US20030226372A1 - Container with refillable core - Google Patents

Container with refillable core Download PDF

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Publication number
US20030226372A1
US20030226372A1 US10/164,675 US16467502A US2003226372A1 US 20030226372 A1 US20030226372 A1 US 20030226372A1 US 16467502 A US16467502 A US 16467502A US 2003226372 A1 US2003226372 A1 US 2003226372A1
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United States
Prior art keywords
bowl
wall
container
liquid
volume
Prior art date
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Granted
Application number
US10/164,675
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US6668579B1 (en
Inventor
Michael Bigwood
Mark Morrison
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MPDI
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MPDI
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Priority to US10/164,675 priority Critical patent/US6668579B1/en
Assigned to MPDI reassignment MPDI ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BIGWOOD, MICHAEL COLBY, MORRISON, MARK D.
Publication of US20030226372A1 publication Critical patent/US20030226372A1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K7/00—Watering equipment for stock or game
    • A01K7/005—Drinking bowls with anti-splash or anti-spilling features
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K5/00—Feeding devices for stock or game ; Feeding wagons; Feeding stacks
    • A01K5/01—Feed troughs; Feed pails
    • A01K5/0114—Pet food dispensers; Pet food trays
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K7/00—Watering equipment for stock or game
    • 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
    • A47G19/02—Plates, dishes or the like
    • A47G19/027—Plates, dishes or the like with means for keeping food cool or hot
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J41/00—Thermally-insulated vessels, e.g. flasks, jugs, jars
    • A47J41/0038—Thermally-insulated vessels, e.g. flasks, jugs, jars comprising additional heating or cooling means, i.e. use of thermal energy in addition to stored material
    • A47J41/005—Thermally-insulated vessels, e.g. flasks, jugs, jars comprising additional heating or cooling means, i.e. use of thermal energy in addition to stored material comprising heat or cold producing means, i.e. energy transfer from outside the vessel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
    • B65D81/3837—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a bottle, jar or like container
    • B65D81/3844—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a bottle, jar or like container provided with liquid material between double walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2303/00—Details of devices using other cold materials; Details of devices using cold-storage bodies
    • F25D2303/08—Devices using cold storage material, i.e. ice or other freezable liquid
    • F25D2303/083—Devices using cold storage material, i.e. ice or other freezable liquid using cold storage material disposed in closed wall forming part of a container for products to be cooled
    • F25D2303/0831—Devices using cold storage material, i.e. ice or other freezable liquid using cold storage material disposed in closed wall forming part of a container for products to be cooled the liquid is disposed in the space between the walls of the container
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2331/00—Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
    • F25D2331/80—Type of cooled receptacles
    • F25D2331/804—Boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/02—Devices using other cold materials; Devices using cold-storage bodies using ice, e.g. ice-boxes
    • F25D3/06—Movable containers
    • F25D3/08—Movable containers portable, i.e. adapted to be carried personally

Definitions

  • the present invention relates to portable containers and more particularly to a container with a refillable liquid core.
  • Insulated cooler are known in the art. These coolers typically have spaced inner and outer walls made of a high strength plastic or metal and include a removable cover. The space between the walls is typically filled with an insulating material such as polystyrene.
  • a drawback to this type of cooler is that a user must insert ice or a cold pack in the container to keep items cold. The ice and cold packs take up valuable volume within the container and the melted water from the ice can damage items in the container.
  • Insulated drinking cups are known in the art. These cups typically hold 8-32 oz of liquid and have a handle for grasping. These cups have spaced inner and outer walls. The space between the walls may be filled with an insulating material or a liquid. The liquid is installed by the manufacture and sealed to prevent spillage. The user cannot change the quantity of liquid. The entire volume between the inner and outer walls may not be completely occupied by the liquid so as to allow for a change in volume of the liquid as its temperature changes.
  • a drawback to this type of cup is that the liquid cannot be removed and hence the weight of the cup cannot be lessened to make it easier for a user to transport or a manufacture to ship. This becomes more important as the size of the drinking cup increases. Another drawback is that these cups do not have a cover that would prevent heat loss.
  • a sealed core may also present a problem if the user wishes to heat the liquid in a microwave or similar oven.
  • a container having a space between an inner and outer core that can be filled with a removable thermal mass, preferably a readily available liquid such as water.
  • the invention is directed to a portable container for keeping items cold or hot.
  • the invention provides a container having an inner and outer core with a space between that can be filled with a liquid.
  • the liquid may chilled or frozen or alternatively heated prior to use.
  • the container also having a user removable seal to allow for removal of the liquid to reduce the container weight when not in use.
  • the cooled liquid thereafter helping to keep items in the container cool and the heated liquid helping to keep items in the container warm for an extended period of time.
  • FIG. 1 is a section view of a first exemplary container consistent with the present invention
  • FIG. 2 is a partial top view of the container of FIG. 1 taken through line 2 - 2 ;
  • FIG. 3 is a partial section view of a second exemplary container consistent with the present invention.
  • FIG. 1 shows a container 100 for holding items to be kept cold or hot.
  • the container includes a bowl 102 and a cover 104 .
  • the cover 104 may be removably securable to an upper lip of the bowl 102 .
  • the bowl 102 and the cover 104 may be made from a polymeric material, including but not limited to, polyethylene, polypropylene, polycarbonate, PVC, polyester, and ABS.
  • the bowl material is preferably translucent, and more preferably transparent.
  • the bowl 102 may have an inner wall 106 spaced from an outer wall 108 .
  • a volume 114 between the inner wall 106 and the outer wall 108 may be filled with a liquid, preferably water.
  • the bowl 102 may be formed as one piece by roto or blow molding or as two separate pieces by injection molding and then joined using ultrasonic welding.
  • the inner wall 106 may be formed thinner than the outer wall 108 to allow better heat transfer towards the item stored within the container.
  • the surface of the outer wall 108 may include a texture so the bowl feels less cold or less hot to the touch. Alternatively, a coating may be applied to the outer surface to insulate.
  • An opening to the volume 114 may provide an entry/exit port for filling or draining and may be closed by a fill cap 110 .
  • the fill cap 110 may be coupled to the bowl by a hinge 116 or a retainer (not shown) that extends into the opening.
  • the fill cap 110 may be located any where on the bowl, but is preferred on a lip parallel to the base.
  • a recess 118 in proximity to the fill cap 110 may be provided to allow a user to more easily grasp the fill cap 110 .
  • the fill cap 110 can be removed to allow the liquid to be heated, preferably by a microwave.
  • An indicia 112 may be provided on either the inner or outer wall to signal the user the suggested or maximum volume of liquid to be added.
  • the location of the opening may be situated on the bowl to prevent the volume 114 from being completely filled.
  • a float may be inserted in the volume 114 to help indicate the liquid level.
  • the container may be made in any shape including, but not limited to circular and rectangular.
  • the volume of the bowl itself may be as small as a few ounces to as large as a few gallons.
  • the bowl may also include a pair of handles for grasping.
  • FIG. 3 shows an alternative embodiment container 100 ′.
  • a threaded portion 118 may be formed around the base of the container 100 ′ and a lid 120 having cooperating threads may be coupleable to the base.
  • the lid may be securable to the base without threads. The user may remove the lid 120 to fill or drain liquid from the volume 114 ′.
  • the bowl of the present invention may be used for humans or for pets.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Birds (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

A doubled wall container is disclosed having a fill cap that allows a user to alternately add or remove a liquid from an interior volume formed between the walls of the container.

Description

    FIELD OF THE INVENTION
  • The present invention relates to portable containers and more particularly to a container with a refillable liquid core. [0001]
    • BACKGROUND OF THE INVENTION
  • Insulated cooler are known in the art. These coolers typically have spaced inner and outer walls made of a high strength plastic or metal and include a removable cover. The space between the walls is typically filled with an insulating material such as polystyrene. A drawback to this type of cooler is that a user must insert ice or a cold pack in the container to keep items cold. The ice and cold packs take up valuable volume within the container and the melted water from the ice can damage items in the container. [0002]
  • Insulated drinking cups are known in the art. These cups typically hold 8-32 oz of liquid and have a handle for grasping. These cups have spaced inner and outer walls. The space between the walls may be filled with an insulating material or a liquid. The liquid is installed by the manufacture and sealed to prevent spillage. The user cannot change the quantity of liquid. The entire volume between the inner and outer walls may not be completely occupied by the liquid so as to allow for a change in volume of the liquid as its temperature changes. A drawback to this type of cup is that the liquid cannot be removed and hence the weight of the cup cannot be lessened to make it easier for a user to transport or a manufacture to ship. This becomes more important as the size of the drinking cup increases. Another drawback is that these cups do not have a cover that would prevent heat loss. A sealed core may also present a problem if the user wishes to heat the liquid in a microwave or similar oven. [0003]
  • What is needed is a container having a space between an inner and outer core that can be filled with a removable thermal mass, preferably a readily available liquid such as water. [0004]
    • SUMMARY OF THE INVENTION
  • The invention is directed to a portable container for keeping items cold or hot. [0005]
  • In one embodiment the invention provides a container having an inner and outer core with a space between that can be filled with a liquid. The liquid may chilled or frozen or alternatively heated prior to use. The container also having a user removable seal to allow for removal of the liquid to reduce the container weight when not in use. The cooled liquid thereafter helping to keep items in the container cool and the heated liquid helping to keep items in the container warm for an extended period of time. [0006]
  • The above and other objects, feature, and advantages of the present invention will be apparent in the following detailed description thereof when read in conjunction with the appended drawings wherein the same reference numerals denote the same or similar parts throughout the several views.[0007]
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a section view of a first exemplary container consistent with the present invention; [0008]
  • FIG. 2 is a partial top view of the container of FIG. 1 taken through line [0009] 2-2; and
  • FIG. 3 is a partial section view of a second exemplary container consistent with the present invention.[0010]
    • DETAILED DESCRIPTION OF THE INVENTION
  • FIG. 1 shows a [0011] container 100 for holding items to be kept cold or hot. The container includes a bowl 102 and a cover 104. The cover 104 may be removably securable to an upper lip of the bowl 102. The bowl 102 and the cover 104 may be made from a polymeric material, including but not limited to, polyethylene, polypropylene, polycarbonate, PVC, polyester, and ABS. The bowl material is preferably translucent, and more preferably transparent.
  • The [0012] bowl 102 may have an inner wall 106 spaced from an outer wall 108. A volume 114 between the inner wall 106 and the outer wall 108 may be filled with a liquid, preferably water. The bowl 102 may be formed as one piece by roto or blow molding or as two separate pieces by injection molding and then joined using ultrasonic welding. The inner wall 106 may be formed thinner than the outer wall 108 to allow better heat transfer towards the item stored within the container. The surface of the outer wall 108 may include a texture so the bowl feels less cold or less hot to the touch. Alternatively, a coating may be applied to the outer surface to insulate.
  • An opening to the [0013] volume 114 may provide an entry/exit port for filling or draining and may be closed by a fill cap 110. The fill cap 110 may be coupled to the bowl by a hinge 116 or a retainer (not shown) that extends into the opening. The fill cap 110 may be located any where on the bowl, but is preferred on a lip parallel to the base. A recess 118 in proximity to the fill cap 110 may be provided to allow a user to more easily grasp the fill cap 110. The fill cap 110 can be removed to allow the liquid to be heated, preferably by a microwave.
  • An [0014] indicia 112 may be provided on either the inner or outer wall to signal the user the suggested or maximum volume of liquid to be added. Alternatively, the location of the opening may be situated on the bowl to prevent the volume 114 from being completely filled. Alternatively, a float may be inserted in the volume 114 to help indicate the liquid level.
  • The container may be made in any shape including, but not limited to circular and rectangular. The volume of the bowl itself may be as small as a few ounces to as large as a few gallons. The bowl may also include a pair of handles for grasping. [0015]
  • FIG. 3 shows an [0016] alternative embodiment container 100′. A threaded portion 118 may be formed around the base of the container 100′ and a lid 120 having cooperating threads may be coupleable to the base. Alternatively, the lid may be securable to the base without threads. The user may remove the lid 120 to fill or drain liquid from the volume 114′.
  • It should be understood that various features and options disclosed may be combined and are within the scope of the present invention. The bowl of the present invention may be used for humans or for pets. [0017]
  • It should be understood that, while the present invention has been described in detail herein, the invention can be embodied otherwise without departing from the principles thereof, and such other embodiments are meant to come within the scope of the present invention as defined in the following claim(s) [0018]

Claims (9)

I claim:
1. A bowl, comprising:
an inner and an outer wall defining an interior volume therebetween; and
a removable fill cap for providing liquid access to the interior volume.
2. The bowl of claim 1, wherein the fill cap is hingable secured to the bowl.
3. The bowl of claim 1, further comprising an indicia indicative of suggested volume of liquid to be added to the interior volume.
4. The bowl of claim 1, further comprising an indicia indicative of maximum volume of liquid to be added to the interior volume.
5. The bowl of claim 1, further comprising a cover removably securable to a lip formed about an upper edge of the outer wall.
6. The bowl of claim 1, wherein the inner wall is thinner than the outer wall.
7. The bowl of claim 1, wherein the outer wall comprises a texture to reduce the perceived temperature of the outer wall.
8. The bowl of claim 1, wherein the outer wall comprises an insulating coating.
9. The bowl of claim 1, wherein the bowl comprises a microwaveable polymeric material.
US10/164,675 2002-06-06 2002-06-06 Container with refillable core Expired - Fee Related US6668579B1 (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110280999A1 (en) * 2009-12-23 2011-11-17 Provo Craft And Novelty, Inc. Foodstuff Crafting Apparatus, Components, Assembly, and Method for Utilizing the Same
CN102743065A (en) * 2012-07-18 2012-10-24 山东轻工业学院 Bowl for children
JP2014064761A (en) * 2012-09-26 2014-04-17 Wakaizumi Shitsuki Kk Tableware with transparent lid
US20150118377A1 (en) * 2010-07-28 2015-04-30 Julian A. Devlin Heat exchange apparatus and method
US20160165839A1 (en) * 2014-12-10 2016-06-16 Steven Scaba Dog bowl having an indented area to permit a covering to removably attach
WO2017173002A1 (en) * 2016-03-29 2017-10-05 Weinstein Randy H Hot or cold storage container for perishables
CN107595042A (en) * 2017-09-13 2018-01-19 张家港市大能塑料制品有限公司 A kind of plastic insulation bowl
US20190343070A1 (en) * 2017-05-15 2019-11-14 Ashish Padia Immovable pet bowl and a method of fabricating thereof

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US7051730B2 (en) * 2003-08-12 2006-05-30 Amos Lin Portable heat exchanging device
BRPI0618256B1 (en) * 2005-11-03 2018-06-26 Strategic Solutions International, Llc ISOLATED BOTTLE CONTAINER AND METHOD FOR MANUFACTURING AN ISOLATED BOTTLE CONTAINER
NZ553960A (en) 2007-03-20 2010-03-26 Say Systems Ltd Water bowl
KR100929764B1 (en) * 2007-09-01 2009-12-03 김용근 Cooling vessel to prevent freezing and deformation
US20090178434A1 (en) * 2008-01-15 2009-07-16 Demirjian George C Food serving system
US20100102057A1 (en) * 2008-10-29 2010-04-29 Gate Gourmet, Inc. Reusable container
EP2389063B1 (en) * 2009-01-20 2012-10-24 F. Hoffmann-La Roche AG Cryogenic container
CA2763542C (en) 2009-07-03 2014-04-29 Construction Yves Lachance Inc. Refrigerating assembly
US8474649B1 (en) * 2010-02-08 2013-07-02 Susan Wood Migliozzi Ice cream serving bowl

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US3413820A (en) * 1966-09-26 1968-12-03 Glacier Ware Inc Supreme service assembly
US4306424A (en) * 1980-01-25 1981-12-22 Winston Chavoor Cold plate
US4981234A (en) * 1989-02-06 1991-01-01 Kreme Kool, Inc. Food container
US5231850A (en) * 1991-12-05 1993-08-03 Richard Morris Cooler container
US5345784A (en) * 1993-06-01 1994-09-13 Bazemore Gertrude R Salad bowl having a refrigerant chamber
US6101974A (en) * 2000-01-27 2000-08-15 Frohlich; Francine P. Combination pet water bottle and bowl

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110280999A1 (en) * 2009-12-23 2011-11-17 Provo Craft And Novelty, Inc. Foodstuff Crafting Apparatus, Components, Assembly, and Method for Utilizing the Same
US11311024B2 (en) 2009-12-23 2022-04-26 Cricut, Inc. Foodstuff crafting apparatus, components, assembly, and method for utilizing the same
US20150118377A1 (en) * 2010-07-28 2015-04-30 Julian A. Devlin Heat exchange apparatus and method
US9480362B2 (en) * 2010-07-28 2016-11-01 Julian A. Devlin Heat exchange apparatus and method
CN102743065A (en) * 2012-07-18 2012-10-24 山东轻工业学院 Bowl for children
JP2014064761A (en) * 2012-09-26 2014-04-17 Wakaizumi Shitsuki Kk Tableware with transparent lid
US20160165839A1 (en) * 2014-12-10 2016-06-16 Steven Scaba Dog bowl having an indented area to permit a covering to removably attach
WO2017173002A1 (en) * 2016-03-29 2017-10-05 Weinstein Randy H Hot or cold storage container for perishables
US20190343070A1 (en) * 2017-05-15 2019-11-14 Ashish Padia Immovable pet bowl and a method of fabricating thereof
CN107595042A (en) * 2017-09-13 2018-01-19 张家港市大能塑料制品有限公司 A kind of plastic insulation bowl

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