DK166958B1 - Emballage formet som praesenterbakke - Google Patents

Emballage formet som praesenterbakke Download PDF

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Publication number
DK166958B1
DK166958B1 DK346087A DK346087A DK166958B1 DK 166958 B1 DK166958 B1 DK 166958B1 DK 346087 A DK346087 A DK 346087A DK 346087 A DK346087 A DK 346087A DK 166958 B1 DK166958 B1 DK 166958B1
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DK
Denmark
Prior art keywords
lid
tray
rigid
pvc
designed
Prior art date
Application number
DK346087A
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English (en)
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DK346087A (da
DK346087D0 (da
Inventor
Arthur Louis Chanel
Original Assignee
Bressor
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Publication date
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Publication of DK346087D0 publication Critical patent/DK346087D0/da
Publication of DK346087A publication Critical patent/DK346087A/da
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Publication of DK166958B1 publication Critical patent/DK166958B1/da

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/76Making non-permanent or releasable joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B29C66/1312Single flange to flange joints, the parts to be joined being rigid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/20Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/24Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/242Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
    • B29C66/2424Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain
    • B29C66/24243Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain forming a quadrilateral
    • B29C66/24244Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain forming a quadrilateral forming a rectangle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/542Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining hollow covers or hollow bottoms to open ends of container bodies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7234General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer
    • B29C66/72343General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer for liquids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D1/00Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/34Trays or like shallow containers
    • B65D1/36Trays or like shallow containers with moulded compartments or partitions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D43/00Lids or covers for rigid or semi-rigid containers
    • B65D43/02Removable lids or covers
    • B65D43/0202Removable lids or covers without integral tamper element
    • B65D43/0214Removable lids or covers without integral tamper element secured only by friction or gravity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/04Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04Polymers of ethylene
    • B29K2023/06PE, i.e. polyethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/712Containers; Packaging elements or accessories, Packages
    • B29L2031/7162Boxes, cartons, cases
    • B29L2031/7168Egg-cartons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018Overall construction of the lid
    • B65D2543/00064Shape of the outer periphery
    • B65D2543/0012Shape of the outer periphery having straight sides, e.g. with curved corners
    • B65D2543/00175Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond
    • B65D2543/00194Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond square or rectangular
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018Overall construction of the lid
    • B65D2543/00259Materials used
    • B65D2543/00296Plastic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00342Central part of the lid
    • B65D2543/00351Dome-like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00425Lids or covers welded or adhered to the container
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444Contact between the container and the lid
    • B65D2543/00481Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00527NO contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444Contact between the container and the lid
    • B65D2543/00481Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • B65D2543/00546NO contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00824Means for facilitating removing of the closure
    • B65D2543/00833Integral tabs, tongues, handles or similar
    • B65D2543/00842Integral tabs, tongues, handles or similar outside of the lid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2577/00Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10Container closures formed after filling
    • B65D2577/20Container closures formed after filling by applying separate lids or covers
    • B65D2577/2041Pull tabs
    • B65D2577/205Pull tabs integral with the closure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Packages (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Packaging For Recording Disks (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Cartons (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Basic Packing Technique (AREA)
  • Wrappers (AREA)
  • Table Devices Or Equipment (AREA)

Description

i DK 166958 B1
Opfindelsen angår en emballage formet som presenterbakke, og af den art, der omfatter en stiv bund af PVC, udformet med fordybninger og et stift låg af PVC, idet låget er forbundet med bunden ved hjælp af en 5 periferisk svejsestrimmel udformet med mindst én svækkelseszone, og hvor bunden og låget hver især har en udvendig, periferisk, plan yderkant, der strækker sig i et plan parallelt med presenterbakkens plan.
Der kendes mange emballager af plastmateriale 10 med en beholder, der eventuelt kan være udformet med fordybninger for varen eller varerne, og med en aftagelig dækfolie, som man progressivt fjerner ved træk på en periferisk del heraf.
I emballager af denne art består beholderen af 15 polyvinylchlorid (PVC) medens den til beholderen svejsede, fleksible dækfolie består af polyethylen.
Da dette materiale ingen stivhed har, kan sådanne emballager ikke yde god beskyttelse af varerne og indtil nu har man ikke kunnet fremstille emballager med 20 stiv bund og stift låg, begge af polyvinylchlorid, til effektiv beskyttelse af varerne mod kontakt-, stød- eller trykpåvirkninger og med progressivt aftageligt låg, eftersom sammensvejsede PVC-folier ikke kan skilles ad.
Fra GB-A- 1 349 103 kender man en emballage be-25 stående af en bund af PVC og et låg af PVC, hvilke to dele er svejset sammen ved en periferisk zone, som har en svækkelseslinie ved hvilken de to dele kan skilles ad ved overrivning af PVC-folierne.
Den fornødne kraftpåvirkning til overrivning af 30 materialer er større end emballagens modstandsdygtighed overfor deformationer.
Opfindelsen tager sigte på at afhjælpe disse u-lemper og giver anvisning på en sådan emballage, der helt igennem har den fornødne stivhed og som desuden 35 har et stift låg, der kan tages af eller krænges.
Med henblik herpå er en emballage af den indledningsvis angivne art ifølge opfindelsen ejendommelig DK 166958 B1 2 ved, at bunden har større stivhed end låget, at bunden og låget efter formning er påført et polyethylenlag, på hvilket der ved kompositdannelse under tryk er påført en polyethylenfilm af svejselig men progressivt aftage-5 lig type, idet bunden og låget hver især har to modstående, udragende, form- og dimensionsmæssigt identiske flige, og at bunden desuden er udformet med en rende, der har Uformet eller lignende tværsnit, nær ved den pågældende kant og indenfor denne kant.
10 Da låget ikke er udformet med områder af samme art som renden i bunden, har det en mindre stivhed end bunden, hvorfor låget nemt kan rives af, når man åbner præsenterbakken.
Opfindelsen forklares nærmere i det følgende un-15 der henvisning til den skematiske tegning, hvor fig. 1 er et længdesnit gennem en præsenterbakke ifølge opfindelsen, fig. 2 bakken set ovenfra, fig. 3 et delbillede i snit langs snitlinien 20 III-III i fig. 2, fig. 4 et delbillede i snit langs snitlinien IV-IV i fig. 2, og fig. 5 et delbillede, der i væsentlig større målestok viser opstablingen af de forskellige materiale-25 lag til bunden og/eller låget.
Som vist på tegningen omfatter præsenterbakken ifølge opfindelsen en bund 1 og et låg 2, hvor både bunden og låget har en periferisk, plan yderkant 3, 3', der rager udad i et plan, der er parallelt med 30 bakkens længdemidterplan X-X.
I henhold til den viste udførelsesform består bunden 1 af komposit materiale omfattende en folie 10 af uigennemtrængeligt, farvet eller uf arvet poly-vinylchlorid (PVC) af den art, der egner sig til føde-35 varer, hvilken folie ved en varmebehandling af i og for sig kendt art er udformet med fordybninger 4 beregne- DK 166958 B1 3 de til eksempelvis at indeholde små osteportioner, hvilken folie derefter får påført et tyndere lag 11 af polyethylen af fødevarekvalitet, hvorpå der ved trykbehandling dannes et komposit med en tynd film 12 5 af polyethylen af den art, der kan tages eller rives af.
Bunden er hensigtsmæssigt udformet med en periferisk rende 5 med for eksempel U-formet tværsnit, hvilken rende hensigtsmæssigt tilvejebringes samtidigt 10 med fordybningerne 4 og ved den samme bearbejdningsproces .
Som det fremgår af tegningen befinder renden 5 sig umiddelbart ved bundens periferiske yderkant 3', indenfor denne yderkant.
15 Låget 2 der har en vis højde, består også af det samme kompositionsmateriale som bunden 1, men der er anvendt transparent materiale. Dette låg er afgrænset af kanten 3, der har den samme form og de samme dimensioner som yderkanten 3' på bunden 1.
20 Begge yderkanter 3 og 3' er udformet med mod stående flige 6, 6', der rager udad i planet for kanterne henholdsvis 3, 3'.
I det viste udførelseseksempel har disse flige 6,6' afrundet form, men de kan have en hvilken som 25 helst anden form, for eksempel aflang form eller rektangulær form.
Hvad angår fordybningerne 4 er det klart, at deres form og deres antal kan afvige fra det her viste eksempel.
30 Yderkanterne 3, 3' klæbes sammen eller svejses sammen, fortrinsvis ved højfrekvenssvejsning eller på anden passende måde, hvor der ikke anvendes varme, således at der på disse kanter dannes en kontinuert strimmel 7 af konstant bredde over hele omkredsen af 35 emballagen bortset fra området ved fligene 6,6', hvor der i denne sammensvejsning af folier af polyethylen af

Claims (2)

  1. DK 166958 B1 aftagelig art findes en svækkelseszone, der udgøres af et afsnit 8 af væsentlig mindre bredde, og hvor der efterlades en væsentlig del af fligene 6, 6 ·, hvor disse ikke er svejset sammen, således at man som vist i 5 fig. 3 kan fjerne dem ved at gribe dem fast og udøve modsatrettet trækpåvirkning ved svækkelseszonen 8 i svejsesømmen 7. På denne måde kan man nemt åbne præsenterbakken ved progressiv fjernelse af låget. Låget 2 kan hensigtsmæssigt være udformet med 10 mindst ét indadrettet fremspring 9, der har pyramideform eller kegleform og tjener til at samle en eventuel kondensdannelse på indersiden i låget. Da låget ikke er udformet med områder af samme art som renden 5 i bunden, har det en mindre stivhed 15 end bunden, hvorfor låget nemt kan rives af, når man åbner præsenterbakken. Desuden har låget en mindre tykkelse end bakken, idet tykkelsesforholdet mellem låget og bakken hensigtsmæssigt er på ca. 7/10. Præsenterbakkens stivhed giver mulighed for at 20 emballere skøre eller sprøde varer, såsom oste, uden risiko for at disse beskadiges, når bakkerne stables op. En således udformet præsenterbakke er stiv og tætsluttet. Den kan derfor i forbindelse med sammen-25 svejsningsoperationen påfyldes med inert gas, der sikrer længere holdbarhed for varerne. Det er klart, at bakken ikke behøver at have den form, der som udførelseseksempel er vist i fig.
  2. 2 og at bakken kan være cirkulær, oval og så videre, og at den kan udformes med et 30 dekorativt mønster eller med reklametekst. Emballage formet som præsenterbakke, og af den 35 art, der omfatter en stiv bund af PVC, udformet med fordybninger og et stift låg af PVC, idet låget er for- DK 166958 B1 bundet med bunden ved hjælp af en periferisk svejse-strimmel udformet med mindst én svækkelseszone, og hvor bunden og låget hver især har en udvendig, periferisk, plan yderkant, der strækker sig i et plan parallelt med 5 præsenterbakkens plan, kendetegnet ved, at bunden (1) har større stivhed end låget (2), at bunden (1) og låget (2) efter formning er påført et polyethy-lenlag (11), på hvilket der ved kompositdannelse under tryk er påført en polyethylenfilm (12) af svejselig men 10 progressivt aftagelig type, idet bunden og låget hver især har to modstående, udragende, form- og dimensionsmæssigt identiske flige (6,6'), og at bunden desuden er udformet med en rende (5), der har U-formet eller lignende tværsnit, nær ved den pågældende kant (3') og in-15 den for denne kant.
DK346087A 1986-07-09 1987-07-06 Emballage formet som praesenterbakke DK166958B1 (da)

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FR8610026A FR2601333B1 (fr) 1986-07-09 1986-07-09 Plateau-presentoir perfectionne formant emballage
FR8610026 1986-07-09

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ES2016980B3 (es) 1990-12-16
ATE54897T1 (de) 1990-08-15
EP0252791B1 (fr) 1990-07-25
PT85283A (pt) 1988-07-29
CA1312022C (fr) 1992-12-29
EP0252791A1 (fr) 1988-01-13
US4765463A (en) 1988-08-23
JPS6322367A (ja) 1988-01-29
DK346087A (da) 1988-01-10
DK346087D0 (da) 1987-07-06
AU588117B2 (en) 1989-09-07
PT85283B (pt) 1993-07-30
DE3763922D1 (de) 1990-08-30
FR2601333B1 (fr) 1989-06-16
AU7501087A (en) 1988-02-04
FR2601333A1 (fr) 1988-01-15

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