EP1220800B1 - Thermisch isolierter behälterdeckel - Google Patents

Thermisch isolierter behälterdeckel Download PDF

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Publication number
EP1220800B1
EP1220800B1 EP00969364A EP00969364A EP1220800B1 EP 1220800 B1 EP1220800 B1 EP 1220800B1 EP 00969364 A EP00969364 A EP 00969364A EP 00969364 A EP00969364 A EP 00969364A EP 1220800 B1 EP1220800 B1 EP 1220800B1
Authority
EP
European Patent Office
Prior art keywords
container
lid
thermally insulated
port
rotary
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.)
Expired - Lifetime
Application number
EP00969364A
Other languages
English (en)
French (fr)
Other versions
EP1220800A1 (de
Inventor
Vijay Mukund Hindustan Lever Research Centre NAIK
Varkey Berty Hindustan Lever Ltd Brookefield JACOB
Vijay Hindustan Lever Research Centre RAMAKRISHNAN
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.)
Unilever PLC
Unilever NV
Original Assignee
Unilever PLC
Unilever NV
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
Application filed by Unilever PLC, Unilever NV filed Critical Unilever PLC
Publication of EP1220800A1 publication Critical patent/EP1220800A1/de
Application granted granted Critical
Publication of EP1220800B1 publication Critical patent/EP1220800B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B65D81/3813—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 being in the form of a box, tray or like container
    • B65D81/3818—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 being in the form of a box, tray or like container formed with double walls, i.e. hollow

Definitions

  • the present invention relates to a container cover with port. It particularly relates to the design of a lid assembly suitable for adapting to an insulated container for maintaining the contents below 10°C, even while the container is opened frequently at high ambient temperatures while providing for convenient loading of and easy accessibility to the contents. It also relates to a container equipped with such lid.
  • US 5743427 discloses a lid of a container with a discharge aperture in the lid to allow the consumption of a drink through the lid but the discharge aperture area is designed only for fluid food stuffs.
  • WO 9925622 provides a container with a reclosable discharge aperture for food stuffs in particular frozen foods and confections. This invention does not solve the problem of prolonged storage of material under conditions of repeated exposure to high temperature e.g. during vending of foodstuff.
  • a purpose of the present invention is to design a lid assembly for an insulated container provided with economical amounts of the cooling system that allows convenient loading and easy and frequent retrieval of the contents while maintaining the temperature of the contents below 10°C for long enough time periods.
  • It is a first object of the present invention to provide a thermally insulated lid assembly for an insulated container comprising a thermally insulated rotary lid capable of sealing the opening of the inner cavity of the container adapted to hold the objects to be stored therein, the said rotary lid being provided with at least one eccentrically positioned retrieval port and a thermally insulated plug for the said port.
  • the rotary lid can rotate around one axis or more than one.
  • the rotary lid rotates around one axis.
  • the lid assembly is seated on and rotates over a circular opening of the container leading to the inner storage cavity. The rotation of the lid is facilitated by providing advantageous features such as smooth contact surfaces, lubrication, guided ball bearings in a channel, etc.
  • the rotary lid is provided with a fixed or detachable cooling arrangement such as one or more eutectic pads etc.
  • the face of the rotary lid on the inner cavity side can be provided with cooling means such as eutectic/coolant pads and devices to hold them in place. This allows for a further cooling capacity within the container while, in the prior art, where lids, when opened, show the whole container opening, it is not possible to have additional cooling means beneath the lid.
  • the retrieval port provided in the rotary lid is located eccentrically in order to maximise the area swept by the port over the storage cavity and hence provide a better view of the contents and facilitate access to the specific item from the storage cavity.
  • the plug of the port is opened to retrieve the contents during vending.
  • the port can be of any geometrically regular shape such as circular, oval, square, rectangular, triangular or any other irregular shape.
  • the area of the port with respect to the lid is less than 40%, preferably less than 25%, even more preferably less than 10%.
  • the plug may be free, hinged, flippable or otherwise fastened to the rotary lid or the outer part of the container.
  • the lid is transparent. This allows for seeing the inside of the container and rotating the lid in order to have the port above the product to be taken out.
  • the insulated storage container may be designed to have any suitable shape such as a parallelopiped, cube, sphere, cylinder or other attractive geometry.
  • the container can be employed in the horizontal position with the major dimension parallel to the ground or in the vertical position with the major dimension perpendicular to the ground.
  • the mouth and lid can be placed on top of the container or on any of its sides.
  • the container, rotary lid and the plug for the port may be made from any suitable material capable of withstanding low temperatures.
  • suitable materials of construction are low carbon steel, stainless steel, galvanised iron, aluminium, polymeric materials such as high/medium/low density polyethylene, linear low density polyethylene, polyvinyl chloride, polycarbonate, polyester, thermally insulating foams such as polyurethane foam and expanded polystyrene foam etc.
  • the container, rotary lid and the plug of the port can be thermally insulated using polyurethane foam, expanded polystyrene foam, vacuum superinsulation, glass wool, vacuum panels containing powder or open cell polyurethane foam or any other suitable material known in the art.
  • the preferred mode of thermal insulation for the container is multilayer vacuum superinsulation.
  • the vacuum in the annular space between the outer envelope and inner cavity is preferably of the order of 500 Pa or lower.
  • materials such as open cell polyurethane foam, speciality silica, multi-layered sheets of low thermal emmissivity alternating with low thermal conductivity spacer materials etc. may be provided to enhance structural integrity and/or minimise radiative heat transfer.
  • the preferred materials are multi-layered foils of aluminium spaced with thermal insulator or aluminised mylar films.
  • the preferred thermal insulation for the outer rotary lid and the plug to the port is by using polyurethane foam, expanded or extruded polystyrene foam.
  • the insulated container is provided with additional cooling means and preferably a coolant with a heat absorption capacity of >50 joules/gram in the temperature range of 10°C and -80°C.
  • a suitable coolant for the container as well as the rotary lid can be particles of dry ice.
  • sealed pads containing different coolants as specified above can be in the form of bags, arrays of ampoules, bottles, blocks, sachets, blister packs etc. to serve as "coolant batteries" for this purpose.
  • the coolant within the pads may be partially or fully frozen at a low enough temperature.
  • the pads may be loose filled or they can be stacked along the inner surface of the container using a retainer device to improve accessibility of the stored food articles.
  • the coolant pads may also be attached to the surface under the rotary lid.
  • the cooling surface may be provided in the form of pads or jackets fixed to the inner cavity of the container and cooled/frozen in place using primary refrigeration liquid such as R-12, CARE-30 circulated through conduits of appropriate design attached to the coolant pads/jackets.
  • the source of primary refrigerant may be attached to the container or may be located separately and coupled to the container as and when required.
  • the sealed jackets/pads fixed to the inner vessel may be cooled using secondary refrigerant brines such as aqueous solutions of freezing point depressants or eutectic mixtures of salts in water circulated through conduits of appropriate design.
  • the source of circulating secondary refrigeration brines may be attached to the container or may be located externally and coupled to the container as and when required.
  • the inner cavity of the container may be cooled directly employing primary refrigerant liquid such as R-12, CARE - 30 etc. circulated in coils/jackets/conduits of appropriate design.
  • the source of primary refrigerant may be attached to the container or may be located separately and coupled to the container as and when required.
  • the inner cavity of the container may be cooled using secondary refrigerant brines such as aqueous solutions of freezing point depressants or eutectic mixtures of salts in water circulated through coils/jackets/conduits of appropriate design.
  • the source of circulating secondary refrigeration brines may be attached to the container or may be located externally and coupled to the container as and when required.
  • the coolant jackets and pads and conduits can be made from suitable material of construction capable of withstanding low temperatures.
  • suitable material of construction capable of withstanding low temperatures.
  • the examples of such materials have been described above. It can be in the form of single unit packs or as detachable/removable units of varying form, shape and size. They can be in the form of discrete arrays of ampoules, capsules or blister packs which are preferably flexible yet self standing when placed in position. They can also be in the form of continuous mats of interconnected blister packs, ampoules or capsules.
  • the container was double walled with walls (wl and w2).
  • the inner vessel forming the internal cavity (IC) and the outer envelope (OE) were made from aluminium alloy sheet, 3mm thick.
  • the inner vessel had a diameter of 460mm and height of 470mm.
  • the outer envelope had a diameter of 540mm and height of 645mm.
  • the volume of the inner cavity was 75 litres and the empty weight was 30.0kg.
  • the annular space (AS) between the inner vessel and outer envelope was evacuated to a vacuum of - 1.33 X 10 -4 Pa. Additionally, multi-layered sheets of aluminium alternating with paper were provided to minimise radiative heat transfer. Zirconium "getters" to scavenge gases were also provided in the annular space in order to prolong service life, and minimise heat ingress.
  • the cooling medium was provided in the form of pads filled with a eutectic coolant at -23°C in the inner storage cavity.
  • the freezing/melting temperature of the eutectic coolant was ⁇ -23°C with a heat absorption capacity of - 230 Joules/gram.
  • the opening (O) was circular in cross section, located on top of the container and comprised of fibre reinforced plastic neck (N) and a circular aluminium ring (AR) at the top.
  • the diameter of the mouth was 450mm.
  • FIG 2 shows a schematic view of the rotary lid assembly and plug to the port.
  • the rotary lid (RL) forming the lid was constructed of linear low density polyethylene and insulated with polyurethane foam (TI) of density 40kg per cubic metre.
  • the top plate (TP) of the rotary lid rests on the aluminium ring (AR as in Figure 1) and can be rotated in place.
  • the insulation thickness in the lid was 125mm.
  • the lid was provided with a square port (P) of side 180mm.
  • the plug (PL) of the port was constructed of linear low density polyethylene and insulated with polyurethane foam (TI) of density 40kg per cubic metre.
  • the insulation thickness in the plug was 125mm.
  • the rim of the opening of the inner cavity and the lid were polished smoothly to minimise friction and allow easy rotation of the lid.
  • Two handles (H1 and H2) were provided on the outer rotary lid and one handle (H3) on the plug to the port.
  • the weight of the port plug with handle was 0.5kg and the weight of the entire rotary lid assembly was 3.0kgs.
  • the containers were pre-cooled from the ambient temperature of 30°C to a temperature of ⁇ -20°C by loading 2.0kg of pre-frozen pads containing eutectic coolant at -23°C described above.
  • Table 2 lists the design features of the lids on the above containers. Design and Constructional features of lid Placement of Coolant Limitations on coolant placement Container 1 1.5kg below lid 1.5kg at bottom of container None Container 2 3.0kg at bottom of container Cannot be placed below lid since the coolant would be exposed to high ambient temperature frequently. Container 3 3.0kg at bottom of container Cannot be placed below lid since there are six ports in the lid.
  • the insulated container with a rotating lid and port is convenient to use, provides easy accessibility and clear visibility of the contents and can preserve ice creams below the desired temperature for a longer time as compared to the other containers.
  • the proposed lid assembly as described above has several advantages over the conventional designs. These are:

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Table Devices Or Equipment (AREA)
  • Closures For Containers (AREA)

Claims (7)

  1. Wärmeisolierte Deckelanordnung für einen isolierten Behälter mit einem wärmeisolierten Drehdeckel (RL), mit welchem eine Öffnung eines Innenhohlraums (IC) des Behälters, der zum Halten von darin aufbewahrten Gegenstände ausgelegt ist, verschließbar ist, wobei der Drehdeckel (RL) mit mindestens einer exzentrisch positionierten Bereitstellungsöffnung und einem wärmeisolierten Stopfen für diese Öffnung versehen ist.
  2. Wärmeisolierte Deckelanordnung nach Anspruch 1, wobei die Fläche der Öffnung in Bezug auf den Deckel (RL) weniger als 40%, vorzugsweise weniger als 25%, beträgt.
  3. Wärmeisolierte Deckelanorndung nach Anspruch 1, wobei der Deckel (RL) durchsichtig ist.
  4. Wärmeisolierter Behälter, welcher einen wärmeisolierten Drehdeckel (RL) umfasst, mit welchem eine Öffnung eines Innenhohlraums (IC) des zum Halten von darin gelagerten Gegenständen ausgelegten Behälters verschließbar ist, wobei der Drehdeckel (RL) mit mindestens einer exzentrisch positionierten Bereitstellungsöffnung und mit einem wärmeisolierten Stopfen (PL) für diese Öffnung versehen ist.
  5. Wärmeisolierter Behälter nach Anspruch 4, wobei die Fläche der Öffnung in Bezug auf den Deckel (RL) weniger als 40%, vorzugsweise weniger als 25%, beträgt.
  6. Wärmeisolierter Behälter nach Anspruch 4, wobei der Deckel (RL) durchsichtig ist.
  7. Wärmeisoierter Behälter nach Anspruch 4, wobei die Fläche des Drehdeckels (RL) an der Innenhohlraum-Seite mit Kühlmitteln versehen ist.
EP00969364A 1999-10-15 2000-09-27 Thermisch isolierter behälterdeckel Expired - Lifetime EP1220800B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IN707BO1999 1999-10-15
INBO070799 1999-10-15
PCT/EP2000/009593 WO2001028886A1 (en) 1999-10-15 2000-09-27 Thermally insulated container cover

Publications (2)

Publication Number Publication Date
EP1220800A1 EP1220800A1 (de) 2002-07-10
EP1220800B1 true EP1220800B1 (de) 2004-08-11

Family

ID=11080263

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00969364A Expired - Lifetime EP1220800B1 (de) 1999-10-15 2000-09-27 Thermisch isolierter behälterdeckel

Country Status (13)

Country Link
EP (1) EP1220800B1 (de)
AT (1) ATE273203T1 (de)
AU (1) AU752195B2 (de)
BR (1) BR0014785A (de)
CA (1) CA2387448A1 (de)
DE (1) DE60012955T2 (de)
ES (1) ES2225232T3 (de)
IL (1) IL149117A (de)
MX (1) MXPA02003738A (de)
PT (1) PT1220800E (de)
TR (1) TR200201016T2 (de)
WO (1) WO2001028886A1 (de)
ZA (1) ZA200202898B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10314799A1 (de) * 2003-04-01 2004-10-14 Dieter Kellerstrass Thermo-Speisetransportbehälter
CN107054901B (zh) * 2017-01-25 2018-05-01 赵琦 一种带有速溶饮料的方便食品
US10968029B1 (en) 2017-08-17 2021-04-06 Yeti Coolers, Llc Container and lid
USD839055S1 (en) 2017-08-17 2019-01-29 Yeti Coolers, Llc Container
USD839056S1 (en) 2017-08-17 2019-01-29 Yeti Coolers, Llc Container
USD839054S1 (en) 2017-08-17 2019-01-29 Yeti Coolers, Llc Container
USD856748S1 (en) 2017-08-17 2019-08-20 Yeti Coolers, Llc Lid
USD885903S1 (en) 2018-04-11 2020-06-02 Yeti Coolers, Llc Lid
USD888508S1 (en) 2018-04-11 2020-06-30 Yeti Coolers, Llc Container
USD887793S1 (en) 2018-04-11 2020-06-23 Yeti Coolers, Llc Container
USD888509S1 (en) 2018-04-11 2020-06-30 Yeti Coolers, Llc Container
USD878166S1 (en) 2018-04-11 2020-03-17 Yeti Coolers, Llc Container
USD878163S1 (en) 2018-04-11 2020-03-17 Yeti Coolers, Llc Container

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR727859A (fr) * 1931-12-04 1932-06-25 Pot pour le transport du lait
GB770275A (en) * 1954-06-09 1957-03-20 British Vacuum Flask Company L Improvements in the construction of jugs
US4024731A (en) * 1975-10-31 1977-05-24 Gott Mfg. Co., Inc. Insulated container with refreezable lid-mounted bottle
US5316193A (en) * 1991-01-24 1994-05-31 Heiberger Robert A Bottle with reflective barrier layer for reducing electromagnetic energy transfer
NL1002629C2 (nl) * 1996-03-15 1997-09-17 Maverick B V Projektinrichting Transportkist voor sublimerende vaste stoffen.

Also Published As

Publication number Publication date
MXPA02003738A (es) 2002-08-30
AU752195B2 (en) 2002-09-12
EP1220800A1 (de) 2002-07-10
ES2225232T3 (es) 2005-03-16
ATE273203T1 (de) 2004-08-15
IL149117A (en) 2005-12-18
IL149117A0 (en) 2002-11-10
CA2387448A1 (en) 2001-04-26
TR200201016T2 (tr) 2002-06-21
DE60012955T2 (de) 2005-01-20
BR0014785A (pt) 2002-06-11
PT1220800E (pt) 2004-11-30
ZA200202898B (en) 2003-04-14
DE60012955D1 (de) 2004-09-16
AU7911300A (en) 2001-04-30
WO2001028886A1 (en) 2001-04-26

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