EP3922574A1 - Récipient thermique - Google Patents

Récipient thermique Download PDF

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Publication number
EP3922574A1
EP3922574A1 EP21188272.5A EP21188272A EP3922574A1 EP 3922574 A1 EP3922574 A1 EP 3922574A1 EP 21188272 A EP21188272 A EP 21188272A EP 3922574 A1 EP3922574 A1 EP 3922574A1
Authority
EP
European Patent Office
Prior art keywords
bag
thermal container
back cushion
cushion
container according
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.)
Pending
Application number
EP21188272.5A
Other languages
German (de)
English (en)
Inventor
Georg Scheffer
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.)
Profuemed Karlheinz Lohr E K
Original Assignee
Profuemed Karlheinz Lohr E K
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 Profuemed Karlheinz Lohr E K filed Critical Profuemed Karlheinz Lohr E K
Publication of EP3922574A1 publication Critical patent/EP3922574A1/fr
Pending 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/04—Bags or like containers made of paper and having structural provision for thickness of contents with multiple walls
    • 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
    • B65D81/3888—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 wrappers or flexible containers, e.g. pouches, bags
    • B65D81/3897—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 wrappers or flexible containers, e.g. pouches, bags formed of different materials, e.g. laminated or foam filling between walls

Definitions

  • the present invention relates to a thermal container which has at least one flat back cushion and a flat front cushion extending in another plane above the back cushion, which are connected to one another at opposite side edges and at a further side edge of the thermal container, are formed in one piece or via a connecting piece merge into one another, so that a cavity is formed between the back cushion and the front cushion, the back cushion and the front cushion each being formed from at least one bag or at least one compartment and a fibrous material located in the at least one bag or the at least one compartment.
  • Thermal containers of this type are used to maintain the temperature of the packaged goods introduced into the cavity for a certain period of time. By means of such thermal containers, the cooling or heating of the respective packaged goods placed therein can thus be maintained over a certain time in a certain temperature window. It is thus possible, by means of such thermal containers, to send frozen goods, such as frozen food or frozen animal feed, for up to 36 hours without the respective food or animal feed being damaged.
  • the pamphlets WO 03/066435 A2 and US 2007/251942 A1 disclose microwave-interactive packaging, which influences the effect of microwave irradiation on the food to be heated, and the production of such packaging. These packagings have closed cells that expand when exposed to microwaves. The resulting, air-filled insulating pockets isolate the food to be heated from the surrounding microwave.
  • the pamphlet DE 10 2005 021187 A1 discloses a double-walled alcopop outer packaging with a receiving space delimited by an outer packaging wall.
  • the outer packaging wall is formed here by an essentially dimensionally stable, flexible and internally hollow film tube.
  • thermal containers In recent years, therefore, plastics have often been used to manufacture thermal containers. From an ecological point of view, this is no longer justifiable. If natural substances were used to form thermal containers, the temperature duration was usually very limited.
  • a thermal container which has at least one flat back cushion and a flat front cushion extending in another plane above the back cushion, which are connected to one another at opposite side edges and at another side edge of the thermal container, are formed in one piece or via a connecting piece merge into one another, so that a cavity is formed between the back cushion and the front cushion, the back cushion and the front cushion each being formed from at least one bag or at least one compartment and a fibrous material located in the at least one bag or the at least one compartment, solved, in which the fiber material comprises fiber flakes or fiber powder, which are applied to a flat carrier made of fiber material or are introduced between two flat carriers made of fiber material.
  • the thermal container according to the invention is particularly suitable as a cooler bag.
  • the at least one object, the temperature of which is to be maintained, can advantageously be introduced into the cavity formed between the back cushion and the front cushion connected to it.
  • the cavity can then be suitably closed.
  • the fibrous material of the back cushion and the front cushion guarantees a particularly advantageous thermal insulation of the at least one object introduced into the thermal container from the environment. Due to its structure, the fibrous material has a large number of air pockets or air gaps, which means that the respective temperature can be maintained particularly well. With the present invention it is even possible, for example, to maintain a packaged item placed in the thermal container for up to 72 hours in a desired temperature window.
  • the fiber material has fiber flakes or fiber powder, which is applied to a flat carrier made of fiber material or placed between two flat carriers made of fiber material, ensures that particularly large air pockets or air gaps are formed, which leads to leads to a particularly high temperature holding capacity of the thermal container formed therewith.
  • the respective fibrous material does not slip due to the use of at least one flat carrier and the introduction of the fibrous material into the bag or the compartment.
  • the bag or the compartment namely form an envelope for the respective fibrous material, which leads to mechanical stabilization.
  • the bag or the compartment also have a protective function for the fibrous material contained therein.
  • pulp material used which can be a primary pulp, such as cellulose, wood pulp or semi-pulp, and / or a secondary pulp, such as pulp obtained from waste paper, is that it is natural and environmentally safe It is a material that is easily recyclable and already has low heat conduction and therefore good thermal insulation properties.
  • the design of the fibrous material used leads to an advantageous softness and voluminosity, which ensure that the packaged goods can be safely stored and transported in the thermal container.
  • the thermal container according to the invention is easy to stack, but can also be used as a shopping bag.
  • the fibrous material flakes or the fibrous material powder with at least one binder are applied to the flat carrier made of fibrous material or placed between the two flat carrier made of fibrous material. Due to the additionally provided binder, the fiber flakes or the fiber powder, which can be sprayed onto one carrier or between the two carriers, for example, can be fixed well in their respective position on the carrier or between the carriers.
  • the sheet-like carrier or carriers are made from paper.
  • paper is easy to recycle and, on the other hand, creates a stable, yet within certain limits flexible support for the fiber flakes or the fiber powder.
  • the at least one bag in the present invention is formed from a fleece made of thermoplastic material, it offers good moisture protection for the fibrous material lying therein, which has good absorbency. This is particularly the case when the nonwoven is a polypropylene spunbond.
  • the at least one bag envelops the fibrous material like a hose.
  • the at least one bag or the at least one compartment of the back cushion and the at least one bag or the at least one compartment of the front cushion are made of paper.
  • the entire thermal container is made of ecologically recyclable material, namely paper and fiber material.
  • the at least one bag or the at least one compartment of the back cushion and the at least one bag or the at least one compartment of the front cushion are formed by an inner paper bag placed in an outer paper bag, with each the fibrous material is located between an outside of the inner paper bag and an inside of the outer paper bag.
  • the inner paper bag is thus inserted into the outer paper bag and the fibrous material between the material of the inner paper bag and the material of the outer paper bag is used at least on the front and the back of this embodiment of the thermal container according to the invention.
  • the respective packaged goods which are typically to be kept cool, can then be placed in the inner paper bag.
  • the inner paper bag and the outer paper bag are connected to one another, including the fibrous material.
  • the internal fibrous material cannot slip out of the space between the outer paper bag and the inner paper bag.
  • slipping of the fibrous material within the bag or compartment can be prevented if the at least one bag or the at least one compartment is fixed to the fibrous material with adhesive lines spaced apart from one another.
  • Synthetic hot-melt adhesive for example, can be used as the adhesive. This can be applied in thin lines, for example at a distance of 15 to 30 mm, preferably 20 mm.
  • the back cushion has a back cushion section protruding on one side over the front cushion or a closure flap adjoins the back cushion on one side, wherein the protruding back cushion section or the closure flap for closing the cavity of the thermal container can be folded onto a surface of the front cushion and with this can be connected directly or indirectly.
  • the protruding back cushion section or the closure flap are preferably formed from the same material as the material of the at least one bag.
  • the at least one bag with the fibrous material introduced therein is preferably separated from a bag tape comprising a plurality of such bags, and the protruding back cushion section or the closure flap is made of a nonwoven made of thermoplastic material that protrudes over a bag section containing the fibrous material .
  • the thermal container according to the invention can be used particularly well as a cooling bag if at least one carrying handle and / or at least one closure means for closing the cavity is provided on the thermal container.
  • the side edges of the thermal container according to the invention are particularly stable if the back cushion and the front cushion are sewn and / or glued and / or squeezed together on the opposite side edges of the thermal container.
  • FIG. 1 shows schematically a possible embodiment of a thermal container 1 according to the invention in a plan view.
  • the thermal container 1 is a cooling bag for transport purposes.
  • a cooling bag can, for example, have an external width of 300 to 600 mm and an external length of 300 to 600 mm.
  • the closing flap of the cooling bag can have a length of 50 to 120 mm. Of course, other dimensions are also possible.
  • the thermal container 1 can, however, also be used to keep objects warm.
  • thermal container 1 is off Figure 1 shown open with a packaged item 15 introduced therein in a top view.
  • the thermal container 1 has a flat back cushion 2 and a flat front cushion 3.
  • the back cushion 2 is connected to the front cushion 3 at mutually opposite side edges 4, 5 of the thermal container. In the exemplary embodiment shown, this connection is implemented by seams 16, 17 running along the side edges 4, 5.
  • this connection can be made alone or in combination with the seams 16, 17 by gluing and / or squeezing the material.
  • the back cushion 2 and the front cushion 3 are formed from the same material web in the form of a bag tape.
  • the back cushion 2 is therefore formed in one piece with the front cushion 3 on a further side edge 6 of the thermal container 1, so the material of the back cushion 2 merges directly into the material of the front cushion 3 at the side edge 6, which can, for example, form a pocket lower edge.
  • the back cushion 2 and the front cushion 3 can also be formed separately and connected to one another at the side edge 6. Furthermore, it is possible that in other embodiments of the present invention at least one piece of material is provided between the back cushion 2 and the front cushion 3 on the side edges 4, 5 and / or 6 and is connected to them.
  • the piece of material can, for example, be designed in the manner of a strip or a web.
  • a cavity 7 is formed between the back cushion 2 and the front cushion 3, into which, as in FIG Figure 2 to see the packaged item 15 is introduced.
  • the back cushion 2 has a back cushion section 21 projecting beyond the front cushion 3 on one side.
  • a closure tab can also be attached to one side of the back cushion 2.
  • the protruding back cushion section 21 or the locking flap are, as indicated by the arrow A in Figure 2 is indicated schematically, to close the cavity 7 folded onto a surface of the front cushion 3 and connected to it directly or indirectly.
  • the protruding back cushion section 21 or the closure flap can be glued onto the front cushion 3 by means of adhesive lines.
  • adhesive knobs can be used for this.
  • the back cushion 2 and the front cushion 3 each have a bag 8.
  • the bag encloses a fibrous material 9 like a hose.
  • at least one compartment 18 can be provided in which the fibrous material 9 is located.
  • the compartment 18 is not completely formed around the fibrous material 9, but can be closed in advantageous variants of the invention.
  • the illustrated embodiment consists of the bag 8 made of a polypropylene spunbonded nonwoven fabric.
  • the polypropylene spunbond ensures protection against moisture, for example against condensation.
  • FIG Figure 1 shown schematically, with the aid of spaced-apart lines 13 of hot melt adhesive.
  • these lines are spaced approximately 20 mm apart and run along the material web from which the back cushion 2 and the front cushion 3 are formed.
  • this material web has areas filled with the fibrous material 9 and adjoining pure nonwoven areas.
  • a non-woven area, which adjoins a back cushion section of the material strip, can then be used as a closing flap for closing the thermal container 1.
  • a fleece overhang over the areas filled with the fibrous material 9 can be approximately 50 mm.
  • the fibrous material 9 is located in a bag 8, which can be designed as described above.
  • the fibrous material 9 has fibrous flakes 92 or fibrous powder which is applied to a flat carrier 93 made of fibrous material or, as in FIG Figure 3 shown, are introduced between two flat, made of fiber material supports 93, 94.
  • the fiber flakes are preferably cellulose flakes, the fiber powder is preferably cellulose powder.
  • binder can be applied to the carrier 93 or introduced between the two carriers 93, 94.
  • the flat supports 93, 94 are made from paper.
  • Figure 4 shows schematically another embodiment of a thermal container 1 'according to the invention in a perspective side view.
  • the thermal container 1 ′ has an outer paper bag 11 and an inner paper bag 12 located in the outer paper bag. On at least two opposite sides of the thermal container, fibrous material 9, which is constructed as described above, is introduced between the inner paper bag 12 and the outer paper bag 11.
  • the inner paper bag 12 and the outer paper bag 11 can be connected to one another, including the respective fibrous material 9.
  • Carrying handles 14 are provided on an upper side of the thermal container 1 '.
  • thermal container 1 ' can be provided on the thermal container 1 '.
  • the thermal container 1 ′ can have a block bottom 19, but it can also be designed without the block bottom 19.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Table Devices Or Equipment (AREA)
EP21188272.5A 2019-08-07 2020-05-15 Récipient thermique Pending EP3922574A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202019104350.4U DE202019104350U1 (de) 2019-08-07 2019-08-07 Thermobehältnis
EP20174907.4A EP3772472B1 (fr) 2019-08-07 2020-05-15 Récipient thermique

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP20174907.4A Division EP3772472B1 (fr) 2019-08-07 2020-05-15 Récipient thermique
EP20174907.4A Division-Into EP3772472B1 (fr) 2019-08-07 2020-05-15 Récipient thermique

Publications (1)

Publication Number Publication Date
EP3922574A1 true EP3922574A1 (fr) 2021-12-15

Family

ID=70738341

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20174907.4A Active EP3772472B1 (fr) 2019-08-07 2020-05-15 Récipient thermique
EP21188272.5A Pending EP3922574A1 (fr) 2019-08-07 2020-05-15 Récipient thermique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20174907.4A Active EP3772472B1 (fr) 2019-08-07 2020-05-15 Récipient thermique

Country Status (4)

Country Link
EP (2) EP3772472B1 (fr)
DE (1) DE202019104350U1 (fr)
ES (1) ES2954258T3 (fr)
PL (1) PL3772472T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202020106559U1 (de) 2020-11-16 2022-02-18 profümed Karlheinz Lohr e. K. Inhaber: Georg Scheffer Thermobehältnis
CA3219841A1 (fr) * 2021-05-20 2022-11-24 Lionel De Bazelaire De Lesseux Revetements isolants repulpables, contenants d'expedition et de stockage les comprenant, et procedes pour les fabriquer et les utiliser
DE102021120900B4 (de) 2021-08-11 2024-01-25 profümed Karlheinz Lohr e. K. Inhaber: Georg Scheffer Thermobehältnis
DE102022104084A1 (de) * 2022-02-22 2023-08-24 Andreas Ramthun Verwendung von mindestens einlagiger Zellstoffwatte zur Herstellung von umgeformten Produkten

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7836403U1 (de) 1978-12-08 1979-03-08 Goetze Nord West Papierwerk Transportverpackung
DE9002034U1 (de) * 1990-02-21 1990-04-26 Fabritz, Gerhard, 4150 Krefeld Kühltasche für empfindliche Lebensmittel
WO2003066435A2 (fr) 2002-02-08 2003-08-14 Graphic Packaging International, Inc. Emballage isolant reagissant aux micro-ondes
US20050118366A1 (en) * 2003-06-25 2005-06-02 Piemonte Robert B. Barrier materials and containers made therefrom
DE102005021187A1 (de) 2005-05-03 2006-11-16 Radl, Bernd, Dr. Alcopop-Umverpackung
US20070251942A1 (en) 2006-04-27 2007-11-01 Cole Lorin R Microwave energy interactive food package
DE202016100510U1 (de) * 2016-02-02 2016-02-11 Nordpack Gmbh Isolierverpackung und die Isolierverpackung beinhaltende Umverpackung
WO2019113453A1 (fr) * 2017-12-08 2019-06-13 Ranpak Corp. Emballage isolé et procédé

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US1752292A (en) 1924-12-13 1930-04-01 Bates Valve Bag Corp Paper bag
GB311831A (en) 1927-12-08 1929-05-23 Boris Aivaz Improvements in or relating to the manufacture of wads for cigarettes, cigars, tobacco pipes and the like
US3424643A (en) 1965-11-08 1969-01-28 Kimberly Clark Co Sheet material creped tissue product
DE2060812A1 (de) 1970-03-09 1971-11-04 Bemberg Ag Tuete zur Verpackung von Waren,insbesondere von Lebensmitteln
US3879257A (en) 1973-04-30 1975-04-22 Scott Paper Co Absorbent unitary laminate-like fibrous webs and method for producing them
DE4023714C1 (fr) 1990-07-26 1992-02-06 Wanfried-Druck Kalden Gmbh, 3442 Wanfried, De
US5399412A (en) 1993-05-21 1995-03-21 Kimberly-Clark Corporation Uncreped throughdried towels and wipers having high strength and absorbency
CA2134594A1 (fr) 1994-04-12 1995-10-13 Kimberly-Clark Worldwide, Inc. Methode pour l'obtention de papier-mouchoir
US8251277B2 (en) * 2005-04-15 2012-08-28 Wausau Paper Mills, Llc Thermal sleeve, method for manufacturing a thermal sleeve, and combination cup and thermal sleeve
AU2008350434B2 (en) 2008-02-14 2013-12-05 Nagoya Oilchemical Co., Ltd. Sound absorbing skin material and sound absorbing material utilizing the same
CH699895B1 (de) 2008-11-14 2013-10-15 Roland Fischer Flexibel einsetzbare Tasche.
AU2010280979B2 (en) 2009-08-07 2016-01-21 Pervormance International Gmbh Textile fabric
US20140117071A1 (en) 2012-11-01 2014-05-01 Sealed Air Corporation (Us) Cushioning Assembly
US20180319569A1 (en) 2015-11-12 2018-11-08 Temperpak Technologies Inc. Insulated bag and sleeve for carrying groceries and other objects

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7836403U1 (de) 1978-12-08 1979-03-08 Goetze Nord West Papierwerk Transportverpackung
DE9002034U1 (de) * 1990-02-21 1990-04-26 Fabritz, Gerhard, 4150 Krefeld Kühltasche für empfindliche Lebensmittel
WO2003066435A2 (fr) 2002-02-08 2003-08-14 Graphic Packaging International, Inc. Emballage isolant reagissant aux micro-ondes
US20050118366A1 (en) * 2003-06-25 2005-06-02 Piemonte Robert B. Barrier materials and containers made therefrom
DE102005021187A1 (de) 2005-05-03 2006-11-16 Radl, Bernd, Dr. Alcopop-Umverpackung
US20070251942A1 (en) 2006-04-27 2007-11-01 Cole Lorin R Microwave energy interactive food package
DE202016100510U1 (de) * 2016-02-02 2016-02-11 Nordpack Gmbh Isolierverpackung und die Isolierverpackung beinhaltende Umverpackung
WO2019113453A1 (fr) * 2017-12-08 2019-06-13 Ranpak Corp. Emballage isolé et procédé

Also Published As

Publication number Publication date
PL3772472T3 (pl) 2023-08-07
ES2954258T3 (es) 2023-11-21
EP3772472A1 (fr) 2021-02-10
DE202019104350U1 (de) 2020-11-10
EP3772472C0 (fr) 2023-06-07
EP3772472B1 (fr) 2023-06-07

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