EP0337860B1 - Isolier-Container mit Kältemittelbehälter und Verwendung beim Transport von frischen Produkten - Google Patents

Isolier-Container mit Kältemittelbehälter und Verwendung beim Transport von frischen Produkten Download PDF

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Publication number
EP0337860B1
EP0337860B1 EP89400968A EP89400968A EP0337860B1 EP 0337860 B1 EP0337860 B1 EP 0337860B1 EP 89400968 A EP89400968 A EP 89400968A EP 89400968 A EP89400968 A EP 89400968A EP 0337860 B1 EP0337860 B1 EP 0337860B1
Authority
EP
European Patent Office
Prior art keywords
container
screen
compartment
reservoir
products
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP89400968A
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English (en)
French (fr)
Other versions
EP0337860A3 (de
EP0337860A2 (de
Inventor
Claude Gibot
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.)
Carboxyque Francaise SA
Original Assignee
Carboxyque Francaise SA
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Filing date
Publication date
Priority claimed from FR8804659A external-priority patent/FR2629799B2/fr
Application filed by Carboxyque Francaise SA filed Critical Carboxyque Francaise SA
Publication of EP0337860A2 publication Critical patent/EP0337860A2/de
Publication of EP0337860A3 publication Critical patent/EP0337860A3/de
Application granted granted Critical
Publication of EP0337860B1 publication Critical patent/EP0337860B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/12—Devices using other cold materials; Devices using cold-storage bodies using solidified gases, e.g. carbon-dioxide snow
    • F25D3/125—Movable containers
    • 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
    • B65D81/18—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 providing specific environment for contents, e.g. temperature above or below ambient

Definitions

  • the present invention relates to an insulated container, in particular an itinerant trolley intended for the transport of fresh products, of the type with insulated walls defining an interior space divided horizontally by a screen, in an upper zone receiving an open reservoir of a subliming refrigerant product, and a lower zone receiving at least one compartment of products to be kept cold, the upper and lower zones being accessible by access means arranged on the same side of the container, a space being provided between the coolant reservoir and the screen.
  • Document FR-A-2,178,437 describes a drink car of the above type comprising an upper drawer for coolant and at least one lower drink drawer, the drawers being supported on slides mounted on the flat interior walls of the container , the screen being constituted by a metal separating sheet extending between the slides of the upper drawer and simply allowing a downward exhaust, forward and backward, of CO2 gaseous cold.
  • Document US-A-1,997,936 further describes a container for bulk products with a closed chamber of refrigerant disposed in a housing made of porous or perforated insulating material.
  • An object of the present invention is to provide an insulated container, in particular an itinerant trolley, of simple and reliable design, easy to use and allowing long-term storage of fresh products without risk of local freezing or heating of these products.
  • the screen is made of thermally insulating material and has dimensions slightly smaller than the internal section of the container to leave at its periphery a space suitable for the passage of gas, in that the coolant reservoir is arranged in the upper zone, and in particular at a sufficient distance above the screen, so that this upper zone constitutes a zone of heat exchange by natural convection, and in that the compartment for fresh product is arranged in the lower zone so as to provide a free space around the compartment, its dimensions in particular being substantially smaller than the internal volume of the container.
  • Another object of the present invention is to provide a traveling trolley for storing and transporting fresh products comprising such an insulated container, and the applications of such containers or trolleys to the conservation and transport of products at temperatures close to 0 ° C. .
  • solid carbon dioxide stored in the tank is used as the refrigerant.
  • the refrigerant is then a cooling agent for a radiant thermally conductive exchange surface which allows permanent cooling of the atmosphere by natural convection.
  • the food compartment may or may not be removable. There is free space around the compartment in the container.
  • the cold gas flowing along the walls of the container also flows along the walls of the compartment and cools it uniformly.
  • the double envelope formed plays the role of a new thermal barrier with low insulating power, but compensated by the fact that the gas / solid exchange (without circulation) provides a low coefficient of thermal transfer.
  • the fresh products can optionally be stored on several trays arranged in the food compartment.
  • the food compartment can be opened, for example, at the front and / or rear to allow easy loading and unloading of fresh products, and in this case the refrigerant gases are in contact with fresh products during storage . It can also be airtight.
  • Carbon dioxide is however detrimental to the good conservation of certain fresh products. Therefore, in this case, the food compartment must be airtight.
  • cleats made of food-grade polyethylene permanently fixed to the walls of the container.
  • This internal structure makes it possible to load the products to be transported without special precautions, its role being essentially to ensure the circulation of gaseous CO2 around the product in the container fitted with a double envelope.
  • the double envelope or compartment formed by a watertight metal box made of thin sheet metal is deposited on the internal structure of the insulated container, that is to say on the lower battens and between the lateral battens, and its watertightness guaranteed on the front, loading side, by a metal door secured to the insulated door of the container.
  • the door can also be equipped with a plate fixed on its internal face, the plate being spaced from the internal face of the door to ensure the double envelope, the sealing of the compartment then being guaranteed by a seal at lips.
  • This seal makes it possible to seal the compartment even when the excess CO2 escapes through the door while moving away from the container.
  • the containers according to the invention perfectly meet the conditions of temperature, temperature stability during storage and temperature uniformity for the preservation of fresh products.
  • the present invention also relates to the application of these containers to the storage of products at temperatures close to 0 ° C.
  • the rectangular container 1 consists of walls provided with insulating material 2. Above a lower zone receiving at least one compartment C for fresh produce extends a polyethylene plate 3 forming a screen suspended by four suspension columns 4 from the upper wall 5 of the container 1.
  • This screen forming plate 3 delimits an area 6 suitable for exchange by natural convection where the hot gases which rise from the lower part of the container through the free space 8 between the screen 3 and the vertical walls 9 of the container cool in passing between the screen 3 and the coolant reservoir 10.
  • the containers further include in their lower part a grating 11 or cleats made of plastic, for example polyethylene on which the fresh products to be transported are arranged.
  • FIG. 2 appears in section, and seen from the side, the same container 1 provided with the screen 3 suspended by the columns 4 and with the reservoir 10 placed in the area 6.
  • Figure 3 appear in perspective the screen 3 and the tank 10 as they are arranged in the upper part of the container to form the natural convection zone.
  • the screen forming plate 3 is provided as described above with four suspension columns 4.
  • the reservoir 10 is a drawer made of 304L stainless steel provided with slides 12 capable of sliding in translation on slides 13 parallel to the drawer and themselves provided with pads of suspension 14 to the upper wall 5 of the container 1.
  • the studs 15 located at the end of the slides 13 on the side of the bottom 16 of the drawer 10 form a stop.
  • the drawer 10 is equipped, on the side opposite the bottom 16, with a handle 17 allowing the user to handle the drawer in translation when filling or checking the level of coolant.
  • the bottom 18 of the reservoir 10 is located at a distance of a few centimeters from the screen 3.
  • a suitable convection zone is defined in the upper part of the container, for example if the bottom 18 of the drawer 10 is approximately halfway between the screen 3 and the upper wall of the container where the studs and suspension columns are fixed (4, 14, 15).
  • two superimposed plates can be provided, separated by washers.
  • expanded PVC is suitable as a material for the plate (s).
  • the tank 10 is a 304L stainless steel drawer with internal dimensions (in mm) 500 x 420 x 50 (thickness 12/10).
  • the screen 3 a 10 mm thick polyethylene plate, is suspended from 100 mm and the drawer is suspended from 10 mm from the wall 5.
  • the free space 8 is 30 mm at the front and at the rear and 55 mm on the sides.
  • the temperature between the reserve drawer provided with solid CO2 and the thermal barrier formed by the screen plate is at an average of -18 ° C. the temperatures measured in the container outside this zone have remained above -5 ° C., with a gap between the bottom and the top of the container of around 2 ° C. The tests lasted more than 5 hours at ambient temperatures of around 15 ° C. The products stored in the container remained between 0.5 and 2 ° C.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Packages (AREA)

Claims (10)

  1. Isolier-Container mit isolierten Wänden, die einen Innenraum begrenzen, der horizontal von einer Blende (3) in einen oberen Bereich (6) mit einem offenen Behälter (10), der ein sublimierendes Kältemittel enthält, und einen unteren Bereich der wenigstens ein Abteil für Gefrierprodukte umfaßt, geteilt ist, wobei die oberen und unteren Bereiche über Zugangsmittel (19) zugänglich sind, welche auf einer Seite des Behälters angeordnet sind, wobei ein Raum zwischen dem Kältemittelbehälter und der Blende ausgebildet ist, dadurch gekennzeichnet, daß die Blende aus einem thermisch isolierendem Material gefertigt ist und Abmessungen hat, die etwas kleiner als der Innenquerschnitt des Behälters sind, so daß an seinem äußeren Umfang ein für den Durchgang von Gas geeigneter Zwischenraum (8) verbleibt, daß sich der Kältemittelbehälter im oberen Bereich (6) befindet und zwar in einer derart hinreichenden Entfernung über der Blende, daß der obere Bereich eine Wärmetauschzone durch natürliche Konvektion bildet, und daß sich das Abteil für gekühlte Produkte derart im unteren Bereich befindet, daß ein freier Raum um das Abteil herum ausgespart wird, dessen Abmessungen deutlich unter denjenigen des Innenvolumens des Container liegen.
  2. Container nach Anspruch 1, dadurch gekennzeichnet, daß die Blende (3) aus wenigstens einer Kunststoffplatte gebildet ist und über Befestigungsstäbe (4) an der oberen Wand des Containers hängt.
  3. Container nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß der Behälter die Form einer Schublade mit Gleitschienen (12) aufweist, die in Gleitführungen (13) eingreifen, die über Stützzapfen (14, 15) an der oberen Wand (5) des Containers befestigt sind.
  4. Container nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Boden (18) des Behälters (10) ungefähr mittig zwischen der Blende (3) und der oberen Wand (5) des Containers (1) angeordnet ist.
  5. Container nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Breite des Zwischenraumes (8) zwischen dem Rand der Blende (3) und den vertikalen Wänden des Containers 3 bis 6 cm beträgt.
  6. Container nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß wenigstens der untere Bereich an den Wänden des Containers befestigte Abstandhalter umfaßt.
  7. Container nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Abteil eine mit der Isoliertür des Containers einstückige Zugangstür umfaßt.
  8. Rollwagen zur Lagerung und zum Transport frischer Produkte, dadurch gekennzeichnet, daß dieser einen Container nach einem der vorstehenden Ansprüche umfaßt.
  9. Rollwagen nach Anspruch 8, dadurch gekennzeichnet, daß das Abteil Lagerböden für gekühlte Produkte umfaßt.
  10. Verwendung eines Containers oder eines Rollwagens nach einem der vorstehenden Ansprüche zur Konservierung und zum Transport von Produkten bei Temperaturen um 0°C.
EP89400968A 1988-04-08 1989-04-07 Isolier-Container mit Kältemittelbehälter und Verwendung beim Transport von frischen Produkten Expired - Lifetime EP0337860B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8804659A FR2629799B2 (fr) 1988-02-01 1988-04-08 Trolley ambulant pour le transport de produits frais
FR8804659 1988-04-08

Publications (3)

Publication Number Publication Date
EP0337860A2 EP0337860A2 (de) 1989-10-18
EP0337860A3 EP0337860A3 (de) 1991-05-29
EP0337860B1 true EP0337860B1 (de) 1996-05-22

Family

ID=9365110

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89400968A Expired - Lifetime EP0337860B1 (de) 1988-04-08 1989-04-07 Isolier-Container mit Kältemittelbehälter und Verwendung beim Transport von frischen Produkten

Country Status (8)

Country Link
US (1) US4964283A (de)
EP (1) EP0337860B1 (de)
CA (1) CA1319347C (de)
DE (1) DE68926520T2 (de)
ES (1) ES2088391T3 (de)
GR (1) GR3020303T3 (de)
PT (1) PT90228B (de)
TR (1) TR27507A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6131404A (en) * 1998-06-26 2000-10-17 H & R Industries, Inc. Insulated container

Families Citing this family (24)

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US5747082A (en) * 1990-09-05 1998-05-05 Weyerhaeuser Co Package for perishable food and horticultural products
US5505950A (en) * 1990-09-05 1996-04-09 Weyerhaeuser Company Method of packaging perishable food or horticultural products
US5458899A (en) * 1990-09-05 1995-10-17 Weyerhaeuser Company Method of packaging perishable food or horticultural products
US5908649A (en) * 1990-09-05 1999-06-01 Weyerhaeuser Company Package for perishable food and horticultural products
FR2696158B1 (fr) * 1992-09-29 1994-11-10 Carboxyque Francaise Conteneur isotherme, notamment pour le transport de produits frais ou surgelés.
FR2706990B1 (de) * 1993-06-23 1995-08-04 Carboxyque Francaise
FR2726353B1 (fr) * 1994-10-26 1996-12-20 Carboxyque Francaise Procede de dosage automatique pour conserver a basse temperature des produits dans une enceinte isolee comprenant un volume de chargement et au moins un bac a neige carbonique
FR2758620B1 (fr) 1997-01-20 1999-02-26 Carboxyque Francaise Bac de reception de neige carbonique, et son application a une enceinte et une installation de conservation de produits
IT1291165B1 (it) 1997-03-05 1998-12-29 Monetti Spa Recipiente di refrigerante solido per contenitori isotermici, particolarmente per il trasporto di prodotti a temperatura
DE19919934A1 (de) * 1999-04-30 2000-11-02 Tv Kohlensaeure Technik & Vert Vorrichtung und Verfahren zur Temperaturhaltung von Lebensmitteln
NL1016535C2 (nl) * 2000-07-24 2002-01-25 Willem Cornelis Schuddebeurs Koelinrichting.
US6898892B2 (en) * 2002-08-14 2005-05-31 John F. Senckowski Apparatus and method for fishing utilizing the jig fishing system
FR2891354B1 (fr) * 2005-09-28 2007-11-16 Air Liquide Receptacle de neige carbonique a double compartiment pour conteneurs isothermes
FR2891899B1 (fr) * 2005-10-12 2007-11-30 Air Liquide Systeme d'injection de neige carbonique dans des conteneurs isothermes et conteneurs associes
EP2745062B1 (de) * 2011-08-16 2016-11-09 Ferguson, Gary Wayne Ausgabebehälter für temperaturempfindliche waren
FR2984473B1 (fr) 2011-12-15 2014-01-24 Acp Belgium N V /S A Procede de conservation a basse temperature de produits dans une enceinte isolee
JP6255698B2 (ja) * 2013-04-10 2018-01-10 富士電機株式会社 収容庫
JP6191207B2 (ja) * 2013-04-10 2017-09-06 富士電機株式会社 収容庫
RU175886U1 (ru) * 2015-06-17 2017-12-21 Акционерное общество "Информационные спутниковые системы" имени академика М.Ф. Решетнева" Изотермический контейнер
CN105758046A (zh) * 2016-04-28 2016-07-13 浙江和利制冷设备有限公司 超低温触摸屏拆分装置及其工作原理
ITUA20163308A1 (it) 2016-05-10 2017-11-10 Bonetto S R L Contenitore isotermico per il trasporto di alimenti deperibili
FR3058206B1 (fr) * 2016-10-31 2019-08-09 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Echangeur air/neige carbonique et procede de regulation d'un tel echangeur
FR3090599B1 (fr) * 2018-12-20 2021-01-15 Cold & Co Conteneur réfrigérant amélioré
KR20230104418A (ko) * 2021-12-31 2023-07-10 오씨아이 주식회사 단열 컨테이너

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US1998681A (en) * 1932-07-29 1935-04-23 Littleford Brothers Refrigerating container
US1997936A (en) * 1932-10-10 1935-04-16 Pennsylvania Railroad Co Refrigerator container
US2057058A (en) * 1934-06-20 1936-10-13 Internat Carbonic Inc Refrigerator shipping container for container cars
FR2178437A5 (de) * 1972-03-31 1973-11-09 Air France
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DE2731858A1 (de) * 1977-07-14 1979-02-01 Martin A Dipl Ing Frank Verfahren zur kuehlhaltung von guetern in kuehlcontainern und kuehlcontainer
US4498306A (en) * 1982-11-09 1985-02-12 Lewis Tyree Jr Refrigerated transport
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6131404A (en) * 1998-06-26 2000-10-17 H & R Industries, Inc. Insulated container

Also Published As

Publication number Publication date
PT90228B (pt) 1995-05-31
DE68926520D1 (de) 1996-06-27
PT90228A (pt) 1989-11-10
CA1319347C (fr) 1993-06-22
TR27507A (tr) 1995-06-07
DE68926520T2 (de) 1996-09-26
EP0337860A3 (de) 1991-05-29
ES2088391T3 (es) 1996-08-16
GR3020303T3 (en) 1996-09-30
US4964283A (en) 1990-10-23
EP0337860A2 (de) 1989-10-18

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