EP0419138B1 - Marine container roof structure with heat insulation - Google Patents
Marine container roof structure with heat insulation Download PDFInfo
- Publication number
- EP0419138B1 EP0419138B1 EP90310053A EP90310053A EP0419138B1 EP 0419138 B1 EP0419138 B1 EP 0419138B1 EP 90310053 A EP90310053 A EP 90310053A EP 90310053 A EP90310053 A EP 90310053A EP 0419138 B1 EP0419138 B1 EP 0419138B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roof
- heat insulation
- container
- corrugations
- roof structure
- 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
Links
Images
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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
- B65D90/022—Laminated structures
-
- 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
- B65D88/02—Large containers rigid
- B65D88/12—Large containers rigid specially adapted for transport
- B65D88/121—ISO containers
Definitions
- the present invention relates to a marine container roof structure with a heat insulation, and more particularly to a marine container roof structure with a heat insulation, which structure is protected from damage during usage.
- Containers are in the form of simple transportation boxes whose outside surfaces are covered with metal panels, and widely used in many transport applications such as ship, railroad, and automobile transport systems.
- One known marine container disclosed in US-A- 3,206,902 comprises a floor, a roof, and side walls each comprising a heat-insulated structural body which is composed of a heat insulation sandwiched between two metal panels.
- the roof structure of a marine container with a heat insulation will be described below with reference to the accompanying drawings.
- Fig. 6 of the accompanying drawings shows in fragmentary cross section a roof of a marine container which is in the form of a long rectangular parallelepiped (see Fig. 5) or a hexahedral shape, the view being taken along a longitudinal plane extending from the roof to the confronting floor of the container.
- the roof of the marine container has a flat roof panel 2 and a flat inner lining panel 3 which are disposed upwardly and downwardly of transverse beams 1 spaced at intervals in the longitudinal direction of the container.
- the space between the roof panel 2 and the inner lining panel 3 is filled with a heat insulation 4.
- the container also includes side panels 11 extending downwardly from the side edges of the roof.
- the marine container with cargo stored therein, is loaded from ground onto a ship or unloaded from a ship onto ground, by a container crane.
- the marine container has corner members 5 on its corners which will be hooked for loading and unloading. More specifically, as shown in Fig. 5, fastening hooks 7 of a spreader 6 of a container crane are held in engagement with the respective corner members 5, and the marine container is lifted or lowered by the container crane through the spreader 6.
- the container is suspended by the container crane, the container is largely flexed by a vertical interval 6 at its center due to the weight of the cargo stored in the container as illustrated in Fig.7. Therefore, the roof panel 2 of the marine container is subjected to a compressive load while the container is being suspended.
- the roof panel 2 undergoes repeated compressive loads when the container is loaded and unloaded, and hence will have localized metal fatigue regions or localized deformed regions.
- the localized metal fatigue regions produce cracks in the roof panel 2, or the localized deformed regions force the roof panel 2 to be peeled off the heat insulation 4 or rupture the heat insulation 4.
- the cracks in the roof panel 2 allow rainwater to enter into the container roof, and the peeling or rupture of the heat insulation 4 reduces the heat insulation capability thereof.
- FR-A-2363050 discloses a roof structure for a heat-insulated marine container having an elongate hexahedral shape and including a roof, a floor confronting the roof, and corner members positioned at four corners of each of the roof and the floor, the roof structure comprising a heat insulation, a roof panel attached to a face of the heat insulation, an inner lining panel attached to a back of the heat insulation and plurality of stress-absorbing corrugations disposed on at least the roof panel, and according to the present invention such a roof structure is characterised in that the corrugations extend longitudinally of the container, and have a triangular cross-section.
- the stress-absorbing corrugations may be disposed on both the roof panel and the inner lining panel.
- the corrugations comprise ridges projecting outwardly from the roof, or grooves formed concavely inwardly into the roof.
- the corrugations are preferably spaced at pitches which are smaller in a region of the roof where produced stresses are larger.
- the marine container roof structure includes a roof panel 2 bonded to the upper surface of a heat insulation.
- the roof panel 2 has two pairs of longitudinal ridges 80 respectively at lateral sides thereof and a single longitudinal ridge 80 at the centre.
- the two pairs of longitudinal ridges 80 at the lateral sides are located inwardly of the lateral edges of the roof panel 2, leaving attachment margins along which the lateral edges of the roof panel 2 are fastened to upper side frames 9 by rivets 10.
- the longitudinal ridges 80 are of a triangular cross-section as shown in Fig. 3. As shown in Fig. 2, an inner lining panel 3 bonded to the lower surface of the heat insulation also has similar longitudinal ridges 80. Therefore, the upper and lower surfaces of the roof of the marine container are stiffened by the ridges 80, so that the marine container has an increased service life.
- the longitudinal ridges 80 are provided at the lateral sides and centre of at least the roof panel 2, irregular compressive loads applied to the roof which are produced when the marine container is suspended can be absorbed by the longitudinal ridges 80, and hence the roof panel 2 is prevented from being locally buckled.
- the longitudinal ridges 80 are also effective to absorb thermal strains in the roof. Therefore, any damage to the roof of the marine container due to compressive load irregularities and thermal strains is minimized, and the service life of the marine container is extended.
- Fig. 4 shows a modification of the marine container roof structure according to Figs 1 to 3.
- a roof panel 2 has two pairs of longitudinal grooves 80′ respectively at lateral sides thereof and a single longitudinal groove 80′ at the centre.
- An inner lining panel 3 also has similar longitudinal grooves 80′. These longitudinal grooves 80′ in the roof panel 2 and the inner lining panel 3 are also effective in stiffening the upper and lower surfaces of the roof and hence increasing the service life of the marine container.
Description
- The present invention relates to a marine container roof structure with a heat insulation, and more particularly to a marine container roof structure with a heat insulation, which structure is protected from damage during usage.
- Containers are in the form of simple transportation boxes whose outside surfaces are covered with metal panels, and widely used in many transport applications such as ship, railroad, and automobile transport systems.
- Among various containers are large-size marine containers used mainly for sea transport. One known marine container disclosed in US-A- 3,206,902 comprises a floor, a roof, and side walls each comprising a heat-insulated structural body which is composed of a heat insulation sandwiched between two metal panels. The roof structure of a marine container with a heat insulation will be described below with reference to the accompanying drawings.
- Fig. 6 of the accompanying drawings shows in fragmentary cross section a roof of a marine container which is in the form of a long rectangular parallelepiped (see Fig. 5) or a hexahedral shape, the view being taken along a longitudinal plane extending from the roof to the confronting floor of the container. As shown in Fig. 6; the roof of the marine container has a
flat roof panel 2 and a flatinner lining panel 3 which are disposed upwardly and downwardly of transverse beams 1 spaced at intervals in the longitudinal direction of the container. The space between theroof panel 2 and theinner lining panel 3 is filled with a heat insulation 4. The container also includesside panels 11 extending downwardly from the side edges of the roof. - The marine container, with cargo stored therein, is loaded from ground onto a ship or unloaded from a ship onto ground, by a container crane.
- As shown in Figs. 5 and 6, the marine container has
corner members 5 on its corners which will be hooked for loading and unloading. More specifically, as shown in Fig. 5, fasteninghooks 7 of aspreader 6 of a container crane are held in engagement with therespective corner members 5, and the marine container is lifted or lowered by the container crane through thespreader 6. When the marine container is suspended by the container crane, the container is largely flexed by avertical interval 6 at its center due to the weight of the cargo stored in the container as illustrated in Fig.7. Therefore, theroof panel 2 of the marine container is subjected to a compressive load while the container is being suspended. Since the marine container is repeatedly used over a long period of time, theroof panel 2 undergoes repeated compressive loads when the container is loaded and unloaded, and hence will have localized metal fatigue regions or localized deformed regions. The localized metal fatigue regions produce cracks in theroof panel 2, or the localized deformed regions force theroof panel 2 to be peeled off the heat insulation 4 or rupture the heat insulation 4. The cracks in theroof panel 2 allow rainwater to enter into the container roof, and the peeling or rupture of the heat insulation 4 reduces the heat insulation capability thereof. - In view of the aforesaid problems of the conventional heat-insulated marine container roof structure, it is an object of the present invention to provide a marine container roof structure with a heat insulation, which structure is capable of absorbing localized load irregularities or deviations which are caused in the roof when the container is loaded or unloaded.
- FR-A-2363050 discloses a roof structure for a heat-insulated marine container having an elongate hexahedral shape and including a roof, a floor confronting the roof, and corner members positioned at four corners of each of the roof and the floor, the roof structure comprising a heat insulation, a roof panel attached to a face of the heat insulation, an inner lining panel attached to a back of the heat insulation and plurality of stress-absorbing corrugations disposed on at least the roof panel, and according to the present invention such a roof structure is characterised in that the corrugations extend longitudinally of the container, and have a triangular cross-section.
- The stress-absorbing corrugations may be disposed on both the roof panel and the inner lining panel. The corrugations comprise ridges projecting outwardly from the roof, or grooves formed concavely inwardly into the roof. The corrugations are preferably spaced at pitches which are smaller in a region of the roof where produced stresses are larger.
- In the accompanying drawings:-
- Fig. 1 is a plan of a marine container roof structure according to the present invention;
- Fig. 2 is an enlarged sectional view taken along the line VII - VII of Fig, 1;
- Fig. 3 is a cross-sectional view showing a longitudinal ridge;
- Fig. 4 is a fragmentary perspective view of a modification of the marine container roof structure according to Figs. 1 to 3;
- Fig. 5 is a perspective view of a typical marine container and spreader for suspending the marine container;
- Fig. 6 is a fragmentary vertical cross-sectional view of a conventional marine container; and,
- Fig. 7 is a side elevational view showing the manner in which a roof panel of a marine container is flexed when the container is suspended.
- As shown in Fig. 1, the marine container roof structure includes a
roof panel 2 bonded to the upper surface of a heat insulation. Theroof panel 2 has two pairs oflongitudinal ridges 80 respectively at lateral sides thereof and a singlelongitudinal ridge 80 at the centre. As shown in Fig. 2, the two pairs oflongitudinal ridges 80 at the lateral sides are located inwardly of the lateral edges of theroof panel 2, leaving attachment margins along which the lateral edges of theroof panel 2 are fastened to upper side frames 9 byrivets 10. - The
longitudinal ridges 80 are of a triangular cross-section as shown in Fig. 3. As shown in Fig. 2, aninner lining panel 3 bonded to the lower surface of the heat insulation also has similarlongitudinal ridges 80. Therefore, the upper and lower surfaces of the roof of the marine container are stiffened by theridges 80, so that the marine container has an increased service life. - In as much as the
longitudinal ridges 80 are provided at the lateral sides and centre of at least theroof panel 2, irregular compressive loads applied to the roof which are produced when the marine container is suspended can be absorbed by thelongitudinal ridges 80, and hence theroof panel 2 is prevented from being locally buckled. Thelongitudinal ridges 80 are also effective to absorb thermal strains in the roof. Therefore, any damage to the roof of the marine container due to compressive load irregularities and thermal strains is minimized, and the service life of the marine container is extended. - Fig. 4 shows a modification of the marine container roof structure according to Figs 1 to 3. As shown in Fig. 4, a
roof panel 2 has two pairs oflongitudinal grooves 80′ respectively at lateral sides thereof and a singlelongitudinal groove 80′ at the centre. Aninner lining panel 3 also has similarlongitudinal grooves 80′. Theselongitudinal grooves 80′ in theroof panel 2 and theinner lining panel 3 are also effective in stiffening the upper and lower surfaces of the roof and hence increasing the service life of the marine container.
Claims (5)
- A roof structure for a heat-insulated marine container having an elongate hexahedral shape and including a roof (2), a floor confronting the roof, and corner members (5) positioned at four corners of each of the roof and the floor, the roof structure comprising a heat insulation (4), a roof panel (2) attached to a face of the heat insulation (4), an inner lining panel (3) attached to a back of the heat insulation (4) and a plurality of stress-absorbing corrugations (80,80′) disposed on at least the roof panel, characterised in that the corrugations (80,80′) extend longitudinally of the container, and have a triangular cross-section.
- A roof structure according to claim 1, wherein the stress-absorbing corrugations (80,80′) are disposed on both the roof panel (2) and the inner lining panel (3).
- A roof structure according to claim 1 or claim 2, wherein the corrugations comprise ridges (80) projecting outwardly from the roof.
- A roof structure according to claim 1 or claim 2, wherein the corrugations comprise grooves (80′) formed concavely inwardly into the roof.
- A roof structure according to any one of the preceding claims, wherein the corrugations (80,80′) are spaced at pitches which are smaller in a region of the roof where produced stresses are larger.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19930121120 EP0594226A3 (en) | 1989-09-14 | 1990-09-13 | Marine container roof structure with heat insulation. |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP107238/89 | 1989-09-14 | ||
JP10723889U JPH0345894U (en) | 1989-09-14 | 1989-09-14 | |
JP1150390U JPH03102489U (en) | 1990-02-09 | 1990-02-09 | |
JP11503/90 | 1990-02-09 | ||
JP1990028187U JPH0720064Y2 (en) | 1990-03-22 | 1990-03-22 | Roofboard structure of a maritime container with heat insulation structure |
JP28187/90 | 1990-03-22 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93121120.5 Division-Into | 1990-09-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0419138A1 EP0419138A1 (en) | 1991-03-27 |
EP0419138B1 true EP0419138B1 (en) | 1994-07-13 |
Family
ID=27279451
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19930121120 Ceased EP0594226A3 (en) | 1989-09-14 | 1990-09-13 | Marine container roof structure with heat insulation. |
EP90310053A Expired - Lifetime EP0419138B1 (en) | 1989-09-14 | 1990-09-13 | Marine container roof structure with heat insulation |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19930121120 Ceased EP0594226A3 (en) | 1989-09-14 | 1990-09-13 | Marine container roof structure with heat insulation. |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP0594226A3 (en) |
KR (1) | KR910006115A (en) |
DE (1) | DE69010602T2 (en) |
MY (1) | MY106457A (en) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5685451A (en) * | 1996-01-17 | 1997-11-11 | Delta Consolidated Industries | Carrying case with inserted nameplate |
US9233696B2 (en) | 2006-03-20 | 2016-01-12 | General Electric Company | Trip optimizer method, system and computer software code for operating a railroad train to minimize wheel and track wear |
US10569792B2 (en) | 2006-03-20 | 2020-02-25 | General Electric Company | Vehicle control system and method |
US9733625B2 (en) | 2006-03-20 | 2017-08-15 | General Electric Company | Trip optimization system and method for a train |
US10308265B2 (en) | 2006-03-20 | 2019-06-04 | Ge Global Sourcing Llc | Vehicle control system and method |
WO2004052755A1 (en) * | 2002-12-09 | 2004-06-24 | Mærsk Container Industri As | Container |
US8924049B2 (en) | 2003-01-06 | 2014-12-30 | General Electric Company | System and method for controlling movement of vehicles |
US8370007B2 (en) | 2006-03-20 | 2013-02-05 | General Electric Company | Method and computer software code for determining when to permit a speed control system to control a powered system |
US9201409B2 (en) | 2006-03-20 | 2015-12-01 | General Electric Company | Fuel management system and method |
US8473127B2 (en) | 2006-03-20 | 2013-06-25 | General Electric Company | System, method and computer software code for optimizing train operations considering rail car parameters |
US9527518B2 (en) | 2006-03-20 | 2016-12-27 | General Electric Company | System, method and computer software code for controlling a powered system and operational information used in a mission by the powered system |
US9266542B2 (en) | 2006-03-20 | 2016-02-23 | General Electric Company | System and method for optimized fuel efficiency and emission output of a diesel powered system |
US8370006B2 (en) | 2006-03-20 | 2013-02-05 | General Electric Company | Method and apparatus for optimizing a train trip using signal information |
US8290645B2 (en) | 2006-03-20 | 2012-10-16 | General Electric Company | Method and computer software code for determining a mission plan for a powered system when a desired mission parameter appears unobtainable |
US8768543B2 (en) | 2006-03-20 | 2014-07-01 | General Electric Company | Method, system and computer software code for trip optimization with train/track database augmentation |
US8788135B2 (en) | 2006-03-20 | 2014-07-22 | General Electric Company | System, method, and computer software code for providing real time optimization of a mission plan for a powered system |
US9156477B2 (en) | 2006-03-20 | 2015-10-13 | General Electric Company | Control system and method for remotely isolating powered units in a vehicle system |
US8249763B2 (en) | 2006-03-20 | 2012-08-21 | General Electric Company | Method and computer software code for uncoupling power control of a distributed powered system from coupled power settings |
US8126601B2 (en) | 2006-03-20 | 2012-02-28 | General Electric Company | System and method for predicting a vehicle route using a route network database |
US8401720B2 (en) | 2006-03-20 | 2013-03-19 | General Electric Company | System, method, and computer software code for detecting a physical defect along a mission route |
CN101796681B (en) | 2007-09-06 | 2013-02-13 | F3&I2有限责任公司 | Energy generating modules with fuel chambers |
US8373289B2 (en) | 2007-09-06 | 2013-02-12 | F3 & I2, Llc | Energy generating modules with fuel chambers |
WO2010014115A2 (en) | 2008-07-31 | 2010-02-04 | F3 & I2, Llc | Modular panels for enclosures |
US8235009B2 (en) | 2009-02-03 | 2012-08-07 | F3 & I2, Llc | Energy generating modules with exterior wall fuel chambers |
KR101058522B1 (en) | 2009-02-05 | 2011-08-23 | 한국과학기술원 | Insulation Structure and Cryogenic Liquid Storage Tank |
US9834237B2 (en) | 2012-11-21 | 2017-12-05 | General Electric Company | Route examining system and method |
US8234023B2 (en) | 2009-06-12 | 2012-07-31 | General Electric Company | System and method for regulating speed, power or position of a powered vehicle |
KR101055701B1 (en) * | 2009-09-21 | 2011-08-11 | 한국과학기술원 | Insulation Structure and Cryogenic Liquid Storage Tank |
US9669851B2 (en) | 2012-11-21 | 2017-06-06 | General Electric Company | Route examination system and method |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6916329A (en) * | 1969-10-29 | 1971-05-04 | Foamed plastics insulation panels | |
DE7010762U (en) * | 1970-03-24 | 1970-06-25 | Talbot Waggonfab | PORTABLE ROOF OR WALL ELEMENT FOR LARGE CONTAINERS OR WAGON BOXES. |
FR2363050A1 (en) * | 1976-08-25 | 1978-03-24 | Bock Gerhard | Liquefied gas transport container - made of special steel sheet with from insulation, bottom cushion and heated fittings |
CA1078312A (en) * | 1976-09-17 | 1980-05-27 | Diesel Exchange Services Limited | Storage tank structure for the carriage of liquids |
DE8800536U1 (en) * | 1988-01-19 | 1988-03-17 | Cassens, Holger, 2000 Hamburg, De |
-
1990
- 1990-09-13 DE DE69010602T patent/DE69010602T2/en not_active Expired - Fee Related
- 1990-09-13 EP EP19930121120 patent/EP0594226A3/en not_active Ceased
- 1990-09-13 EP EP90310053A patent/EP0419138B1/en not_active Expired - Lifetime
- 1990-09-13 MY MYPI90001580A patent/MY106457A/en unknown
- 1990-09-14 KR KR1019900014559A patent/KR910006115A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE69010602D1 (en) | 1994-08-18 |
DE69010602T2 (en) | 1995-01-26 |
EP0594226A2 (en) | 1994-04-27 |
EP0594226A3 (en) | 1994-11-30 |
MY106457A (en) | 1995-05-30 |
EP0419138A1 (en) | 1991-03-27 |
KR910006115A (en) | 1991-04-27 |
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