NL8003701A - HOLDER OF PAPER, KRAFT, CARDBOARD O.D. MATERIAL. - Google Patents

HOLDER OF PAPER, KRAFT, CARDBOARD O.D. MATERIAL. Download PDF

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Publication number
NL8003701A
NL8003701A NL8003701A NL8003701A NL8003701A NL 8003701 A NL8003701 A NL 8003701A NL 8003701 A NL8003701 A NL 8003701A NL 8003701 A NL8003701 A NL 8003701A NL 8003701 A NL8003701 A NL 8003701A
Authority
NL
Netherlands
Prior art keywords
layer
hull
paper
adhesive
container
Prior art date
Application number
NL8003701A
Other languages
Dutch (nl)
Original Assignee
Toppan Printing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Publication of NL8003701A publication Critical patent/NL8003701A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single 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
    • B29C66/135—Single hemmed joints, i.e. one of the parts to be joined being hemmed in the joint area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General 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
    • B29C66/51—Joining 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
    • B29C66/54—Joining 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
    • B29C66/543—Joining 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 more than two hollow-preforms to form said hollow articles
    • B29C66/5432—Joining 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 more than two hollow-preforms to form said hollow articles joining hollow covers and hollow bottoms to open ends of container bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General 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
    • B29C66/51—Joining 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
    • B29C66/54—Joining 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
    • B29C66/545—Joining 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 one hollow-preform being placed inside the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General 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
    • B29C66/72—General 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
    • B29C66/723—General 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
    • B29C66/7232—General 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 non-plastics layer
    • B29C66/72327—General 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 non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General 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
    • B29C66/73—General 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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General 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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General 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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General 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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/12—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/22—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines with double walls; with walls incorporating air-chambers; with walls made of laminated material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/482—Drying adhesives, e.g. solvent based adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
    • B29C65/485—Multi-component adhesives, i.e. chemically curing as a result of the mixing of said multi-components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General 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
    • B29C66/51—Joining 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
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Cartons (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Making Paper Articles (AREA)

Description

jr , . Λyr,. Λ

P & CP&C

W 5260-3 Ned.W 5260-3 Ned.

Houder van papier, kraft, karton o.d. materiaal.Holder of paper, kraft, cardboard or the like. material.

De uitvinding heeft betrekking op een houder van papier, kraft, karton o.d. materiaal, welke houder een cylindrisch (of omgekeerd afgeknot kegelvormig) rompgedeelte bezit, en meer in het bijzonder op een houder van papier, kraft, karton o.d. materiaal, waarbij het ene einde van een 5 rompelement een in de lengterichting lopend en klevend gedeelte bevat en dit rompgedeelte dun gemaakt is tot nagenoeg de halve dikte over een vooraf bepaalde breedte, waarbij een groef gevormd is in het midden van het dungemaakte gedeelte in de langsrichting, terwijl dit dungemaakte gedeelte gevouwen is om deze groef nadat een kleefmiddel aangebracht is 10 op dit dungemaakte gedeelte, en een rompgedeelte gevormd is door beide binden van het element aan elkaar te laten kleven terwijl het gevouwen einde geplaatst wordt binnen het omgevouwen andere einde, zodat het eindvlak van het papier o.d. materiaal niet blootgesteld wordt aan de inhoud van de houder.The invention relates to a container of paper, kraft, cardboard or the like. material, which container has a cylindrical (or inverted frusto-conical) hull section, and more particularly on a container of paper, kraft, cardboard or the like. material, wherein one end of a hull member includes a longitudinal and adhesive portion and this hull portion is made thin to approximately half the thickness over a predetermined width, a groove being formed in the center of the thinned portion in the longitudinal direction, while this thinned portion is folded around this groove after an adhesive is applied to this thinned portion, and a hull portion is formed by adhering both of the members of the element while the folded end is placed within the folded other end, so that the end face of the paper od material is not exposed to the contents of the container.

15 Tenzij anders vermeld, wordt in het hierna volgende onder "papier" steeds verstaan : "papier, kraft, karton o.d. materialen".15 Unless otherwise stated, in the following the term "paper" always means: "paper, kraft, cardboard or other materials".

Bij de vervaardiging van een papieren houder voor alkoholvrije dranken is het de normale gang van zakèn om dat einde van het papier te vouwen, dat blootgesteld is aan het inwendige van de houder om het 20 eindvlak te bedekken met een dekmateriaal zoals kunststofband om te voorkomen dat het eindvlak van het papier wordt blootgesteld aan het inwendige van de houder. Gebleken is echter dat beide methoden onvolkomen zijn. In de eerstgenoemde methode, aangezien het element als geheel gevouwen moet worden, is het vouwen moeilijk. Scheurtjes hébben de neiging 25 gevormd te worden, hetgeen resulteert in lekkage van de inhoud of het instromen van de buitenlucht. In de laatstgenoemde methode kan de vastgekleefde band gemakkelijk worden verwijderd. Voorts voor het bedekken van deze band is een extra procedure vereist, hetgeen resulteert in een toename van kosten en ingewikkeldheid van de vervaardiging.In the manufacture of a paper container for non-alcoholic beverages, it is the normal practice of business to fold that end of the paper exposed to the interior of the container to cover the end face with a cover material such as plastic tape to prevent the end face of the paper is exposed to the interior of the container. However, it has been found that both methods are imperfect. In the former method, since the element has to be folded as a whole, folding is difficult. Cracks tend to form, resulting in leakage of the contents or inflow of the outside air. In the latter method, the adhered tape can be easily removed. Furthermore, an additional procedure is required to cover this tape, resulting in an increase in cost and manufacturing complexity.

30 Bij een conventionele houder van papier levert het vouwen van het eindvlak van het rompelement, dat blootgesteld wordt aan het inwendige van de houder niet veel problemen op, aangezien de vorm van de houder vierkant is en het gevouwen gedeelte bijna recht is. Echter bij een papieren houder met een cylindrisch of omgekeerd afgeknot kegelvormig rompgedeelte 35 is het noodzakelijk de thermoplastische kunsthars aan het uitwendige 800 3 7 01 - 2 - oppervlak van het rompgedeelte te verwarmen en smelten met hete lucht om de kleefkracht van de klevende rompgedeelten te verbeteren. Deze voor-verwarming brengt soms het gevouwen gedeelte van het dungemaakte gedeelte van het rompelement terug naar de oorspronkelijke toestand. Teneinde deze 5 tekortkomingen te overwinnen doet de onderhavige uitvinding haar intrede, volgens welke het dungemaakte gedeelte wordt gevouwen nadat een kleef-middel is opgebracht op het einde van het rompelement.In a conventional paper container, folding the end face of the body element exposed to the interior of the container does not present many problems, since the shape of the container is square and the folded portion is almost straight. However, in a paper container with a cylindrical or inverted frusto-conical hull section 35, it is necessary to heat the thermoplastic resin on the exterior 800 3 7 01 - 2 surface of the hull section and melt with hot air to improve the adhesive strength of the adhesive hull sections. . This preheating sometimes returns the folded portion of the thinned portion of the hull member to its original state. In order to overcome these shortcomings, the present invention makes its appearance according to which the thinned portion is folded after an adhesive is applied to the end of the body element.

Het voornaamste oogmerk van de onderhavige uitvinding is het verschaffen van een papieren houder met een cylindrisch of een omgekeerd 10 afgeknot kegelvormig rompgedeelte en meer in het bijzonder een papieren houder, die tot kenmerk heeft, dat het ene einde van het rompelement, dat het klevende gedeelte van het rompgedeelte bevat, dun gemaakt is tot nagenoeg de halve dikte over een vooraf bepaalde breedte, waarbij een langsgroef is gevormd in het midden van het dungemaakte gedeelte, terwijl 15 het dungemaakte gedeelte gevouwen is om deze groef nadat een kleefmiddel aangebracht is op dit dungemaakte gedeelte, en een rompgedeelte gevormd is door beide einden van het element aan elkaar te laten kleven terwijl het gevouwen einde geplaatst’wördt~binneiiliet ongevouwen andere einde, zodat het eindvlak van het papier niet blootgesteld wordt aan het inwendige 20 van de houder.The main object of the present invention is to provide a paper container with a cylindrical or an inverted frusto-conical body portion and more particularly a paper container, characterized in that one end of the body element, which is the adhesive portion of the hull section is made thinner to substantially half thickness over a predetermined width, a longitudinal groove is formed in the center of the thin section, while the thin section is folded around this groove after an adhesive is applied to this thin section portion, and a body portion is formed by adhering both ends of the element together while the folded end is placed inside an unfolded other end so that the end face of the paper is not exposed to the interior of the container.

Het rompelement van de houder heeft een gelaagde structuur bestaande uit, gaande van buiten naar binnen: een thermoplastische kunsthars, papier, een kleefmiddel, metaal, een warmtebestendig kleefmiddel, en een thermoplastische kunsthars. Een cirkelvormig deksel en een cirkelvormige 25 bodem van hetzelfde materiaal zijn vastgekleefd aan de boven- en onderrand, welke de openingen van het rompgedeelte omgeven.The body of the container has a layered structure consisting of, going from the outside to the inside: a thermoplastic resin, paper, an adhesive, metal, a heat resistant adhesive, and a thermoplastic resin. A circular lid and a circular bottom of the same material are adhered to the top and bottom edges surrounding the openings of the hull section.

De uitvinding zal hieronder aan de hand van een in de figuren der bijgaande tekeningen weergegeven uitvoeringsvoorbeeld nader worden toegelicht.The invention will be explained in more detail below with reference to an illustrative embodiment shown in the figures in the accompanying drawings.

30 Fig. 1 toont een aanzicht in perspectief van de papieren houder volgens de uitvinding;FIG. 1 shows a perspective view of the paper container according to the invention;

Fig. 2 (I), 2 (XX), en 2 (III) geven gedeelten van doorsneden weer, die de vervaardigingswerkwijze illustreren voor het eindvlak van de romp van de houder volgens de onderhavige uitvinding; 35 Fig. 3 laat een dwarsdoorsnede zien van de houder volgens de onderhavige uitvinding; 800 3 7 01 - 3 - *“ -·Fig. 2 (I), 2 (XX), and 2 (III) illustrate sections of sections illustrating the manufacturing method for the end face of the body of the container according to the present invention; FIG. 3 shows a cross section of the container according to the present invention; 800 3 7 01 - 3 - * “- ·

Fig. 4 geeft op vergrote schaal een doorsnede van het detail A van fig. 3; enFig. 4 is an enlarged sectional view of detail A of FIG. 3; and

Fig. 5 stelt een vertikale doorsnede voor van de houder volgens de onderhavige uitvinding.Fig. 5 represents a vertical section of the container of the present invention.

5 Zoals te zien is in fig. 1 bevat de papieren houder volgens de onderhavige uitvinding een cylindrisch rompgedeelte 1, een bodemgedeelte 3 aan het onderste einde, en een verdiept gelegen dekselgedeelte 2 met een openingsmiddel 6, dat op zijn beurt bestaat uit een vulgat 5 en een afdichting 4. Zoals meer in het bijzonder te zien is uit fig. 2 is het 10 ene einde van een rompelement (B) gemaakt uit papier (b) dungemaakt tot nagenoeg de halve dikte over een vooraf bepaalde breedte teneinde het papier (b) af te slijpen onder vorming van een dunner gedeelte (C).As can be seen in Fig. 1, the paper container according to the present invention comprises a cylindrical body portion 1, a bottom portion 3 at the bottom end, and a recessed lid portion 2 with an opening means 6, which in turn consists of a filling hole 5 and a seal 4. As can be seen more particularly from Figure 2, the one end of a body element (B) made of paper (b) is thinned to approximately half a thickness over a predetermined width to form the paper (b ) to form a thinner section (C).

Een langsgroef (D) is gevormd in het midden van het dungemaakte gedeelte (C). Een warmtebestendige gom zoals een kleefmiddel (f), bijvoorbeeld een 15 emulsie van vinylascetaathars of dergelijke wordt opgebracht op het dungemaakte gedeelte (C) dat deze groef (D) bevat, en de warmtebestendige gom wordt bestraald met infrarode stralen teneinde het zich daarin bevindende water te verdampen. Het dungemaakte gedeelte wordt gevouwen zodat het eindvlak van het dungemaakte papier (d) en het eindvlak van het 20 niet-dungemaakte gedeelte van het element (B) met elkaar contact maken.A longitudinal groove (D) is formed in the center of the thinned portion (C). A heat-resistant gum such as an adhesive (f), for example, an emulsion of vinyl acetate resin or the like, is applied to the thinned portion (C) containing this groove (D), and the heat-resistant gum is irradiated with infrared rays in order to contain the water contained therein to evaporate. The thinned portion is folded so that the end face of the thinned paper (d) and the end face of the non-thinned portion of the element (B) contact.

Het eindvlak van het element wordt dan bedekt met een waterdichte en oliebestendige laag (E) zodat het element (B) gelijkmatig van dikte is.The end face of the element is then covered with a waterproof and oil resistant layer (E) so that the element (B) has an even thickness.

Het rompelement, waarvan het ene einde bedekt is met het gevouwen dungemaakte gedeelte, wordt gerold over een (niet-weergegeven) vormmandril 25 teneinde een rompgedeelte 1 te vormen op zodanige wijze dat het bedekte einde van het rompelement zich bevindt binnen de houder (zie fig. 2-4).The hull member, one end of which is covered with the folded thin section, is rolled over a mold mandrill (not shown) 25 to form a hull section 1 such that the covered end of the hull member is within the container (see fig. 2-4).

Een verdiept gelegen dekselgedeelte 2 met een openingsmiddel omvattende een vulgat 5 en een afdichting 4 is bevestigd aan het bovenste open einde, en een bodem 3 is bevestigd aan het open onderste einde van het romp-30 gedeelte 1. Het element voor het rompgedeelte, het dekselgedeelte en het bodemgedeelte van de houder bevat in overeenstemming met de onderhavige uitvinding bij voorkeur van buiten naar binnen gaande: een thermoplastische kunstharslaag, een papieren laag, een kleefmiddellaag, een metalen laag, een warmtebestendige kleeflaag, en een thermoplastische 35 kunstharslaag. Zoals men bijvoorbeeld kan zien in fig. 4 bestaat de 800 3 7 01 - 4 - gelaagde structuur op geschikte wijze van buiten naar binnen gaande uit: een laag polyetheen (a), een papieren laag (b), een laag polyetheen (c), een aluminium laag (d), een laag kleef middel op urethan-basis van het type van twee vloeibare componenten (d'), en een polyetheen laag (e); of 5 anders een laag polyetheen (a), een laag papier (d), een laag van een emulsie van een warmtebestendig kleefmiddel van het acryl-copolymeer type (c), een laag aluminium (d), een laag kleefmiddel op urethan-basis van het type van twee vloeibare componenten (d'), en een laag polyetheen (e).A recessed lid portion 2 with an opening means comprising a fill hole 5 and a seal 4 is attached to the top open end, and a bottom 3 is attached to the open bottom end of the body 30. The element for the body portion, the In accordance with the present invention, the lid portion and the bottom portion of the container preferably comprise from the outside inwardly: a thermoplastic resin layer, a paper layer, an adhesive layer, a metal layer, a heat-resistant adhesive layer, and a thermoplastic resin layer. For example, as can be seen in Fig. 4, the 800 3 7 01 - 4 - layered structure suitably consists of going from the outside in: a layer of polyethylene (a), a paper layer (b), a layer of polyethylene (c) an aluminum layer (d), a urethane-based adhesive layer of two liquid components (d ') type, and a polyethylene layer (e); or else a layer of polyethylene (a), a layer of paper (d), a layer of an emulsion of a heat-resistant adhesive of the acrylic copolymer type (c), a layer of aluminum (d), a layer of urethane-based adhesive of the type of two liquid components (d '), and a layer of polyethylene (e).

De onderhavige uitvinding van een dergelijke structuur verschaft 10 de hieronder beschreven praktische voordelen: i) het eindgedeelte van het rompelement wordt gevouwen nadat het dungemaakt is tot nagenoeg de halve dikte. Dit vertoont derhalve geen vormingsdefecten als gevolg van buitensporige dikte in vergelijking met conventionele houders, waarbij de gehele dikte van het eindgedeelte wordt 15 opgevouwen of het eindgedeelte bedekt wordt met kunststofband. Dit resulteert in een stabiliteit en precisie bij de vorming en in een verbeterde waterdichtheid en luchtdichtheid.The present invention of such a structure provides the practical advantages described below: i) the end portion of the body element is folded after it has been made thin to approximately half its thickness. Therefore, it does not exhibit formation defects due to excessive thickness compared to conventional containers, where the entire thickness of the end portion is folded or the end portion is covered with plastic tape. This results in stability and precision in forming and in improved watertightness and airtightness.

ii) het dungemaakte gedeelte aan het ene einde van het rompgedeelte wordt gevouwen nadat een kleefmiddel daarop is aangebracht. Aldus keert 20 het gevouwen gedeelte niet terug naar de oorspronkelijke toestand onder de grote uitgeoefende uitwendige kracht wanneer het vastgekleefd is aan het andere einde en wanneer het rompgedeelte van cylindrische of omgekeerd afgeknot kegelvormige gedaante is.ii) the thinned portion at one end of the trunk portion is folded after an adhesive is applied thereto. Thus, the folded portion does not return to the original state under the great applied external force when it is adhered to the other end and when the body portion is of cylindrical or inversely frusto-conical shape.

iii) een laag kleefmiddel, bijvoorbeeld een laag kleefmiddel op 25 urethan-basis van het type van twee vloeibare componenten, wordt aangebracht tussen de binnenste laag van thermoplastische kunststof hars en de metaallaag van het rompelement. Aldus is de houder geschikt voor de beoogde inhoud ervan en is de vastkleving verbeterd. Een andere laag warmtebestendig kleefmiddel van polyetheen of van een emulsie van het 30 acryl-copolymeer type wordt gelamineerd of bedekt tussen de papierlaag en de metaallaag zodat de vastkleving verder wordt verbeterd en geen scheiding van het vastgekleefde deel ten gevolge van de bij het vormingsproces opgewekte hitte wordt veroorzaakt.iii) a layer of adhesive, for example, a layer of urethane-based adhesive of the two liquid components type, is applied between the inner layer of thermoplastic plastic resin and the metal layer of the body element. Thus, the container is suitable for its intended content and adhesion is improved. Another layer of heat resistant adhesive of polyethylene or of an acrylic copolymer type emulsion is laminated or covered between the paper layer and the metal layer so that the adhesion is further improved and no separation of the adhered part due to the heat generated in the molding process is caused.

iv) het eindvlak van de papierlaag bij het klevend gedeelte van 35 het rompelement wordt bedekt met een laag kunststofhars zoals polyetheen 800 3 7 01 r * - 5 - aan het binnenoppervlak van de houder. Een laag metaalfoelie zoals aluminium wordt gedeponeerd aan de binnenzijde ervan. Aldus worden de waterdichte en gas-barriêre eigenschappen verbeterd.iv) the end face of the paper layer at the adhesive portion of the hull element is covered with a layer of plastic resin such as polyethylene 800 3 7 01 * 5 - on the inner surface of the container. A layer of metal foil such as aluminum is deposited on the inside thereof. Thus, the waterproof and gas barrier properties are improved.

v) wanneer het rompgedeelte cylindrisch is (dus recht), kan deze 5 houder worden gebruikt voor reeds bestaande automatische verkoopmachines (of automaten), waarbij houders van omgekeerde afgeknot kegelvormige (tegengesteld taps toelopende) houders niet kunnen worden gebruikt. Aldus kan deze houder worden gebruikt in de plaats van metalen blikjes.v) when the hull section is cylindrical (ie straight), this holder can be used for pre-existing automatic vending machines (or vending machines), in which holders of inverted frusto-conical (counter-tapered) holders cannot be used. Thus, this container can be used instead of metal cans.

10 800 370110 800 3701

Claims (4)

1. Houder van papier, kraft, karton o.d. materiaal, die een in hoofdzaak cylindrische romp omvat, die bestaat uit een rompelement met een thermoplastische kunstharslaag als binnenste laag, met het kenmerk, dat het ene einde van het rompelement, dat het klevend gedeelte 5 van het rompgedeelte bevat, dungemaakt is tot nagenoeg de halve dikte over een vooraf bepaalde breedte, waarbij een langsgroef (D) is gevormd in het midden van het dungemaakte gedeelte (C), terwijl het dungemaakte gedeelte (C) gevouwen is om deze groef (D) nadat een kleefmiddel (f) aangebracht is om dit dungemaakte gedeelte, en een rompgedeelte gevormd 10 is door beide einden van het element aan elkaar te laten kleven, terwijl het gevouwen einde geplaatst wordt binnen het ongevouwen andere einde, en een cirkelvormig dekselgedeelte (2) en een cirkelvormig bodemgedeelte (3) van hetzelfde materiaal als dat van het rompelement (B) zijn bevestigd, resp. aan het open boveneinde en bodemeinden van het rompgedeelte.1. Holder of paper, kraft, cardboard or the like. material, comprising a substantially cylindrical hull, which consists of a hull element with a thermoplastic synthetic resin layer as the inner layer, characterized in that one end of the hull element, which contains the adhesive part 5 of the hull part, is made thin to substantially the half thickness over a predetermined width, with a longitudinal groove (D) formed in the center of the thin section (C), while the thin section (C) is folded around this groove (D) after an adhesive (f) is applied to this thinned portion, and a hull portion is formed by adhering both ends of the element together, the folded end being placed within the unfolded other end, and a circular lid portion (2) and a circular bottom portion (3) of the same material as that of the hull element (B) is attached, resp. at the open top and bottom ends of the hull section. 2. Houder volgens conclusie 1, met het kenmerk, dat het rompelement een gelaagde structuur bezit bevattende van buiten naar binnen gaande: een laag thermoplastische kunststofhars, een laag papier, een laag kleefmiddel, een laag metaal, een laag warmtebestendig kleefmiddel, en een&aag thermoplastische kunststofhars.A container according to claim 1, characterized in that the body element has a layered structure comprising from the outside to the inside: a layer of thermoplastic resin, a layer of paper, a layer of adhesive, a layer of metal, a layer of heat-resistant adhesive, and a layer of thermoplastic. plastic resin. 3. Houder volgens conclusie 1, met het kenmerk, dat het rompgedeelte cylindrisch is.Holder according to claim 1, characterized in that the body part is cylindrical. 4. Houder volgens conclusie 1, met het kenmerk, dat het rompgedeelte een omgekeerde afgeknot kegelvormige gedaante bezit. 25 800 3 7 01A container according to claim 1, characterized in that the body portion has an inverted frusto-conical shape. 25 800 3 7 01
NL8003701A 1979-06-26 1980-06-26 HOLDER OF PAPER, KRAFT, CARDBOARD O.D. MATERIAL. NL8003701A (en)

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JPS6013637A (en) * 1983-07-05 1985-01-24 東洋製罐株式会社 Sealed vessel
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FR2459724B1 (en) 1984-11-23
FR2459724A1 (en) 1981-01-16
IT8035865V0 (en) 1980-06-26
IT1145268B (en) 1986-11-05
GB2055743A (en) 1981-03-11
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JPS566787U (en) 1981-01-21

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