EP3145362B1 - Lunchbox - Google Patents

Lunchbox Download PDF

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Publication number
EP3145362B1
EP3145362B1 EP15730851.1A EP15730851A EP3145362B1 EP 3145362 B1 EP3145362 B1 EP 3145362B1 EP 15730851 A EP15730851 A EP 15730851A EP 3145362 B1 EP3145362 B1 EP 3145362B1
Authority
EP
European Patent Office
Prior art keywords
shell
lunchbox
lower shell
upper shell
heating element
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.)
Active
Application number
EP15730851.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3145362A1 (de
Inventor
Fabian GRAF
Pascal MOGY
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.)
Faitron AG
Original Assignee
Faitron AG
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 Faitron AG filed Critical Faitron AG
Publication of EP3145362A1 publication Critical patent/EP3145362A1/de
Application granted granted Critical
Publication of EP3145362B1 publication Critical patent/EP3145362B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D81/34—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 for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • B65D81/3476—Packages provided with an electrical circuit, e.g. resistances, for heating the contents
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C11/20—Lunch or picnic boxes or the like
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/005—Hinges
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/008—Details; Accessories for making water- or air-tight
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/16—Non-removable lids or covers hinged for upward or downward movement
    • B65D43/163—Non-removable lids or covers hinged for upward or downward movement the container and the lid being made separately
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/22—Devices for holding in closed position, e.g. clips
    • 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
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/02—Collars or rings
    • 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
    • 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
    • B65D81/3823—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 of different materials, e.g. laminated or foam filling between walls

Definitions

  • the present invention relates to a lunch box for storing, transporting and heating foods, in particular food prepared for consumption.
  • Snack boxes for storing and transporting food consumed on the move or at work have been in use for many decades.
  • Two-piece metal or plastic cans with hinged lid or with attachable lid with large base for a main meal or with overlapping, about the same size upper and lower part for breads oa
  • one or two-part disposable containers mostly made of foam in use, usually to offer ready-to-eat portions of fruits, vegetables or ready meals.
  • the folding container consists of an upper shell and a lower shell, which are hinged together on one longitudinal side. At the opposite Long side a snap closure is provided.
  • the upper shell is with an upper inner cover and the lower shell with. provided a lower inner lid, so that the two inner volumes are completely and independently closed.
  • the articulation of the inner lid opposite side of a lid closure in the form of a latch in the upper shell and the lower shell is provided in each case.
  • Another plastic lunch box for storing food is in the DE 10157494 B4 disclosed. It consists of a container with side walls, a bottom and a molded lid. On the underside of the container, an additional chamber is arranged, which can be closed with an additional cover. Lid and additional lid are connected via a film hinge with the container.
  • Another container with lid for storing food contains an exothermic heating element according to EP 0412159 B1 ,
  • the container comprises an upper inner container for the materials to be heated and a lower inner container underneath containing water and an exothermic material, the lower inner container being provided with a cover.
  • the container further comprises an externally operable means for contacting the exothermic material with the water.
  • the cover of the lower inner container is vapor permeable but impermeable to the exothermic material.
  • a portable lunchbox is from the WO 2011/112284 A1 known.
  • the lunch box comprises an upper shell and a lower shell, which are hinged together on one longitudinal side, wherein on the opposite longitudinal side a closure is provided.
  • a pivotable separating shell is provided, so that an upper and a lower chamber for receiving food products are formed.
  • a shell can be used, which can be further loaded with a cooling or warming gel to temporarily hold a certain temperature of food can.
  • the GB 2056264 A shows a conventional lunch box to keep food warm for use in kitchens or catering with a lid hinged by hinged to the box and can be locked by means of safety gear.
  • a power connection is provided, wherein the heating element is a koventionerbare heating wire, which allows only a heating of the food from below.
  • heated lunch box is in the lower shell a, with an attachable lid lockable inner container can be used.
  • the lower shell is provided with a power connection for a heating element in the lower shell, which is arranged in an insulating layer of foam. The heatability of food in the inner container is limited resp. lengthy.
  • the invention is based on the object to provide a lunch box that overcomes the disadvantages of the prior art and that is easy to handle.
  • the object is achieved according to the invention with a lunch box with the features of claim 1.
  • the lunch box according to the invention is suitable for storing, transporting and heating foods, in particular ready-to-eat foods. It can be used flexibly.
  • a lunchbox 30 (FIG. Fig. 1 . 2 ) comprises an upper shell 1 and a lower shell 2, each made of plastic and / of the metal, for example polypropylene (PP), wherein the upper shell 1 acts as a lid and compared to the lower shell 2 is substantially flatter.
  • the upper shell 1 and the lower shell 2 are hinged together on one longitudinal side by means of integrally molded film hinge 3, wherein, instead of the film hinge 3 and a hinge joint which is attached to the upper and lower shell, or the like is possible.
  • the upper shell 1 could be opened against the film hinge and it would also be easier to replace than a film hinge.
  • the film hinge 3 opposite longitudinal side a snap closure 4 (or snap closure) is provided.
  • Upper shell 1 and lower shell 2 lie flat in the dividing plane 22 and overlap each other with a projection 21 of the upper shell 1.
  • the height of the lower shell 2 is in the example a multiple of the height of the upper shell 1, at least one and a half times.
  • a power connector socket 5 is provided, which may be in the form of conventional plug as well as a USB port. Alternatively or additionally, such a power connector socket 5 may also be provided in the upper shell 1.
  • an LED 6 is also arranged as a status indicator (heating) and start button.
  • pressure compensation element 7 is attached in the upper shell 1 .
  • the peripheral edge regions 8 ( Fig. 3 ) of upper shell 1 and lower shell 2 are correspondingly designed such that they act as a seal resp. can receive a sealing element 9. This sealing element is inserted in a groove 10 near the edge of the lower shell 2.
  • Part of the lunch box 30 is still a shell 11 for receiving the food to be heated.
  • the shell 11 is formed, for example, of an aluminum material having a thickness of 0.5 mm and arranged in the lower shell 2.
  • the shell 11 has an encircling molded and L-shaped angled edge region. By means of the smaller leg 24 of the edge region, the shell 11 is mounted in the groove 10 of the lower shell 2.
  • a groove 23 is also formed, in which a seal 12, for example, an O-ring is inserted.
  • the shell 11 is additionally fixable in position by means of locking cams 16, 18 and / or click connections in the lower shell 2.
  • the lower shell near the wall at least two spaced steles 19, which are provided at the upper end with a locking cam 18 ( Fig. 4, 5 ).
  • a locking cam 18 ( Fig. 4, 5 ).
  • On the steles 19 but could also be a latching element with a locking cam mounted, in which the steles 19 would be formed without locking cams 18 in this embodiment.
  • These locking cams 18 of the locking element press against the formed on the shell 11 locking cam 16, so that the shell 11 is fixed in position.
  • the shell 11 can be easily removed from the lower shell 2 for cleaning or other purposes. Instead of this type of attachment, an arrangement of the shell 11 by means of adhesive bond would also be possible. In this case, the sealing element 9 could be omitted.
  • the shell 11 and the lower shell 2 are adapted in their design and shape together. coordinated with each other, for example by means of the locking cam 16 and shape-responsive counter-elements of the shell 11.
  • the shell 11 can be used resp. be used in the lower shell 2.
  • nubs 25, a latching element or a guide rail can be provided to specify the shell shape used. By a precise fit on these nubs 25, the shell 11 is held in position and can not be used vice versa (security feature).
  • the knobs 25 also serve for easy replacement of the shell 11, to ensure that the shell 11 is always used properly.
  • As a further security element could be mounted in the edge region of the lower shell 2 under tension standing positioning grid 20, positioning pickup or the like, which hold the shell 11 in position. they offer the possibility of possibly also in the side region of the lower shell 2 to attach a further guide rail.
  • thermal insulation 14 for example, provided from a polyurethane integral foam, between which and the shell 11 is still a heating element 15 is mounted with a heating foil.
  • the thermal insulation 14 could also be formed from a Keraguss S molded part, an airgel molded part or an EPS molded part.
  • Thermal insulation 14 and heating foil 15 can cover the bottom area of the shell 11 ( Fig. 5 ) or preferably even the side walls of the shell 11 at least up to the locking cam 16 border resp. enclose ( Fig. 4 ).
  • the inside of the upper shell 1 may be provided with such a thermal insulation 14 and a heating element 15.
  • the control electronics 17 is arranged on a flat circuit board, which in turn is inserted in a space-saving manner on the inner wall of the lower shell 2 ( Fig. 5 ).
  • the control electronics 17 includes the electronic control, a safety circuit, a load switch and a power supply.
  • the electronic control should have at least one temperature sensor, one Heater switch, the start-stop switch and the output for the LED 6 include.
  • the electronic control can also allow different heating modes, for example, bottom and / or top heat.
  • the heating element 15 consists in a conventional manner of a metallic heating foil which is embedded between two silicone layers for electrical insulation.
  • Kapton heating foils polyester heating foils or contact heating elements.
  • the power supply can be 5V to 240V, including usual tolerances. For example, with 5V or 12V DC no special safety measures would have to be provided.
  • the shell 11 For a 230V DC version, the shell 11 would either be grounded or the aforementioned double electrical insulation would be required.
  • the connection variants the current carrying capacity, temperature and resistance to cleaning agents must be observed.
  • the electrical connections are waterproof.
  • the heating power of the heating foil 15 should be at least about 20-150W, to allow heating of the food in case of need up to about 140 ° C. Depending on the food, smaller or larger heat outputs may also be permissible, the values also being dependent on whether a heating element is only in the lower shell 2 or also in the upper shell 1 is provided.
  • a heating element When a heating element is arranged in the upper shell 1, its heating power is normally lower than in the lower shell 2.
  • the lunch box is connected to the power source to heat a food and the start button, the LED 6 is pressed.
  • the LED 6 signals by lighting the heating process over a pre-set in the control electronics 17 period. After the end of the heating period, the control electronics switch off the heating foil, the LED 6 goes out. Other operating modes can be programmed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Packages (AREA)
EP15730851.1A 2014-05-21 2015-05-19 Lunchbox Active EP3145362B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00773/14A CH709678A2 (de) 2014-05-21 2014-05-21 Lunchbox zum Aufbewahren, zum Transport und zum Erwärmen von Lebensmitteln.
PCT/IB2015/053684 WO2015177726A1 (de) 2014-05-21 2015-05-19 Lunchbox

Publications (2)

Publication Number Publication Date
EP3145362A1 EP3145362A1 (de) 2017-03-29
EP3145362B1 true EP3145362B1 (de) 2019-08-21

Family

ID=53476937

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15730851.1A Active EP3145362B1 (de) 2014-05-21 2015-05-19 Lunchbox

Country Status (17)

Country Link
US (1) US10737869B2 (enExample)
EP (1) EP3145362B1 (enExample)
JP (1) JP2017516613A (enExample)
KR (1) KR102289148B1 (enExample)
CN (1) CN107072367A (enExample)
AU (1) AU2015262963A1 (enExample)
BR (1) BR112016027117B1 (enExample)
CA (1) CA2949611A1 (enExample)
CH (1) CH709678A2 (enExample)
EA (1) EA035997B1 (enExample)
ES (1) ES2756724T3 (enExample)
MA (1) MA39830A1 (enExample)
MX (1) MX2016015213A (enExample)
MY (1) MY172575A (enExample)
UA (1) UA120759C2 (enExample)
WO (1) WO2015177726A1 (enExample)
ZA (1) ZA201607961B (enExample)

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EP4458710A4 (en) * 2022-10-31 2025-12-31 Logipack Inc TRANSPORT BOX

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US9139352B2 (en) 2014-02-07 2015-09-22 Yeti Coolers, Llc Insulating container
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USD934636S1 (en) 2014-09-08 2021-11-02 Yeti Coolers, Llc Insulating device
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USD802373S1 (en) 2016-02-05 2017-11-14 Yeti Coolers, Llc Insulating device
CN117243455A (zh) 2016-02-05 2023-12-19 野醍冷却器有限责任公司 绝热装置
US12012274B2 (en) 2016-02-05 2024-06-18 Yeti Coolers, Llc Insulating device backpack
USD801123S1 (en) 2016-02-05 2017-10-31 Yeti Coolers, Llc Insulating device
USD805851S1 (en) 2016-06-01 2017-12-26 Yeti Coolers, Llc Cooler
EP3313174A4 (en) * 2016-07-14 2019-02-27 Rolane Christian Grinnell PORTABLE PET FEEDER AND SUPPLY MEMORY DEVICE
CH712690A2 (de) 2016-07-15 2018-01-15 Faitron Ag Mealbox.
CH713295A2 (de) 2016-12-28 2018-06-29 Faitron Ag Lunchgefäss.
USD829244S1 (en) 2017-04-25 2018-09-25 Yeti Coolers, Llc Insulating device
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JP7469315B2 (ja) 2018-09-28 2024-04-16 ネクセニック アーゲー ポータブルランチボックス
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USD902587S1 (en) * 2020-01-18 2020-11-24 Dengfeng Zhu Case
USD943409S1 (en) * 2021-01-05 2022-02-15 Guobin Ding Storage box
EP4042916A1 (de) 2021-02-12 2022-08-17 Nexenic AG Portable lunchbox
PL4297608T3 (pl) * 2021-02-26 2025-03-31 Faitron Ag Pudełko na posiłek
USD1005803S1 (en) * 2021-03-18 2023-11-28 MyDabba Inc. Electric heated lunch box
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CN114044263A (zh) * 2021-12-02 2022-02-15 达坦能源科技（上海）有限公司 一种带自检测功能的随钻测量仪器仪器箱
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UA120759C2 (uk) 2020-02-10
CH709678A2 (de) 2015-11-30
EP3145362A1 (de) 2017-03-29
MY172575A (en) 2019-12-03
US10737869B2 (en) 2020-08-11
US20170137205A1 (en) 2017-05-18
KR102289148B1 (ko) 2021-08-17
MA39830A1 (fr) 2018-02-28
EA201692362A1 (ru) 2017-04-28
MX2016015213A (es) 2017-05-04
EA035997B1 (ru) 2020-09-10
BR112016027117A2 (enExample) 2017-08-15
JP2017516613A (ja) 2017-06-22
ES2756724T3 (es) 2020-04-27
CA2949611A1 (en) 2015-11-26
AU2015262963A1 (en) 2016-12-08
ZA201607961B (en) 2017-09-27
WO2015177726A1 (de) 2015-11-26
CN107072367A (zh) 2017-08-18
BR112016027117B1 (pt) 2022-06-28
KR20170010363A (ko) 2017-01-31

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