EP3201394A1 - Procédé et dispositif de production d'une pièce moulée fibreuse - Google Patents

Procédé et dispositif de production d'une pièce moulée fibreuse

Info

Publication number
EP3201394A1
EP3201394A1 EP15775661.0A EP15775661A EP3201394A1 EP 3201394 A1 EP3201394 A1 EP 3201394A1 EP 15775661 A EP15775661 A EP 15775661A EP 3201394 A1 EP3201394 A1 EP 3201394A1
Authority
EP
European Patent Office
Prior art keywords
fiber molding
forming wire
fiber
sleeve
tool holder
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.)
Granted
Application number
EP15775661.0A
Other languages
German (de)
English (en)
Other versions
EP3201394B1 (fr
Inventor
Christer Halvardsson
David Kjellin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SIG Services AG
Original Assignee
SIG Technology AG
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 SIG Technology AG filed Critical SIG Technology AG
Priority to PL15775661T priority Critical patent/PL3201394T3/pl
Publication of EP3201394A1 publication Critical patent/EP3201394A1/fr
Application granted granted Critical
Publication of EP3201394B1 publication Critical patent/EP3201394B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J5/00—Manufacture of hollow articles by transferring sheets, produced from fibres suspensions or papier-mâché by suction on wire-net moulds, to couch-moulds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J7/00—Manufacture of hollow articles from fibre suspensions or papier-mâché by deposition of fibres in or on a wire-net mould

Definitions

  • the invention relates to a method and an apparatus for the production
  • Fiber molding in particular a head or bottom element for
  • Beverage packaging container and a manufactured thereafter molded fiber article Beverage packaging container and a manufactured thereafter molded fiber article.
  • Folded beverage containers made of fiber composites have long been known in a variety of configurations. The most common are those containers which are made of a single blank of a cardboard / plastic composite. However, there are also multi-part container known in which the head and / or bottom element is inserted into a tubular packing jacket and connected to this / or in which initially a one-sided open container is produced by appropriate folding of one end, in the then one Cover element is used, as is known for example from US 4 527 699 or from EP 0 893 355 A2, in which used head and bottom elements
  • the fiber molded part is gas- and liquid-tight coated, so that a container produced in this way also as aseptic Can serve packaging container, as it is needed for some foods or drinks.
  • the fiber molding should have a smooth surface to be coated easily, d. H. no individual fibers should protrude from the fiber molding.
  • the seam area must also be so strong and compact that it can be easily connected to the tubular end of a packing jacket or package open on one side.
  • the joining is done here usually by means of a thermal
  • the invention is therefore based on the object to propose a method and an apparatus for producing a fiber molding, in which the aforementioned disadvantages are avoided. It is a fiber molding with an improved structure and surface quality can be produced in which no protruding fibers occur and any rounded geometries can be created.
  • the solution to the problem consists in the following steps:
  • the invention comprises a fiber molding, which after the
  • the forming wire used for it wets relatively evenly, so that the molded part thus produced has substantially the same thicknesses throughout.
  • the invention has now recognized that a fiber molding of any geometry can be produced thereby particularly advantageous, in which the peripheral edge region at the end edge of the fiber molding with a particularly dense and stable
  • Fiber view can be provided if, immediately after the misting of the forming wire, the fiber material in the region of the peripheral edge of the forming wire is compressed by inflating an outer sleeve in the area in which the subsequent sealing takes place with the remaining part of the beverage container. According to the invention, no additional tools are necessary and it keeps the design effort by providing an inflatable cuff together with air supply / s within manageable limits.
  • Another teaching of the invention provides that the top of the fiber molding is sprayed with water before it is removed from the forming wire. In this way, the precipitated fibers are evenly distributed.
  • the fiber molded part is spent after removal on a pressing tool with a matching geometry to the fiber molding and mechanically compacted there with a lowerable on the mandrel punch.
  • the forming wire can be acted upon from the inside with air so that both a negative pressure for
  • Precipitation of the outer fibers and an overpressure for releasing and removing the fiber molding can be applied. In this way, the fibers settle faster and more evenly and can be very easily detached from the screen surface, as well as also remove pneumatically from the tool or forming wire.
  • Another embodiment of the invention provides that the fiber molding is dried after removal. Such drying can be carried out in a known manner by means of compressed air and / or by means of the supply of thermal energy.
  • a further teaching of the invention provides that the inner and possibly also the outer surface of the fiber molded part is / are coated gas-tight and / or liquid-tight. A gas- or liquid-tight coating is always necessary when provided with such a fiber molded part
  • Beverage packages to be filled with liquid products Beverage packages to be filled with liquid products.
  • the peripheral edge of the fiber molding and optionally an opening located in the fiber molding part is cut or introduced, wherein the cutting or insertion can be done by cutting, punching or by means of a laser.
  • the tool holder with the forming wire and the sleeve arranged on the tool holder can be easily cleaned by spraying with water.
  • a further teaching of the invention with regard to the device used provides that a mold corresponding to the shape of the fiber molding is arranged with a plurality of air channels in the interior of the forming wire.
  • the air ducts preferably run from at least one central supply line to different points of the outer surface of the molding tool.
  • a particularly elegant structural design can be achieved in that the collar is clamped inwardly from the forming wire or the forming tool and outwardly by a holding plate pressure-tight on the tool holder. In this way, an optimal seal can be achieved and is also the replacement of a cuff to be replaced with little technical effort to accomplish.
  • a circumferential air passage which has at least one connecting line for supplying and discharging compressed air. That way is ensures that a uniform inflation of the sleeve takes place in order to achieve an equally uniform compression of the lower edge of the fiber molding.
  • the mesh size of the wire mesh for the forming wire is between 40 mesh to 62 mesh, preferably 49 mesh. Thus, good surface qualities can be achieved with adequate dewatering with the fibers used.
  • the forming wire is formed as a positive mold and the sleeve is arranged at the lower edge of the forming wire.
  • the forming wire is formed as a negative mold and the sleeve is arranged at the upper edge of the forming wire.
  • the cuff is made of fluoroelastomer in order to give the cuff a long life.
  • FIG. 1 shows a first vertical section through a device according to the invention
  • Fig. 2 is a plan view of the object of Fig. 1, a further vertical section through the device according to the invention along the line III-III of Fig. 2 and Fig. 4 is a manufactured with the aforementioned device fiber molding, from below and in perspective view.
  • a forming wire 1 which extends along the outer contour of a mold 2.
  • the mold 2 is hollow on the inside and has a plurality of channels 3, which are executed in the illustrated preferred embodiment as bores extending from the surface of the mold 2 at suitable locations to the hollow interior of the mold 2.
  • the mold 2 is located on a tool holder 4 and is connected with only partially visible screws 5 from below with this.
  • the tool holder 4 has a central supply line 6, which may also be designed as a bore.
  • a mounting plate 7 which in turn has a central supply line for the air supply of the mold 2.
  • a preferably designed as an O-ring seal 8 provides the necessary tightness of the contact area between the tool holder 4 and mounting plate 7.
  • An inflatable cuff 9 is present, at its inner end of the mold 2 with the tool holder 4 and the outer End of an attached plate 10 is clamped.
  • Below the sleeve 9 runs a the shape of the sleeve 9 corresponding circumferential air duct 11, which will be described in more detail below.
  • Fig. 2 which shows a plan view of the apparatus of FIG. 1, clearly shows that the mold 2 is designed asymmetrically and that the uplifting nozzle is arranged eccentrically to the vertical axis of the Faserfomteils.
  • Fig. 3 has substantially the same structure as Fig. 1, but here are clearly arranged below the circumferential annular channel 11 supply channels for a compressed air connection 12, in the illustrated and preferred embodiment, double present shown.
  • the entire device is immersed in a pulp slurries, so that the entire forming wire 1 is surrounded by pulp. After lifting the
  • the forming wire 1 is evenly fogged and the fiber molded part separates from the screen structure by generating a pressure inside the
  • FIG. 4 A fiber molded part F produced in this way is shown in FIG. 4, for better representation of the contour according to the forming wire 1 or forming tool 2 the fiber shaped part F "is located upside down.
  • a uniform circumferential edge R which is required for the sealing with a tubular beverage container casing (not shown)
  • a socket S pointing downwards in this illustration, which is suitable for receiving a screw cap.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Paper (AREA)
  • Making Paper Articles (AREA)
  • Packages (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Apparatus For Making Beverages (AREA)
  • Closures For Containers (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Non-Alcoholic Beverages (AREA)

Abstract

L'invention concerne un procédé et un dispositif de production d'une pièce moulée fibreuse (F), en particulier d'un élément supérieur ou inférieur destiné à des contenants d'emballages de boissons. L'objet de l'invention est de produire une pièce moulée fibreuse (F) présentant une structure et une qualité de surface améliorées, avec laquelle aucune fibre n'est saillante et n'importe quelle géométrie arrondie est obtenue. A cet effet, l'invention comprend les étapes suivantes : - l'enfoncement dans une boue de pâte d'un filtre-moule disposé sur un porte-outil, - le soulèvement du porte-outil, afin de faire sortir entièrement de la boue de pâte le filtre-moule garni, - la compression du matériau fibreux dans la zone du bord périphérique du filtre-moule par gonflement d'un manchon en faisant le tour, - le relâchement de la pression dans le manchon et – le retrait de la pièce moulée fibreuse. Un dispositif correspondant de production d'une pièce moulée fibreuse (F), en particulier d'un élément supérieur ou inférieur destiné à des contenants d'emballage de boissons, comprenant un porte-outil (4) sur lequel est disposé un filtre-moule (1), se caractérise par un manchon (9) circulaire, qui s'étend au-dessous du bord du filtre-moule (1) et peut être gonflé d'une position de base dans une position de travail.
EP15775661.0A 2014-09-30 2015-09-29 Procédé et dispositif de production d'une pièce moulée fibreuse Active EP3201394B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15775661T PL3201394T3 (pl) 2014-09-30 2015-09-29 Sposób i urządzenie do wytwarzania kształtki włóknistej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014114187.3A DE102014114187B4 (de) 2014-09-30 2014-09-30 Verfahren und Vorrichtung zur Herstellung eines Faserformteils und danach hergestelltes Faserformteil
PCT/EP2015/072367 WO2016050737A1 (fr) 2014-09-30 2015-09-29 Procédé et dispositif de production d'une pièce moulée fibreuse

Publications (2)

Publication Number Publication Date
EP3201394A1 true EP3201394A1 (fr) 2017-08-09
EP3201394B1 EP3201394B1 (fr) 2019-05-08

Family

ID=54260735

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15775661.0A Active EP3201394B1 (fr) 2014-09-30 2015-09-29 Procédé et dispositif de production d'une pièce moulée fibreuse

Country Status (14)

Country Link
US (1) US10309062B2 (fr)
EP (1) EP3201394B1 (fr)
JP (1) JP2017530266A (fr)
CN (1) CN107075815B (fr)
AU (1) AU2015327012A1 (fr)
BR (1) BR112017006288A2 (fr)
DE (1) DE102014114187B4 (fr)
ES (1) ES2727650T3 (fr)
MX (1) MX2017003212A (fr)
PL (1) PL3201394T3 (fr)
RU (1) RU2017114908A (fr)
TR (1) TR201907911T4 (fr)
WO (1) WO2016050737A1 (fr)
ZA (1) ZA201701679B (fr)

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PL3237680T3 (pl) * 2014-12-22 2020-08-24 Celwise Ab Sposób formowania produktu z zawiesiny masy oraz narzędzie lub część narzędzia do stosowania w takim sposobie
SE543042C2 (en) 2019-01-03 2020-09-29 Celwise Ab Tool and method for producing a 3D molded pulp product
US11421388B1 (en) * 2019-11-01 2022-08-23 Henry Molded Products, Inc. Single-walled disposable cooler made of fiber-based material and method of making a single-walled disposable cooler made of fiber-based material
JP7435276B2 (ja) * 2019-11-18 2024-02-21 王子ホールディングス株式会社 パルプモールド成形体
US12392090B2 (en) * 2020-07-14 2025-08-19 Peridot Print Llc Pore removal from screen devices to increase flow uniformity
CN112080966B (zh) * 2020-07-31 2022-11-15 广西福斯派环保科技有限公司 下模半网式纸塑模具
DE102020121977A1 (de) 2020-08-21 2022-02-24 PAPACKS SALES GmbH Verfahren und Vorrichtung zur Herstellung eines Faser-Formkörpers
CN116209575B (zh) * 2020-09-22 2025-08-01 佩里多特打印有限责任公司 将特征添加到用于形成带有细节的湿部的筛网

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Also Published As

Publication number Publication date
RU2017114908A3 (fr) 2019-07-26
JP2017530266A (ja) 2017-10-12
US20170226699A1 (en) 2017-08-10
DE102014114187A1 (de) 2016-03-31
EP3201394B1 (fr) 2019-05-08
AU2015327012A1 (en) 2017-04-13
MX2017003212A (es) 2017-07-20
TR201907911T4 (tr) 2019-06-21
RU2017114908A (ru) 2018-11-02
BR112017006288A2 (pt) 2017-12-12
US10309062B2 (en) 2019-06-04
CN107075815B (zh) 2019-01-11
WO2016050737A1 (fr) 2016-04-07
PL3201394T3 (pl) 2019-09-30
CN107075815A (zh) 2017-08-18
ES2727650T3 (es) 2019-10-17
DE102014114187B4 (de) 2018-06-21
ZA201701679B (en) 2018-04-25

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