EP3145362A1 - Lunchbox - Google Patents

Lunchbox

Info

Publication number
EP3145362A1
EP3145362A1 EP15730851.1A EP15730851A EP3145362A1 EP 3145362 A1 EP3145362 A1 EP 3145362A1 EP 15730851 A EP15730851 A EP 15730851A EP 3145362 A1 EP3145362 A1 EP 3145362A1
Authority
EP
European Patent Office
Prior art keywords
shell
lunch box
box according
lower shell
upper shell
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.)
Granted
Application number
EP15730851.1A
Other languages
German (de)
French (fr)
Other versions
EP3145362B1 (en
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/en
Application granted granted Critical
Publication of EP3145362B1 publication Critical patent/EP3145362B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 Aufbewah s, for the transport and heating of food, especially prepared for consumption foods.
  • one- or two-part disposable surfaces are usually offered for ready-to-eat portions of fruit, vegetables or prepared meals,
  • a folding container which is designed so that when unfolding an upper shell no objects can fall out, the folding container consists of an upper shell and a lower shell, which are hinged together on one longitudinal side. At the overlapping longitudinal side is provided a snap closure.
  • the upper shell is with an upper inner lid and the Un ⁇ terschale with. provided with a lower inner lid, so that the two inner oIumen are fully 'and independently verseh1iesshar.
  • a further plastic lunch box for storing food is disclosed in DE 10157494 B4. 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 lids are connected to the container via a film hinge.
  • Another container with lid for storing food contains ei exothermic heating element according to EP 0412159 Bl,
  • the container comprises an upper inner container for the to be heated: Ma.teria.lien and an underlying lower inner container containing water and an exothermic material, wherein the lower inner container is provided with a cover.
  • the container further comprises an externally operable device for contacting the exothermic mate ⁇ rials with the water.
  • the covering of the lower réellebenzol- ters is vapor-permeable but impermeable to the exother ⁇ me material.
  • the water and the exothermic material are in separate bags that can be torn open separately.
  • the Lunchbox unitude portable and heated lunch box is also known.
  • the Lunchbox unitudet an upper shell and a lower shell, which are hinged together on one longitudinal side, wherein on the opposite longitudinal side Ver ⁇ circuit is provided.
  • the lower shell is a, with an attachable lid lockable inner container can be used.
  • recesses are formed a ⁇ for a flatware.
  • the lower shell is provided with a power connection for a heating element in the lower shell, which is arranged in a Isola ⁇ tion layer of foam.
  • the speed of ärmbar- He located in the inner container Lebensmi stuffs is be ⁇ borders respectively. lengthy.
  • the invention is based on the object to provide a lunch box that overcomes the Machmaschine of the prior art and is easy to handle.
  • the task is. erfi kungsge SSE with a lunch box with the features of claim I solved.
  • the erfindungsgernässe lunch box is for storage. ,, to. Transportation and heating of food, especially of ready-to-eat foods. It can be used flexibly.
  • FIG. 1 shows a lunch box according to the invention
  • FIG. 2 shows the lunch box according to FIG. 1 in a different representation
  • Fig. 3 the lunch box of Figure 1, opened.
  • Fig. 4 the lunch box of Figure 1 in section.
  • Fig. 5 the. Lunch box according to FIG. 4
  • FIG. 6 shows details of the lunch box according to FIG. 4.
  • a lunch box 30 (FIGS. 1, 25) which is suitable for the invention comprises an upper shell 1 and a lower shell 2, in each case made of plastic and / or metal, for example polypropylene (P), wherein the upper shell 1 acts as a lid and substantially in comparison to the lower shell 2
  • the upper shell 1 and the lower shell 2 are hingedly connected to each other on one longitudinal side by means of integrally formed F 1mschamier 3, wherein, instead of the film hinge 3, a Drehgeienkscharnier which is attached to the upper and lower shell, or the like is possible.
  • F 1mschamier 3 wherein, instead of the film hinge 3, a Drehgeienkscharnier which is attached to the upper and lower shell, or the like is possible.
  • the upper shell 1 could be opened against the Fi Imscharnier and they would also be easier to replace than a film hinge.
  • Rastverschiuss 4 (or Sehnappver gleich) 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 ira example, a multiple of the height of the upper shell 1, at least one and a half! " ache.
  • a power connector 5 is provided, which may be in the form of conventional plug as well as USB ⁇ nsohiuss. Alternatively or additionally, such a power connection box 5 may also be provided in the upper shell 1.
  • an LED 6 is further arranged as S atusan Attache (heating) and start button.
  • a pressure compensator not described in further detail, is introduced.
  • peripheral edge regions 8 (FIG. 3) of upper shell 1 and lower shell 2 are correspondingly shaped. designed so that they act as a seal resp. can receive a sealing element 9.
  • This sealant is in a groove close to the edge. 10 of the lower shell 2 inserted.
  • Part of the lunch box 30 is also a shell 11 for receiving the: food to be heated.
  • the shell 11 is formed, for example, from 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.
  • 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 by means of locking cams. 16, 18 and / or click connections in the lower shell 2 position fixable bar.
  • the lower shell near the wall at least two spaced apart steles 19, which are provided at the upper end with a locking cam 18 (Fig. 4, 5).
  • the dish Ii is fixed in position.
  • the dish Ii can be easily removed from the lower shell 2 for cleaning or other purposes.
  • the shell 11 and the lower shell 2 are adapted to each other in their design and shape resp., Matched to each other, for example by means of the locking cam 16 and form-talking counter-elements of the shell 11.
  • the tail ⁇ differently shaped shells 11 can be used resp. be used in the lower shell 2.
  • knobs 25, a latching element or a guide rail in order to project the form of rail used.
  • the shell 11 is held in position and can not be reversed Vierden ⁇ Sicherheitsmerkmai).
  • the nubs 25 serve to easily replace the bowl 1 ' to ensure that the bowl 11 is always properly inserted.
  • Position istsras ⁇ ter 20 Position istsspickel or the like might also be in the edge region of the üntersc.hale 2 under tension be attached, which hold the cup 11 in its position, bending the possibility; possibly also to attach a further guide rail in the side region of the Un ⁇ terschale 2.
  • a thermal insulation 14 for example, provided from a PUR integral foam, wherein between this and the shell 11 is still a heating element 15 with a heating foil ⁇ introduced , the thermal insulation 14 but could also from a Ke aguss S molded part, an Aerogeiformteil or an EPS ⁇ Form.te.il be formed.
  • Thermal insulation 14 and Bankfoiie 15 can cover the bottom portion of the shell 11 ⁇ Fig. 5) or preferably still surround the side walls of the shell 11 at least up to the locking cam 16, or enclose (Fig. 4).
  • the inner side of the upper shell 1 may be provided with such a mix the insulation 14 and a heating element 15.
  • connection between the power connection socket 5 and a control electronics 17 and to the heating element 15 is established via cable connections which are not shown.
  • the control electronics 17 is arranged ⁇ on a flat board is, in turn, is space saving stuck to the inner wall of the lower ⁇ cup 2 (FIG. 5 ⁇ .
  • the control electronics 17 contains the electronic control, a Si before heitsschal- tung, a load switch, and also a power supply unit.
  • the electro ⁇ tronic control should at least sor a Temperaturse, egg- new Schuungsscha11er, the start-stop switch and the out ⁇ gang 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 is in a conventional manner from egg ⁇ ner metallic heating foil, which is embedded between two Siliziumschich ⁇ th for electrical insulation.
  • Kapton heating foils, polyester heating foils or contact heat leruents can also be used, for example.
  • the power supply can ⁇ 5V to 240V comprise included usual tolerances, For example, at 5V or 12V DC would be no specialckerraasssum provided.
  • the shell 11 ISSTE either be grounded or it has the above-mentioned electric double ⁇ Iso lation be appropriate.
  • the electrical connections are waterproof.
  • the heating capacity of the heating film 15 should at least ca, 20 150W to allow heating of food in demand ⁇ falling to approx, 140 E C. Depending on the food, smaller or larger heating capacities may be accepted, the values are also dependent on whether a heating element ⁇ only in the lower shell 2, or even in the upper shell 1 is provided. When a heating element is arranged in the upper shell 1, its heating power is normally lower than in the lower shell 2.
  • the Lunchbox is connected to the power source to heat a food and the start button, the LSD 6 is pressed.
  • the LED 6 signals by lighting the heating process over a pre-set in the control electronics 17 period. When the heating time has elapsed, the control electronics switches off the heating foil and LED 6 goes out.

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)

Abstract

The invention relates to a lunchbox for storing, transporting and heating foodstuffs, particularly foodstuffs prepared for consumption. The lunchbox is intended to be easy to handle. The lunchbox comprises an upper shell (1) and a lower shell (2), which are joined to one another at one longitudinal side in a foldable manner, wherein a closure means is provided on the opposite longitudinal side. Arranged in the lower shell (2) is a shell having a peripheral edge region which is angled in an L-shaped manner and which is assigned thermal insulation and a heating element, wherein a groove for accommodating a seal is integrally formed in the peripheral edge region of the shell.

Description

Lunchbox  Lunchbox
Die vorliegende Erfindung betrifft eine Lunchbox zum Aufbewah en, zum Transport und zum Erwärmen von Lebensmitteln,, insbesondere von zum Verzehr vorbereiteten Lebensmitteln. The present invention relates to a lunch box for Aufbewah s, for the transport and heating of food, especially prepared for consumption foods.
Brotzeitdosen zum Aufbewahren und zum Transport von Lebens¬ mitteln, die unterwegs oder am Arbeitsplatz verzehrt, werden, sind seit vielen Jahrzehnten in Anwendung. Bekannt, sind zweiteilige Dosen aus Me.ta.il oder Kunststoff mit Klappdeckel oder mit aufsetzbarem Deckel, mit grossem Unterteil für eine Hauptmahlzeit oder mit überlappendem, etwa gieichgrossem Ober- und Un erteil für Brote o. a. Snack boxes for storing and transporting food consumed on the move or at work have been in use for many decades. Known are two-piece cans made of Me.ta.il or plastic with hinged lid or with attachable lid, with a large base for a main meal or with overlapping, about gieichgrossem top and Un erteil for breads oa
Im Einzelhandel sind ein- oder zweiteilige Einwegbenä.lter , zumeist aus Schaumstoff bestehend im Einsatz, zumeist um verzehrfertige Portionen von Obst, Gemüse oder Fertiggerichten anzubiete ,  In the retail trade, one- or two-part disposable surfaces, mostly made of foam material in use, are usually offered for ready-to-eat portions of fruit, vegetables or prepared meals,
Aus der DE 202013010997 ül ist ein Klappbehälter bekannt, der so gestaltet ist, dass beim Aufklappen einer Oberschale keine Gegenstände herausfallen können, Der Klappbehälter besteht aus einer Oberschale und einer Unterschale, die an einer Längsseite miteinander klappbar verbunden sind. An der gege- überllegenden Längsseite ist ein Rastverschluss vorgesehen. Die Oberschale ist mit einem oberen Innendeckel und die Un¬ terschale mit. einem unteren Innendeckel versehen, so dass die beiden Innen oIumen vollständig' und unabhängig voneinander verseh1iesshar sind. An der, der Anienkung der Innendeckel gegenüberliegenden Seite ist. jeweils ein Deekelverschluss in Form einer Rastnase in der Oberschale und der Unterschale vorgesehe . From DE 202013010997 ül a folding container is known, which is designed so that when unfolding an upper shell no objects can fall out, the folding container consists of an upper shell and a lower shell, which are hinged together on one longitudinal side. At the overlapping longitudinal side is provided a snap closure. The upper shell is with an upper inner lid and the Un ¬ terschale with. provided with a lower inner lid, so that the two inner oIumen are fully 'and independently verseh1iesshar. At the, the Anienkung the inner lid opposite side. each a Deekelverschluss in the form of a detent in the upper shell and the lower shell vorgesehe.
Eine 'weitere Lunchbox aus Kunststoff zum Aufbewahren von Le- bensmitteln ist in der DE 10157494 B4 offenbart. Sie besteht aus einem Behälter mit. Seitenwänden , einem Boden und einem angeformten Deckel. Auf der Unterseite des Behälters ist eine Zusatzkammer angeordnet, di mit einem Zusatzdeckel ver- schliessbar ist. Deckel und. Zusatzdeckel sind über ein Film- Scharnier mit dem Behälter verbunden.  A further plastic lunch box for storing food is disclosed in DE 10157494 B4. 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 lids are connected to the container via a film hinge.
Ein weiterer Behälter mit Deckel zur Aufbewahrung von Lebensmitteln enthält ei exothermes Heizelement gemäss EP 0412159 Bl, Der Behälter umfasst einen oberen Innenbehälter für die zu erwärmender: Ma.teria.lien und einen darunter befindlichen unteren Innenbehälter, der Wasser und ein exothermes Material enthält, wobei der untere Innenbehälter mit einer Abdeckung versehen ist . Der Behälter umfasst weiterhin eine von aussen bedienbare Einrichtung zur Kontaktierung des exothermen Mate¬ rials mit dem Wasser. Die Abdeckung des unteren Innenbehäl- ters ist dampfdurchlässig aber undurchlässig für das exother¬ me Material. Das Wasser und das exotherme Materiell liegen in separaten Beuteln vor, die getrennt aufgerissen werden können. Another container with lid for storing food contains ei exothermic heating element according to EP 0412159 Bl, The container comprises an upper inner container for the to be heated: Ma.teria.lien and an underlying lower inner container containing water and an exothermic material, wherein the lower inner container is provided with a cover. The container further comprises an externally operable device for contacting the exothermic mate ¬ rials with the water. The covering of the lower Innenbehäl- ters is vapor-permeable but impermeable to the exother ¬ me material. The water and the exothermic material are in separate bags that can be torn open separately.
Eine solche Lösung ist aufwändig und. nur für einen stationären Betrieb geeignet. Such a solution is complex and. only suitable for stationary operation.
Sine transportable und beheizbare Lunchbox ist ebenfalls bekannt. Die Lunchbox unifasst eine Oberschale und eine Unterschale, die an einer Längsseite miteinander klappbar verbunden sind, wobei an der gegenüberliegenden Längsseite ein Ver¬ schluss vorgesehen ist. In die Unterschale ist ein, mit einem aufsetzbaren Deckel verschliessbarer Innenbehälter einsetzbar. In der Oberschale sind Vertiefungen für ein Besteck ein¬ geformt. Die Unterschale ist mit einem Stromanschluss für ein Heizelement in der Unterschale versehen, das in einer Isola¬ tionsschicht aus Schaumstoff angeordnet ist. Die Er ärmbar- keit von im Innenbehälter befindlichen Lebensmi teln ist be¬ grenzt resp. langwierig. Sine portable and heated lunch box is also known. The Lunchbox unifasst an upper shell and a lower shell, which are hinged together on one longitudinal side, wherein on the opposite longitudinal side Ver ¬ circuit is provided. In the lower shell is a, with an attachable lid lockable inner container can be used. In the upper shell recesses are formed a ¬ for a flatware. The lower shell is provided with a power connection for a heating element in the lower shell, which is arranged in a Isola ¬ tion layer of foam. The speed of ärmbar- He located in the inner container Lebensmi stuffs is be ¬ borders respectively. lengthy.
Der Erfindung liegt nun die Aufgabe zugrunde, eine Lunchbox bereitzustellen, die die Machteile des Standes der Technik überwindet und die einfach handhabbar ist. The invention is based on the object to provide a lunch box that overcomes the Machteile of the prior art and is easy to handle.
Die Aufgabe ist. erfi d.ungsge äss mit einer Lunchbox mit den Merkmalen des Patentanspruchs I gelöst.  The task is. erfi kungsge SSE with a lunch box with the features of claim I solved.
Bevorzugte Ausgestaltungen der Erfindung sind in den abhängi- gen Ansprüchen offenbart. Die erfindungsgernässe Lunchbox ist zum Aufbewahren.,, zum. Transport und zum Erwärmen von Lebensmitteln, insbesondere von verzehrfertigen Lebensmitteln geeignet. Sie ist flexibel einsetzbar . Preferred embodiments of the invention are disclosed in the dependent claims. The erfindungsgernässe lunch box is for storage. ,, to. Transportation and heating of food, especially of ready-to-eat foods. It can be used flexibly.
Die Erfindung wird nachfolgend in einem Ausführungsbeispiel anhand einer Zeichnung näher beschrieben. In der Zeichnung zeigen die The invention will be described below in an embodiment with reference to a drawing. In the drawing show the
Fig. 1: eine erfindungsgernässe Lunchbox;  1 shows a lunch box according to the invention;
Fig. 2: die Lunchbox nach Fig. 1 in anderer Darstellung;  FIG. 2 shows the lunch box according to FIG. 1 in a different representation; FIG.
Fig. 3: die Lunchbox nach Fig. 1, geöffnet; Fig. 3: the lunch box of Figure 1, opened.
Fig. 4: die Lunchbox nach Fig. 1 im Schnitt; Fig. 4: the lunch box of Figure 1 in section.
Fig. 5: die. Lunchbox nach Fig. 4 Fig. 5: the. Lunch box according to FIG. 4
geöffnet ,  open ,
Fig. 6: Details der Lunchbox nach Fig. 4.  6 shows details of the lunch box according to FIG. 4.
Eine erfindungsgernässe Lunchbox 30 (Fig. 1, 25 urafasst eine Oberschale 1 und. eine Unterschale 2 , eweils aus Kunststoff und/der Metall, zum Beispiel Polypropylen (P?) , wobei die Oberschale 1 als Deckel fungiert und im Vergleich zur Unterschale 2 wesentlich flacher ist. Die Oberschale 1 und. die Unterschale 2 sind an einer Längsseite mittels angeformtem F 1mschamier 3 miteinander klappbar verbunden, wobei anstelle des Filmscharniers 3 auch, ein Drehgeienkscharnier, das an der Ober- und Unterschale befestigt wird, o. a. möglich ist. Mittels Drehgelenkscharnier könnte die Oberschale 1 gegenüber dem Fi Imscharnier aufgeklappt werden und sie wäre auch leichter auswechselbar als bei einem Filmscharnier . A lunch box 30 (FIGS. 1, 25) which is suitable for the invention comprises an upper shell 1 and a lower shell 2, in each case made of plastic and / or metal, for example polypropylene (P), wherein the upper shell 1 acts as a lid and substantially in comparison to the lower shell 2 The upper shell 1 and the lower shell 2 are hingedly connected to each other on one longitudinal side by means of integrally formed F 1mschamier 3, wherein, instead of the film hinge 3, a Drehgeienkscharnier which is attached to the upper and lower shell, or the like is possible. By means of hinge joint, the upper shell 1 could be opened against the Fi Imscharnier and they would also be easier to replace than a film hinge.
An der, dem F lmscharnier 3 gegenüberliegenden Längsseite ist ein Rastverschiuss 4 (oder Sehnappverschluss) vorgesehen. Oberschale .1 und Unterschale 2 liegen in der Trennebene 22 eben und mit einem Überstand 21 der Oberschale 1 überlappend aneinander an. At the, the F lmscharnier 3 opposite longitudinal side a Rastverschiuss 4 (or Sehnappverschluss) 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.
Die Höhe der Unterschale 2 beträgt ira Beispiel ein Mehrfaches der Höhe der Ober schale 1, zumindest das Eineinhalb!"ache . The height of the lower shell 2 is ira example, a multiple of the height of the upper shell 1, at least one and a half! " ache.
An einer Längswand der Unterschale 2 ist eine Stromanschluss- huchse 5 vorgesehen, wobei diese in Form üblicher Stecker wie auch als USB-Änsohiuss ausgebildet sein kann. Alternativ oder zusätzlich kann eine solche Stromanschlussfo chse 5 auch in der Oberschale 1 vorgesehen sein. On a longitudinal wall of the lower shell 2, a power connector 5 is provided, which may be in the form of conventional plug as well as USB Änsohiuss. Alternatively or additionally, such a power connection box 5 may also be provided in the upper shell 1.
An der Längswand der Unterschale 2 ist weiterhin eine LED 6 als S atusanzeige (Heizung) und Startknopf angeordnet. In der Oberschale 1 ist ein, nicht näher beschriebenes Druckaus- gleichsele ent 7 eingebracht. On the longitudinal wall of the lower shell 2, an LED 6 is further arranged as S atusanzeige (heating) and start button. In the upper shell 1, a pressure compensator, not described in further detail, is introduced.
Die umlaufenden Randbereiche 8 (Fig . 3) von Oberschale 1 und Unterschale 2 sind formentsprechend. so ausgebildet, dass sie als Dichtung fungieren resp. ein Dichtelement 9 aufnehmen können. Dieses Dicht.e.1.einent ist in einer randnahen Nut. 10 der Unterschale 2 eingelegt. Bestandteil der Lunchbox 30 ist weiterhin eine Schale 11 zur Aufnahme der: zu wärmenden Lebensmittel. The peripheral edge regions 8 (FIG. 3) of upper shell 1 and lower shell 2 are correspondingly shaped. designed so that they act as a seal resp. can receive a sealing element 9. This sealant is in a groove close to the edge. 10 of the lower shell 2 inserted. Part of the lunch box 30 is also a shell 11 for receiving the: food to be heated.
Die Schale 11 ist zum Beispiel aus einem Aluminiumwerkstoff einer Dicke von 0, 5mm gebildet und in der Unterschale 2 angeordnet. Die Schale 11 weist einen umlaufend angeformten und L-förmig abgewinkelten Randbereich auf.  The shell 11 is formed, for example, from 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.
Mittels des kleineren Schenkels 24 des Randbereichs ist die Schale 11 in die Nut 10 der Unterschale 2 eingehangen. In den längeren, waagerechten Schenkel des umlaufenden Randbereichs der Schale 11 ist ebenfalls eine Nut 23 eingeformt, in die eine Dichtung 12, zum Beispiel ein O-Ring eingelegt ist. Beim Schliessen der Oberschale 1 drückt ein Doppelsteg 13 leicht auf die Dichtung 12 (Fig. 4) , fixiert diese und den Randbereich der Schale 11, so dass ein dichter Verschluss der Lunchbox 30 in der Trennebene 22 gegeben ist.  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. In the longer, horizontal leg of the peripheral edge region of the shell 11, a groove 23 is also formed, in which a seal 12, for example, an O-ring is inserted. When closing the upper shell 1, a double web 13 presses lightly on the seal 12 (FIG. 4), fixes it and the edge region of the shell 11, so that a tight closure of the lunch box 30 in the parting plane 22 is provided.
Die Schale 11 ist zusätzlich mittels Rastnocken. 16, 18 und/oder Klickverbindungen in der Unterschale 2 lagefixier- bar. Hierzu weist die Unterschale wandnah mindestens zwei voneinander beabstandete Stelen 19 auf, die am oberen Ende mit einem Rastnocken 18 versehen sind (Fig. 4, 5). The shell 11 is additionally by means of locking cams. 16, 18 and / or click connections in the lower shell 2 position fixable bar. For this purpose, the lower shell near the wall at least two spaced apart steles 19, which are provided at the upper end with a locking cam 18 (Fig. 4, 5).
Auf die Stelen 19 könnte aber auch ein Rastelement mit einem On the stelae 19 but could also be a locking element with a
Rastnocken aufgesetzt sein , wobei in dieser Aus führungs form die Stelen 19 ohne Rastnocken 18 ausgebildet wären. Catching cams be placed, in this form of execution, the steles 19 would be formed without locking cams 18.
Diese Rastnocken 18 des Rastelements drücken gegen die, an der Schale 11 angeformten Rastnocken 16, so dass die Schale These locking cams 18 of the locking element press against the integrally formed on the shell 11 locking cam 16, so that the shell
11 in ihrer Lage festgelegt, ist. Die Schale Ii kann zur Reinigung oder andere Zwecke einfach aus der Unterschale 2 entnommen werden. 11 is fixed in position. The dish Ii can be easily removed from the lower shell 2 for cleaning or other purposes.
Anstelle dieser Befestigungsart wäre auch eine Anordnung der Schale 11 mittels Klebverbindung o. a. möglich, Dabei könnte das Dichtelement 9 entfallen,  Instead of this type of attachment would also be an arrangement of the shell 11 by means of adhesive bond o. A. possible, the sealing element 9 could be omitted,
Die Schale 11 und die Unterschale 2 sind in ihrer Gestaltung und Formgebung aneinander angepasst resp, aufeinander abgestimmt, zum Beispiel mittels der Rastnocken 16 und forment- sprechender Gegenelemente der Schale 11. Somit können im De¬ tail unterschiedlich geformte Schalen 11 verwendet resp. in die Unterschale 2 eingesetzt werden. The shell 11 and the lower shell 2 are adapted to each other in their design and shape resp., Matched to each other, for example by means of the locking cam 16 and form-talking counter-elements of the shell 11. Thus, in the tail ¬ differently shaped shells 11 can be used resp. be used in the lower shell 2.
Im Bodenbereich der Unterschale 2 können auch zum Beispiel Noppen 25, ein Einrastelement oder eine Führungsschiene vor- gesehen sein, um die verwendete Schaienform vor ugeben. Durch eine passgenaue Form auf diesen Noppen 25 wird die Schale 11 in ihrer Position gehalten und kann auch nicht umgekehrt eingesetzt Vierden {Sicherheitsmerkmai) . Die Noppen 25 dienen zugleich einem einfachen Auswechseln der Schale l'i, um sicher™ zustellen, dass die Schale 11 immer richtig eingesetzt wird. Ais weiteres Sicherheitselement könnten auch im Randbereich der üntersc.hale 2 unter Spannung stehende Positionierungsras¬ ter 20, Positionierungsspickel oder dergleichen angebracht sein, welche die Schale 11 in ihrer Position halten, Sie bie- ten die Möglichkeit; eventuell auch, im Seitenbereich der Un¬ terschale 2 eine weitere Führungsschiene anzubringe . In the bottom area of the lower shell 2, it is also possible to provide, for example, knobs 25, a latching element or a guide rail in order to project the form of rail used. By a precise fit on these nubs 25, the shell 11 is held in position and can not be reversed Vierden {Sicherheitsmerkmai). At the same time, the nubs 25 serve to easily replace the bowl 1 ' to ensure that the bowl 11 is always properly inserted. Ais further security element Positionierungsras ¬ ter 20, Positionierungsspickel or the like might also be in the edge region of the üntersc.hale 2 under tension be attached, which hold the cup 11 in its position, bending the possibility; possibly also to attach a further guide rail in the side region of the Un ¬ terschale 2.
Zwischen der Innenwand der Unterschale 2 und der Schale 11 ist. eine thermische Isolation 14, zum Beispiel aus einem PUR- Integralschaumstoff vorgesehen, wobei zwischen dieser und der Schale 11 noch ein Heizelement 15 mit einer Heizfolie ange¬ bracht ist, Die thermische Isolation 14 könnte aber auch aus einem Ke aguss S -Formteil, einem Aerogeiformteil oder einem EPS~Form.te.il gebildet sein. Between the inner wall of the lower shell 2 and the shell 11 is. a thermal insulation 14, for example, provided from a PUR integral foam, wherein between this and the shell 11 is still a heating element 15 with a heating foil ¬ introduced , the thermal insulation 14 but could also from a Ke aguss S molded part, an Aerogeiformteil or an EPS ~ Form.te.il be formed.
Thermische Isolation 14 und Heizfoiie 15 können den Bodenbereich der Schale 11 überdecken {Fig. 5) oder auch bevorzugt noch die Seitenwände der Schale 11 zumindest bis zu den Rastnocken 16 einfassen resp, umschliessen (Fig. 4). Thermal insulation 14 and Heizfoiie 15 can cover the bottom portion of the shell 11 {Fig. 5) or preferably still surround the side walls of the shell 11 at least up to the locking cam 16, or enclose (Fig. 4).
Zusätzlich kann auch, die Innenseite der Oberschale 1 mit einer solchen the mischen Isolation 14 und einem Heizelement 15 versehen sein. In addition, the inner side of the upper shell 1 may be provided with such a mix the insulation 14 and a heating element 15.
Über nicht darges ellte Kabelverbindungen ist die Verbindung zwischen der Stromanschlussbuchse 5 und einer Steuerelektro- nik 17 sowie zum Heizelement 15 hergestellt. The connection between the power connection socket 5 and a control electronics 17 and to the heating element 15 is established via cable connections which are not shown.
Die Steuerelektronik 17 ist auf einer flachen Platine ange¬ ordnet, die wiederum platzsparend an der Innenwand der Unter¬ schale 2 gesteckt ist (Fig. 5} . Die Steuerelektronik 17 beinhaltet die elektronische Steuerung, eine Si ehe heitsschal- tung, einen Lastschalter und auch ein Netzteil. Die elektro¬ nische Steuerung sollte zumindest einen Temperaturse sor, ei- neu Heizungsscha11er, den Start-Stopp Schalter und den Aus¬ gang für die LED 6 umfassen. The control electronics 17 is arranged ¬ on a flat board is, in turn, is space saving stuck to the inner wall of the lower ¬ cup 2 (FIG. 5}. The control electronics 17 contains the electronic control, a Si before heitsschal- tung, a load switch, and also a power supply unit. The electro ¬ tronic control should at least sor a Temperaturse, egg- new Heizungsscha11er, the start-stop switch and the out ¬ gang for the LED 6 include.
Die elektronische Steuerung kann auch verschiedene Heizmodi zulassen, zum Beispiel Unter- und/oder Oberhitze.  The electronic control can also allow different heating modes, for example, bottom and / or top heat.
Das Heizelement 15 besteht in an sich bekannter Weise aus ei¬ ner metallischen Heizfolie, die zwischen zwei Silikonschich¬ ten zur elektrischen Isolation eingebettet ist. Es können aber zum Beispiel auch Kaptonheizfolien, Polyesterheizfolien oder Kontaktheize leruente zur Anwendung gelangen. Die Strom¬ versorgung kann 5V bis 240V umfassen, eingeschlossen übliche Toleranzen, Zum Beispiel bei 5V oder 12V DC müssten keine speziellen Sicherheitsraassnahmen vorgesehen sein. Bei einer Ausführung mit 230V DC isste die Schale 11 entweder geerdet werden oder es muss die vorgenannte doppelte elektrische Iso¬ lation angebracht sein. The heating element 15 is in a conventional manner from egg ¬ ner metallic heating foil, which is embedded between two Siliziumschich ¬ th for electrical insulation. However, Kapton heating foils, polyester heating foils or contact heat leruents can also be used, for example. The power supply can ¬ 5V to 240V comprise included usual tolerances, For example, at 5V or 12V DC would be no special Sicherheitsraassnahmen provided. In an embodiment with 230 V DC, the shell 11 ISSTE either be grounded or it has the above-mentioned electric double ¬ Iso lation be appropriate.
Bei der Wahl der Anschiussvarianten sind die Strombelastbarkeit, Temperatur und. Beständigkei gegenüber Reinigungsmitteln zu beachten ,  When choosing the Anschiussvarianten the current carrying capacity, temperature and. Resistance to cleaning agents to observe,
Die elektrischen Anschlüsse sind wasserdicht.  The electrical connections are waterproof.
Die Heizleistung der Heizfolie 15 sollte zumindest ca , 20- 150W betragen, um eine Erwärmung der Lebensmittel im Bedarfs¬ fall bis auf ca, 140ÖC zu ermöglichen. Je nach Lebensmittel können auch kleinere oder grössere Heizleistungen zulässig sein, wobei die Werte auch davon abhängig sind, ob ein Heiz¬ element nur in der Unterschale 2 oder auch in der Oberschale 1 vorgesehen ist . Bei Anordnung eines Heizelements in der Oberschale 1 ist dessen Heizleistung im normalfall geringer als in der Unterschale 2. The heating capacity of the heating film 15 should at least ca, 20 150W to allow heating of food in demand ¬ falling to approx, 140 E C. Depending on the food, smaller or larger heating capacities may be accepted, the values are also dependent on whether a heating element ¬ only in the lower shell 2, or even in the upper shell 1 is provided. When a heating element is arranged in the upper shell 1, its heating power is normally lower than in the lower shell 2.
Die Lunchbox wird zur Erwärmung eines Lebensmitteis am Stromquelle angeschlossen und der Startknopf, die LSD 6 betätigt . Die LED 6 signalisiert durch ihr Leuchten den Aufheizvorgang über eine, in der Steuerelektronik 17 voreingestellte Zeitdauer. Nach Ablauf der Heizdauer schaltet die Steuerelekt.ro- nik die Heizfolie ab, die LED 6 erlischt.  The Lunchbox is connected to the power source to heat a food and the start button, the LSD 6 is pressed. The LED 6 signals by lighting the heating process over a pre-set in the control electronics 17 period. When the heating time has elapsed, the control electronics switches off the heating foil and LED 6 goes out.
Andere Betriebsmodi können programmiert werden. Other operating modes can be programmed.
aezugszeichen Iiste : reference Iiste:
1. Oberschale 1st upper shell
2 Unterschale  2 lower shell
3 Fi imScharnier  3 Fi in the hinge
4 Ras tversch1us s  4 Ras tverschlus s
5 S t omanschlus sbuchse 5 S t omanschlus sbuchse
6 LED 6 LEDs
7 Druckausgleichselement 7 pressure compensation element
8 Randbereich 8 border area
9 Dichtelement  9 sealing element
10 Nut  10 groove
11 Schale  11 bowl
12 Dichtung  12 seal
13 Doppelsteg  13 double bridge
14 Isolation 14 isolation
15 Heizelement  15 heating element
16 Rastnocken  16 locking cams
17 Steuerelektronik 17 control electronics
18 Rastnocken 18 locking cams
19 Stele 19 stele
20 Positioniernngsraster 20 positioning grid
21 Überstand 21 supernatant
22 Trennebene  22 parting plane
23 Nut 23 groove
24 Schenkel. 24 thighs.
25 Noppe  25 pimples
30 Lunchbox  30 lunchbox

Claims

Lunchbox zum Aufbewahren,: zum Transport, und zum Erwärmen von Lebensmitteln,, insbesondere von zum Verzehr vorbereiteten Lebensmitteln, umfassend eine Oberschale (1) und eine Unterschale (2) , die an einer Längsseite miteinander klappbar verbunden sind, wobei an der gegenüberliegenden Längsseite ein Verschluss vorgesehen ist, dadurch gekennzeichnet , dass in der Unterschale {2} eine Schale (11) mit einem umlaufenden und abgewinkelten Randbereich anordenbar ist , der eine thermische Isolation (14) und ein Heizelement15 zugeordnet ist, wobei im umlaufenden Randbereich der Schale (11) eine Nut (23) zur Aufnahme einer Dichtung (12) eingeformt ist. Lunch box for storing, transporting and heating foodstuffs, in particular foods prepared for consumption, comprising an upper shell (1) and a lower shell (2), which are hinged together on one longitudinal side, wherein on the opposite longitudinal side Closure is provided, characterized in that in the lower shell {2} a shell (11) can be arranged with a circumferential and angled edge region, which is associated with a thermal insulation (14) and a heating element 15, wherein in the peripheral edge region of the shell (11). a groove (23) for receiving a seal (12) is formed.
Lunchbox nach .Anspruch 1, dadurch gekennzeichnet, dass in der Oberschale (1) ein Druckausglei chsele- ment (7} angebracht ist. Lunch box according to .Anspruch 1, characterized in that in the upper shell (1) a Druckausglei chsele- ment (7) is attached.
Lunchbox nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass sich die thermische Isolation (14) und das HeizelementlS zumindest über den Boden der Schale (11) erstrecken, und bevorzugt die Seitenwände der Schale (II) zumindest teilweise umschliessen. Lunch box according to claim 1 or 2, characterized in that the thermal insulation (14) and the HeizelementlS extend at least over the bottom of the shell (11), and preferably at least partially enclose the side walls of the shell (II).
Lunchbox nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass auch die Oberschale mit einer thermische Isolation (14) und. einem Heizelement (15) versehen ist. Lunch box according to one of claims 1 to 3, characterized in that the upper shell with a thermal insulation (14) and. a heating element (15) is provided.
Lunchbox nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet; dass sich der umlaufende Rand der Schale {11) im Bereich der Trennebene (22) zwischen Oberschale (1) und Unterschale (2) befindet. Lunch box according to one of claims 1 to 4, characterized in that; that the peripheral edge of the shell {11) in the region of the parting plane (22) between the upper shell (1) and lower shell (2).
Lunchbox nach, einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass Oberschale (1) und Unterschale (2) in der Trennebene (22) eben und überlappend an¬ einander anliegen. Lunchbox according, to any one of claims 1 to 5, characterized in that the upper shell flat and overlapping at ¬ rest (1) and lower shell (2) in the separation plane (22) to each other.
Lunchbox nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die umlaufenden Randfoereiche (8) von Oberschale (1) und Unterschale {?. ) foriaentsprechend und eine Dichtfunktion erfüllend ausgebildet sind. Lunch box according to one of claims 1 to 6, characterized in that the peripheral Randfoereiche (8) of the upper shell (1) and lower shell {?. ) are designed according toia and a sealing function fulfilling.
Lunchbox nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Schale (Ii) einen L-förmig gebogenen Randbereich aufweist . Lunch box according to one of claims 1 to 7, characterized in that the shell (Ii) has an L-shaped bent edge region.
Lunchbox nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Schale 11 und. die Unter¬ schale 2 in ihrer Ges altung und, Formgebung aneinander angepasst resp. aufeinander abgestimmt, sind. Lunch box according to one of claims 1 to 8, characterized in that the shell 11 and. the sub ¬ shell 2 in their Ges aging and, shaping adapted to each other resp. are coordinated.
EP15730851.1A 2014-05-21 2015-05-19 Lunchbox Active EP3145362B1 (en)

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CH00773/14A CH709678A2 (en) 2014-05-21 2014-05-21 Lunchbox for storing, transporting and cooking of food.
PCT/IB2015/053684 WO2015177726A1 (en) 2014-05-21 2015-05-19 Lunchbox

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EP3145362B1 EP3145362B1 (en) 2019-08-21

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KR (1) KR102289148B1 (en)
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MX2016015213A (en) 2017-05-04
BR112016027117B1 (en) 2022-06-28
CA2949611A1 (en) 2015-11-26
CN107072367A (en) 2017-08-18
CH709678A2 (en) 2015-11-30
BR112016027117A2 (en) 2017-08-15
EA035997B1 (en) 2020-09-10
EP3145362B1 (en) 2019-08-21
ES2756724T3 (en) 2020-04-27
UA120759C2 (en) 2020-02-10
MY172575A (en) 2019-12-03
AU2015262963A1 (en) 2016-12-08
JP2017516613A (en) 2017-06-22
KR102289148B1 (en) 2021-08-17
MA39830A1 (en) 2018-02-28
US20170137205A1 (en) 2017-05-18
KR20170010363A (en) 2017-01-31
EA201692362A1 (en) 2017-04-28
ZA201607961B (en) 2017-09-27
US10737869B2 (en) 2020-08-11
WO2015177726A1 (en) 2015-11-26

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