EP0359892B1 - Partie supérieure d'un conteneur de transport frigorifique et de congélation - Google Patents

Partie supérieure d'un conteneur de transport frigorifique et de congélation Download PDF

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Publication number
EP0359892B1
EP0359892B1 EP88850317A EP88850317A EP0359892B1 EP 0359892 B1 EP0359892 B1 EP 0359892B1 EP 88850317 A EP88850317 A EP 88850317A EP 88850317 A EP88850317 A EP 88850317A EP 0359892 B1 EP0359892 B1 EP 0359892B1
Authority
EP
European Patent Office
Prior art keywords
top structure
chamber
open
cavity
container
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
EP88850317A
Other languages
German (de)
English (en)
Other versions
EP0359892A1 (fr
Inventor
Benny Fredrixon
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.)
M C TRADING AG
Original Assignee
M C TRADING 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
Priority to US07/083,817 priority Critical patent/US4794761A/en
Application filed by M C TRADING AG filed Critical M C TRADING AG
Priority to DE8888850317T priority patent/DE3878907T2/de
Priority to ES198888850317T priority patent/ES2013699T3/es
Priority to DE198888850317T priority patent/DE359892T1/de
Priority to AT88850317T priority patent/ATE86379T1/de
Priority to EP88850317A priority patent/EP0359892B1/fr
Publication of EP0359892A1 publication Critical patent/EP0359892A1/fr
Application granted granted Critical
Publication of EP0359892B1 publication Critical patent/EP0359892B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/02—Wall construction
    • B65D90/06—Coverings, e.g. for insulating purposes
    • 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
    • B65D88/00—Large containers
    • B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
    • B65D88/744—Large containers having means for heating, cooling, aerating or other conditioning of contents heating or cooling through the walls or internal parts of the container, e.g. circulation of fluid inside the walls
    • 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
    • F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
    • F25D3/105—Movable containers

Definitions

  • the present invention relates to a top disposable structure for transport container primarily intended to be used for air freight of goods to be kept cold or frozen, as disclosed in claim 1.
  • One over all object of the invention is to arrange a light weight container for one way use and made from rather in-expensive materiel so that the goods transported inside same can be kept at or below a set temperature for a predetermined time.
  • the invention is partly based on the knowledges disclosed in U.S. Patent No. 4,561,262 which devises a container lid structure for ordinary card board or the like shipping containers intended to keep the contents of such a container at a given temperature during transport.
  • the known lid structure is primarily intended to be used for truck transport between wholesaler and retailer and for repeated use. The lids used are simply returned on next days transport. Return transport is of minor interest in air freight and the known lid is too expensive to be disposed of after use.
  • the known lid includes metal tanks, piping, nozzles et cetera, which makes it difficult to dispose of even if the cost could be minimized.
  • the idea behind this invention is to use only cheap light weight material for the entire container, which material facilitates the production of the container, makes it sufficiently sturdy, gives it good heat insulating properties and facititates desctruction of the used containers without any environmental hazards.
  • the essential object of this invention is to provide an extremely simple yet reliable top structure for light weight insulated containers primarily for air freight purposes and arranged as a cooler unit.
  • Another object of this invention is to provide a top structure which is so in-expensive that it may be disposed of after use and which contains no material involving environmental hazards.
  • Liquid cooling medium such as nitrogen may not in its liquid state reach the goods to be cooled and liquid may not escape from the storing spaces during handling of the container.
  • a further object of the invention is to provide a container top structure so arranged that only gas may emerge from same.
  • the new container and top structure for same includes the combination of an insulated box like structure formed by bottom and walls and made from foamed plastic or like and having a size adapted to the intended use; an insulated top structure supported by an upper edge of the box structure also made of foamed plastic and adapted to be received inside the upper portion of the interior of the box like structure engaging the inside border portion of the box walls, and including cavities formed in the foamed plastic adapted to hold the liquid gas, a passage communicating with each cavity and with the interior of the box structure and a liquid trap, i.e. flow of gasified liquid controlling device inserted in the passage to permit only gasified liquified gas to enter the interior of the box like structure.
  • the box structure is generally designed 1 and said structure which is made of foamed plastic preferably acrilonitrile-butadiene-styrene-plastic, includes a bottom 2 and side walls 3 or the like self-supporting heat insulating material.
  • the bottom or base 2 of the box structure can be a standard pallet of so called Euro-type entirely made of foamed plastic and the wall sections may be secured to the base in any suitable way.
  • the box structure may also have a lining of cardboard, plastic sheet material or the like.
  • the top structure generally designed 4 is also made of foamed or cellular plastic such as acrylonitrile-butadiene-styrene plastic and is designed so it can be inserted into and be supported by the top end of the box structure.
  • a protruding flange like projection 5 is intended to rest against the upper edge of the box structure walls 3.
  • the top structure consist of a block like body 6 with a number of internal cavities 7 and a gas flow controlling device 8 is to be found at the centre thereof.
  • the block like body includes a top part 9 with parallel upper and lower sides.
  • the outer edges are step-wise arranged to form the outer flange 5 intended to rest against the upper edge of the box structure walls 3 and a lower cut out 10 intended to engage a lower part 11 as described below.
  • a circular opening 12 At the center of the top part 9 there is a circular opening 12 having a cut out 13 at its upper end.
  • the lower part 11 of the body may be formed in one piece and may also - if sufficiently large forming machines are not available - be formed as four separate triangular pieces subsequently joined. Lines x indicate joints between four such pieces.
  • the lower part 11 has four triangular cavity forming recesses 15 separated by walls 16 and a hub-like centre portion 17.
  • the upper edge of the outer walls 16′ of the lower part 11 is to engage the cut out 10 of the top part 9, whereas the top side of the recess separating walls 16 engage the lower side of the top part 9.
  • the centre portion 17 has a bore 18, which extends through the lower part 11 to the underside thereof.
  • the lower edge of the bore is bevelled and four V-shaped grooves 19 extend diagonally towards the outer corners of the underside.
  • each of the recesses 15 From the inner corner of each of the recesses 15 to the bore 18 extends a U-shaped groove (not shown) each adapted to receive and position a pipe as described below.
  • a plug 20 having a peripheral flange 21 engaging the cut-out 13 at the upper end of the circular opening 12 of the top part 9 is insertable into said opening so as to meet the upper side of the hub like centre portion 17. Before the plug 20 is inserted the inner corners of each of the recesses or cavities are accessible through the circular opening 12.
  • the gas flow control device 8 includes an outer sleeve 22 having bottom and top walls 23 and 24 respectively, the sleeve being formed by two separate pieces 22′ and 22 ⁇ joined at a snap action V-joint 25; four radially oriented pipes 26 attached to the outer sleeve at holes 27 therein; an internal flange 28 attached to the inside of the sleeve 22 below the holes and pipes 27 and 26 respectively; an inner sleeve 29 open at both ends and secured to the inner edge of the flange 28 and extending upwardly above the holes 27 of the outer sleeve but terminating remote from the outer sleeve top wall 24.
  • the bottom wall 23 extends radially beyond the outside of the outer sleeve forming an abutment for a circular disc 30 and perforations 31 are made through the outer sleeve adjacent the bottom wall thereof.
  • top part 9 and the lower part 11 may be glued together.
  • the lower part 11 consists of four separately formed pieces also such pieces may be glued together.
  • lower part pieces are also mechanically held together by the pipes 22 engaging the top of each centre portion 17 and the disc 30 engaging the underside. Pins attached to the disc and pressing into the bottom material further ensures a good mechanical contact.
  • the cavities 7 are filled to a predetermined level with liquid gas, e.g. nitrogen through the inner corner portions of the cavities accessible through the central opening 12.
  • liquid gas e.g. nitrogen
  • the filling preferably is made with a four barrelled gravity funnel or mouthpiece.
  • the plug 20 is inserted thereby sealing the cavities 7 from the exterior. Gas evaporating from the contents of the cavities now escapes through the pipes 26 into the chamber 32 defined by the inside of the outer sleeve 22, the flange 28 and the inner sleeve 29 and from this chamber over the upper edge of the inner sleeve 29 downwardly through same and out via the perforations 31 to be radially channelled along the V-grooves 19 downwardly partly covered by the disc 30.
  • the rate of evaporation is in per se way determined by the thickness of the insulation and the duration of the transport determines the volume liquid gas necessary.
  • the simplicity of the construction using non-pressurized liquid gas makes it also possible to re-fill the cavities during the transport by removing the plug and pouring liquid into the cavities.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Packages (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Claims (5)

  1. Structure supérieure jetable (4) y compris un ensemble monobloc (6) en plastique expansé ou alvéolaire destinée à la fermeture de la partie supérieure d'un conteneur de transport ouvert vers le haut (1, 2, 3) et destinée à maintenir au froid les produits contenus dans le conteneur de transport, cette structure supérieure (4) comportant des moyens destinés à la supporter sur le dessus du conteneur en une position pour la fermeture du dessus du conteneur ; et, dans cette unité, un réservoir (15) disposé de façon à recevoir un agent de réfrigération liquide sans pression qui s'évapore en un état gazeux, des moyens de remplissage raccordés au réservoir permettant de remplir celui-ci avec l'agent de réfrigération liquide, et des tuyauteries (26) communiquant avec le réservoir et avec des canaux de sortie ouverts en permanence (19) permettant l'arrivée de l'agent de réfrigération à l'état gazeux dans le conteneur de transport, caractérisée en ce que le réservoir recevant l'agent de réfrigération liquide sans pression est une cavité (15) formée directement dans le plastique expansé ou alvéolaire, en ce que les moyens de remplissage comprennent au moins un évidement ouvert vers le haut (12) communiquant avec la cavité ou le réservoir (15) et un bouchon (20) s'emboîtant de façon amovible dans l'évidement et en ce que le raccord entre la conduite et les canaux de sortie débouchant, ouverts en permanence (19) comprennent un piège de liquide constitué par une chambre allongée sensiblement verticale (22) fermée sur les deux extrémités et dans laquelle débouche la conduite provenant des réservoirs, sur son extrémité inférieure,des raccords ouverts étant prévus pour les canaux de sortie ouverts en permanence (19) ; et des moyens en forme de manchons ou enveloppes introduits dans la chambre, ouverts aux deux extrémités et comportant de façon contiguë à son extrémité inférieure une saillie en forme de bride (28) coopérant de façon étanche avec l'intérieur de la chambre (22), l'extrémité supérieure ouverte du manchon (22) étant située au-dessus des ouvertures des conduites du réservoir de la chambre, l'espace autour du manchon à l'intérieur de la chambre allongée formant une chambre piège ne permettant la sortie de l'agent de réfrigération à l'état gazeux seulement par l'extrémité supérieure et vers le bas par le manchon pour atteindre les ouvertures en direction des canaux de sortie ouverts en permanence sur l'extrémité inférieure de la chambre verticale.
  2. Structure supérieure selon la revendication 1, dans laquelle la cavité est constituée d'une pluralité de cavités.
  3. Structure supérieure selon la revendication 1, dans laquelle la structure supérieure est rectangulaire et la cavité est constituée d'un ensemble de cavités triangulaires définies par des évidements dans le bloc en plastique expansé ou alvéolaire, dans laquelle une portion de coin de chaque cavité est située de façon contiguë au centre de la structure et dans laquelle une portion de coin intérieure de chaque cavité s'ouvre sur un évidement ouvert vers le haut (12) du moyen de remplissage pour la cavité et pouvant être obturée par le bouchon (20) insérable dans l'évidement.
  4. Structure supérieure selon la revendication 1, dans laquelle le canal de sortie ouvert en permanence comprend des gorges en forme de V ouvertes vers le bas disposées sur le fond du bloc à l'instar de la structure supérieure à partir du centre du corps en direction de ses bords et un moyen discoïde (30) recouvrant au moins partiellement les gorges par le dessous et où le moyen discoïde est fixé sur l'extrémité de fond de la chambre allongée, l'obturant vers le bas et laissant les perforations dirigées vers le bas vers les gorges en V ouvertes.
  5. Structure supérieure selon la revendication 1 ou 4, dans laquelle la chambre allongée est définie par un manchon extérieur comprenant deux éléments raccordables axialement.
EP88850317A 1987-08-11 1988-09-20 Partie supérieure d'un conteneur de transport frigorifique et de congélation Expired - Lifetime EP0359892B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US07/083,817 US4794761A (en) 1987-08-11 1987-08-11 Top structure for cold or freeze transport container
DE8888850317T DE3878907T2 (de) 1988-09-20 1988-09-20 Deckelstruktur fuer kuehl- und gefriertransportbehaelter.
ES198888850317T ES2013699T3 (es) 1988-09-20 1988-09-20 Estructura de tapa para contenedores para el transporte de mercancias frias y congeladas.
DE198888850317T DE359892T1 (de) 1988-09-20 1988-09-20 Deckelstruktur fuer kuehl- und gefriertransportbehaelter.
AT88850317T ATE86379T1 (de) 1988-09-20 1988-09-20 Deckelstruktur fuer kuehl- und gefriertransportbehaelter.
EP88850317A EP0359892B1 (fr) 1988-09-20 1988-09-20 Partie supérieure d'un conteneur de transport frigorifique et de congélation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88850317A EP0359892B1 (fr) 1988-09-20 1988-09-20 Partie supérieure d'un conteneur de transport frigorifique et de congélation

Publications (2)

Publication Number Publication Date
EP0359892A1 EP0359892A1 (fr) 1990-03-28
EP0359892B1 true EP0359892B1 (fr) 1993-03-03

Family

ID=8200671

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88850317A Expired - Lifetime EP0359892B1 (fr) 1987-08-11 1988-09-20 Partie supérieure d'un conteneur de transport frigorifique et de congélation

Country Status (4)

Country Link
EP (1) EP0359892B1 (fr)
AT (1) ATE86379T1 (fr)
DE (2) DE359892T1 (fr)
ES (1) ES2013699T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119190644B (zh) * 2024-10-18 2025-11-07 中国长江三峡集团有限公司 一种具有降温功能的电解液流储液罐

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1865155A (en) * 1928-03-12 1932-06-28 American Thermos Bottle Co Refrigerating device
DE3003987C2 (de) * 1980-02-04 1984-10-31 Messer Griesheim Gmbh, 6000 Frankfurt Wärmeisolierter Kleincontainer für den mehrstündigen Transport gekühlter Lebensmittel
SE443868B (sv) * 1983-07-11 1986-03-10 Ilsbo Ind Ab Lockanordning for transportbehallare inrettad for vidmakthallande av kyla hos i transportutrymmet befintliga varor
GB2163538A (en) * 1984-07-03 1986-02-26 Peter Frank Goodall A small transportable container for chilled or frozen products or for products requiring controlled atmospheres or environments
US4794761A (en) * 1987-08-11 1989-01-03 Benny Fredrixon Top structure for cold or freeze transport container

Also Published As

Publication number Publication date
ATE86379T1 (de) 1993-03-15
EP0359892A1 (fr) 1990-03-28
DE359892T1 (de) 1990-07-26
DE3878907D1 (de) 1993-04-08
ES2013699T3 (es) 1993-08-01
DE3878907T2 (de) 1993-06-17
ES2013699A4 (es) 1990-06-01

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