US20130228583A1 - Passive thermally regulated knockdown shipping container - Google Patents
Passive thermally regulated knockdown shipping container Download PDFInfo
- Publication number
- US20130228583A1 US20130228583A1 US13/410,494 US201213410494A US2013228583A1 US 20130228583 A1 US20130228583 A1 US 20130228583A1 US 201213410494 A US201213410494 A US 201213410494A US 2013228583 A1 US2013228583 A1 US 2013228583A1
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- Prior art keywords
- panels
- panel
- structural
- sidewall
- thermal insulation
- 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.)
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Classifications
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- 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
- B65D81/3848—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 semi-rigid container folded up from one or more blanks
- B65D81/3862—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 semi-rigid container folded up from one or more blanks with a foam formed container located inside a folded box
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- 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
- B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
- B65D11/18—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material collapsible, i.e. with walls hinged together or detachably connected
- B65D11/1893—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material collapsible, i.e. with walls hinged together or detachably connected with semidetachable components, i.e. with some side walls hinged to each other or to a base panel and the other side walls being detachable to allow collapsing of the container
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- 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
- B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
- B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
- B65D21/0209—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together one-upon-the-other in the upright or upside-down position
- B65D21/0217—Containers with a closure presenting stacking elements
- B65D21/0223—Containers with a closure presenting stacking elements the closure and the bottom presenting local co-operating elements, e.g. projections and recesses
Definitions
- Thermally labile goods are frequently transported or shipped in passive thermally regulated shipping containers (i.e., a thermally insulated container containing a thermally conditioned phase change material such as ice). While generally effective for maintaining an object to be shipped at a nominally heated or cooled temperature, the storage and return transport of empty containers remains an ongoing issue.
- passive thermally regulated shipping containers i.e., a thermally insulated container containing a thermally conditioned phase change material such as ice.
- a first aspect of the invention is a sidewall component suitable for use in construction of a passive thermally regulated knockdown shipping container.
- the sidewall component includes at least two hingedly interconnected structural panels, each carrying a detachable panel of fragile thermal insulation.
- a second aspect of the invention is a passive thermally regulated knockdown shipping container.
- the container includes (i) a pair of separate and independent interchangeable end panels, each carrying a detachable panel of fragile thermal insulation, (ii) a plurality of separate and independent sidewall components in accordance with the first aspect of the invention, (iii) a plurality of primary connection mechanisms, each operable for affecting border to border interconnection of a pair of sidewall components pivoted into a use configuration to form an encircling sidewall assembly, and (iv) a plurality of secondary connection mechanisms, each operable for attaching one of the end panels to the sidewall assembly over an open end of the assembly to form an enclosure defining a thermally regulated payload retention chamber.
- a third aspect of the invention is a stackable panel.
- the panel is configured and arranged with (i) a set of projections extending longitudinally from a first major surface of the panel operable for stably supporting the panel on a planar surface, and (ii) a set of longitudinally inset depressions in the first major surface.
- the depressions are configured and arranged on the panel such that each projection on the panel, if inverted, would nest within a corresponding depression in the panel upon rotation of the inverted set of projections a defined angular distance about a longitudinal axis of the panel relative to the set of depressions.
- a fourth aspect of the invention is a stackable container.
- the container has one or more sidewalls longitudinally separating identically configured and arranged top and bottom panels.
- the top and bottom panels are each configured and arranged with (i) an external set of projections operable for stably supporting the container on a planar surface, and (ii) an external set of depressions.
- the depressions are configured and arranged such that each projection on the panel, if inverted, would nest within a corresponding depression on the panel upon rotation of the inverted set of projections a defined angular distance about a longitudinal axis of the container relative to the set of depressions.
- FIG. 1 is an exploded isometric view of one embodiment of the invention.
- FIG. 2 is an isometric view of the container depicted in FIG. 1 fully assembled.
- FIG. 2A is a top view of the assembled container depicted in FIG. 1 .
- FIG. 2B is a side view of the assembled container depicted in FIG. 2A .
- FIG. 3 is an isometric view of one of the sidewall components depicted in FIG. 1 disposed in a planar storage position.
- FIG. 4 is a cross-sectional side view of the sidewall component depicted in FIG. 3 taken along line 4 - 4 .
- FIG. 4A 1 is a grossly enlarged portion of the cross-sectional side view of the sidewall component depicted in FIG. 4 for purposes of allowing depiction of one means for detachably attaching the thermal insulation panel to the structural sidewall panel.
- FIG. 4A 2 is a grossly enlarged portion of the cross-sectional side view of the sidewall component depicted in FIG. 4 for purposes of allowing depiction of another means for detachably attaching the thermal insulation panel to the structural sidewall panel.
- FIGS. 5A-D depict various arrangements of variously shaped projections and depressions on structural end panels of various cross-sectional shapes that permit stable nestable stacking of containers employing identical structural end panels as both the top and bottom of the containers.
- the term “detachable” means capable of being detached without application of violent force and without damage to or destruction of either the item being detached or the substrate from which the item is being detached.
- the present invention is directed to various components of a modular kit operable for assembly into a passive thermally regulated stackable shipping container 10 , and a shipping container 10 assembled therefrom.
- the shipping container 10 When assembled, the shipping container 10 includes an outer structural shell 20 , a layer of thermal insulation 30 , and optionally a layer of phase change material (not shown) retained within PCM panels 40 , defining a passive thermally regulated payload retention chamber 19 .
- the outer structural shell 20 may be solid or hollow and may be made from any material possessing sufficient structural integrity, including specifically but not exclusively, cellulosic materials such as paperboard and cardboard, engineered wood products such as laminated and unlaminated fiberboard and plywood, wood, plastics such as polyethylene, polypropylene, polyethylene terephthalate, nylon polycarbonates and phenolic resins, wood-plastic composites, metals such as aluminum, copper, brass and steel, glass, ceramics, combinations thereof, and the like.
- cellulosic materials such as paperboard and cardboard, engineered wood products such as laminated and unlaminated fiberboard and plywood, wood, plastics such as polyethylene, polypropylene, polyethylene terephthalate, nylon polycarbonates and phenolic resins, wood-plastic composites, metals such as aluminum, copper, brass and steel, glass, ceramics, combinations thereof, and the like.
- the outer structural shell 20 is divided into separate and independent structural end panels 21 and at least one structural sidewall component 22 . These units are capable of being repeatedly attached to and detached from one another.
- Assembly of a shipping container 10 requires two structural end panels 21 —one to cover the top 21 1 and another to cover the bottom 21 2 .
- the top 21 1 and bottom 21 2 structural end panels are preferably interchangeable with one another so that only a single style end panel 21 need be manufactured and stocked.
- Use of interchangeable top 21 1 and bottom 21 2 structural end panels also simplifies assembly of the shipping container 10 as there is no need to obtain and identify separate top 21 1 and bottom 21 2 structural end panels.
- a technician assembling a shipping container 10 need only obtain two structural end panels 21 .
- the exterior major surface 21 j of the structural end panels 21 may be contoured with a set of rotationally spaced longitudinal projections 21 p and rotationally displaced “matching” set of longitudinal depressions 21 d whereby (i) the projections 21 p terminate along a single horizontal plane such that the structural end panel 21 can rest stably upon the projections 21 p when placed upon a flat horizontal surface, and (ii) the projections 21 p on both structural end panels 21 , disposed with their exterior major surfaces 21 j facing one another, will nest within corresponding depressions 21 d on the other facing structural end panel 21 when one of the facing panels 21 is rotated a defined angular distance about the longitudinal axis x 21 of the panel 21 .
- top 21 1 and bottom 21 2 structural end panels This permits interchangeable top 21 1 and bottom 21 2 structural end panels to be used in assembling a shipping container 10 while still allowing such assembled shipping containers 10 to be stably and nestably stacked upon one another by simply rotating an overlying shipping container 10 a defined angular distance about the longitudinal axis x 10 of the shipping container 10 relative to the immediately underlying shipping container 10 .
- FIGS. 5A-D Exemplary operable arrangements of variously shaped projections 21 p and depressions 21 d on structural end panels 21 having various cross-sectional shapes are depicted in FIGS. 5A-D , wherein depressions 21 d are shaded and projections 21 p are unshaded. Each is described in further detail in TABLE ONE.
- Assembly of a shipping container 10 also requires at least three structural sidewall panels 23 .
- Structural sidewall panels 23 are grouped together on structural sidewall components 22 , with the structural sidewall panels 23 on each structural sidewall component 22 interconnected by a hinge 24 , such as a live hinge.
- the structural sidewall components 22 can be constructed with any number of hingedly interconnected structural sidewall panels 23 on each structural sidewall component 22 . However, as the number of panels 23 on each component 22 increases, so too does the difficulty and complexity of storing and handling the structural sidewall component 22 .
- table TWO A nonexhaustive listing of various geometric and configurational options for the structural sidewall components 22 and shipping containers 10 constructed therefrom is provided below in table TWO.
- the structural sidewall components 22 are preferably interchangeable with one another so that only a single style structural sidewall component 22 need be manufactured and stocked.
- each structural sidewall component 22 are configured and arranged such that the structural sidewall panels 23 can be pivoted relative to one another as between a planar storage configuration in which the structural sidewall panels 23 do not contact one another, and a three-dimensional use configuration in which the and structural sidewall panels 23 abut one another along a length of a border area thereof.
- a panel of thermal insulation 30 is detachably attached to the interior major surface 21 i of each structural end panel 21 and the interior major surface 23 i of each structural sidewall panel 23 on each structural sidewall component 22 .
- the panels of thermal insulation 30 may be constructed of any material having good thermal insulating qualities, (i.e., having a high thermal resistance “R”), such as Styrofoam, vacuum insulated panels, or the like.
- the panels of thermal insulation 30 are aligned on the structural sidewall panels 23 so that the panels of thermal insulation 30 do not contact one another when the structural sidewall panels 23 are disposed in the planar storage configuration, but abut one another along a length of a border area 30 b thereof when the structural sidewall panels 23 are disposed in the three-dimensional use configuration.
- the panels of thermal insulation 30 are aligned on the structural end panels 21 so that the panels of thermal insulation 30 on the end panels 21 abut the panels of thermal insulation 30 attached to the structural sidewall panels 23 along a length of a border area thereof when the structural end panel 21 is attached to the assembled structural sidewall panels 23 .
- thermal insulating panels 30 tend to be fragile and/or frangible (e.g., panels of Styrofoam or vacuum insulated panels). This results in all too frequent damaging of the thermal insulating panels 30 and resultant loss of insulating value.
- the thermal insulating panels 30 are detachably attached to the structural end panels 21 and structural sidewall panels 23 .
- thermal insulating panels 30 A wide variety of options are available for detachably attaching the thermal insulating panels 30 to the interior major surface 21 i of each structural end panel 21 and the interior major surface 23 i of each structural sidewall panel 23 .
- a preferred option is hook and loop tape 50 1 such as shown in FIG. 4A 1 .
- Another preferred option is double-sided pressure sensitive adhesive tape 50 2 such as shown in FIG. 4A 2 .
- Yet another preferred attachment means is a layer of pressure sensitive adhesive coated directly upon the structural end panel 21 , structural sidewall panel 23 , and/or thermal insulating panel 30 .
- Mechanical fasteners may also be used, such as elastic straps, reversible snap fit, reversible press-fit, etc. However, such mechanical fasteners should generally be avoided as they tend to prevent direct contact between the thermal insulating panels 30 when the container 10 is fully assembled, leaving a gap in the layer of thermal insulation through which significant heat loss can occur.
- the payload retention chamber 19 can be lined with panels of phase change material (PCM panels) 40 .
- the PCM panels 40 can be filled with any suitable phase change material, such as water or various hydrocarbons.
- Either of the structural end panels 21 on the shipping container 10 can be selectively removable from the sidewall assembly for allowing insertion and removal of goods from the payload retention chamber 19 .
- PCM panels 40 deployed within the payload retention chamber 19 may similarly be removed for thermal conditioning.
- a primary connection mechanism 60 releasably attaches structural sidewall components 22 to one another.
- a secondary connection mechanism 70 releasably attaches structural end panels 21 to the longitudinal ends of a fully assembled sidewall assembly.
- Both the primary 60 and secondary 70 connection mechanisms can be selected from the wide variety of known mechanical type fasteners capable of repetitive attachment and detachment of components. A nonexhaustive list of such fasteners includes bolts, buckles, catches, clamps, clasps, hasps, latches, hook and loop tape, and the like.
- assembly, use and disassembly of a shipping container 10 in accordance with this invention shall be based upon the shipping container 10 depicted in FIGS. 1 , 2 , 2 A and 2 B.
- the shipping container 10 depicted in FIGS. 1 , 2 , 2 A and 2 B can be rapidly assembled by (i) obtaining a pair of structural end panels 21 and a pair of structural sidewall components 22 , (ii) placing one of the structural end panels 21 onto a planar horizontal surface (not shown) with the interior major surface 21 i of the selected end panel 21 facing upward to establish a bottom structural end panel 21 2 , (iii) placing both structural sidewall components 22 —pivoted into the three-dimensional use position—into orthogonal fitted engagement with the periphery of the interior major surface 21 i of the bottom structural end panel 21 2 and into orthogonal fitted engagement with one another to define a payload retention chamber 19 , (iv) securing the structural sidewall components 22 together with the primary connection mechanisms 60 to form an encircling structural sidewall assembly, (v) securing the structural sidewall assembly to the bottom structural end panel 21 2 with the lower sets of secondary connection mechanisms 70 , (vi) placing the other structural end panel 21 over the open longitudinal
- Loading thermally labile goods (not shown) into an assembled shipping container 10 for transport includes the steps of: (a) detaching the top structural end panel 21 1 from the structural sidewall assembly by disengaging the upper sets of secondary connection mechanisms 70 , (b) removing the detached top structural end panel 21 1 from the structural sidewall assembly for providing access to the payload retention chamber 19 , (c) optionally lining the payload retention chamber 19 with thermally conditioned PCM panels 40 , (d) placing the payload of thermally labile goods (not shown) into the lined or unlined payload retention chamber 19 , (e) optionally covering the open top of the loaded payload retention chamber 19 with a thermally conditioned PCM panel 40 , (f) placing the top structural end panel 21 1 back over the open longitudinal end of the structural sidewall assembly, and (g) securing the top structural end panel 21 1 to the structural sidewall assembly with the upper sets of secondary connection mechanisms 70 .
- Unloading thermally labile goods (not shown) from a shipping container 10 includes the steps of: (A) detaching the top structural end panel 21 1 from the structural sidewall assembly by disengaging the upper sets of secondary connection mechanisms 70 , (B) removing the detached top structural end panel 21 1 from the structural sidewall assembly, (C) removing any underlying PCM panel 40 for providing access to the payload retention chamber 19 , and (D) removing the payload of thermally labile goods (not shown) from the payload retention chamber 19 .
- Knocking down an unloaded shipping container 10 for return transport includes the steps of (1) removing any PCM panels 40 still in the payload retention chamber 19 , (2) detaching the structural sidewall components 22 from one another by disengaging the primary connection mechanisms 60 , (3) detaching the structural sidewall components 22 from the bottom structural end panel 21 2 by disengaging the lower sets of secondary connection mechanisms 70 , and (4) removing the structural sidewall components 22 from the bottom structural end panel 21 2 .
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Abstract
Description
- Thermally labile goods are frequently transported or shipped in passive thermally regulated shipping containers (i.e., a thermally insulated container containing a thermally conditioned phase change material such as ice). While generally effective for maintaining an object to be shipped at a nominally heated or cooled temperature, the storage and return transport of empty containers remains an ongoing issue.
- Efforts to construct foldable or knockdown passive thermally regulated shipping containers in an effort to minimize the space occupied by empty containers have meet with limited success as such containers tend to provide limited thermal regulation, are labor intensive and/or require trained technicians to assemble and disassemble.
- Accordingly, a substantial need continues to exist for knockdown passive thermally regulated shipping container that provides superior thermal regulation and is quick and easy to assemble and disassemble without error.
- A first aspect of the invention is a sidewall component suitable for use in construction of a passive thermally regulated knockdown shipping container. The sidewall component includes at least two hingedly interconnected structural panels, each carrying a detachable panel of fragile thermal insulation.
- A second aspect of the invention is a passive thermally regulated knockdown shipping container. The container includes (i) a pair of separate and independent interchangeable end panels, each carrying a detachable panel of fragile thermal insulation, (ii) a plurality of separate and independent sidewall components in accordance with the first aspect of the invention, (iii) a plurality of primary connection mechanisms, each operable for affecting border to border interconnection of a pair of sidewall components pivoted into a use configuration to form an encircling sidewall assembly, and (iv) a plurality of secondary connection mechanisms, each operable for attaching one of the end panels to the sidewall assembly over an open end of the assembly to form an enclosure defining a thermally regulated payload retention chamber.
- A third aspect of the invention is a stackable panel. The panel is configured and arranged with (i) a set of projections extending longitudinally from a first major surface of the panel operable for stably supporting the panel on a planar surface, and (ii) a set of longitudinally inset depressions in the first major surface. The depressions are configured and arranged on the panel such that each projection on the panel, if inverted, would nest within a corresponding depression in the panel upon rotation of the inverted set of projections a defined angular distance about a longitudinal axis of the panel relative to the set of depressions.
- A fourth aspect of the invention is a stackable container. The container has one or more sidewalls longitudinally separating identically configured and arranged top and bottom panels. The top and bottom panels are each configured and arranged with (i) an external set of projections operable for stably supporting the container on a planar surface, and (ii) an external set of depressions. The depressions are configured and arranged such that each projection on the panel, if inverted, would nest within a corresponding depression on the panel upon rotation of the inverted set of projections a defined angular distance about a longitudinal axis of the container relative to the set of depressions.
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FIG. 1 is an exploded isometric view of one embodiment of the invention. -
FIG. 2 is an isometric view of the container depicted inFIG. 1 fully assembled. -
FIG. 2A is a top view of the assembled container depicted inFIG. 1 . -
FIG. 2B is a side view of the assembled container depicted inFIG. 2A . -
FIG. 3 is an isometric view of one of the sidewall components depicted inFIG. 1 disposed in a planar storage position. -
FIG. 4 is a cross-sectional side view of the sidewall component depicted inFIG. 3 taken along line 4-4. -
FIG. 4A 1 is a grossly enlarged portion of the cross-sectional side view of the sidewall component depicted inFIG. 4 for purposes of allowing depiction of one means for detachably attaching the thermal insulation panel to the structural sidewall panel. -
FIG. 4A 2 is a grossly enlarged portion of the cross-sectional side view of the sidewall component depicted inFIG. 4 for purposes of allowing depiction of another means for detachably attaching the thermal insulation panel to the structural sidewall panel. -
FIGS. 5A-D depict various arrangements of variously shaped projections and depressions on structural end panels of various cross-sectional shapes that permit stable nestable stacking of containers employing identical structural end panels as both the top and bottom of the containers. - As utilized herein, including the claims, the term “detachable” means capable of being detached without application of violent force and without damage to or destruction of either the item being detached or the substrate from which the item is being detached.
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- 10 Passive Thermally Regulated Shipping Container
- 19 Payload Retention Chamber
- 20 Outer Structural Shell
- 21 Structural End Panel
- 21 1 Upper Structural End Panel
- 21 2 Lower Structural End Panel
- 21 i Interior Major Surface of Structural End Panel
- 21 j Exterior Major Surface of Structural End Panel
- 21 p Projections Extending from the Exterior Major Surface of Structural End Panel
- 21 d Depressions in the Exterior Major Surface of Structural End Panel
- 22 Structural Sidewall Component
- 22 i Interior Major Surface of Structural Sidewall Component
- 22 j Exterior Major Surface of Structural Sidewall Component
- 23 Sidewall Panel on Structural Sidewall Component
- 23 i Interior Major Surface of Structural Sidewall Panel
- 24 Live Hinge Interconnecting First and Second Structural Sidewall Panels on Structural Sidewall Component
- 30 Thermal Insulation Panel
- 30 b Border Area of Thermal Insulation Panel
- 40 Phase Change Material Panels (PCM Panel)
- 50 Means for Detachably Attaching Thermal Insulation Panel to a Structural Panel
- 50 1 Hook and Loop Tape
- 50 2 Pressure Sensitive Adhesive
- 60 Connection Mechanism for Attaching Structural Sidewall Components
- 70 Connection Mechanism for Attaching Structural End Panel to Erected Structural Sidewall Assembly
- x10 Longitudinal Axis of Shipping Container
- x21 Longitudinal Axis of Structural End Panel
- Referring generally to
FIG. 1 , the present invention is directed to various components of a modular kit operable for assembly into a passive thermally regulatedstackable shipping container 10, and ashipping container 10 assembled therefrom. - When assembled, the
shipping container 10 includes an outerstructural shell 20, a layer ofthermal insulation 30, and optionally a layer of phase change material (not shown) retained withinPCM panels 40, defining a passive thermally regulatedpayload retention chamber 19. - The outer
structural shell 20 may be solid or hollow and may be made from any material possessing sufficient structural integrity, including specifically but not exclusively, cellulosic materials such as paperboard and cardboard, engineered wood products such as laminated and unlaminated fiberboard and plywood, wood, plastics such as polyethylene, polypropylene, polyethylene terephthalate, nylon polycarbonates and phenolic resins, wood-plastic composites, metals such as aluminum, copper, brass and steel, glass, ceramics, combinations thereof, and the like. - The outer
structural shell 20 is divided into separate and independentstructural end panels 21 and at least onestructural sidewall component 22. These units are capable of being repeatedly attached to and detached from one another. - Assembly of a
shipping container 10 requires twostructural end panels 21—one to cover the top 21 1 and another to cover the bottom 21 2. The top 21 1 and bottom 21 2 structural end panels are preferably interchangeable with one another so that only a singlestyle end panel 21 need be manufactured and stocked. Use of interchangeable top 21 1 and bottom 21 2 structural end panels also simplifies assembly of theshipping container 10 as there is no need to obtain and identify separate top 21 1 and bottom 21 2 structural end panels. A technician assembling ashipping container 10 need only obtain twostructural end panels 21. - The exterior
major surface 21 j of thestructural end panels 21 may be contoured with a set of rotationally spacedlongitudinal projections 21 p and rotationally displaced “matching” set oflongitudinal depressions 21 d whereby (i) theprojections 21 p terminate along a single horizontal plane such that thestructural end panel 21 can rest stably upon theprojections 21 p when placed upon a flat horizontal surface, and (ii) theprojections 21 p on bothstructural end panels 21, disposed with their exteriormajor surfaces 21 j facing one another, will nest within correspondingdepressions 21 d on the other facingstructural end panel 21 when one of the facingpanels 21 is rotated a defined angular distance about the longitudinal axis x21 of thepanel 21. This permits interchangeable top 21 1 and bottom 21 2 structural end panels to be used in assembling ashipping container 10 while still allowing such assembledshipping containers 10 to be stably and nestably stacked upon one another by simply rotating an overlying shipping container 10 a defined angular distance about the longitudinal axis x10 of theshipping container 10 relative to the immediatelyunderlying shipping container 10. - Exemplary operable arrangements of variously shaped
projections 21 p anddepressions 21 d onstructural end panels 21 having various cross-sectional shapes are depicted inFIGS. 5A-D , whereindepressions 21 d are shaded andprojections 21 p are unshaded. Each is described in further detail in TABLE ONE. -
TABLE ONE NECESSARY PROJECTIONS ANGULAR CROSS- ROTATION SECTIONAL SHAPE OF TO ACHIEVE FIG. # # SHAPE PANEL NESTING 5A 4 Square Rectangle 180° 5B 4 Triangle Square 90° 5C 3 Circle Square 180° 5D 3 Hexagon Hexagon 60° - Assembly of a
shipping container 10 also requires at least threestructural sidewall panels 23. -
Structural sidewall panels 23 are grouped together onstructural sidewall components 22, with thestructural sidewall panels 23 on eachstructural sidewall component 22 interconnected by ahinge 24, such as a live hinge. - The
structural sidewall components 22 can be constructed with any number of hingedly interconnectedstructural sidewall panels 23 on eachstructural sidewall component 22. However, as the number ofpanels 23 on eachcomponent 22 increases, so too does the difficulty and complexity of storing and handling thestructural sidewall component 22. A nonexhaustive listing of various geometric and configurational options for thestructural sidewall components 22 andshipping containers 10 constructed therefrom is provided below in table TWO. -
TABLE TWO SIDEWALL COMPONENT SHIPPING CONTAINER # of Panels # of Sidewall Cross-Sectional on Each Components Shape 2 2 Square 2 3 Hexagon 2 4 Octagon 2 5 Decagon 3 1 Triangle 3 2 Hexagon 3 3 Nonagon 4 1 Square 4 2 Octagon 5 1 Pentagon 5 2 Decagon - When the
shipping container 10 is constructed from two or morestructural sidewall components 22 thestructural sidewall components 22, as with theend panels 21, are preferably interchangeable with one another so that only a single stylestructural sidewall component 22 need be manufactured and stocked. - The
structural sidewall panels 23 on eachstructural sidewall component 22 are configured and arranged such that thestructural sidewall panels 23 can be pivoted relative to one another as between a planar storage configuration in which thestructural sidewall panels 23 do not contact one another, and a three-dimensional use configuration in which the andstructural sidewall panels 23 abut one another along a length of a border area thereof. - A panel of
thermal insulation 30 is detachably attached to the interior major surface 21 i of eachstructural end panel 21 and the interiormajor surface 23 i of eachstructural sidewall panel 23 on eachstructural sidewall component 22. The panels ofthermal insulation 30 may be constructed of any material having good thermal insulating qualities, (i.e., having a high thermal resistance “R”), such as Styrofoam, vacuum insulated panels, or the like. - The panels of
thermal insulation 30 are aligned on thestructural sidewall panels 23 so that the panels ofthermal insulation 30 do not contact one another when thestructural sidewall panels 23 are disposed in the planar storage configuration, but abut one another along a length of aborder area 30 b thereof when thestructural sidewall panels 23 are disposed in the three-dimensional use configuration. - In a similar fashion, the panels of
thermal insulation 30 are aligned on thestructural end panels 21 so that the panels ofthermal insulation 30 on theend panels 21 abut the panels ofthermal insulation 30 attached to thestructural sidewall panels 23 along a length of a border area thereof when thestructural end panel 21 is attached to the assembledstructural sidewall panels 23. - Preferred materials for use as the thermal insulating
panels 30 tend to be fragile and/or frangible (e.g., panels of Styrofoam or vacuum insulated panels). This results in all too frequent damaging of the thermal insulatingpanels 30 and resultant loss of insulating value. In order to facilitate replacement of damaged and/or failing thermal insulatingpanels 30 without requiring replacement of an entirestructural end panel 21 orstructural sidewall panel 23, the thermal insulatingpanels 30 are detachably attached to thestructural end panels 21 andstructural sidewall panels 23. - A wide variety of options are available for detachably attaching the thermal insulating
panels 30 to the interior major surface 21 i of eachstructural end panel 21 and the interiormajor surface 23 i of eachstructural sidewall panel 23. A preferred option is hook andloop tape 50 1 such as shown inFIG. 4A 1. Another preferred option is double-sided pressure sensitiveadhesive tape 50 2 such as shown inFIG. 4A 2. Yet another preferred attachment means is a layer of pressure sensitive adhesive coated directly upon thestructural end panel 21,structural sidewall panel 23, and/or thermal insulatingpanel 30. Mechanical fasteners may also be used, such as elastic straps, reversible snap fit, reversible press-fit, etc. However, such mechanical fasteners should generally be avoided as they tend to prevent direct contact between the thermal insulatingpanels 30 when thecontainer 10 is fully assembled, leaving a gap in the layer of thermal insulation through which significant heat loss can occur. - Referring to
FIG. 1 , thepayload retention chamber 19 can be lined with panels of phase change material (PCM panels) 40. ThePCM panels 40 can be filled with any suitable phase change material, such as water or various hydrocarbons. - Either of the
structural end panels 21 on theshipping container 10 can be selectively removable from the sidewall assembly for allowing insertion and removal of goods from thepayload retention chamber 19.PCM panels 40 deployed within thepayload retention chamber 19 may similarly be removed for thermal conditioning. - A
primary connection mechanism 60 releasably attachesstructural sidewall components 22 to one another. Asecondary connection mechanism 70 releasably attachesstructural end panels 21 to the longitudinal ends of a fully assembled sidewall assembly. Both the primary 60 and secondary 70 connection mechanisms can be selected from the wide variety of known mechanical type fasteners capable of repetitive attachment and detachment of components. A nonexhaustive list of such fasteners includes bolts, buckles, catches, clamps, clasps, hasps, latches, hook and loop tape, and the like. - For simplification purposes only, assembly, use and disassembly of a
shipping container 10 in accordance with this invention shall be based upon theshipping container 10 depicted inFIGS. 1 , 2, 2A and 2B. - The shipping container 10 depicted in
FIGS. 1 , 2, 2A and 2B can be rapidly assembled by (i) obtaining a pair of structural end panels 21 and a pair of structural sidewall components 22, (ii) placing one of the structural end panels 21 onto a planar horizontal surface (not shown) with the interior major surface 21 i of the selected end panel 21 facing upward to establish a bottom structural end panel 21 2, (iii) placing both structural sidewall components 22—pivoted into the three-dimensional use position—into orthogonal fitted engagement with the periphery of the interior major surface 21 i of the bottom structural end panel 21 2 and into orthogonal fitted engagement with one another to define a payload retention chamber 19, (iv) securing the structural sidewall components 22 together with the primary connection mechanisms 60 to form an encircling structural sidewall assembly, (v) securing the structural sidewall assembly to the bottom structural end panel 21 2 with the lower sets of secondary connection mechanisms 70, (vi) placing the other structural end panel 21 over the open longitudinal end of the structural sidewall assembly in orthogonal fitted engagement with the structural sidewall components 22 to establish a top structural end panel 21 1, and (vii) securing the top structural end panel 21 1 to the structural sidewall assembly with the upper sets of secondary connection mechanisms 70. - Loading thermally labile goods (not shown) into an assembled
shipping container 10 for transport includes the steps of: (a) detaching the topstructural end panel 21 1 from the structural sidewall assembly by disengaging the upper sets ofsecondary connection mechanisms 70, (b) removing the detached topstructural end panel 21 1 from the structural sidewall assembly for providing access to thepayload retention chamber 19, (c) optionally lining thepayload retention chamber 19 with thermally conditionedPCM panels 40, (d) placing the payload of thermally labile goods (not shown) into the lined or unlinedpayload retention chamber 19, (e) optionally covering the open top of the loadedpayload retention chamber 19 with a thermally conditionedPCM panel 40, (f) placing the topstructural end panel 21 1 back over the open longitudinal end of the structural sidewall assembly, and (g) securing the topstructural end panel 21 1 to the structural sidewall assembly with the upper sets ofsecondary connection mechanisms 70. - Unloading thermally labile goods (not shown) from a
shipping container 10 includes the steps of: (A) detaching the topstructural end panel 21 1 from the structural sidewall assembly by disengaging the upper sets ofsecondary connection mechanisms 70, (B) removing the detached topstructural end panel 21 1 from the structural sidewall assembly, (C) removing anyunderlying PCM panel 40 for providing access to thepayload retention chamber 19, and (D) removing the payload of thermally labile goods (not shown) from thepayload retention chamber 19. - Knocking down an unloaded
shipping container 10 for return transport includes the steps of (1) removing anyPCM panels 40 still in thepayload retention chamber 19, (2) detaching thestructural sidewall components 22 from one another by disengaging theprimary connection mechanisms 60, (3) detaching thestructural sidewall components 22 from the bottomstructural end panel 21 2 by disengaging the lower sets ofsecondary connection mechanisms 70, and (4) removing thestructural sidewall components 22 from the bottomstructural end panel 21 2.
Claims (16)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/410,494 US20130228583A1 (en) | 2012-03-02 | 2012-03-02 | Passive thermally regulated knockdown shipping container |
CA2807794A CA2807794C (en) | 2012-03-02 | 2013-02-20 | Passive thermally regulated knockdown shipping container |
EP20130157344 EP2634110B1 (en) | 2012-03-02 | 2013-03-01 | Passive thermally regulated knockdown shipping container |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/410,494 US20130228583A1 (en) | 2012-03-02 | 2012-03-02 | Passive thermally regulated knockdown shipping container |
Publications (1)
Publication Number | Publication Date |
---|---|
US20130228583A1 true US20130228583A1 (en) | 2013-09-05 |
Family
ID=47826951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/410,494 Abandoned US20130228583A1 (en) | 2012-03-02 | 2012-03-02 | Passive thermally regulated knockdown shipping container |
Country Status (3)
Country | Link |
---|---|
US (1) | US20130228583A1 (en) |
EP (1) | EP2634110B1 (en) |
CA (1) | CA2807794C (en) |
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US20150298886A1 (en) * | 2012-11-30 | 2015-10-22 | Laminar Medica Limited | A thermally insulated shipping container |
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US20160145029A1 (en) * | 2014-09-12 | 2016-05-26 | Sonoco Development, Inc. | Temperature Controlled Pallet Shipper |
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US20180016083A1 (en) * | 2015-02-05 | 2018-01-18 | Laminar Medica Limited | A Thermally Insulated Container and Method for Making Same |
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US20200002075A1 (en) * | 2018-06-15 | 2020-01-02 | Cold Chain Technologies, Inc. | Shipping system for storing and/or transporting temperature-sensitive materials |
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USD894043S1 (en) | 2017-12-14 | 2020-08-25 | Dometic Sweden Ab | Zipper pull |
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US11161678B2 (en) | 2018-11-27 | 2021-11-02 | Otter Products, Llc | Portable storage container |
US20210403224A1 (en) * | 2020-06-24 | 2021-12-30 | World Courier Management Limited | Packaging system for transporting temperature-sensitive products |
US11242175B2 (en) | 2019-08-21 | 2022-02-08 | Otter Products, Llc | Configurable container |
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US11634266B2 (en) | 2019-01-17 | 2023-04-25 | Cold Chain Technologies, Llc | Thermally insulated shipping system for parcel-sized payload |
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Also Published As
Publication number | Publication date |
---|---|
EP2634110A2 (en) | 2013-09-04 |
CA2807794C (en) | 2016-04-12 |
EP2634110A3 (en) | 2014-01-08 |
CA2807794A1 (en) | 2013-09-02 |
EP2634110B1 (en) | 2015-04-29 |
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