber 2 in the illustrated orientation and at the air venting chamber 22 where at valve element portion 23 of the flow directing element 11 controls the venting or ambient air.
  • the vacuum created in the flow chamber 10 causes liquid 18 within the container base 2 to be drawn into flow chamber 10 through liquid inlet 20 .
  • additional liquid is drawn into flow chamber 10 through liquid inlet 20 to replace the liquid in flow chamber 10 as long as a person 19 applies a suction force to the spout 7 .
  • valve element portion 23 of the flow directing element 11 opens up and allows ambient air to be drawn through air vent 21 into the base container 2 , thereby equalizing the pressure within the base container 2 .
  • the flow chamber 10 and air venting chamber 22 can be in fluid communication with one another.
  • the flow chamber 10 and air venting chamber 22 can be isolated from one another, except for their mutual fluid communication with base container 2 via the liquid inlet 20 and valve element portion 23 of the flow directing element 11 .
  • FIG. 6 is a perspective cut-away view of a spill-proof cup according to another embodiment of the present invention.
  • FIG. 7 is a cross-sectional view of the top portion of the spill-proof cup of FIG. 6 .
  • the embodiment of the spill-proof cup depicted in FIGS. 6 and 7 is substantially similar to that of FIGS. 4 and 5 .
  • the flow directing element 11 is provided with a one-way valve element 25 that is configured to create a seal between the spout 7 and the flow chamber 10 .
  • the one-way valve element 25 is shown in FIGS. 6 and 7 as being formed as a portion of the flow directing element 11 and is configured to be a type of flap-valve.
  • the one-way valve element 25 has a free end 26 that is configured to seal against a lower internal portion of the spout 7 as shown in FIG. 7 under normal conditions.
  • the one-way valve elements 25 will resiliently deflect upward from the position depicted in FIG. 7 thereby allowing liquid to pass thereby and out of spout 7 .
  • the one-way valve 25 returns to the position depicted in FIG. 7 . In this “closed” position, the one-way valve 25 prevents liquid from leaking or seeping out of spout 7 when the spill-proof cup 1 is not in use.
  • the one-way valve 25 can be incorporated in any position within flow chamber 10 between the spout 7 and liquid inlet 20 . Moreover, the one-way valve 25 can be incorporated into the spout 7 and/or the liquid inlet 20 if desired. Further, the structure or type of one-way valve is not limited to that shown in FIGS. 6 and 7 . In this regard other conventional one-way valve structures could be used including duck bill valves, flapper valves, ball check valves, etc.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pediatric Medicine (AREA)
  • Closures For Containers (AREA)
  • Table Devices Or Equipment (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
US11/438,110 2006-05-19 2006-05-19 Drinking cup and cover with flow directing assembly Abandoned US20080073363A1 (en)

Priority Applications (2)

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US11/438,110 US20080073363A1 (en) 2006-05-19 2006-05-19 Drinking cup and cover with flow directing assembly
PCT/US2007/011903 WO2007136748A2 (fr) 2006-05-19 2007-05-18 Gobelet et couvercle pourvus d'un système de guidage de flux

Applications Claiming Priority (1)

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US11/438,110 US20080073363A1 (en) 2006-05-19 2006-05-19 Drinking cup and cover with flow directing assembly

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140252012A1 (en) * 2013-03-11 2014-09-11 Steve Wharton Valve for a sippy cup
US20160235229A1 (en) * 2015-02-13 2016-08-18 Mapa Gmbh Drinking Container with a Drinking Vessel and a Drinking Lid
US10433665B2 (en) 2016-01-25 2019-10-08 Handi-Craft Company Valve assembly for leak resistant straw cup
JP2020158120A (ja) * 2019-03-25 2020-10-01 株式会社オーエスケー 飲料容器

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US20140252012A1 (en) * 2013-03-11 2014-09-11 Steve Wharton Valve for a sippy cup
US9151398B2 (en) * 2013-03-11 2015-10-06 Tervis Tumbler Company Valve for a sippy cup
US9723939B2 (en) 2013-03-11 2017-08-08 Tervis Tumbler Company Valve for a sippy cup and sippy cup including the same
US20160235229A1 (en) * 2015-02-13 2016-08-18 Mapa Gmbh Drinking Container with a Drinking Vessel and a Drinking Lid
US10433665B2 (en) 2016-01-25 2019-10-08 Handi-Craft Company Valve assembly for leak resistant straw cup
JP2020158120A (ja) * 2019-03-25 2020-10-01 株式会社オーエスケー 飲料容器

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