CN104583084A

CN104583084A - Insulating packaging

Info

Publication number: CN104583084A
Application number: CN201380044374.7A
Authority: CN
Inventors: 汤马斯·傅; M·R·库克
Original assignee: LBP Manufacturing LLC
Current assignee: LBP Manufacturing Co., Ltd.
Priority date: 2012-06-25
Filing date: 2013-06-19
Publication date: 2015-04-29
Also published as: KR20150030247A; TW201404678A; JP2015521572A; EP2864212A1; HK1209714A1; CA2877768A1; WO2014004219A1

Abstract

A clamshell container includes a bottom portion and a top portion. The bottom portion includes a bottom wall and a side wall attached to the bottom wall. The bottom wall and the side wall form a bottom recessed area. The top portion is connected with the bottom portion along a fold line. The top portion is configured to fold over at least part of the bottom portion at the fold line to form a storage area between the top portion and the bottom recessed area. The top portion and the bottom portion are constructed of a first layer and a second layer attached to the first layer by an insulating material. The insulating material includes micro-encapsulated particles to expand and provide thermal insulation.

Description

Insulating package

related application

Present patent application is the submit on June 23rd, 2009 the 12/490th, the part continuation application of No. 121 U.S. Patent applications, this U.S. Patent application is the submit on March 27th, 2007 the 11/728th, the part continuation application of No. 973 U.S. Patent applications, and advocate the submit on April 3rd, 2006 the 60/789th, the rights and interests of the applying date according to 35U.S.C. § 119 (e) of No. 297 U.S. Provisional Patent Application, all applications are incorporated herein by reference.

Background technology

Customer often buys ready-made dress product in a reservoir, such as Food & Drink.That thermoinsulated container can be designed for heat or cold liquid or food, such as Hot Coffee, iced tea or pizza.These containers can by reduce heat or cold be delivered to customer from inclusion keep the temperature of liquid or food inclusion on hand.

Summary of the invention

A kind of clamshell container, described clamshell container comprises base section and top section.Described base section comprises diapire and is attached to the sidewall on described diapire.Described diapire and described sidewall form bottom recessed region.Described top section is connected along fold line with described base section.Described top section be configured to described base section at least partially above folding at fold line place, thus form storage area between described top section and described bottom recessed region.Described top section and described base section construct by ground floor and by the second layer that insulating material is attached on described ground floor.Described insulating material comprises micro encapsulation seal particle to expand and to provide thermal insulation.

After consulting the following drawings and describing in detail, other system of the present invention, method, feature and advantage for those skilled in the art will be, maybe will become apparent.Wish all this type of other system, method, feature and advantage be included in this describe in, within the scope of the invention and protected by appended claims.

Accompanying drawing explanation

With reference to the following drawings and describe can understanding system and/or method better.Non-limiting and the description of Non-exhaustive is described with reference to the following drawings.Assembly in accompanying drawing need not in proportion, focus on illustrating principle on the contrary.Unless otherwise indicated, otherwise in the accompanying drawings, identical reference number can refer to identical parts in different figures.

Fig. 1 is the transparent view of the cup being assembled with outer wall.

Fig. 2 is the side sectional view of double wall cup.

Fig. 3 is the transparent view of container.

Fig. 4 is the cross-sectional perspective view of container.

Fig. 5 is the cutaway view of container.

Fig. 6 is the cutaway view of container.

Fig. 7 is the cutaway view of container.

Fig. 8 is the view of the blank of container.

Fig. 9 is the cross-sectional perspective view of lock carton.

Figure 10 is the cutaway view of carton.

Figure 11 is the cutaway view of carton.

Figure 12 is the cutaway view of carton.

Figure 13 is the view of the blank of carton.

Figure 14 is the transparent view of the integrated container with passage.

Figure 15 is the transparent view of the integrated container with passage.

Figure 16 is the cross sectional view of the sleeve with cup.

Figure 17 is the top perspective in the cross section of the cup being assembled with outer wall.

Figure 18 is the view of the method making double wall cup.

Figure 19 has the view with the cup of the insulating material of pattern coating.

Figure 20 has the view with the cup of the insulating material of pattern coating.

Figure 21 has the view with the cup of the insulating material of pattern coating.

Figure 22 is the view of the outer wall taken apart from cup.

Figure 23 is the view of the outer wall taken apart from cup.

Figure 24 is the view of the outer wall taken apart from cup.

Figure 25 is the view of the outer wall taken apart from cup.

Figure 26 is the view of the sleeved cup of assembling illustrating heat trnasfer.

Figure 27 is to the diagram of block of the example process on substrate by insulator-coating.

Figure 28 uses spray nozzle by insulator-coating to the schematic diagram on substrate.

Figure 29 uses non-spray nozzle by insulator-coating to the schematic diagram on substrate.

Figure 30 is the example chart of the permeability of heat that example container is shown.

Figure 31 is the heat-insulating example chart that example container is shown.

Figure 32 is the heat-insulating example chart that example container is shown.

Detailed description of the invention

Various packaging and container can use insulation construction and/or insulation.The example of packaging or container can comprise such as clamshell style carton, box, lock carton, bowl or the container that ladles out soup, French French fries container or other container various or packaging.It is one or more that packaging or container can be made up of one or more in following item or comprise in following item: corrugated paper, non-corrugated paper, corrugated plating, non-corrugated plating, solid cardboard, pertinax, laminated paper or couch board or other paper various, cardboard, card board or other products.

Insulating material can be fixed on container or it can be coated on dismountable sleeve.Insulating material, such as heat-swellable and/or containing the additive material in space, can be coated on container or outer wall or on both.Insulating material (such as, when manufacturing container and/or container sleeve) can expand before arrival end user, and/or insulating material can only only to expand with such as temperature when final utilization.Insulating material can be used for the insulating capacity of additional reservoir and/or container sleeve, and/or is used for as container and/or container sleeve additional stiffness, to reduce the thickness of the material composition of container and/or container sleeve.

Fig. 1 illustrates the container 100 with inwall 102 and outer wall 104, such as cup.Blank for outer wall 104 can be the container sleeve of container 100 or the form of wall or main body.Container is not limited to cup and can is other container any, including but not limited to bulk coffee container, soup basin, compressing container, plate, sleeve (such as, single-face corrugated, Double side ripple, non-ripple, cardboard etc.), lock carton, pallet, bowl, clam shell and there is or do not have other container of lid or sleeve.Container 100 can be cylindrical cup or the container with other geometric configuration, this geometric configuration comprise taper, rectangle etc.The blank of outer wall 104 is not limited to ripple dieacut blanks, and can by structures such as the cardboard of any kind, paper, paillon foil, film, fabric, foam, plastics.Outer wall 104 can be made up of any nominal paper stock, including but not limited to natural one side, white edge one side, coating bleached side one side, ripple, groove ripple line or these any combination.Outer wall 104 can remove from container 100 or outer wall 104 can adhere on container 100.Hot melt adhesive, sloppy heat glue and/or other gluing or sealing mechanism any can be used such as to be adhered on container by outer wall 104 by the blank of lamination outer wall 104.Or or in addition, insulating material can be used to adhere to the blank of outer wall 104.If outer wall 104 is attached on cup during manufacture, so can raise the efficiency because eliminating the number of assembling steps of business end user.In addition, it can reduce the amount of memory needed for business end user, such as, store article instead of two.

Fig. 1 may not draw in proportion.Such as, outer wall 104 can than the greater or lesser part on surface illustrating covering container 100.Such as, outer wall 104 can provide complete main body to cover.The surf zone increasing outer wall 104 can provide larger insulating regions and larger print surface.Although accompanying drawing is illustrated in the outer wall 104 on cup, outer wall 104 can be attached to other container any, such as but not limited to bulk beverage container, compressing container and soup basin.Or or in addition, outer wall 104 can be attached on container sleeve.

Fig. 2 is the side sectional view of container 100, and this container can be double wall cup.Container 100 can provide air to overlap 200 between the inclusion 206 of outer wall 104 and container 100 (such as, heat or cold beverage or food).As passing through hull-skin temperature T _omeasured, air jacket 200 can provide thermal insulation.Air jacket 200 can partially or completely around container 100.When container 100 is picked up, the pressure be applied on outer wall 104 can work to flatten outer wall 104 at spot pressure place, thus reduces air jacket 200 and may start to contact with the inwall 102 of container 100.Air jacket 200 can flatten and can provide Low rigidity sense under spot pressure, and this contact can produce focus on outer wall 104.

The insulating material 216 applied between inwall 102 and outer wall 104 can reduce or eliminate this to be affected.If use the insulating material 216 of q.s, so insulating material 216 can work to provide rigidity and the thermal insulation that can not damage air jacket 200 pairs of outer walls 104, and outer wall 104 can not completely or partially be flattened.Insulating material 216 can be container 100 additional mechanical strength.Due to the mechanical strength added by insulating material 216, therefore can be used for manufacturing container 100 compared with the material of light weight, make it possible to the prototype reducing the substrate forming container 100.Insulating material 216 can be coated on inwall 102 or outer wall 104 or on both by point (such as, round dot or other pattern), makes insulating material 216 define air gap 200 and prevents outer wall 104 flat on inwall 102 at gripping pressure.Insulating material 216 can also provide rigidity sense for user, allows to reduce backing material, such as inwall 102 or outer wall 104 simultaneously.

Insulating material 216 can expand upon activation, or can such as by adding air or unreactable gas, original position space, microballoon, expended microsphere or other foaming agent carry out preexpanding.Insulating material 216 by such as temperature, pressure, humidity or otherwise can activate.In an example, insulating material 216 can by high temperature or Low Temperature Thermal activation.Insulating material 216 can be inflatable insulating material or adhesion agent.In addition or or, insulating material 216 can including but not limited to any combination of adhesives, expended microsphere or other micro encapsulation seal particle, pigment and other additive, adhesion agent (such as, hot melt adhesive, pressure sensitive adhesive), inert gas blown hot melt adhesive, aqueous coating containing heat-expandable microsphere, starch-based glue stick, natural polymer adhesion agent, polyvinylchloride (PVC), foamed coating, biodegradable glue or these or other material.Insulating material 216 can comprise original position space, microballoon, particulate, fiber, expansible fibre, dissolved particles etc.Insulating material 216 can be biodegradable, decomposable and/or can recirculation.

Insulating material 216 when moistening or dry time can be expandable.Insulating material 216 can comprise any synthesis or natural material, comprises water base, solvent-based, high solids or 100% solid material.The amount of solids content normally material 30% to 80%, and more preferably 40% to 70%.Other composition can be attached to adhesives and/or insulating material 216, including but not limited to pigment or dyestuff, extending agent/extender, for the inhibiter of dispersion liquid, with thinking the additives etc. such as the thickening agent of optimizing application controls viscosity or solvent, foaming agent, defoamer, such as wax or slippage auxiliary agent.Or adhesives and/or insulating material 216 can be adhesion agent.Insulating material 216 can have some characteristics, including but not limited to thermal insulation to keep that container contents is hot or cold, absorption condensation and/or liquid and/or its with hot material (such as, 150 more than ℉) contact time can expand, and preferably, kept not activating before determined design activation temperature (such as, at around room temperature).Insulating material 216 can be Repulpable, can recirculation and/or biodegradable.

In another example, insulating material 216 comprises the synthesis or bio-based foam that are formed with unreactable gass such as such as nitrogen.The unreactable gass such as such as nitrogen can be injected in insulating material 216.Such as, the unreactable gas such as such as nitrogen can be injected in hot melt adhesive, starch-based glue stick or the natural polymer adhesion agent that may use.Before placement outer wall 104, foam texture can be provided by gas application to the outside face of inwall 102 thus for these materials, and therefore improve mechanical specialities and the heat insulation characteristics of double sheet container.Can such as before by gas application to outer wall 104 or during being applied to outer wall 104 by gas inject in insulating material 216.

Or or in addition, insulating material 216 can be the coating or adhesion agent that are combined with foamer or foaming agent.Foamer or foaming agent can produce gas when heating thus can make insulating material 216 activate to present such as space, open texture or other.Or foamer or foaming agent can be the materials that can decompose under certain condition (such as, temperature or pressure) to discharge gas.Heating can be there is during with inclusion 206 (such as, hot Foods or drinks) filling containers.Or, heating can be there is from external source (such as, microwave or water-bath).

Fig. 3 is the transparent view of the example container 220 in open mode.Fig. 4 to Fig. 7 be in off position in the perspective cross-sectional view of example container 220.Fig. 8 is the example of blank 250 that can be used for being formed container 220.Container 220 can be clamshell style carton or box, collapsible carton or other shape various of ripple.

Container 220 can construct or use this blank to construct by one or more blank (such as, blank 250).Blank 250 can by the cardboard of any kind, paper, paillon foil, film, fabric, foam, plastics or other material structure various.As an example, blank can be made up of one or more layers ply of board or ply of paper or comprise one or more layers ply of board or ply of paper, such as inwall 102 and outer wall 104.Ply of paper wall 102 and ply of paper wall 104 can be or to comprise in following item one or more: nominal paper stock, natural one side, white edge one side, the corrugated paper of coating bleached side one side, Double side ripple paper, non-corrugated paper, card board, groove line corrugated paper or these any combination.

Insulating material 216 can be coated between the inwall 102 of container 220 and outer wall 104.Insulating material 216 can be same as or similar in appearance to the insulating material used together with cup 100.Insulating material can provide rigidity and can not damage the thermal insulation of container 220, and/or can be container 220 additional mechanical strength.Due to the mechanical strength added by insulating material 216, therefore can be used for manufacturing container 220 compared with the material of light weight, make it possible to the prototype reducing the substrate forming container 220.

Insulating material 216 can expand upon activation, or can such as by adding air or unreactable gas, original position space, microballoon, expended microsphere, heat-swellable particulate or other foaming agent carry out preexpanding.The unreactable gass such as such as nitrogen can be injected in insulating material 216.Insulating material 216 can be inflatable insulating material or adhesion agent.In addition or or, insulating material 216 can including but not limited to any combination of adhesives, expended microsphere or other micro encapsulation seal particle, pigment and other additive, adhesion agent (such as, hot melt adhesive, pressure sensitive adhesive), inert gas blown hot melt adhesive, aqueous coating containing heat-expandable microsphere, starch-based glue stick, natural polymer adhesion agent, polyvinylchloride (PVC), foamed coating, biodegradable glue or these or other material.

Insulating material 216 can comprise original position space, microballoon, particulate, fiber, expansible fibre, dissolved particles etc.Insulating material 216 can be the coating or adhesion agent that are combined with foamer or foaming agent.Foamer or foaming agent can produce gas when heating thus can make insulating material 216 activate to present such as space, open texture or other.Or foamer or foaming agent can be the materials that can decompose under certain condition (such as, temperature or pressure) to discharge gas.Heating can be there is during with inclusion (such as, hot Foods or drinks) filling containers 220.Or, heating can be there is from source, outside (such as, microwave or water-bath).

Insulating material 216 can be coated on blank, on inwall 102 or on outer wall 104 or on both by various point (such as, round dot or other pattern).Such as, insulating material 216 can linearity pattern or other pattern be coated between two-layer layer that is flat or non-ripple, makes insulating material 216 to define air gap and prevents outer wall 104 flat on inwall 102 at gripping pressure.Insulating material 216 can also provide rigidity sense for user, allows to reduce backing material, such as inwall 102 or outer wall 104 simultaneously.

Container 220 can in addition or use one or more layers groove line or surge layer (such as, groove line or surge layer 242) to construct.Groove line or surge layer 242 can be close to one or more layers flat bed location.Such as, groove line or surge layer 242 can be positioned between two-layer flat bed 240 and 244.In other example, groove line or surge layer 242 can not be connected with flat bed or only be connected with one deck flat bed.

When container uses one or more layers groove line or surge layer structure, groove line or surge layer can use insulating material 216 to be attached to or otherwise be connected on one or more layers flat bed.Fig. 5 illustrates the example container 220 having and use insulating material 216 to be attached to groove line on outer 240 or surge layer 242.Fig. 6 illustrates the example container 220 having and use insulating material 215 to be attached to groove line on internal layer 244 or surge layer 242.Fig. 7 illustrates the example container 220 having and use insulating material 216 to be attached to groove line on outer 240 and internal layer 242 or surge layer 242.Container 220 can be made up of cardboard, and cardboard can comprise solid wall microflute card, the microflute line interlayer that solid wall microflute card is comprised roof liner, end liner and is bonded to by the glue containing thermo-expandable microspheres on roof liner and/or end liner.Expended microsphere can be expanded by heat, and once expand, and can promote reinforcement plate and the thermal insulation of packing container be made up of this plate and rigidity.

In some instances, the position coating insulating material 216 of flat bed (such as, skin 240 or internal layer 244) can be contacted at groove line or surge layer 242.Insulating material 216 can be coated to the tip of the groove line of groove line or surge layer 242 or ripple, peak or edge.The tip of groove line or ripple, peak or edge can be coated to flat bed 240 or 244, and be coated to tip, groove line or surge layer 242 can be adhered on flat bed 240 or 244 by the insulating material at peak or edge.Insulating material can through heating to expand and provide insulation between the cargo area 236 and outer 240 of container 220.Other version in order to the structure of the blank or substrate that make container 220 is possible.

Container 220 can comprise top section 222 and base section 226.Top section 222 and base section 226 can be connected to each other, be attached or be communicated with.Top section 222 and base section 226 can by hinge lines or fold line 230 with spaced or be contiguous to and go up each other.In some instances, top section 222 and base section 226 can be made up of the two-layer flat cardboard being attached by insulating material 216, or be made up of couch board, this couch board such as comprises the cardboard of solid wall microflute card, the microflute line interlayer that this solid wall microflute card is comprised roof liner, end liner and is bonded to by the glue containing thermo-expandable microspheres on roof liner and/or end liner.

Top section 222 can comprise a bag shape thing, recessed part, recess or recessed region 223.Recessed region 223 can be formed by one or more sidewalls 224 of top section 222 and roof 225, and can be configured to maybe can hold material, such as food or liquid.Roof 225 can be square, rectangle or other shape various.One or more edges of roof 225 can connect with one or more sidewall (such as, sidewall 224).Sidewall 224 can form right angle or obtuse angle with roof 225.Such as, sidewall 224 can be angled, thus in top section 222, form recessed recessed part or recess.

Base section 226 also or or can comprise a bag shape thing, recessed part, recess or recessed region 227.Recessed region 227 can be formed by one or more sidewalls 228 of base section 226 and diapire 229, and can be configured to maybe can hold material, such as food or liquid.Diapire 229 can be square, rectangle or other shape various.One or more edges of diapire 229 can connect with one or more sidewall (such as, sidewall 228).In some systems, sidewall 228 can refer to can be attached to diapire 229 edge on multiple sidewall panelinies, make sidewall 228 can around diapire 229.In other systems, sidewall 228 can refer to a wall of one group of sidewall that can be attached to or around diapire 229.Other version is possible.

One or more sidewall 228 can form right angle or obtuse angle with diapire 229.Such as, sidewall 228 can be angled, thus in base section 223, form recessed recessed part or recess.Diapire 229 can be flat, maybe can comprise one or more protuberance or separator, and a part of the recess 227 of base section 223 can separate with the other parts of this recess by it.The part comprising recessed region of container 220 or section can be called as holding portion.

Recessed region 223 and 227 can be configured and make when container 220 is arranged with open mode (wherein top section 222 does not fold along fold line 230), and both recessed region 223 and recessed region 227 are recessed in the same direction.Recessed region 223 and 227 in addition or can be configured and make when container 220 is arranged with closed condition (wherein top section 222 folds along fold line 230 above base section 226), and recessed region 223 is recessed on the opposite sense of recessed region 227.Time middle in off position, the storage area 236 that it is boundary that recessed region 223 and recessed region 227 can be formed with top section 222 and base section 223.Time middle in off position, top section 222 can be used as the lid above base section 226.

In other version, one in top section 222 or base section 226 can be flat and/or can not comprise recessed region.Such as, top section 222 only can comprise roof 225 and without any sidewall.In some containers 220, top section 222 can be flat or relatively flat, and base section 226 can be the holding portion with recessed region 227.Top section 222 can fold at base section 226 and can be used as the lid above recessed region 227.Other version is possible.

Container 220 can comprise one or more attachment means, such as attachment means 232 and attachment means 234.Attachment means 232 can be connected with top section 222, is attached or is otherwise communicated with.On the side relative with the side with fold line 230 that attachment means 232 can be positioned at top section 222 or edge (sometimes referred to as " attachment edge ").Attachment means 234 is connected with base section 223, be attached or be otherwise communicated with, such as, on the attachment edge relative with the edge with fold line 230 of base section 226.Attachment means 232 and 234 in general can be placed in the middle along the edge of top section 222 and base section 226, maybe can be positioned in other position various, such as, in the corner of top section 222 and base section 226 or near this turning.Attachment means 232 and 234 can make when top section 222 folds along fold line 230 above base section 226 through location, and attachment means 232 can be aimed at attachment means 234 or align.Other position various is possible.

Attachment means 232 and 234 can be complementary attachment means, makes can be configured to be attached with attachment means 234 or be connected to punctual attachment means 232 when attachment means 232 and 234.Such as, attachment means 232 can be tab, and attachment means 234 can be the slit being configured to receive tab 232.In other container, attachment means or or can comprise snap-fastener, button, slit, tab, grab, fastener, convex and female fastener or attachment arrangement or other attachment means various.

When with aligned with each other and when being attached, top section 222 can be fixed on base section 226 by attachment means 232 and 234.Top section 222 and base section 226 can form storage area 236.Storage area 236 can by top section 222 and base section 226 partially or completely around and/or cover top section 222 and base section 226 partially or completely.

Fig. 9 be in off position in the perspective cross-sectional view of example lock carton 260.Lock carton 260 can construct or use this blank to construct by one or more blank.Blank can by such as making for the identical material of the blank 250 of container 220 or substrate, and/or can by the cardboard of any kind, paper, paillon foil, film, fabric, foam, plastics or other material structure various, and can similar in appearance to or the similar blank in order to form container 220.Blank can be made up of one or more layers ply of board or ply of paper or comprise one or more layers ply of board or ply of paper, such as can similar in appearance to or the inwall 102 of similar containers 220 and the inwall 102 of outer wall 104 and outer wall 104.Insulating material 216 can be coated between the inwall 102 of lock carton 260 and outer wall 104.Insulating material 216 can be same as or similar in appearance to the insulating material used together with cup 100 or container 220.In other example, lock carton 260 can be made up of cardboard, and cardboard comprises solid wall microflute card, the microflute line interlayer that this solid wall microflute card is comprised roof liner, end liner and is bonded to by the glue containing thermo-expandable microspheres on roof liner and/or end liner.Other version is possible.

Lock carton 260 can comprise one or more sidewall 262 and 264.Sidewall can be constructed by blank, and can comprise inwall 102 and outer wall 104.Sidewall 262 and 264 can connect or be attached to each other, on diapire and/or lid.Sidewall 262 and 264, diapire and/or lid can limit or be formed storage area 236.Storage area 236 can be configured to receive and store material, such as Foods or drinks.

Lid 266 can be collapsible or dismountable.Can mention or uncap 266 with close to storage area 236.One or more attachment means 232 can be used to be fixed on the sidewall 262 of lock carton 260 by lid 266.In other version, can via or by sidewall 262 or 264 or diapire close to storage area 236.

Lock carton 260 can comprise handle 268.Handle 268 can be attached on lid 266 or sidewall 262 or 264 or from this lid or sidewall and stretch out.Handle 268 can be used for carrying or carry lock carton 260.The container of other type various can comprise one or more blank, constructs or use one or more blank with one or more blank, and this blank such as applies the cardboard blanks of insulating material between two-layer ply of paper.

Figure 10 to Figure 12 is the transparent view of another example carton 270 with cutaway portion.Figure 13 is the view of the example blank 288 for carton 270.Carton 270 can be such as French French fries carton or other carton.

Carton 270 can comprise one or more diapire 275 and one or more sidewall 271,272,273,274,275 and 276.In some instances, sidewall 272 and 276 can adjoin to form a sidewall, and sidewall 273 and 277 can adjoin to form relative sidewall.Other configuration is possible.

Carton 270 constructs or uses this blank to construct by one or more blank 288.Blank 288 can by such as making for the identical material of the blank 250 of container 220 or substrate, and/or can by the cardboard of any kind, paper, paillon foil, film, fabric, foam, plastics or other material structure various, and can similar in appearance to or the similar blank in order to form container 220.Blank 288 can be made up of cardboard, and this cardboard comprises solid wall microflute card, and solid wall microflute card comprises outer lining or outer 282, liner or internal layer 286 and interlayer 284.Skin 282 and internal layer 286 can be flat, such as flat cardboard.Interlayer 284 can be the medium of microflute line or other ripple, such as cardboard.Interlayer 284 can be such as bonded on outer lining and/or liner 282 and 286 by the glue containing thermo-expandable microspheres.Figure 10 illustrates that wherein interlayer 284 is by being adhered to the example on internal layer 286 along the tip of groove line interlayer 284 or the insulating material 216 of peak coating with linearity pattern.Figure 11 illustrates that wherein interlayer 284 is by being adhered to the example on outer 282 along the tip of groove line interlayer 284 or the insulating material 216 of peak coating with linearity pattern.Figure 12 illustrates that wherein interlayer 284 is adhered to the example on both outer 282 and internal layer 286 by insulating material 216.

In other version, blank 288 can be made up of one or more layers ply of board or ply of paper or comprise one or more layers ply of board or ply of paper, such as can similar in appearance to or the inwall 102 of similar containers 220 and the inwall 102 of outer wall 104 and outer wall 104.Insulating material 216 can be coated between the inwall 102 of lock carton 260 and outer wall 104.Insulating material 216 can be same as or similar in appearance to the insulating material used together with cup 100 or container 220.

Carton 270 can form recess or recessed region between sidewall 271,272,273,274,276 and 277 and diapire 275.Can be there is one or more hole, gap or opening in the side along diapire 275, make to be placed on liquid in the recessed region of carton 270 or grease can overflow carton 270.Carton 270 can comprise opening along the top of sidewall, makes it possible to place in carton 270 and store one or more article.Such as, heat food can be placed in the recess of carton 270.Insulating material 216 can provide rigidity and insulation characterisitic for carton wall with the use for the packaging of carton 270, make to greatly reduce backing material simultaneously, except container 220, lock carton 260 and carton 270, insulating material 216 can use to form other compartment various, bracket or container, such as soup basin, Sandwich box, drinking container or bracket and other container together with other packing.

Figure 14 and Figure 15 illustrates the container 100 with outer wall 104.Container 100 can construct as the assembling of double wall cup.Container 100 can be columniform cup, container sleeve or have the container comprising other geometric configuration such as taper, rectangle.Outer wall 104 can the main body of fully or partly covering container 100.Container 100 and outer wall 104 can be incorporated in double wall cup and can to apply insulating material 216 and/or adhesion agent between inwall 102 and outer wall 104.Insulating material can have stickness in addition and can form unique attachment thus between container and blank.Outer wall 104 can be made up of any nominal paper stock, including but not limited to natural one side, white edge one side, coating bleached side one side or these any combination.Or in addition, outer wall 104 can use paillon foil, film, fabric, plastics or other material to make.Outer wall 104 and/or container can be Repulpable, can recirculation and/or biodegradable.

Outer wall 104 can comprise such as ripple, groove line (such as, E groove line, F groove line, N groove line or G groove line) non-ripple or the air by-pass passage of embossing.Air by-pass passage can on vertical, catercorner or other direction, and can guide heat away from hand.Air by-pass passage can by Addressable Parallel in each other.In addition or, air by-pass passage can be formed by the application of insulating material 216.Such as, insulating material 216 can striped, helix or round dot pattern be coated on outer wall 104, make by such as heat or pressure before activating, period or formed afterwards or expanded air passage.Insulating material 216 can comprise foamer, foaming agent and/or other preparation, once activation can be dissolved, be produced gas or decomposition, and produces space or foam texture thus.

Outer wall 104 can be removed from containers 100 such as such as sleeves, or outer wall 104 can adhere on container 100, such as, in double sheet container.Such as, double sheet container, such as cup or double sheet container sleeve, can by using insulating material 216 (such as, containing space, foaming or other) outer wall 104 be laminated on container or container sleeve blank manufacture with fixed insulation material 216, maybe can be fixed by other gluing or encapsulating method any.For good and all being attached on container 100 if outer wall 104 (such as, forms integral type double wall cup or double wall sleeve) during manufacture, so can raising the efficiency because eliminating the number of assembling steps of business end user.In addition, its amount of memory that can reduce needed for business end user such as stores article instead of two.

Outer wall 104 can be removed from container.Such as, dieacut blanks can be manufactured, such as sleeve, to store individually and can remove from container 100.

Outer wall 104 can keep end to open wide on side or on opposing sides, thus can permit air flowing.Such as, in fig. 14, container can contain opening 302 at the top near outer wall 104.Such as, in fig .15, container can contain opening 402 near the top of outer wall 104 or bottom 404.Can be formed in outer wall 104 such as in poroid opening, and can air by-pass passage be formed thus allow air to flow when expanding because of the activation of insulating material 216 in the space between inwall 102 and outer wall 104.The ripple that air flows through the interaction because of insulating material 216 and outer wall 104 or expandable material application pattern 216 and formed, groove ripple line or other air by-pass passage, such as upward and away from gripping finger, can be controlled further.Such as, the application pattern of insulating material 216 can form air by-pass passage 304,402.

How the application that Figure 14 illustrates insulating material 216 can form the substituting limiting examples of opening 302 near the top 306 of container 100.Passage can be formed by the expansion of insulating material 216.On the opposite end of container 100, such as, opening can be there is at top 306 and bottom 308 place.Opening can not complete top 306 or bottom 308 place sealing by being wound around outer wall 104 on container is formed.

Figure 16 illustrates the cross section of the outer wall 104 (such as, sleeve) assembled with container 100.This accompanying drawing means illustrative and is not restrictive.Cup can be replaced with any container, such as compressing pallet, soup basin or bulk beverage container.Outer wall 104 can have inner face 506 and outside 504.The surface 502 that insulating material 216 can be coated to inner face 506, outside 504 and/or be coated between inner face 506 and outside 504, to be coated to the inwall of sleeve.Inner face 506 and outside 504 are not necessarily betwixt containing having living space 502.

The insulating materials 216 such as such as expandable material non-activated form can be coated to the inner face 506 of outer wall 104.Not activating insulating material 216 can film-form coating and can not the thickness of material change's outer wall 104.Inner side insulating material 216 being coated to outer wall 104 also can keep the impressionability of the outside of outer wall 104.If the insulating material 216 that do not activate on outer wall 104 is such as assembled with standard dixie cup, so it can keep the light and handy profile of cup.The maintenance of light and handy profile can maintain the standard effective intussusception quality of cup, thus allows effectively to pack, case and transport.In addition, the activation of insulating material 216 when final utilization can form manufacture efficiency because reducing energy that activation or foaming or curing schedule and also reducing thus use during manufacture during the manufacture of container or sleeve.

Can be activated by such as adding the inclusion 206 such as the liquid of such as heat, beverage or food in container 100 insulating material 216 and be expanded thus.Or in addition, container 100 can pre-filled inclusion such as such as beverage or food etc. 206, and insulating material 216 can such as activating by when microwave or heating water bath.Can only outer wall 104 operational phase and the process segment occur activation, outer wall 104 can be transported to user under the condition with non-activated insulating material 216 substantially.Such as, the activation point of insulating material 216 can be about 120 ℉ or higher and/or be less than 60 ℉, makes insulating material 216 only can pass through the temperature-activated of hot (or cold) liquid, beverage or food and not activate by ambient temperature or body temperature.Activation can make expandable material expand and from container 100 " pushing back " outer wall 104 thus formed increase air gap.Air gap can form thermodynamic barrier between hot-beverage container 100 and the hand of user.Activation can also strengthen hardness and/or the rigidity of container, thus can allow the material or the thickness that reduce wall of container.As described in more detail below, insulating material 216 also can activate before reaching the user or activate at least partly.Therefore, this ability that insulating material 216 responds target temperature can make container or sleeve " be skillful in " sensing thus can improve its insulativity when through package contents 206 heating.

Insulating material 216 can be coated on outer wall 104 by unswollen state.Insulating material 216 can until just occur expanding when such as being activated by the fluid of interpolation heat or solid at service point place.This can make material expansion different from during the manufacture of outer wall 104.Expansion during manufacture can increase the volume of outer wall 104.Insulating material 216 can through controlling to realize intussusception efficiency.The characteristic of insulating material 216 can by (such as but not limited to) the incompatible further control of patterning set of applications of the outer wall 104 that will construct by groove ripple grain material and insulating material 216, to provide specific insulation, air flow performance and container rigidity enhancing.Such as, the ripple and/or the pattern that are coated to the insulating material 216 on outer wall 104 can guide heat convection upward, and therefore can reduce the heat trnasfer of on even keel towards the gripping hand of user.Or insulating material 216 squeezedly can make sheet material, and pattern can be coated on sheet material, before insulating material 216 sheet material is attached on outer wall 104, such as extrude into sheet material by groove line, die-cut shapes, lines, passage or other mark.In other embodiments, can before shipment, such as before manufacture container 100, period or occur afterwards expanding.

Figure 17 is the exemplary top view in the cross section of the container 100 being assembled with outer wall 104.This accompanying drawing is only illustrative and is not restrictive.Insulating material 216 can be coated to outer wall 104.Such as, insulating material 216 can be coated between the wall of outer wall 104 and container 100, and the integral type Double layer cup that centre has the expandable material of heat-activatable insulation can be formed in, or insulating material 216 can be coated between the inwall of outer wall 104 and container sleeve.Insulating material 216 can comprise and is such as dispersed in original position space in adhesives or above-disclosed other suitable material any or expended microsphere or foaming agent 602, and can comprise stickness.

Figure 18 illustrates the illustrative methods be coated to by insulating material 216 on container 100.The method goes for cup wrapping machine.In this example, can be coated to continuously or off and on the outside of such as dixie cup 100 by insulating material 216 via applicators 706 such as such as nozzle, glue rifle or slit extrusion coated devices, this cup can be fixed to axle 702.By can pattern be controlled relative to applicator 706 mobile containers 100.Such as, can up or down or the opposing party rotate up and/or mobile axle 702 to realize required pattern, such as spiral pattern, round dot pattern, line image etc.

Or in addition, applicator 706 can move to realize required pattern relative to container 100.Such as, axle 702 can be arranged on pivot arm 700.The containers 100 such as such as cup can manually or by machine feeding be loaded in axle 702.Arm 700 can mobile containers 100 close to applicator 706.The pattern of insulating material 216 can be coated on container 100 by moving relative to container 100 by applicator 706.Axle 702 can also such as by rotate and relative to applicator 706 mobile containers 100.As an example, can be combined stripe-coating on cup with the in rotary moving of axle 702 by the sway of applicator 706.Spraying from applicator 706 can be lasting or interval, and can form dotted line, striped, round dot or oval shaped cells.Helix can be applied by being combined from lasting spraying and the shifted laterally of applicator 706 and the rotation of axle 702.

Applicator 706 can be attached to can carry insulating material 216 pipeline on.The gases such as such as nitrogen can be attached to insulating material 216 by independent pipeline and mix in applicator 706, or during applying or in applicator feed line or otherwise add.

After applying insulating material 216, arm 700 can arrive diverse location by mobile containers 100, can pull down cup for further processing in this position from axle.Such as, can such as, by container 100 being inserted in outer wall 104 and forming integral type double sheet container, cup.Outer wall 104 can preforming and be positioned in recess 704, and container 100 can be inserted in this recess.

The blank of Figure 19 illustrative example outer wall 104.This accompanying drawing is illustrative and does not mean the restricted of size or shape.Size and shape can be suitable for the size of any container.Insulating material 216 can be coated to outer wall 104.Insulating material 216 can be applied by multiple method, such as but not limited to nozzle-in-nozzle type spray gun, printing, slit spreader or other method, and such as those methods as described above or hereinafter method in greater detail.Or in addition, insulating material 216 squeezedly can make sheet material, and can by the blank that insulating material sheet layer is pressed onto container, container sleeve or dieacut blanks and by this insulator-coating to container, container sleeve or dieacut blanks.Insulating material 216 folder/the gluer on such as cup wrapping machine on line, line can be coated to outer wall 104, or by other suitable method, such as off-line coating and drying.Insulating material 216 can be coated to outer wall 104 by any suitable pattern, such as but not limited to the combination of band shape, round dot, waveform, square, circle, rhombus, arbitrary shape, these or other pattern any.Such as, insulating material 216 vertically can be applied away from the pattern gripping finger control air flowing and/or heat by conduction upward by energy (such as).Insulating material 216 can make the insulating material when activating form passage or expand to form passage through coating.Passage can guide free convection.Insulating material 216 fully or only partly can cover the surface through coating.

By such as outer wall 104 can removably or be for good and all attached on container 100 or cup by outer wall 104 Wound 100.Such as, using insulating material 216 can manufacture double wall cup or container 100 by being laminated on container by outer wall 104, this insulating material such as starch-based material, hot melt and expandable material, there is adhesive expandable material, these or other combination that is gluing or encapsulating method any.For good and all being attached on container 100 if outer wall 104 (such as, forms integral type double wall cup) during manufacture, so can improving because eliminating the number of assembling steps of business end user the efficiency using outer wall 104.In addition, it can reduce amount of memory needed for business end user (store article instead of two).The shape of the outer wall 104 in accompanying drawing does not mean restricted.The shape of outer wall 104 can be suitable for the shape of other container, such as but not limited to container sleeve, soup basin, compressing container or bulk beverage container.Or container 100 can be the container sleeve at both ends open.

Outer wall 104 optionally can contain middle seam hot melt or cold stationary glue.If insulating material 216 or adhesion agent, in so can omitting, stitch hot melt or cold stationary glue.Hot melt/cold stationary glue (such as) is stitched for strengthening adhesive bonding property in can using except insulating material 216.Outer wall 104 can be coated to container 100, such as cup or sleeve by such as winding, lamination or other manufacture method.

Figure 19 to Figure 22 illustrates many examples of outer wall 104.These examples are only illustrative and are not restrictive.Figure 19 illustrates outer wall 104, its by insulating material 216 with pattern 809 coated with guiding the release of heat.Insulating material 216 can be made up of such as corrugated paper, such as but not limited to groove ripple line.Convection current can pass through ripple, and namely the coating pattern of insulating material 216 controls, or controls in other suitable mode.

Figure 20 to Figure 21 illustrate other of the potential pattern of insulating material 216 possible, limiting examples.The pattern of insulating material 216 is represented by label 909 and 1009 respectively.Insulating material 216 can be applied by the pattern except those patterns illustrated in Figure 19 to Figure 21.Insulating material 216 can change and progressive flowing can be provided to guide heat to opening on thickness.

Figure 22 to Figure 25 illustrates the pattern of opening that can be used for allowing air flowing.Opening is represented by label 1112,1212,1312 and 1412 respectively.Opening also can be positioned at and/or comprise such as by label 1214,1314 and 1414 illustrated shapes.At the opposite end place of blank or only can there is cross cutting opening at one end.The shape of the opening in Figure 22 to Figure 25 is only illustrative and is not restrictive.Such as, the pattern of insulating material 216 and the shape of opening can so be arranged to control air flowing, thus (such as but not limited to) form Venturi effect.

Figure 26 is the illustrative example illustrating that exemplary hot is transmitted.This example does not mean restrictive, but only illustrates that possible waste of heat controls.The total heat lost of system can be expressed by the following equation:

Q ^t[card/second]=Q ₁+ Q ₂+ Q ₃+ Q ₄

Wherein Q ^ttotal heat lost.Q ₁1504 can be because of the waste of heat caused by moisture evaporation.The Q represented by 1502,1506 and 1508 respectively ₂, Q ₃and Q ₄that can represent convection current and conduct waste of heat.

By by Q ^treduce to the minimum object that can realize that inclusion is incubated.Outer wall 104 can pass through Q ₂, Q ₃and Q ₄reduce to minimum by Q ^treduce to minimum.The low heat conductivity of insulating material can make because of Q ₂, Q ₃and Q ₄caused waste of heat is much lower.

By such as by Q ₂, Q ₃and Q ₄reduce to minimum, especially by Q ₂, Q ₃reduce to minimum, allow Q simultaneously ₁and Q ₄vertically guide up or down inevitable high hot-fluid (because of heat liquid caused by) object that prevents user's body from burning can be realized.This can by such as adding wave groove to realize to outer wall 104.This groove can be such as generallyperpendicular or diagonal.

Limiting examples is as follows.

Example 1.The figure that Figure 30 provides insulating material 216 how can change permeability of heat represents.Temperature inside cup can be represented by Ti.Temperature outside cup can be represented by To.The line X at top can represent the container do not had through being coated with outer wall 104.Article 2 line Y can represent the container be assembled with through being coated with outer wall 104.This example can be illustrated in the container without the outer wall 104 being coated with insulating material 216, and the difference of the temperature outside of inner side temperature comparisons's container of container can be minimum.In the container with the outer wall 104 being coated with insulating material 216, the heal differential when the Foods or drinks of heat adds container between the inner side of container and outside may be little.But, Foods or drinks can when contacting activated material A, thus make material expansion.When material expansion, the difference of temperature Ti and To can increase.

Example 2.Example 2 illustrates various outer wall 104 material and is coated with the temperature sense organ of insulating material 216 compared with uncoated insulating material 216 and compares.Below test and be only for illustrating and be not restrictive, also may obtain other experimental result.

The insulating materials 216 such as such as thermal insulation, expandable material can be coated to the blank of the outer wall 104 be made up of various material in other words, such as but not limited to paper, cardboard and groove line corrugated paper.The blank of each outer wall 104 can Wound, such as cup.Cup can fill hot water.Then can free-hand grasping cup and comparing between the sensory response under these two kinds of conditions.In each test, the cup touching had through being coated with outer wall 104 gets up not have those cups with uncoated outer wall 104 " heat ".Pouring at hot water in a few minutes in cup expands occurs.

Example 3.The coating of insulating material 216 can be coated to single face medium.When using the heat gun of MASTER-MITE 12.0V, 475W moistening under 600 Degrees Fahrenheits, coating can expand.

Example 4.The coating of insulating material 216 can be coated to the outside of 12 ounces of (Oz) cups and make it overnight air-dry.Next day, the hot water of 190 Degrees Fahrenheits can be poured in cup.Soon obvious expansion can be observed after the hot water of 190 Degrees Fahrenheits loads in cup.Lid can be placed on cup, and more expansion can be observed after 7 minutes, but be still demi-inflation.The benefit of rear heat-activated can be that liquid is warmmer, then coating expansion is more.

Example 5.The coating of insulating material 216 is coated to cup.The 250W infrared heater by flying the model 11-504-50 that your scientific & technical corporation (FisherScientific) of generation manufactures can be used to carry out heat-insulating material 216.Expands when lamp and insulating material 216 are at a distance of six inches may slow and when with insulating material 216 apart one inch time expand immediately.

Example 6.The coating of insulating material 216 can be coated to paper, then make coating air-dry after paper can be wound around dixie cup.Heat from heat gun can be used by a part of indirect heating one minute of paper shell to the coating of insulating material 216.Coating expansion.Can be heated the part of insulating material 216 coating that other does not heat under infrared lamp by paper.The coating expansion of insulating material 216.

Example 7.Insulating material 216 can be applied, such as thermal expansivity coating in the double wall sleeves such as such as cup or wall of a container.During manufacture, insulating material 216 can suitably dryly still not expand, or insufficient expansion.When sleeve or container are exposed to high temperature (temperature of such as coffee or soup), insulating material 216 can expand thus promote double wall sleeve or wall of a container away from each other.The space in insulating material 216 can be increased " dexterously " by this expansion of activation and improve insulativity and the rigidity of packaging.Below introduce experiment in detail, how the use illustrating insulating material 216 reduces the weight of the material used in the manufacture of container or container sleeve.Although experiment adopts limited kit, there is shown feasibility and the benefit of insulating material 216.

Two samples are compared.Reference container is the sanitary cup of 16 ounces with 16pt outer cladding.Experiment container is the sanitary cup of 16 ounces with insulating material 216 pattern (being foam coating in the case) and 12pt outer cladding.Two cups are filled 190 ℉ water.Once add 190 ℉ water, namely the insulating material 216 of experiment container expands.Measure the hull-skin temperature of each cup and be plotted in Figure 31.Experiment cup demonstrates the insulation characterisitic of improvement during the first few minutes of experiment.

Second test illustrates the use of container sleeve.Reference container sleeve is N groove line one side sleeve.Experiment container sleeve is the N groove line one side sleeve of the la m with insulating material 216 (being foam coating in the case).Laminating layer craft paper above insulating material 216 layers and make material dry but do not expand.Insulating material 216 applies with two patterns: cover completely and extend to the line of bottom from the top of sleeve.In brief, the container sleeve of five kinds of forms is tested:

* there is the N groove line one side sleeve of craft paper internal layer

* there is dry unexpanded heat-activatable aquifer coating (" AP ") internal layer and the N groove line one side sleeve of craft paper internal layer

* there is the heat-activatable aquifer coating internal layer of expansion and not there is the N groove line one side sleeve of layers of kraft paper

* have with the heat-activatable aquifer coating internal layer of expansion of perpendicular line layout and the N groove line one side sleeve of craft paper internal layer

* there is the N groove line one side sleeve covering internal layer and craft paper internal layer completely of the heat-activatable aquifer coating of expansion

Sleeve is applied to the sanitary cup of 16oz, 190 ℉ water filled by cup.After dress water, with the temperature outside one minute interval test cup, test five minutes.Result is drawn in Figure 32.

Even if minimizing paper stock, cup and the sleeve in addition containing foam coating all have higher stiffness.The foam coating of patterning even prevents 12pt outer cladding from flattening during gripping in inwall.This can allow the cardboard using lighter basis weight and thickness, keeps good insulativity simultaneously.

Figure 27 is diagram of block particulate coatings being coated to the example process on substrate.Process can comprise microballoon or other inflatable coating are coated to following in any one: bag in substrate, dieacut blanks, container, sleeve, food and drink pallet, double wall cup, compressing pallet, soup basin and box.Process can comprise the process of on line 1600 and the process of off-line 1610.On line, process 1600 can comprise and manufactures the stacking station 1620 of container, manufacturing station 1630 and package station 1640 for paper using or cross cutting paper stock.Stacking, to manufacture and package station can full automation and/or comprise hand off station.

Coating application procedures can occur on line 1600 or off-line 1610, at identical or other facility place.On line, coating can be included in the one or more place's coating insulating materials 216 in stacking station 1620, manufacturing station 1630 and package station 1640.Insulating material 216 can apply in every way, including but not limited to brush, sponge, printing, nozzle, spraying, slit extrusion coating device or extrude sheet material by what be laminated to coating.Any one or its various combination in these coatings can occur on line 1600 or off-line 1610, and wherein off-line procedure can occur before the stacking stage 1620.

The coating of a brush or multiple brush can by via the pipe to brush for insulating material provides pressure and occur.Brush can be made up of different materials, such as horsehair or synthetic material.Brush can comprise hollow filament and insulating material is applied via filament.Brush can apply a slice insulating material or insulation artwork.The amount that can control to the insulating material of brush makes it possible to measure the amount of the insulating material being coated to substrate.As illustrative and be not restrictive example, can controlling quantity make the insulation material layer of 1/64 inch coated, it can be expanded to one inch 1/16 or 1/32, or the distance in gap between the internal layer of double wall cup and skin.Can preferably outer shape not be made to be out of shape upon expansion by insulating material.Insulating material 216 can uniformly or change pattern distribution.Brush may be used for applying widely, such as, be coated with the inner side of bag in box.

Can occur by making substrate pass roller with the coating of printer.Substrate can be spool or the roll form of paper stock, or in the form of a sheet.According to embodiment, insulating material 216 can be put or pattern pressing applies or covers coating completely.

In Figure 28, spray nozzle 1700 can in order to be coated to substrate 1720 by insulating material 216.Nozzle can spread insulating material to apply thin, uniform insulating material 216 layers on substrate.One or more spray nozzle can be used to form the pattern of the insulating material 216 of continuous print or interruption.Nozzle can through arrange make overlapping through the insulating material 216 of coating, side by side and/or spaced apart space.Can measure to control the thickness through coating insulating material 216 to spraying.Also can spray-guided in the specified portions of substrate with by insulating material 216 of oriented nozzles, such as around the corner.

In Figure 29, non-spray nozzle 1800 can in order to be coated to substrate 1820 by the flow of material 1810 of insulating material 216.Can by jet meters flow of material to apply accurate amount.Jet size can be set to control specified width, which width and the height of flow of material 1810.Can open and close flowing from nozzle to adjust to the given pattern of the insulating material 216 on substrate.

In groove or varnished insulation material 216 apply, substrate can move by the conduit containing insulating material 216.Conduit can be passed in the one or both sides of substrate.Have how long be arranged in the thickness that material can control just be coated to the insulating material 216 of conduit by substrate.Insulating material 216 can be controlled and substrate temperature activates to make expandable insulating material 216 during coating procedure or do not activate.Can use and control blade to remove unnecessary insulating material 216.Substrate can be fed through conduit through belt, or individually keeps in the channel.

By any one in above coating procedure, and by other process any, can such as by the application when not making insulating material 216 activate or be blown into cold air or warm air make through coating insulating material 216 drying or solidify, if (such as during manufacture or when user uses) needs to make insulating material 216 expand in subsequent process.Insulating material 216 also can after the fabrication and user use before, such as expand at stacking station place.Insulating material 216 can expand before or after stacking the containers.

Stacking station can be fed to through coating or uncoated blank.Insulating material 216 can be processed or applies between off-line processing period on line.If line applied, so can before cup, sleeve, container etc. are formed, make insulating material 216 dry, or cup, sleeve, container etc. can be formed when insulating material 216 is moistening.According to the characteristic of insulating material 216, the time of a few second to a few minutes may be needed dry.During insulating material 216 can manufacture on line or afterwards (such as, in operational phase) activation.In order to make insulating material 216 activate on line, what can use in infrared ray (IR), air, convection current or conduction is any or all of.Insulating material 216 may need the time of a few second to a few minutes fully to expand.Such as, can use and expand to make insulating material 216 during container manufacturing operation to apply heat from the axle of the inner side fixed container of container and/or the axle collar of fixing cup from the outside of container.If moistening or that part is dry insulating material 216 contacts axle during process, so axle can manufacture and comprise non-adhesive material (such as, poly tetrafluoroethylene (TEFLON)) to prevent insulating material 216 from adhering to or being delivered in axle.If activated on line, activation temperature that so can be preferably lower.By making insulating material 216 activate, insulating material 216 expands the air gap forming reinforcing.Insulating material 216 partly can expand during the manufacture of container, and expands and can last till operational phase subsequently.

As noted, insulating material 216 is used can to contribute to reducing the thickness making the required substrate such as container, sleeve, simultaneously for user keeps better rigidity sense.Depend on coating, insulating material 216 can also improve the insulation characterisitic of container, and contributes to beverage or food insulation or cold insulation for more time.Substrate can by natural fiber, syntheticfibres or both make, such as SBS (solid bleached sulfate) cardboard or boxboard.Such as the bush material such as liner and medium can by 15LB/3000ft ²to 100LB/3000ft ², and preferably, 18LB/3000ft ²to 50LB/3000ft ²material manufacture.Thickness for the paper substrates of heat or cold cup, soup basin, compressing container and other non-bellows-shape container can in the scope of 9 o'clock to 24 o'clock, and preferably, 10 o'clock to 24 o'clock, one of them point equaled 1/1000 inch.

Although described various embodiment of the present invention, one of ordinary skill in the art obviously will may have many more embodiments and embodiment within the scope of the invention.

Claims

1. a clamshell container, described clamshell container comprises:

Base section, described base section comprises diapire and is attached to the sidewall on described diapire, and described diapire and described sidewall form bottom recessed region;

Top section, described top section is connected along fold line with described base section, described top section be configured to described base section at least partially above folding at described fold line place, thus form storage area between described top section and described bottom recessed region; And

Described top section and described base section construct by ground floor and by the second layer that insulating material is attached on described ground floor, and described insulating material comprises micro encapsulation seal particle to expand and to provide thermal insulation.

2. clamshell container according to claim 1, wherein said base section is configured to when described top section is attached on described top section when folding at least partially described in described base section along the attachment edge of described top section, and described attachment edge is relative with hinged edge.

3. clamshell container according to claim 1, and wherein said top section comprises top recess, and wherein said storage area is formed between described top recessed region and described bottom recessed region.

4. clamshell container according to claim 1, wherein said diapire comprises the protuberance dividing described bottom recessed region.

5. clamshell container according to claim 1, wherein said ground floor is flat ply of board; And

The wherein said second layer is corrugated paper flaggy.

6. clamshell container according to claim 1, wherein said insulating material makes it possible to adopt than the described ground floor thinner and lighter when described insulating material is not used and the described second layer.

7. clamshell container according to claim 1, wherein said insulating material is positioned at the gap location between described ground floor and the described second layer.

8. a blank, described blank comprises:

First ply of paper;

Second ply of paper; And

Adhesives, described first ply of paper is attached on described second ply of paper by described adhesives, described adhesives comprises micro encapsulation seal particle, and described first ply of paper and described second ply of paper are configured to be formed has sidewall, diapire and the container with described sidewall and the described diapire recess that is boundary.

9. blank according to claim 8, wherein said container is French French fries cartons.

10. blank according to claim 8, wherein said recess comprises gap and discharges from described recess to allow liquid between described sidewall and described diapire.

11. blanks according to claim 8, wherein said container comprises the Part I with described recess and the Part II separated by fold line and described Part I.

12. blanks according to claim 11, wherein said Part I is included in the first attachment means on the first edge relative with described fold line, and described Part II is included in the second attachment means on the second edge relative with described fold line, described first attachment means be configured to when described Part I above described Part II along being attached to during described fold line on described second attachment means.

13. blanks according to claim 8, wherein said micro encapsulation seal particle is configured to pass through high-temperature expansion.

14. blanks according to claim 8, wherein said adhesives produces and is parallel to the air by-pass passage of locating each other between described first ply of paper and described second ply of paper.

15. 1 kinds of collapsible cartons, described collapsible carton comprises:

Holding portion, housing section comprises recessed region;

Lid, described lid is connected with housing section; And

Housing section and described lid construct by ground floor and by the second layer that insulating material is attached on described ground floor, and described insulating material comprises micro encapsulation seal particle to expand and to provide thermal insulation.

16. collapsible cartons according to claim 15, wherein said lid is configured to surround housing section to form storage area between described lid and described recess.

17. collapsible cartons according to claim 16, wherein said lid is configured to use attachment means to be attached in housing section.

18. collapsible cartons according to claim 15, it comprises the handle be attached on described lid further.

19. collapsible cartons according to claim 15, wherein said insulating material comprises spherical micro encapsulation seal particle.

20. collapsible cartons according to claim 15, wherein said ground floor comprises non-corrugated paper, and the wherein said second layer comprises non-corrugated paper.