EP1235723B1 - Gebinde mit einem schmelzklebstoff und abfüllen des klebstoffes - Google Patents

Gebinde mit einem schmelzklebstoff und abfüllen des klebstoffes Download PDF

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Publication number
EP1235723B1
EP1235723B1 EP00990656A EP00990656A EP1235723B1 EP 1235723 B1 EP1235723 B1 EP 1235723B1 EP 00990656 A EP00990656 A EP 00990656A EP 00990656 A EP00990656 A EP 00990656A EP 1235723 B1 EP1235723 B1 EP 1235723B1
Authority
EP
European Patent Office
Prior art keywords
container
moisture
proof
membrane
adhesive
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.)
Expired - Lifetime
Application number
EP00990656A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1235723A1 (de
Inventor
Paul Mrgan
Gerald Petry
Franz-Georg Henrichs
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP1235723A1 publication Critical patent/EP1235723A1/de
Application granted granted Critical
Publication of EP1235723B1 publication Critical patent/EP1235723B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B65D15/00Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials
    • B65D15/02Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums
    • B65D15/04Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made by winding or bending paper
    • B65D15/06Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made by winding or bending paper with end walls made of metal
    • 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
    • B65D51/00Closures not otherwise provided for
    • B65D51/18Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • 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
    • B65D79/00Kinds or details of packages, not otherwise provided for
    • B65D79/005Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting
    • B65D79/008Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting the deformable part being located in a rigid or semi-rigid container, e.g. in bottles or jars
    • B65D79/0081Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting the deformable part being located in a rigid or semi-rigid container, e.g. in bottles or jars in the bottom part thereof
    • 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
    • B65D79/00Kinds or details of packages, not otherwise provided for
    • B65D79/005Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting
    • B65D79/0087Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting the deformable part being located in a closure, e.g. in caps or lids
    • 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
    • B65D2205/00Venting means
    • 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
    • B65D2251/00Details relating to container closures
    • B65D2251/0003Two or more closures
    • B65D2251/0006Upper closure
    • B65D2251/0018Upper closure of the 43-type
    • 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
    • B65D2251/00Details relating to container closures
    • B65D2251/0003Two or more closures
    • B65D2251/0068Lower closure
    • B65D2251/0093Membrane

Definitions

  • the invention relates to a container containing a moisture-crosslinking Hot melt adhesive, which is enclosed in a moisture-tight can, which has a lid, a jacket made of composite material and a Floor.
  • the invention particularly relates to a container that has a reactive Hot melt adhesive, in particular a moisture-crosslinking polyurethane hot melt adhesive contains.
  • a reactive Hot melt adhesive in particular a moisture-crosslinking polyurethane hot melt adhesive contains.
  • Such adhesives are for particularly high quality Perfect binding suitable. They are characterized by very good ones Adhesion properties and excellent strength. You will at applied about 120 ° C and react with the air humidity after cooling or paper to high molecular weight, hardly meltable compounds. The high final strength is achieved through the chemical reaction more freely Isocyanate groups with surface moisture and with H-active chemical Groups of substrate surfaces. In addition, they are characterized by high Chemical resistance, e.g. B. against printing ink oil, as well as high Resistance to temperature and aging. They require special melting and Application equipment and a high processing effort.
  • the moisture-curing adhesives are melted by the user and usually through very fine nozzles on the substrate to be glued sprayed. Clogging of the nozzles due to moisture-cured ones Adhesive particles must be avoided at all costs as this leads to a standstill the plant would lead. Therefore, these adhesives must be manufactured by the manufacturer almost absolutely moisture-proof packaging is provided, which a long shelf life without ingress of moisture, e.g. B. humidity, allow from outside.
  • the bag consists of a with polyethylene laminated aluminum foil, whereby the aluminum is the tightness against Humidity guaranteed.
  • the user cuts the film with a knife and pulls the film off solid product.
  • There are undercuts and especially folds of considerable disadvantage in the film because in this case the film cannot be or only with great difficulty from the solid block of hot melt adhesive pull it off.
  • the foil bag cannot be completely emptied.
  • a container of the type mentioned above is from the European patent application EP 0 844 186 A1 known.
  • the box has a coat and a bottom on, which both consist of a composite material and an inner volume have from 0.5 to 5 liters and preferably from 1 to 3 liters.
  • Outside is one moisture-proof layer, e.g. B. made of aluminum or plastic.
  • the inner layer is made of a material that is not attached to the hot melt adhesive attached, e.g. B. from polymers based on silicone, PTFE or like.
  • the middle layer ensures the stability of the container and consists of Paper, cardboard or plastic.
  • a rigid lid closes the so formed Can.
  • a disadvantage here is the relatively complex filling process and in particular also the relatively long period from filling the hot melt adhesive to final sealing of the foil pouch. This period is essentially determined by the cooling time.
  • the invention is therefore based on the object of a container at the outset to develop the type mentioned, which allows the packaging immediately after finally close the filling of the hot and liquid hot melt adhesive, so that the entire filling time is significantly reduced.
  • the container should especially for hot melt adhesives with a significant thermal Volume contraction may be appropriate during cooling.
  • foil bag for the user to be able to see whether that Container is still sealed airtight and moisture-proof.
  • the bottom is designed as a moisture-proof flexible membrane is and preferably a bead is integrated in the lid.
  • the lid is removed from the can and the hot and liquid hot melt adhesive filled into the can.
  • the user can use a Look at the lid to see if the packaging is still moisture and is hermetically sealed. The bead is still in the inside facing position, the packaging is error-free. However, the can is damaged, the bead can bulge outwards again, causing the Error is displayed.
  • the behavior of the flexible membrane would not be surprising if it were hot filled mass remains a liquid even after cooling and thus the The flexibility of the membrane would be retained.
  • the flexible membrane in the bottom of the packaging is also suitable for solids Medium is the volume contraction when the melt cools off, as a rule to compensate far more than 100 ° C to room temperature (20 ° C). It was namely to fear that the melt when hitting the flexible membrane solidifies and solidifies at the bottom of the packaging, namely there first and to the greatest extent. This would represent the solidified "soil layer" of the cooled mass of deformation of the flexible membrane inside the Packaging itself in the way when the melt inside the packaging cools and thereby reduces their volume.
  • the membrane changes the inner volume of the can from 1:50 to 1: 500, in particular 1: 100 to 1: 300, based on the inner volume of the can.
  • the jacket is made to achieve stable packaging at only relatively low costs preferably made of cardboard or cardboard with at least one moisture-proof outside Inner layer.
  • the hot melt adhesive adheres to the inner layer in conveniently prevented if the moisture-proof inner layer an external Metal layer, especially an aluminum foil, which is the middle Location of the can jacket, and an inner plastic layer, in particular made of polyethylene or polypropylene. Choosing this Plastic layer depends on the requirement for the hot melt adhesive to adhere to prevent.
  • the jacket is preferably made of a coated cardboard web coiled and welded or glued tube formed.
  • a coated cardboard web coiled and welded or glued tube formed.
  • Such one so-called cardboard wrap can is known per se and allows a simple one Tear open along the adhesive or weld seam.
  • the cardboard wrap can at high filling temperatures of e.g. 100 to 200 ° C suitable adhesives are expedient, especially plasticizer-free high polymer Dispersion adhesives and 1- or 2-component polyurethane adhesives.
  • suitable adhesives are expedient, especially plasticizer-free high polymer Dispersion adhesives and 1- or 2-component polyurethane adhesives.
  • Filled without problems melting at 170 ° C in cardboard wrap cans if they are glued with Adhesin A 7093, an adhesive from Henkel were.
  • the tightness of the jacket against moisture coming in from the outside becomes guaranteed in a further embodiment with high security if the moisture-proof lining on the inside of the jacket over the edges the cardboard or cardboard web is pulled around and on the welding or adhesive edges the lining of the adjacent edges immediately and moisture-proof lie on one another.
  • Such a design of the jacket is for the moisture-proof packaging of foodstuffs and luxury foods, e.g. B. for soluble coffee powder, known from the prior art.
  • the lid be made of sheet metal, in particular tinplate. This generally makes the lid so stable that it does not deform when the hot melt adhesive cools down. Only the membrane attached to the underside deforms by arching inwards. All parts in contact with the product are coated with PE or PP.
  • the vent is required to to allow pressure equalization during the movement of the membrane.
  • the invention also relates to a method for filling a hot melt adhesive in a container of the type mentioned above according to the invention.
  • the can is generally more than 50 ° C, especially more than 100 ° C hot melt filled in the can, which is expedient at least on the bottom is cooled.
  • the can When the can is largely filled, in particular is full to the brim they are sealed airtight and moisture-proof with the lid. If necessary the not completely filled can with a gas volume of at most 10, in particular at most 5% by volume, based on the volume of the filled Melt, previously with a dry protective gas, especially with nitrogen rinsed.
  • the sealed can with the hot melt adhesive is then opened up Room temperature cooled further.
  • the protective gas must be inert to the reactive groups of the reactive Be hot melt adhesive.
  • the main reactive groups are epoxy, Siloxane and especially isocyanate groups in question. You are at one thermoplastic polymer, especially chemically bound to polyurethane and bring about its networking with reactive substances, especially with Water in liquid or gaseous form. Reactive epoxy and Called polyurethane hot melt adhesives.
  • the hot melt adhesives can also be used for sealing, coating, filling and suitable for the production of molds.
  • FIG. 1 consists of essentially from a wound, internally coated cardboard jacket 1, a upper, tightly closing and stable lid with bead 2 made of tinplate and a membrane 3 glued or welded in at the bottom made of aluminum foil All parts in contact with the product are coated with PE or PP.
  • the coating of the cardboard web 4 is shown in Figure 2.
  • the one from an inner Aluminum foil and an outer plastic film existing moisture-proof Lining 5 is drawn around the edge 6 of the cardboard web 4, the Lining 5 is inside the finished can and the edge 5 'on the corresponding one Lining of the adjacent winding layer lies directly around to get a moisture-proof can jacket 1. Only partially in Figure 2 visible side 7 of the cardboard web 4 is outside of the finished can and is made of cardboard.
  • the moisture-crosslinking hot melt adhesive 8 After the moisture-crosslinking hot melt adhesive 8 is poured into the can has been closed with the lid 2 airtight and moisture-tight, without waiting for the hot melt adhesive 8 to cool down.
  • the hot melt adhesive 8 expresses the membrane 3 due to its weight to the outside, as from Figure 3 emerges.
  • the membrane 3 is on with its edge attached the inner lower edge of the jacket 1, in particular welded or glued.
  • the membrane 3 can advantageously be one with plastic act coated aluminum foil, with the plastic layer inside and the removal of the hot melt adhesive 8 enables the user.
  • One advantage of the container according to the invention is that the filling can take place particularly quickly and also automatically, in contrast to the prior art. If the bead in the lid 2 (FIG. 4) points inwards, the user sees that the can is undamaged and that no moisture has penetrated into the hot melt adhesive. Undercuts or folds as in the known foil pouch do not occur with this container. If desired, the space 11 located above the hot melt adhesive 8, which in a typical 2 kg can has a height of approximately 2 cm, can be protected with a protective gas, e.g. B. filled with nitrogen. The packaging is particularly easy to remove due to the way the jacket is wrapped.
  • a protective gas e.g. B. filled with nitrogen.
  • the cover 2 is first cut off from the jacket 1 and then the jacket 1 is peeled off from the adhesive block together with the membrane 3
  • the block of adhesive is preferably cylindrical. It is therefore able to roll down an incline.
  • the 2 kg containers according to the invention are particularly suitable in the wood, shoe and automotive industries and for book production. It is typical of this that the reactive hot melt adhesive is used continuously in large quantities in order to securely and securely bond paper, cardboard, wood, metals, glass and plastic, in particular elastomers, to one another.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Closures For Containers (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Sealing Material Composition (AREA)
EP00990656A 1999-12-10 2000-12-06 Gebinde mit einem schmelzklebstoff und abfüllen des klebstoffes Expired - Lifetime EP1235723B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19959840 1999-12-10
DE19959840 1999-12-10
PCT/EP2000/012264 WO2001042105A2 (de) 1999-12-10 2000-12-06 Gebinde mit einem schmelzklebstoff und abfüllen des klebstoffes

Publications (2)

Publication Number Publication Date
EP1235723A1 EP1235723A1 (de) 2002-09-04
EP1235723B1 true EP1235723B1 (de) 2004-06-30

Family

ID=7932330

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00990656A Expired - Lifetime EP1235723B1 (de) 1999-12-10 2000-12-06 Gebinde mit einem schmelzklebstoff und abfüllen des klebstoffes

Country Status (11)

Country Link
US (1) US20020190109A1 (ja)
EP (1) EP1235723B1 (ja)
JP (1) JP2003516286A (ja)
CN (1) CN1407940A (ja)
AT (1) ATE270238T1 (ja)
AU (1) AU3006601A (ja)
BR (1) BR0016202A (ja)
CA (1) CA2393800A1 (ja)
DE (2) DE10060535A1 (ja)
PL (1) PL355492A1 (ja)
WO (1) WO2001042105A2 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004018720U1 (de) * 2004-12-03 2005-03-03 Klebchemie M.G. Becker Gmbh & Co. Kg Verpackungshülse
US7828197B2 (en) * 2006-01-13 2010-11-09 Sonoco Development, Inc. Composite containers and methods for sealing the same
DE102006038313A1 (de) * 2006-08-15 2008-02-21 Klebchemie M.G. Becker Gmbh & Co. Kg Behälter für ein heiß-flüssiges, bei Raumtemperatur festes Polymer
CN103136868A (zh) * 2013-03-19 2013-06-05 广西十方科技有限公司 智能防水充电桩
CN103208834A (zh) * 2013-03-19 2013-07-17 广西十方科技有限公司 智能防水防断电充电桩
US10583958B2 (en) * 2015-03-04 2020-03-10 Compagnie Generale De Conserve Container for preserved food with a flexible bottom, and corresponding production method
DE102020205545A1 (de) 2020-04-30 2021-11-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein Verfahren zum Herstellen einer Materialpatrone, Behälter zur Anwendung in einem entsprechenden Verfahren, Materialpatrone sowie Verfahren zum Herstellen eines Gussproduktes unter Verwendung der Materialpatrone, sowie entsprechendes Gussprodukt

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0661221A1 (en) * 1993-12-30 1995-07-05 National Starch and Chemical Investment Holding Corporation Liner packaging for reactive hot melt adhesive

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360159A (en) * 1962-06-11 1967-12-26 Philip Harper Allen Filled can with head space
US3736899A (en) * 1971-10-28 1973-06-05 Minnesota Mining & Mfg Pressure change indicator
US4459793A (en) * 1980-04-28 1984-07-17 National Can Corporation Composite container construction
US4458469A (en) * 1983-04-25 1984-07-10 Sonoco Products Company Container with vacuum accommodating end
FR2585677B1 (fr) * 1985-08-01 1987-12-18 Morin Raymond Sa Opercule compose de deux films partiellement desolidarises, pour fermeture etanche de recipients, et procedes d'assemblage d'un tel opercule
WO1996019122A1 (fr) * 1994-12-19 1996-06-27 Eurepak Sarl Recipient presentant une ouverture munie d'un element de fermeture hermetique pour le conditionnement d'un produit destine a etre soumis a un traitement de conservation sous haute pression
FR2756258B1 (fr) * 1996-11-22 1998-12-24 Ato Findley Sa Emballage d'adhesifs thermofusibles reactifs

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0661221A1 (en) * 1993-12-30 1995-07-05 National Starch and Chemical Investment Holding Corporation Liner packaging for reactive hot melt adhesive

Also Published As

Publication number Publication date
ATE270238T1 (de) 2004-07-15
WO2001042105A3 (de) 2001-12-06
JP2003516286A (ja) 2003-05-13
CA2393800A1 (en) 2001-06-14
AU3006601A (en) 2001-06-18
DE10060535A1 (de) 2001-06-13
PL355492A1 (en) 2004-05-04
EP1235723A1 (de) 2002-09-04
WO2001042105A2 (de) 2001-06-14
BR0016202A (pt) 2002-08-13
US20020190109A1 (en) 2002-12-19
CN1407940A (zh) 2003-04-02
DE50006981D1 (de) 2004-08-05

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