WO1991017039A1 - Dispositif pour la fabrication d'un joint de colle appliquee a chaud entre un carton et une feuille transparente - Google Patents

Dispositif pour la fabrication d'un joint de colle appliquee a chaud entre un carton et une feuille transparente Download PDF

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Publication number
WO1991017039A1
WO1991017039A1 PCT/CH1991/000073 CH9100073W WO9117039A1 WO 1991017039 A1 WO1991017039 A1 WO 1991017039A1 CH 9100073 W CH9100073 W CH 9100073W WO 9117039 A1 WO9117039 A1 WO 9117039A1
Authority
WO
WIPO (PCT)
Prior art keywords
press
cardboard
transparent film
web
hot
Prior art date
Application number
PCT/CH1991/000073
Other languages
German (de)
English (en)
Inventor
Bernd Loibl
Original Assignee
Ibico 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 Ibico Ag filed Critical Ibico Ag
Publication of WO1991017039A1 publication Critical patent/WO1991017039A1/fr

Links

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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • 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
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/40—Applying molten plastics, e.g. hot melt
    • 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
    • B29C66/003—Protecting areas of the parts to be joined from overheating
    • 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
    • B29C66/1122—Single lap to lap joints, i.e. overlap 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
    • B29C66/40—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
    • 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
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/748—Joining plastics material to non-plastics material to natural products or their composites, not provided for in groups B29C66/742 - B29C66/746
    • B29C66/7486—Paper, e.g. 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
    • 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
    • B29C66/71—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 composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
    • B29K2711/12—Paper, e.g. cardboard
    • B29K2711/126—Impregnated

Definitions

  • the present invention relates to a device for producing a hotmelt seam between a carton and a transparent film according to the preamble of claim 1.
  • Devices which have a nozzle head for attaching an adhesive strip to an edge of a cardboard, onto which an edge of a transparent film is subsequently pressed, in order thereby to provide an adhesive connection, also called a hot-melt seam, between the cardboard and the transparent film , especially for the production of pencil cases.
  • the adhesive strip is a so-called "hot glue” or PS glue that works at approx. 150 to 170 degrees Celsius. With such devices, it is important not to damage the transparent film, since it can withstand temperatures up to only 90 degrees Celsius. For this reason, the adhesive strip according to the prior art is regularly placed on the cardboard, which can withstand much higher temperatures.
  • Fig. 1 is a schematic representation of an inventive device
  • Fig. 2 is a schematic representation of the hot glue seam between a transparent film and a box.
  • the device according to FIG. 1 has a supply roll VRT and VRK for the transparent film T (FIG. 2) or for the cardboard K.
  • the axes of the supply rolls VRT and VRK which can be held by a common carrier TR, are shown running in parallel in FIG. 1.
  • the device is provided with a mechanism for causing the transparent film web Tf to run a small distance above the cardboard web Kb from a certain point.
  • the transparent film web Tf is guided with the aid of rollers R1, R2, R3 and R4 in such a way that it actually runs only a small distance above the cardboard web Kb from the roller R4.
  • the cardboard web Kb preferably first passes over a creasing station VS, which in the case of FIG. 1 is schematically indicated, for example, by three creasing roller pairs which are used to produce grooves RL1 and RL2 (FIG. 2), which subsequently fold the carton edge lighten.
  • a creasing station VS which in the case of FIG. 1 is schematically indicated, for example, by three creasing roller pairs which are used to produce grooves RL1 and RL2 (FIG. 2), which subsequently fold the carton edge lighten.
  • Such creasing stations are known per se and are therefore not described in detail.
  • rollers R3 and R4 The distance between the rollers R3 and R4 is relatively small and the speed of the film webs chosen to be relatively high, so that the transparent film T is not damaged by the high temperature of the hot glue or PS glue, which in the range of adhesives currently available on the market is about 150 to 170 degrees Celsius, these temperature limits are not very relevant for the purpose of the invention.
  • a roller press RP is also provided relatively close to the roller R4 in order to avoid damage to the transparent film T by quickly pressing the two webs together.
  • the device according to FIG. 1 also preferably comprises a mechanism WM arranged after the roller press RP, which mechanism is provided in order to insert a further hotmelt strip HS into the area between the two parallel grooves RL1 and RL2 and optionally also around these grooves (FIG. 2) apply, also a cutting mechanism SM to subsequently cut the web already provided with a sealing seam in the desired lengths, and a mechanism FM for folding the already folded pencil case, while the hot glue seam KB, also called adhesive strip, is still warm.
  • the mechanisms WM and SM can be integrated in one and the same unit.
  • the transparent film T for example a so-called PVC film or an acetate film or a film made of polypropylene, len or made of polyester, can withstand the high temperatures mentioned much better than expected and that the sealing between the transparent film T and the cardboard Kb is much more solid than with the pencil cases which are produced with the aid of other known devices.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Making Paper Articles (AREA)

Abstract

Le présent dispositif sert à la fabrication d'un joint de colle appliquée à chaud entre un carton et une feuille transparente à l'aide d'une buse utilisée pour l'application d'une colle liquide chaude sur l'endroit à coller. La buse (DK) est placée relativement près d'une presse à rouleaux (RP), à l'aide de laquelle les bords de la bande de carton (Kb) et de la bande de feuille transparente (Tf) se recouvrant sont pressés les uns contres les autres. La buse (DK) est disposée de telle sorte que la colle liquide chaude est appliquée directement sur la feuille transparente, les bandes de carton et de feuille se déplaçant à une vitesse relativement élevée, afin d'éviter un endommagement de la feuille transparente par une température trop élevée de la colle liquide.
PCT/CH1991/000073 1990-05-04 1991-03-26 Dispositif pour la fabrication d'un joint de colle appliquee a chaud entre un carton et une feuille transparente WO1991017039A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1520/90A CH680437A5 (fr) 1990-05-04 1990-05-04
CH1520/90-5 1990-05-04

Publications (1)

Publication Number Publication Date
WO1991017039A1 true WO1991017039A1 (fr) 1991-11-14

Family

ID=4212365

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH1991/000073 WO1991017039A1 (fr) 1990-05-04 1991-03-26 Dispositif pour la fabrication d'un joint de colle appliquee a chaud entre un carton et une feuille transparente

Country Status (2)

Country Link
CH (1) CH680437A5 (fr)
WO (1) WO1991017039A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6546979B2 (en) 2001-03-30 2003-04-15 Metso Paper, Inc. Method for controlling a drum debarker

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3008862A (en) * 1956-06-29 1961-11-14 Union Carbide Corp Extruded bead sealing
US4179325A (en) * 1975-03-17 1979-12-18 General Binding Corporation Apparatus for manufacturing adhesive covers
EP0084828A1 (fr) * 1982-01-20 1983-08-03 Tetra Laval Holdings & Finance SA Joint longitudinal extrudé
EP0140197A2 (fr) * 1983-10-29 1985-05-08 Peter Lázár Reliure pour feuilles de papier
EP0255014A2 (fr) * 1986-07-21 1988-02-03 SLT LINING TECHNOLOGY GmbH Procédé de soudage en continu par recouvrement de grandes feuilles ou de grandes plaques en matière plastique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3008862A (en) * 1956-06-29 1961-11-14 Union Carbide Corp Extruded bead sealing
US4179325A (en) * 1975-03-17 1979-12-18 General Binding Corporation Apparatus for manufacturing adhesive covers
EP0084828A1 (fr) * 1982-01-20 1983-08-03 Tetra Laval Holdings & Finance SA Joint longitudinal extrudé
EP0140197A2 (fr) * 1983-10-29 1985-05-08 Peter Lázár Reliure pour feuilles de papier
EP0255014A2 (fr) * 1986-07-21 1988-02-03 SLT LINING TECHNOLOGY GmbH Procédé de soudage en continu par recouvrement de grandes feuilles ou de grandes plaques en matière plastique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6546979B2 (en) 2001-03-30 2003-04-15 Metso Paper, Inc. Method for controlling a drum debarker

Also Published As

Publication number Publication date
CH680437A5 (fr) 1992-08-31

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