EP2583913B1 - Thermally insulated cup and insulating cover - Google Patents
Thermally insulated cup and insulating cover Download PDFInfo
- Publication number
- EP2583913B1 EP2583913B1 EP12460072.7A EP12460072A EP2583913B1 EP 2583913 B1 EP2583913 B1 EP 2583913B1 EP 12460072 A EP12460072 A EP 12460072A EP 2583913 B1 EP2583913 B1 EP 2583913B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bends
- cup
- cover
- inner cup
- creases
- 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.)
- Not-in-force
Links
- 238000009413 insulation Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000010410 layer Substances 0.000 description 30
- 239000011111 cardboard Substances 0.000 description 24
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 18
- 235000012171 hot beverage Nutrition 0.000 description 11
- 239000011087 paperboard Substances 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 239000002966 varnish Substances 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- 239000000123 paper Substances 0.000 description 5
- -1 polyethylene Polymers 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 244000299461 Theobroma cacao Species 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 240000007154 Coffea arabica Species 0.000 description 1
- 229920006257 Heat-shrinkable film Polymers 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 235000009470 Theobroma cacao Nutrition 0.000 description 1
- 235000019219 chocolate Nutrition 0.000 description 1
- 235000016213 coffee Nutrition 0.000 description 1
- 235000013353 coffee beverage Nutrition 0.000 description 1
- 235000020965 cold beverage Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012775 heat-sealing material Substances 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 235000021268 hot food Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 235000013616 tea Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- 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
- B65D81/3865—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 drinking cups or like containers
- B65D81/3874—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 drinking cups or like containers formed of different materials, e.g. laminated or foam filling between walls
Definitions
- the subject of the invention is a thermally insulated cup for serving especially hot beverages, such as coffee, tea, chocolate or cocoa.
- the cup can also be used for serving cold beverages.
- the subject of the invention is also a thermal insulating cover for the cup.
- the invention relates to the food industry.
- the basic problem to be solved in the described products is the insulating power of the cup walls, wherein the aim is to allow the consumer of a hot content, such as a hot drink, to grab and hold the cup through said side walls.
- thermal insulating power of the cup side walls is obtained in the first group of solutions by the application on the side wall of an insulating layer inseparably connected with the wall.
- a two-layer paper or cardboard wall is used, wherein between said two layers of paper or cardboard the means that allow to keep a greater or smaller distance are used. Keeping a distance between two layers of paper or cardboard enables the maintaining to a greater or lesser degree an air space being excellent insulation means. This is the way to provide good insulation properties in the interests of the user comfort as regards the possibility of grabbing the cup, but at the same time to increase the capability of the cup to maintain the appropriate temperature of a hot drink inside the cup.
- the solution according to the invention belongs to the second of the above types, where the insulating power of the cup walls is obtained by a two-layer structure of side walls, with inner air spaces between the two layers of paper or cardboard.
- the outer cover can be made of cardboard of various density with polymeric materials applied on its surface, or without such a layer, with the possible application of a layer of varnish.
- a layer of polymer or a layer of varnish can be used to thermally glue the cover.
- a layer of glue can also be used for this purpose.
- the use of varnish can protect the inner surface of other cups from the migration of dyes from the outer surface of other cups inserted one into another in multipacks.
- a cup comprises an internal wall and an external sleeve.
- the external sleeve is formed from a corrugated hollow material containing a corrugated layer and a substrate layer.
- the sleeve is arranged in such a way that the substrate layer is outside the proper cup and covers it.
- the first end of the sleeve is overlapped at least partially by the second end of the sleeve in an overlapping area provided for this.
- the sleeve is adhesively attached to the internal wall of the cup at least by one first area of adhesive being provided in another place with the second area of adhesive being provided on an inner side of the sleeve on the first end of the sleeve.
- the second area of adhesive is provided with a distance member.
- the second area of adhesive contains a distance area from overlapping sleeve areas separating it from the internal wall of the cup.
- the surface of the cup is thus provided with a sleeve made of corrugated cardboard, which by its very nature keeps a distance between peaks of waves and their bottoms, which in itself maintains troughs between the external area of cardboard and the working wall of the cup according to this solution.
- Another solution known from the patent specification of international application WO 2008/045944 shows a different solution of a cup with a multilayer wall.
- This known solution presents a container in the form of a cup and the method of manufacture the same.
- the container comprises an inner wall with an outer sleeve kept at a certain distance from it.
- the sleeve contains a plurality of inwardly directed protuberances providing an air gap between a substantial portion of the sleeve surface and the inner wall of the cup.
- the sleeve is formed by wrapping the proper cup with a layer of paper or cardboard comprising a mosaic of said protuberant points.
- a cup for hot beverages contains an insulating section.
- slits are formed in a fixed manner over the cup body on the outer sleeve.
- the deformed surface of the sleeve has a bottom area, an intermediate area and an upper area. In the upper area above the slit section and in the bottom part below the slit section, on the inner sleeve surface there is a layer of heat-shrinkable film.
- a cup cover contains a bottom edge and an upper edge, and between the edges there is a peripheral area of vertical cuts.
- an insulated cup with an outer cover is presented.
- the cup is formed as a single layer paper or plastic cup.
- the outer cover comprises a paper base sheet and outer sidewalls, printed only on one side and an insulating insert in the form of corrugated paper or a layer of foamed plastic.
- the insulating insert is similar in shape to the outer cover but smaller in size.
- the insert is glued in a centred position to the non-printed side of the sidewall to form a two-layer insulating cover. Less than 20% of the area of the insulating insert is glued to the outer sheet.
- no glue is applied to the area adjacent to the cut side edges of the insert, and to similar areas which are not attached to the base sheet.
- the cover is wrapped around the inner wall of the cup.
- the side edges of the cup sheet overlap and are sealed directly together to form a side seam.
- the outer cover is adhesively secured to the same side seam of the inner cup.
- the side edges of the insert are not tightly connected between the seam of the base sheet and the inner layer of the cup.
- the cover can also be adhered to the inner cup with the use of cold glue in the form of paste adhesive or a thin layer of polyethylene or similar heat sealing material that can be pre-applied to the cut edges of the sheets. This connection is heat-activated prior to wrapping the cover around the inner cup, and by pressing the overlapping side seam of the sidewall of the inner cup and the side seam of the insulating cover of the cup.
- De 20 2010 008 368 U discloses another prior art insulated cup, which has the technical features of the preamble of appended claim 1.
- the purpose of the invention is to develop a new design of a cup for hot beverages with the use of the creased material technology. This task has been solved by claim 1 and claim 8.
- a disposable cup for hot beverages comprises a working container made of impregnated paper.
- the working container has the form of a conical surface section and contains a turned back peripheral upper edge.
- the bottom of the working container is above the bottom peripheral edge of the conical side wall.
- At least one part of the outer surface of the working container is covered with an insulating sleeve in the form of a conical surface section made of paper.
- the disposable cup is characterised in that the insulating sleeve contains creases in the form of bends where the outer surface of bottoms of the bends contacts the outer surface of the working container.
- the creases preferably are continuous rectilinear bends.
- the creases can be rectilinear dashed bends.
- creases can be curvilinear bends.
- Bends are preferably arranged in planes in line with the symmetry axis of the working container of the cup.
- bends are arranged in planes perpendicular to the symmetry axis of the working container of the cup, which means that they wrap up the cup in planes perpendicular to the longitudinal symmetry axis of the cup.
- bends can be arranged in planes oblique in relation to the symmetry axis of the cup.
- bends are arranged in mutually intersecting planes.
- Material in the form of paper or cardboard according to the invention can be covered with a layer of polyethylene on the outer surface of the working container.
- the outer surface of the insulating sleeve put on the working cup can be covered with a layer of varnish.
- a thermal insulating cover is an outer sleeve put on a cup comprising a container for foodstuffs.
- the cover is made of paper or cardboard type materials and the inner surface of the side wall of the cover corresponds to the shape of the outer surface of an inner cup comprising a container for foodstuffs.
- the cover has the form of a truncated cone.
- the side wall of the cover contains spatial strains.
- the thermal insulating cover is characterised in that it contains creases in the form of bends, where the outer surface of bottoms of the bends is directed to the outer surface of the side wall of the working container of the cup.
- creases on the cover wall can comprise continuous rectilinear bends.
- creases can be rectilinear dashed bends.
- creases can be curvilinear bends.
- bends can be arranged in planes in line with the symmetry axis of the cover extending vertically on the side wall of the cover. According to the invention, bends can be arranged in planes perpendicular to the symmetry axis of the cover extending perpendicularly on the side wall of the cover.
- bends can be arranged in planes oblique in relation to the vertical symmetry axis of the cover.
- bends can be arranged in mutually intersecting planes.
- An embodiment according to the invention also provides that the outer surface of the cover can be covered with a layer of varnish.
- a disposable cup for hot beverages contains an outer insulating cover.
- this kind of bends keep the cover walls at a distance from the side wall of the proper cup, carrying an air bag being the main component of the thermal insulation of a ready-made cup with a cover.
- the operation of cardboard bending can be combined with the operation of cutting out of a pattern from cardboard for an insulating cover, which significantly simplifies the technology and reduces manufacturing costs of a thermal cover.
- a disposable cup for hot beverages comprising an inner cup 1 made of high density paper- or cardboard-type materials, impregnated with the use of known impregnations and an insulating cover 5 is shown in the accompanying drawings from fig. 1 to fig. 13 .
- the inner cup 1 is the proper container to which hot drink is poured.
- the inner cup 1 has the form of a conical surface section and contains a turned back peripheral upper edge 2, with a larger diameter than the bottom 3 of the container 1.
- the bottom 3 of the inner cup 1 is above the bottom peripheral edge 31 of a conical side wall 4.
- the inner cup 1 against an insulating cover 5 unwrapped The outer surface 41 of the side wall 4 of the inner cup 1 is covered with the insulating cover 5 in the form of a conical surface section made of cardboard.
- the insulating sleeve 5 can be made of different materials.
- the insulating cover 5 contains creases in the form of bends 51, where the outer surface of bottoms 53 of the bends 51 contacts the outer surface 41 of the inner cup 1. This is shown in Fig. 4 .
- the contact of the surfaces 41 prior to connecting the working cup 1 with the insulating cover 5 is covered with a layer of adhesive.
- the connection is obtained by heat-sealing of a layer of polyethylene.
- creases comprise continuous rectilinear bends 51.
- Fig. 9 illustrates another embodiment, where creases in the form of bends 5 comprise dashed lines containing one gap. In other embodiments, bends 51 can comprise lines with more gaps.
- the insulating cover 5 can cover only part of the inner cup 1 height, where it is usually the upper part of the cup 1.
- Bends 51 are arranged in planes in line with the symmetry axis of the working container 1 of the cup, as shown in fig. 2, fig. 3 , fig. 5, fig. 6 , fig. 8 and fig. 9 .
- FIG. 12 and fig. 13 illustrate an oblique arrangement of embossments comprising bends 51 and an intersectional arrangement of embossments comprising bends 51, respectively.
- a material in the form of paper or cardboard according to the invention can be on the outer surface 41 of the inner cup 1 covered with the known layer of polyethylene.
- the outer surface of the insulating cover 5 put on the inner cup 1 can be covered with the known layer of varnish.
- Fig. 5, fig. 6 and fig. 7 present in an embodiment the insulating cover 5 according to the invention.
- Fig. 5 shows the cover unwrapped after the operation of cutting out from a sheet of cardboard with simultaneous cardboard bending, in the form of a pattern. The same pattern after gluing to form the cover 5 intended to be put on the wall of the inner cup lis shown in Fig. 6 .
- the cover 5 here has a form ready to be put and stuck on the side wall of the inner cup 1. In this form it can be traded independently, where it can be used for putting on traded cups without thermal insulation.
- Fig. 7 shows a detail of the insulating cover 5 from fig. 2 . This figure presents part of the edge of the cover 5 together with the edge of the bend 51.
- the bend 51 comprises an embossment whose outer surface of the bottom is covered with adhesive and attached to the outer surface 41 of the side wall of the inner cup 1.
- the surface of the bottom of the bend can be hot-sealed with the surface 41 of the inner cup 1 wall, when the surface 41 is covered for example with a layer of polyethylene.
- the cover 5 can only be fitted on the side surface of the inner cup 1. A conical shape of the cover 5 protects from slipping out of the inner cup 1 from the inside of the insulating cover 5.
- the inner cup, especially for hot beverages is made from sheets of cardboard in one processing line, and the insulating cover 5 is cut out from sheets of cardboard which have been previously one-side printed and varnished in the second processing line. After printing and varnishing, a pattern of the insulating cover 5 is cut out and at the same time cardboard bending is performed in one operation, namely embossments in the form of bends 51 are made, that are convex inside the pattern of the insulating cover.
- the cover after this operation is shown in fig. 5 .
- Flat cardboard elements obtained in this way in another technological operation are rolled into to form the conical insulating cover 5 and glued or hot-sealed.
- only insulating covers 5 intended for distribution as separate products capable of being used in the sale of food products in cups not containing thermal insulation are packed into multipacks.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
Description
- The subject of the invention is a thermally insulated cup for serving especially hot beverages, such as coffee, tea, chocolate or cocoa. The cup can also be used for serving cold beverages. The subject of the invention is also a thermal insulating cover for the cup. The invention relates to the food industry.
- There are a number of solutions of disposable cups made of paper or cardboard, wherein said materials prior to manufacturing a final product from them undergo impregnation processes with the use of materials admitted for contact with hot food products.
- The basic problem to be solved in the described products is the insulating power of the cup walls, wherein the aim is to allow the consumer of a hot content, such as a hot drink, to grab and hold the cup through said side walls. In known solutions thermal insulating power of the cup side walls is obtained in the first group of solutions by the application on the side wall of an insulating layer inseparably connected with the wall. In the second group of solutions, a two-layer paper or cardboard wall is used, wherein between said two layers of paper or cardboard the means that allow to keep a greater or smaller distance are used. Keeping a distance between two layers of paper or cardboard enables the maintaining to a greater or lesser degree an air space being excellent insulation means. This is the way to provide good insulation properties in the interests of the user comfort as regards the possibility of grabbing the cup, but at the same time to increase the capability of the cup to maintain the appropriate temperature of a hot drink inside the cup.
- The solution according to the invention belongs to the second of the above types, where the insulating power of the cup walls is obtained by a two-layer structure of side walls, with inner air spaces between the two layers of paper or cardboard. The outer cover can be made of cardboard of various density with polymeric materials applied on its surface, or without such a layer, with the possible application of a layer of varnish. A layer of polymer or a layer of varnish can be used to thermally glue the cover. A layer of glue can also be used for this purpose. The use of varnish can protect the inner surface of other cups from the migration of dyes from the outer surface of other cups inserted one into another in multipacks.
- Known solutions of thermally insulated cups and thermal insulating covers for this kind of cups are presented below.
- Known solution of an insulated cup, belonging to said second group of solutions are presented in the patent specification of international application
WO 2007/054318 . According to this known solution, a cup comprises an internal wall and an external sleeve. The external sleeve is formed from a corrugated hollow material containing a corrugated layer and a substrate layer. The sleeve is arranged in such a way that the substrate layer is outside the proper cup and covers it. The first end of the sleeve is overlapped at least partially by the second end of the sleeve in an overlapping area provided for this. Further, the sleeve is adhesively attached to the internal wall of the cup at least by one first area of adhesive being provided in another place with the second area of adhesive being provided on an inner side of the sleeve on the first end of the sleeve. The second area of adhesive is provided with a distance member. The second area of adhesive contains a distance area from overlapping sleeve areas separating it from the internal wall of the cup. The surface of the cup is thus provided with a sleeve made of corrugated cardboard, which by its very nature keeps a distance between peaks of waves and their bottoms, which in itself maintains troughs between the external area of cardboard and the working wall of the cup according to this solution. The figure attached to this patent specification shows a corrugated layer over the entire surface of the working wall of the cup, wherein wave peaks are peripherally arranged around the cup. However, another embodiment of this known solution also shows a sleeve with vertical rectilinear waves extending essentially vertically. - Another solution, known from the patent specification of international application
WO 2008/045944 shows a different solution of a cup with a multilayer wall. This known solution presents a container in the form of a cup and the method of manufacture the same. The container comprises an inner wall with an outer sleeve kept at a certain distance from it. The sleeve contains a plurality of inwardly directed protuberances providing an air gap between a substantial portion of the sleeve surface and the inner wall of the cup. The sleeve is formed by wrapping the proper cup with a layer of paper or cardboard comprising a mosaic of said protuberant points. - Another solution known from the patent specification of international application
WO 2009/054110 presents a different solution of an insulated cup. According to this known solution, a cup for hot beverages contains an insulating section. To make a holding section, or a lower or upper section of an outer sleeve, slits are formed in a fixed manner over the cup body on the outer sleeve. The deformed surface of the sleeve has a bottom area, an intermediate area and an upper area. In the upper area above the slit section and in the bottom part below the slit section, on the inner sleeve surface there is a layer of heat-shrinkable film. To obtain slits the upper and bottom edges of the outer sleeve are brought nearer, and then after pouring hot liquid to the cup, the upper and bottom area of the outer sleeve shrunk on the outer surface of the cup. According to this known solution, a cup cover contains a bottom edge and an upper edge, and between the edges there is a peripheral area of vertical cuts. - Another known solution of an insulated cup with an outer cover is presented in the US patent specification
US 2006/0144915 . In this solution an insulated cup with an outer cover is presented. The cup is formed as a single layer paper or plastic cup. The outer cover comprises a paper base sheet and outer sidewalls, printed only on one side and an insulating insert in the form of corrugated paper or a layer of foamed plastic. The insulating insert is similar in shape to the outer cover but smaller in size. The insert is glued in a centred position to the non-printed side of the sidewall to form a two-layer insulating cover. Less than 20% of the area of the insulating insert is glued to the outer sheet. Specifically, no glue is applied to the area adjacent to the cut side edges of the insert, and to similar areas which are not attached to the base sheet. The cover is wrapped around the inner wall of the cup. The side edges of the cup sheet overlap and are sealed directly together to form a side seam. The outer cover is adhesively secured to the same side seam of the inner cup. The side edges of the insert are not tightly connected between the seam of the base sheet and the inner layer of the cup. The cover can also be adhered to the inner cup with the use of cold glue in the form of paste adhesive or a thin layer of polyethylene or similar heat sealing material that can be pre-applied to the cut edges of the sheets. This connection is heat-activated prior to wrapping the cover around the inner cup, and by pressing the overlapping side seam of the sidewall of the inner cup and the side seam of the insulating cover of the cup. - De 20 2010 008 368 U discloses another prior art insulated cup, which has the technical features of the preamble of appended
claim 1. - The purpose of the invention is to develop a new design of a cup for hot beverages with the use of the creased material technology. This task has been solved by
claim 1 and claim 8. - According to the invention, a disposable cup for hot beverages comprises a working container made of impregnated paper. The working container has the form of a conical surface section and contains a turned back peripheral upper edge. The bottom of the working container is above the bottom peripheral edge of the conical side wall. At least one part of the outer surface of the working container is covered with an insulating sleeve in the form of a conical surface section made of paper.
- According to the invention, the disposable cup is characterised in that the insulating sleeve contains creases in the form of bends where the outer surface of bottoms of the bends contacts the outer surface of the working container.
- According to the invention, the creases preferably are continuous rectilinear bends.
- In another embodiment according to the invention, the creases can be rectilinear dashed bends.
- In another preferred embodiment, creases can be curvilinear bends.
- Bends are preferably arranged in planes in line with the symmetry axis of the working container of the cup.
- Another embodiment of the invention provides that bends are arranged in planes perpendicular to the symmetry axis of the working container of the cup, which means that they wrap up the cup in planes perpendicular to the longitudinal symmetry axis of the cup.
- Another solution according to the invention provides that bends can be arranged in planes oblique in relation to the symmetry axis of the cup.
- In a further development of the solution according to the invention, bends are arranged in mutually intersecting planes. Material in the form of paper or cardboard according to the invention can be covered with a layer of polyethylene on the outer surface of the working container.
- In a further development of the solution according to the invention, the outer surface of the insulating sleeve put on the working cup can be covered with a layer of varnish.
- According to the invention, a thermal insulating cover is an outer sleeve put on a cup comprising a container for foodstuffs. The cover is made of paper or cardboard type materials and the inner surface of the side wall of the cover corresponds to the shape of the outer surface of an inner cup comprising a container for foodstuffs. The cover has the form of a truncated cone. The side wall of the cover contains spatial strains.
- According to the invention, the thermal insulating cover is characterised in that it contains creases in the form of bends, where the outer surface of bottoms of the bends is directed to the outer surface of the side wall of the working container of the cup.
- In the first embodiment according to the invention, creases on the cover wall can comprise continuous rectilinear bends.
- In another embodiment of the cover according to the invention, creases can be rectilinear dashed bends.
- In another solution of the cover according to the invention, creases can be curvilinear bends.
- In a further embodiment according to the invention, bends can be arranged in planes in line with the symmetry axis of the cover extending vertically on the side wall of the cover. According to the invention, bends can be arranged in planes perpendicular to the symmetry axis of the cover extending perpendicularly on the side wall of the cover.
- In another embodiment of the cover according to the invention, bends can be arranged in planes oblique in relation to the vertical symmetry axis of the cover.
- In a further preferred embodiment of the cover according to the invention, bends can be arranged in mutually intersecting planes. An embodiment according to the invention also provides that the outer surface of the cover can be covered with a layer of varnish.
- According to the invention, a disposable cup for hot beverages contains an outer insulating cover. On the cover, made of cardboard, just as the proper cup, prior to gluing to form a truncated cone, in the operation of cutting out at the same time the operation of cardboard bending is performed, that is making linear embossments which outside have the form of grooves and inside the cover adjacent to the outside of the proper cup have the form of linear convex projections. As it has turned out as a result of tests carried out, this kind of bends keep the cover walls at a distance from the side wall of the proper cup, carrying an air bag being the main component of the thermal insulation of a ready-made cup with a cover. It has turned out that the operation of cardboard bending can be combined with the operation of cutting out of a pattern from cardboard for an insulating cover, which significantly simplifies the technology and reduces manufacturing costs of a thermal cover.
- The subject of the invention is shown in the accompanying figures in examples of realization, where individual figures present:
- Fig. 1
- - a side view of an inner cup.
- Fig. 2
- - the inner cup against an insulating cover with vertical bends unwrapped.
- Fig. 3
- - a thermally insulated cup according to the invention.
- Fig. 4
- - a cross-sectional view of the cup according to
Fig. 3 with the plane parallel to the bottom. - Fig. 5
- - the insulating cover unwrapped.
- Fig. 6
- - the insulating cover prepared to be put on a working cup.
- Fig. 7
- - a detail of the insulating cover according to
Fig. 2 . - Fig. 8
- - the inner cup against the insulating cover unwrapped shorter than the height of the working cup.
- Fig. 9
- - the cup according to
Fig. 1 with bends comprising dashed lines. - Fig. 10
- - the inner cup against the insulating cover with horizontal bends unwrapped.
- Fig. 11
- - the inner cup in the cover according to
Fig. 10 . - Fig. 12
- - the inner cup against the insulating cover with oblique bends unwrapped.
- Fig. 13
- - the inner cup against the insulating cover with intersecting bends unwrapped.
- A disposable cup for hot beverages comprising an
inner cup 1 made of high density paper- or cardboard-type materials, impregnated with the use of known impregnations and an insulatingcover 5 is shown in the accompanying drawings fromfig. 1 to fig. 13 . Theinner cup 1 is the proper container to which hot drink is poured. As shown in the accompanying figures, theinner cup 1 has the form of a conical surface section and contains a turned back peripheralupper edge 2, with a larger diameter than thebottom 3 of thecontainer 1. Thebottom 3 of theinner cup 1 is above the bottomperipheral edge 31 of aconical side wall 4. Embodiments presented inFig. 2 ,Fig. 8 ,Fig. 9 ,Fig. 10 ,Fig. 12 and Fig. 13 show theinner cup 1 against an insulatingcover 5 unwrapped. Theouter surface 41 of theside wall 4 of theinner cup 1 is covered with the insulatingcover 5 in the form of a conical surface section made of cardboard. In other embodiments, the insulatingsleeve 5 can be made of different materials. As shown in the accompanying figures, the insulatingcover 5 contains creases in the form ofbends 51, where the outer surface of bottoms 53 of thebends 51 contacts theouter surface 41 of theinner cup 1. This is shown inFig. 4 . The contact of thesurfaces 41 prior to connecting the workingcup 1 with the insulatingcover 5 is covered with a layer of adhesive. In other embodiments, the connection is obtained by heat-sealing of a layer of polyethylene. As shown in other embodiments, creases comprise continuous rectilinear bends 51. - This is shown in drawings from
fig. 1 to fig. 8 .Fig. 9 illustrates another embodiment, where creases in the form ofbends 5 comprise dashed lines containing one gap. In other embodiments, bends 51 can comprise lines with more gaps. - As shown in
Fig. 8 , the insulatingcover 5 can cover only part of theinner cup 1 height, where it is usually the upper part of thecup 1. -
Bends 51 are arranged in planes in line with the symmetry axis of the workingcontainer 1 of the cup, as shown infig. 2, fig. 3 ,fig. 5, fig. 6 ,fig. 8 and fig. 9 . - Other embodiments are shown in
fig. 10 and fig. 11 , where bends 51 are arranged peripherally in planes perpendicular to the symmetry axis of theinner cup 1. - Other embodiments shown in
fig. 12 and fig. 13 illustrate an oblique arrangement of embossments comprising bends 51 and an intersectional arrangement of embossments comprising bends 51, respectively. - A material in the form of paper or cardboard according to the invention can be on the
outer surface 41 of theinner cup 1 covered with the known layer of polyethylene. - In another embodiment of the cup according to the invention, the outer surface of the insulating
cover 5 put on theinner cup 1 can be covered with the known layer of varnish. -
Fig. 5, fig. 6 and fig. 7 present in an embodiment the insulatingcover 5 according to the invention.Fig. 5 shows the cover unwrapped after the operation of cutting out from a sheet of cardboard with simultaneous cardboard bending, in the form of a pattern. The same pattern after gluing to form thecover 5 intended to be put on the wall of the inner cup lis shown inFig. 6 . Thecover 5 here has a form ready to be put and stuck on the side wall of theinner cup 1. In this form it can be traded independently, where it can be used for putting on traded cups without thermal insulation.Fig. 7 shows a detail of the insulatingcover 5 fromfig. 2 . This figure presents part of the edge of thecover 5 together with the edge of thebend 51. It is clearly visible that thebend 51 comprises an embossment whose outer surface of the bottom is covered with adhesive and attached to theouter surface 41 of the side wall of theinner cup 1. In other embodiments, the surface of the bottom of the bend can be hot-sealed with thesurface 41 of theinner cup 1 wall, when thesurface 41 is covered for example with a layer of polyethylene. In yet another embodiment, thecover 5 can only be fitted on the side surface of theinner cup 1. A conical shape of thecover 5 protects from slipping out of theinner cup 1 from the inside of the insulatingcover 5. - The inner cup, especially for hot beverages is made from sheets of cardboard in one processing line, and the insulating
cover 5 is cut out from sheets of cardboard which have been previously one-side printed and varnished in the second processing line. After printing and varnishing, a pattern of the insulatingcover 5 is cut out and at the same time cardboard bending is performed in one operation, namely embossments in the form ofbends 51 are made, that are convex inside the pattern of the insulating cover. The cover after this operation is shown infig. 5 . Flat cardboard elements obtained in this way in another technological operation are rolled into to form the conical insulatingcover 5 and glued or hot-sealed. Then, a layer of adhesive is applied on the inner surface of the insulatingcover 5 andinner cups 1 made on another processing line from cardboard being proper disposable containers for hot beverages are inserted into the covers prepared in this way.Inner cups 1 are then inserted into insulatingcovers 5 to form a connection. Ready-made cups with covers put on are packed into multipacks. - In other embodiments, only insulating
covers 5 intended for distribution as separate products capable of being used in the sale of food products in cups not containing thermal insulation are packed into multipacks. -
- 1. Inner cup.
- 2. Upper edge.
- 3. Bottom of the container.
- 31. Peripheral edge of the bottom of the inner cup.
- 4. Side wall of the inner cup.
- 41. Outer surface of the side wall.
- 5. Insulating cover.
- 51. Bend.
- 53. Outer surface of the insulating cover.
Claims (15)
- A thermally insulated cup, in the form of container for foodstuffs, made of impregnated paper, wherein an inner cup has the form of a conical surface section and contains a turned back peripheral upper edge, and the bottom of the inner cup is above the bottom peripheral edge of the conical side wall, wherein at least one part of the outer surface of the inner cup is covered with an insulating cover in the form of a conical surface section made of a paper-type material, characterised in that, the insulating cover (5) attached to the inner cup (1) contains creases in the form of bends (51), where the outer surface of bottoms of the bends (51) contacts the outer surface (41) of the side wall of the inner cup (1).
- The insulated cup, according to claim 1, characterised in that, the creases are continuous rectilinear bends (51).
- The insulated cup, according to claim 1, characterised in that, the creases are rectilinear dashed bends (51).
- The insulated cup, according to claim 1, characterised in that, the creases are curvilinear bends (51).
- The insulated cup, according to one of claims from 1 to 4, characterised in that, the bends (51) are arranged in planes in line with the symmetry axis of the inner cup (1).
- The insulated cup, according to one of claims from 1 to 4, characterised in that, the bends (51) are arranged in planes perpendicular to the symmetry axis of the inner cup (1).
- The insulated cup, according to one of claims from 1 to 4, characterised in that, the bends (51) are arranged in planes oblique in relation to the symmetry axis of the inner cup (1).
- A thermal insulation cover comprising an outer sleeve for putting on an inner cup comprising a container for foodstuffs,
wherein the cover is made of paper- or cardboard-type materials and has the conical shape of the side wall of the inner cup,
where the side wall of the cover contains spatial strains, characterised in that, the spatial strains are creases in the form of bends (51), where the outer surface (52) of bottoms of the bends (51) is directed to the interior of the cone. - The thermal insulation cover, according to claim 8, characterised in that, the creases comprise continuous rectilinear bends (51).
- The thermal insulation cover, according to claim 8, characterised in that, the creases comprise rectilinear dashed bends (51).
- The thermal insulation cover, according to claim 8, characterised in that, the creases comprise curvilinear bends (51).
- The thermal insulation cover, according to claim 8 or 9, or 10, characterised in that, the bends (51) are arranged in planes in line with the symmetry axis of the cover (5).
- The thermal insulation cover, according to claim 8, characterised in that, the bends (51) are arranged in planes perpendicular to the longitudinal symmetry axis of the cover (5).
- The thermal insulation cover, according to claim 8, or 9, or 10, characterised in that, the bends (51) are arranged in planes oblique in relation to the symmetry axis of the cover (5).
- The thermal insulation cover, according to one of claims from 8 to 14, characterised in that, the bends (51) are arranged in mutually intersecting planes.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL396672A PL220705B1 (en) | 2011-10-17 | 2011-10-17 | Thermally insulated mug and insulating cover for the mug |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2583913A1 EP2583913A1 (en) | 2013-04-24 |
EP2583913B1 true EP2583913B1 (en) | 2014-12-17 |
Family
ID=47143064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12460072.7A Not-in-force EP2583913B1 (en) | 2011-10-17 | 2012-10-06 | Thermally insulated cup and insulating cover |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2583913B1 (en) |
PL (1) | PL220705B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104433624B (en) * | 2014-12-09 | 2016-04-20 | 长沙世通纸塑箸业有限公司 | Insulated cup run and make the forming machine of these dixie cup overcoat scraps of paper |
RU173304U1 (en) * | 2017-02-22 | 2017-08-21 | Алексей Александрович Манько | Label container assembly |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4987479U (en) * | 1972-11-15 | 1974-07-29 | ||
JP2000043954A (en) * | 1998-07-30 | 2000-02-15 | Toppan Printing Co Ltd | Thermal insulating paper-made container |
BRPI0510164A (en) | 2004-04-22 | 2007-10-02 | Insulair Inc | insulating cup wrap and insulated container formed with wrap |
US7281650B1 (en) * | 2005-03-24 | 2007-10-16 | Michael Milan | Beverage cup |
SI1785370T2 (en) | 2005-11-11 | 2014-05-30 | Seda S.P.A. | Insulated cup |
US7458504B2 (en) | 2006-10-12 | 2008-12-02 | Huhtamaki Consumer Packaging, Inc. | Multi walled container and method |
EP2202178B1 (en) | 2007-10-22 | 2013-05-01 | Tokan Kogyo Co., Ltd. | Heat insulated container |
DE202010008368U1 (en) * | 2010-08-25 | 2010-11-25 | Huhtamaki Consumer Goods Plastics Gmbh | packaging container |
-
2011
- 2011-10-17 PL PL396672A patent/PL220705B1/en unknown
-
2012
- 2012-10-06 EP EP12460072.7A patent/EP2583913B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
EP2583913A1 (en) | 2013-04-24 |
PL396672A1 (en) | 2013-04-29 |
PL220705B1 (en) | 2015-12-31 |
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