WO2000026011A1 - Lamination - Google Patents

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Publication number
WO2000026011A1
WO2000026011A1 PCT/EP1999/007702 EP9907702W WO0026011A1 WO 2000026011 A1 WO2000026011 A1 WO 2000026011A1 EP 9907702 W EP9907702 W EP 9907702W WO 0026011 A1 WO0026011 A1 WO 0026011A1
Authority
WO
WIPO (PCT)
Prior art keywords
radiation
heating
bodies
interface
temperature
Prior art date
Application number
PCT/EP1999/007702
Other languages
German (de)
French (fr)
Inventor
Kai K. O. BÄR
Rainer Gaus
Original Assignee
Advanced Photonics Technologies 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 Advanced Photonics Technologies Ag filed Critical Advanced Photonics Technologies Ag
Priority to EP99953811A priority Critical patent/EP1124676A1/en
Priority to JP2000579427A priority patent/JP2002528308A/en
Priority to AU10369/00A priority patent/AU1036900A/en
Publication of WO2000026011A1 publication Critical patent/WO2000026011A1/en

Links

Classifications

    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
    • B29C65/1464—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface making use of several radiators
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1403—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
    • B29C65/1412—Infrared [IR] radiation
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1403—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
    • B29C65/1412—Infrared [IR] radiation
    • B29C65/1416—Near-infrared radiation [NIR]
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
    • B29C65/1432—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface direct heating of the surfaces to be joined
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
    • B29C65/1464—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface making use of several radiators
    • B29C65/1467—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface making use of several radiators at the same time, i.e. simultaneous welding
    • 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
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
    • B29C65/7888—Means for handling of moving sheets or webs
    • B29C65/7894—Means for handling of moving sheets or webs of continuously moving sheets or webs
    • 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
    • B29C66/45—Joining of substantially the whole surface of the 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
    • B29C66/40—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
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/472—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially flat
    • B29C66/4722—Fixing strips to surfaces other than edge faces
    • 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
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5326—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially flat
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91211—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods
    • B29C66/91216—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods enabling contactless temperature measurements, e.g. using a pyrometer
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91221—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature of the parts to be joined
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
    • B29C66/91641—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux the heat or the thermal flux being non-constant over time
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/93—Measuring or controlling the joining process by measuring or controlling the speed
    • B29C66/934—Measuring or controlling the joining process by measuring or controlling the speed by controlling or regulating the speed
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/961—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving a feedback loop mechanism, e.g. comparison with a desired value
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation
    • 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
    • B29C66/727—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 porous, e.g. foam
    • 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
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91411—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91431—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being kept constant over time
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/94—Measuring or controlling the joining process by measuring or controlling the time

Definitions

  • the invention relates to a method and a device for connecting a first body to a second body, in particular for laminating an adhesive tape onto an elastic profile body.
  • the bodies are joined together along a common interface by heating at least one of the bodies in an interface area extending along the interface and then bringing the bodies together so that a tensile connection is established due to the heating of the interface area.
  • At least one of the two bodies has a non-heating and / or heat-sensitive material area on a side facing away from the interface, in particular a pressure-sensitive adhesive layer.
  • the invention further relates to the use of an agent for heating the body or bodies.
  • fittings are used today which are composed of a plurality of individual pieces or bodies.
  • profiles made of extruded and / or foamed materials are used as seals, bumpers or the like.
  • the profiles are provided with adhesive tape, for example.
  • the adhesive tape has a removable protective film, after removal of which a layer of pressure-sensitive adhesive is exposed.
  • the profile is attached at the desired location or in the desired area by pressing on the pressure-sensitive adhesive layer.
  • the elongated profiles are usually available in a spirally wound arrangement and are already provided with the adhesive tape by the manufacturer.
  • the adhesive tape for example, has a hot-melt adhesive on the side opposite the pressure-sensitive adhesive, which is heated before the adhesive tape is connected to the profile body.
  • Interface area is heated and then the bodies are brought together, so that a tensile connection is established due to the heating of the interface area.
  • the heating can serve, for example, to bring the material in the interface area into a liquid, flowable or pasty state in which it can combine with the material of the other body. Often both bodies are heated in their interface areas in order to obtain a tensile connection.
  • the present invention is based on the object of specifying a method and a device of the type mentioned at the outset, the heating of the interface area or the interface areas should be controllable as well as possible.
  • Another object of the invention is to provide a means which can be used for heating and which allows the heating to be controlled as well as possible.
  • the at least one body to be heated in the interface area is heated by irradiation with electromagnetic radiation, at least essential radiation components causing the heating being in the near infrared wavelength range (NIR radiation).
  • NIR radiation is understood to mean radiation whose wavelengths are in the range between the visible wavelength range and 1.4 ⁇ m.
  • NIR radiation has the advantage that it is absorbed by many materials with a high degree of absorption. Furthermore, NIR radiation can be controlled well, both temporally and spatially.
  • the irradiation with NIR radiation can be started or stopped within fractions of a second, for example by using diaphragms or by switching a radiation source on or off.
  • NIR radiation also differs significantly in terms of its wavelength from the temperature radiation emitted by bodies that are at room temperature. This also ensures good controllability.
  • the NIR radiation is preferably emitted by a temperature radiation source which has an emission temperature of 2500 K or higher, in particular of 2900 K or higher.
  • the maximum of the emitted radiation flux density is in the near infrared.
  • the emitted radiation generally has further radiation components outside the near infrared, which only make a small contribution to the total radiation power.
  • the use of a temperature radiator that is operated at such high temperatures has the advantage that, compared to temperature radiators that are operated at lower temperatures and therefore emit essentially longer-wave electromagnetic radiation, the emitted radiation flux density is greater.
  • the emitting surface can therefore be reduced with the same radiation power.
  • the volume of the temperature radiator and thus its heat capacity is also lower. For example, if one of electrical used current flowable resistance wire as a temperature radiator, such as a tungsten filament, can be changed by controlling the electrical current with low inertia, the emitted radiation power.
  • the surface temperature of the interface area which is heated is set to a predetermined value by controlling the radiation flux density of the radiation impinging on the interface area and / or by controlling the radiation duration. Due to the good controllability of NIR radiation, the process can be carried out with reproducible results and preferably in the shortest possible time. In particular, if the radiation flux density of the incident radiation is correspondingly high, fractions of a second are sufficient for heating. On the one hand, short cycle times or short throughput times can be achieved, and on the other hand, the interface area affected by the heating can be kept small.
  • Warming of the body is preferably prevented, so that the material area not to be heated or the heat-sensitive material area on a side of the body facing away from the interface is at most slightly warmed.
  • the material of the body at the interface is preferably selected or prepared in such a way that its degree of absorption in the near infrared value is greater than 0.4, in particular greater than 0.6.
  • reflected radiation portions of the electromagnetic radiation which are not absorbed by the body are preferably reflected back in the direction of the body.
  • the first and the second body are elongated and are continuously conveyed to a contact point at which the bodies are brought together and thereby connected to one another.
  • the heating takes place in the conveying direction in front of the contact point at a heating point or for Body different places of heating.
  • a conveying device for this purpose is provided for separately feeding and conveying the bodies to the contact location and for continuously conveying the connected bodies away from the contact location.
  • the temperature of the at least one interface area to be heated is regulated.
  • the surface temperature of the interface area at and / or in the conveying direction behind the heating point is measured without contact, for example using one or more pyrometers. Measurement signals from the pyrometer can then be fed to a control device by means of which the temperature of the interface area can be controlled by controlling the radiation flux density impinging on the body at the heating point.
  • at least two of the radiation sources are provided in order to irradiate one of the bodies at the respective heating location.
  • at least two of the control devices are present, or there is preferably a common control device for a plurality of the radiation sources, common for both bodies.
  • the temperature of the material region of the one body that is not to be heated or is heat-sensitive is preferably kept below a critical limit value by adjusting the radiation flux density of the incident infrared radiation and / or by adjusting the irradiation time or the conveying speed.
  • the temperature in particular the surface temperature of the material area, can be measured randomly, repeatedly or continuously. In a further embodiment, this measurement signal is also fed to the control device.
  • An infrared radiation source is proposed as a means for use in the radiation heating of the body or the body, the infrared radiation source having a temperature radiator which can be operated at emission temperatures of 2500 K or higher, in particular 2900 K or higher.
  • the infrared radiation source is preferably a halogen lamp which, in a special, particularly preferred embodiment, has a tube emitter with a filament extending in a radiation-permeable tube, in particular in a quartz glass tube. It is further preferred that the infrared radiation source is combined with a reflector for reflecting emitted radiation in the direction of the body to be heated.
  • FIG. 1 shows an embodiment of the device according to the invention for the continuous connection of two elongated bodies
  • Fig. 2 shows a cross section through the body connected using the device shown in Fig. 1 and
  • Fig. 3 shows a cross section through one of the infrared radiation sources of the device shown in Fig. 1.
  • Fig. 1 shows a preferred embodiment for the device according to the invention.
  • the device serves to laminate an elongated adhesive tape 2 onto an also elongated elastic profile body, which is designed as a rubber profile 1.
  • the rubber profile 1 is deflected in a horizontal direction on a deflecting roller 9 and is conveyed to a contact location which is defined by a pair of contact rollers with two contact rollers 8.
  • the adhesive tape 2 is deflected via a further deflection roller 9 and is conveyed to the contact location.
  • the distance between the contact rollers 8, which are in particular driven rollers, is set so that the adhesive tape 2 and the rubber profile 1 come into contact with one another on one flat side and are pressed against one another.
  • the surface of the rubber profile 1 is irradiated with electromagnetic radiation on the upper side thereof and heats up due to the absorption of part of the radiation.
  • the degree of absorption of the rubber profile 1 on its upper side is approximately 0.7 for near infrared radiation (NIR radiation). The majority of the incident electromagnetic radiation is therefore directly absorbed.
  • the heating of the interface area on the upper side of the rubber profile 1 serves to ensure a permanent tensile connection with the adhesive tape 2.
  • the setpoint deviation controls the first infrared radiation source 3 by adjusting the strength of an electric current that results in the radiation emission in the first infrared radiation source 3.
  • the infrared radiation source 3 has two tube radiators 20, each of which has a tungsten thread 22 which extends approximately in the center line of an elongated quartz glass tube 21.
  • the tube radiators 20 are arranged in recesses in a reflector body 23, the recesses likewise being elongated, corresponding to the tube radiators 20, and each having a parabolic cross-sectional profile. Instead of a parabolic cross-sectional profile, other cross-sectional profiles can also be used, for example trapezoidal.
  • the surfaces of the recesses and the surfaces extending in the horizontal direction on the underside of the reflector body 23 are designed as reflector surfaces 24 for reflecting NIR radiation.
  • the temperature of the tungsten filaments 22 and thus the spectral position of the maximum radiation flux density and the total radiation power of the emitted radiation are set.
  • the tungsten threads 22 have a low thermal inertia because their mass and thus also their heat capacity is low.
  • the full radiation output can be achieved within a fraction of a second by switching on the electrical current and, conversely, the emission of radiation can be stopped by switching off the electrical current.
  • Suitable, known electronic control devices quickly achieve a constant temperature value of the tungsten filaments 22 when the current is switched on.
  • the reflector body 23 In order to avoid heating the reflector body 23, it can preferably be actively cooled, that is to say, for example, liquid-cooled.
  • the reflector surface 24 heats up at most slightly and does not contribute significantly to a dead time for the regulation of the radiation flux density.
  • controllable diaphragms or other optical devices can be provided and / or a distance control which allows the distance of the infrared radiation source 3 from the surface to be irradiated to be set.
  • a distance control can be combined with a current control, the distance control advantageously serving to set the radiation flux density range within which a fast, low-inertia current control can take place.
  • FIG. 1 also shows a second infrared radiation source 4, which serves to heat the underside (in relation to the finished laminate in the conveying direction behind the contact rolls 8) of the adhesive tape 2.
  • a second pyrometer 6 is provided to regulate the surface temperature of the adhesive tape 2.
  • the second infrared radiation source 4 and the second pyrometer 6 are analogous to the first infrared red radiation source 3 and the first pyrometer 5 connected to the control device 7. The regulation takes place in particular in the same way.
  • the top layer of the laminate forms a release film 14 which protects a layer of pressure-sensitive adhesive 13 of the adhesive tape 2.
  • Underneath is a carrier of the adhesive tape 2, which has a supporting function.
  • a further layer of adhesive is provided below the carrier 12, which, however, in contrast to the layer of pressure sensitive adhesive 13, consists of hot glue 11.
  • the hot-melt adhesive 11 is already on the underside of the adhesive tape 2 before it is connected to the rubber profile 1.
  • the heating of the rubber profile 1 allows the hot adhesive 11 to be introduced easily into the smallest surface cavities of the rubber profile 1 and, depending on the choice of materials, may cause a chemical connection with the rubber profile or other bodies used instead of the rubber profile.
  • FIG. 2 areas delimited by hatching and in a schematic manner by broken lines, a first interface area 15 in the rubber profile 1 and a second interface area 16 in the adhesive tape 2.
  • the interface regions 15, 16 are the material regions which are heated by the separate radiation before the two bodies are brought together.
  • An important role here is played by a high radiation flux density of the incident radiation which causes the heating, a suitable coordination of the conveying speed and the radiation power and or regulation of the incident radiation power, and the use of electromagnetic radiation in the near infrared itself. The latter only enables the heating process to be easily controlled and permits high conveying speeds, while nevertheless ensuring reproducible process control.
  • the shape of the rubber profile 1 shown in FIG. 2 is only an example.
  • the two downward-facing lips are used, for example, to elastically seal a closed window against the window frame.
  • the profile can also be made of any other material, such as foam.
  • first infrared radiation source 4 second infrared radiation source

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Resistance Heating (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Control Of Resistance Heating (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The invention relates to a method for joining two bodies along a common interface. At least one of said bodies (1, 2) is heated in an interfacial area which extends along the interface and the bodies (1, 2) are then assembled in such a way that the heat causes a tenacious joint to form. At least one of the bodies (2) has an area of material that is not to be heated, especially a contact adhesive layer, on the side facing away from the interface. According to the invention, the interfacial area is heated by irradiation with electromagnetic radiation. At least considerable fractions of the radiation effecting the heating process lie in the near infrared wavelength range (visible wavelength range to 1.4 νm wavelength).

Description

Laminierung lamination
Beschreibungdescription
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Verbinden eines ersten Körpers mit einem zweiten Körper, insbe- sondere zum Auflaminieren eines Klebebandes auf einen elastischen Profilkörper. Die Körper werden entlang einer gemeinsamen Grenzfläche miteinander verbunden, indem zumindest einer der Körper in einem sich entlang der Grenzfläche erstreckenden Grenzflächenbereich erwärmt wird und anschließend die Körper zusammengebracht werden, so daß sich aufgrund der Erwärmung des Grenzflächenbereichs eine zugfeste Verbindung einstellt. Zumindest einer der beiden Körper weist an einer von der Grenzfläche abgewandten Seite einen nicht zu erwärmenden und/oder wärmeempfindlichen Materialbereich auf, insbesondere eine Haftkleb- stoffSchicht. Die Erfindung betrifft weiterhin die Verwendung eines Mittels zum Erwärmen des bzw. der Körper.The invention relates to a method and a device for connecting a first body to a second body, in particular for laminating an adhesive tape onto an elastic profile body. The bodies are joined together along a common interface by heating at least one of the bodies in an interface area extending along the interface and then bringing the bodies together so that a tensile connection is established due to the heating of the interface area. At least one of the two bodies has a non-heating and / or heat-sensitive material area on a side facing away from the interface, in particular a pressure-sensitive adhesive layer. The invention further relates to the use of an agent for heating the body or bodies.
Für eine Vielzahl von technischen Anwendungen werden heutzutage Formstücke verwendet, die aus einer Mehrzahl von einzelnen Stücken bzw. Körpern zusammengesetzt sind. Beispielsweise werden Profile aus extrudierten und/oder geschäumten Materialien als Dichtungen, Stoßfänger oder dergleichen verwendet. Um die Profile an einem Trägerkörper, etwa einem Türrahmen, befestigen zu können, werden die Profile beispielsweise mit Klebeband ver- sehen. Das Klebeband weist eine abziehbare Schutzfolie auf, nach deren Abziehen eine Schicht aus Haftklebstoff freiliegt. Durch Anpressen der Haftklebstoffschicht wird das Profil an der gewünschten Stelle bzw. in dem gewünschten Bereich befestigt.For a large number of technical applications, fittings are used today which are composed of a plurality of individual pieces or bodies. For example, profiles made of extruded and / or foamed materials are used as seals, bumpers or the like. In order to be able to attach the profiles to a carrier body, for example a door frame, the profiles are provided with adhesive tape, for example. The adhesive tape has a removable protective film, after removal of which a layer of pressure-sensitive adhesive is exposed. The profile is attached at the desired location or in the desired area by pressing on the pressure-sensitive adhesive layer.
Die langgestreckten Profile sind meist in spiralförmig ge- wickelter Anordnung erhältlich und werden bereits beim Hersteller mit dem Klebeband versehen. Um eine dauerhafte und zugfeste Verbindung zwischen dem Klebeband und dem Profil herzustellen, weist beispielsweise das Klebeband an der dem Haftklebstoff gegenüberliegenden Seite einen Heißklebstoff auf, der erwärmt wird, bevor das Klebeband mit dem Profilkörper verbunden wird.The elongated profiles are usually available in a spirally wound arrangement and are already provided with the adhesive tape by the manufacturer. In order to produce a permanent and tensile connection between the adhesive tape and the profile, the adhesive tape, for example, has a hot-melt adhesive on the side opposite the pressure-sensitive adhesive, which is heated before the adhesive tape is connected to the profile body.
Außer der vorstehend beispielhaft beschriebenen Anwendung gibt es zahlreiche weitere Anwendungen, bei denen zwei Körper dadurch miteinander verbunden werden, daß zumindest einer der Körper in einem sich entlang der Grenzfläche erstreckendenIn addition to the application described above by way of example, there are numerous other applications in which two bodies are connected to one another in that at least one of the bodies extends in one along the interface
Grenzflächenbereich erwärmt wird und anschließend die Körper zusammengebracht werden, so daß sich aufgrund der Erwärmung des Grenzflächenbereichs eine zugfeste Verbindung einstellt. Außer zur Aktivierung eines Klebstoffes kann die Erwärmung beispiels- weise dazu dienen, das Material in dem Grenzflächenbereich in einen flüssigen, fließfähigen oder pastösen Zustand zu bringen, in dem es sich mit dem Material des anderen Körpers verbinden kann. Häufig werden auch beide Körper in ihren Grenzflächenbereichen erwärmt, um eine zugfeste Verbindung zu erhalten.Interface area is heated and then the bodies are brought together, so that a tensile connection is established due to the heating of the interface area. In addition to activating an adhesive, the heating can serve, for example, to bring the material in the interface area into a liquid, flowable or pasty state in which it can combine with the material of the other body. Often both bodies are heated in their interface areas in order to obtain a tensile connection.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung der eingangs genannten Art anzugeben, wobei die Erwärmung des Grenzflächenbereichs bzw. der Grenzflächenbereiche möglichst gut steuerbar sein soll. Eine weitere Aufgabe der Erfindung ist es, ein Mittel anzugeben, das bei der Erwärmung Verwendung finden kann und das eine möglichst gute Steuerung der Erwärmung erlaubt.The present invention is based on the object of specifying a method and a device of the type mentioned at the outset, the heating of the interface area or the interface areas should be controllable as well as possible. Another object of the invention is to provide a means which can be used for heating and which allows the heating to be controlled as well as possible.
Die Aufgabe wird durch ein Verfahren mit den Merkmalen des An- Spruches 1, durch eine Vorrichtung mit den Merkmalen des Anspruches 11 und durch eine Verwendung mit den Merkmalen des Anspruches 14 gelöst. Weiterbildungen sind Gegenstand der jeweils abhängigen Ansprüche. Gemäß einem Kerngedanken der vorliegenden Erfindung wird der zumindest eine in dem Grenzflächenbereich zu erwärmende Körper durch Bestrahlung mit elektromagnetischer Strahlung erwärmt, wobei zumindest wesentliche, die Erwärmung bewirkende Strahlungsanteile im Wellenlängenbereich des nahen Infrarot liegen (NIR-Strahlung) . Unter NIR-Strahlung wird Strahlung verstanden, deren Wellenlängen im Bereich zwischen dem sichtbaren Wellenlängenbereich und 1,4 μm liegen. NIR-Strahlung hat den Vorteil, daß sie von vielen Materialien mit hohem Absorptionsgrad absorbiert wird. Weiterhin ist NIR-Strahlung gut steuerbar, sowohl zeitlich als auch räumlich. Beispielsweise kann die Bestrahlung mit NIR-Strahlung innerhalb von Sekundenbruchteilen, etwa durch Einsatz von Blenden oder durch Ein- bzw. Ausschalten einer Strahlungsquelle begonnen oder abgebrochen werden. NIR-Strahlung unterscheidet sich weiterhin deutlich hinsichtlich ihrer Wellenlänge von der Temperaturstrahlung, die von Körpern ausgeht, welche Raumtemperatur haben. Auch dies gewährleistet eine gute Steuerbarkeit.The object is achieved by a method with the features of claim 1, by a device with the features of claim 11 and by use with the features of claim 14. Further developments are the subject of the respective dependent claims. According to a core concept of the present invention, the at least one body to be heated in the interface area is heated by irradiation with electromagnetic radiation, at least essential radiation components causing the heating being in the near infrared wavelength range (NIR radiation). NIR radiation is understood to mean radiation whose wavelengths are in the range between the visible wavelength range and 1.4 μm. NIR radiation has the advantage that it is absorbed by many materials with a high degree of absorption. Furthermore, NIR radiation can be controlled well, both temporally and spatially. For example, the irradiation with NIR radiation can be started or stopped within fractions of a second, for example by using diaphragms or by switching a radiation source on or off. NIR radiation also differs significantly in terms of its wavelength from the temperature radiation emitted by bodies that are at room temperature. This also ensures good controllability.
Vorzugsweise wird die NIR-Strahlung durch eine Temperatur- Strahlungsquelle emittiert, die eine Emissionstemperatur von 2500 K oder höher hat, insbesondere von 2900 K oder höher. In diesem Fall liegt das Maximum der emittierten Strahlungsfluß- dichte im nahen Infrarot. Die emittierte Strahlung weist im allgemeinen weitere Strahlungsanteile außerhalb des nahen Infrarot auf, die nur einen geringen Beitrag zur gesamten Strahlungsleistung liefern.The NIR radiation is preferably emitted by a temperature radiation source which has an emission temperature of 2500 K or higher, in particular of 2900 K or higher. In this case the maximum of the emitted radiation flux density is in the near infrared. The emitted radiation generally has further radiation components outside the near infrared, which only make a small contribution to the total radiation power.
Die Verwendung eines Temperaturstrahlers, der bei derart hohen Temperaturen betrieben wird, hat den Vorteil, daß im Vergleich zu Temperaturstrahlern, die bei niedrigeren Temperaturen betrieben werden und deshalb im wesentlichen längerwellige elektromagnetische Strahlung emittieren, die emittierte Strahlungs- flußdichte größer ist. Bei gleicher Strahlungsleistung kann daher die emittierende Oberfläche verkleinert werden. Folglich ist auch das Volumen des Temperaturstrahlers und damit seine Wärmekapazität geringer. Wird beispielsweise ein von elektri- schem Strom durchströmbarer Widerstandsdraht als Temperaturstrahler verwendet, etwa ein Wolfram-Glühfaden, läßt sich durch Steuern des elektrischen Stromes mit geringer Trägheit die emittierte Strahlungsleistung verändern.The use of a temperature radiator that is operated at such high temperatures has the advantage that, compared to temperature radiators that are operated at lower temperatures and therefore emit essentially longer-wave electromagnetic radiation, the emitted radiation flux density is greater. The emitting surface can therefore be reduced with the same radiation power. As a result, the volume of the temperature radiator and thus its heat capacity is also lower. For example, if one of electrical used current flowable resistance wire as a temperature radiator, such as a tungsten filament, can be changed by controlling the electrical current with low inertia, the emitted radiation power.
Bei einer Weiterbildung des erfindungsgemäßen Verfahrens wird die Oberflächentemperatur des Grenzflächenbereichs, der erwärmt wird, durch Steuern der Strahlungsflußdichte der auf den Grenzflächenbereich auftreffenden Strahlung und/oder durch Steuern der Bestrahlungsdauer auf einen vorgegebenen Wert eingestellt. Aufgrund der guten Steuerbarkeit von NIR-Strahlung ist das Verfahren mit gut reproduzierbaren Ergebnissen und bevorzugtermaßen in kürzester Zeit durchführbar. Insbesondere reichen bei entsprechend hoher Strahlungsflußdichte der auftreffenden Strahlung Sekundenbruchteile für die Erwärmung aus. So lassen sich einerseits kurze Taktzeiten oder kurze Durchlaufzeiten erreichen und andererseits kann der durch die Erwärmung betroffene Grenzflächenbereich klein gehalten werden.In a development of the method according to the invention, the surface temperature of the interface area which is heated is set to a predetermined value by controlling the radiation flux density of the radiation impinging on the interface area and / or by controlling the radiation duration. Due to the good controllability of NIR radiation, the process can be carried out with reproducible results and preferably in the shortest possible time. In particular, if the radiation flux density of the incident radiation is correspondingly high, fractions of a second are sufficient for heating. On the one hand, short cycle times or short throughput times can be achieved, and on the other hand, the interface area affected by the heating can be kept small.
Vorzugsweise wird eine Durchwärmung des Körpers verhindert, so daß der nicht zu erwärmende Materialbereich bzw. der wärmeempfindliche Materialbereich an einer von der Grenzfläche abgewandten Seite des Körpers höchstens geringfügig erwärmt wird.Warming of the body is preferably prevented, so that the material area not to be heated or the heat-sensitive material area on a side of the body facing away from the interface is at most slightly warmed.
Um eine hohe Effektivität der Strahlungserwärmung zu erhalten, wird vorzugsweise das Material des Körpers an der Grenzfläche derart ausgewählt oder vorbereitet, daß sein Absorptionsgrad im nahen Infrarot Wert größer als 0,4, insbesondere größer als 0,6 hat. Alternativ oder zusätzlich werden vorzugsweise von dem Körper nichtabsobierte, reflektierte Strahlungsanteile der elektromagnetischen Strahlung in Richtung des Körpers zurückreflektiert.In order to obtain a high effectiveness of the radiation heating, the material of the body at the interface is preferably selected or prepared in such a way that its degree of absorption in the near infrared value is greater than 0.4, in particular greater than 0.6. As an alternative or in addition, reflected radiation portions of the electromagnetic radiation which are not absorbed by the body are preferably reflected back in the direction of the body.
In besonderer Ausgestaltung sind der erste und der zweite Kör- per langgestreckt und werden fortlaufend an einen Kontaktort gefördert, an dem die Körper zusammengebracht und dadurch miteinander verbunden werden. Die Erwärmung erfolgt in Förderrichtung vor dem Kontaktort an einem Erwärmungsort bzw. an für die Körper verschiedenen Erwärmungsorten. Vorrichtungsseitig ist hierzu eine Fördereinrichtung zum separaten Zuführen und Fördern der Körper an den Kontaktort und zum fortlaufenden Fördern der verbundenen Körper weg von dem Kontaktort vorgesehen.In a special embodiment, the first and the second body are elongated and are continuously conveyed to a contact point at which the bodies are brought together and thereby connected to one another. The heating takes place in the conveying direction in front of the contact point at a heating point or for Body different places of heating. On the device side, a conveying device for this purpose is provided for separately feeding and conveying the bodies to the contact location and for continuously conveying the connected bodies away from the contact location.
Bei einer Weiterbildung wird die Temperatur des zumindest einen, zu erwärmenden Grenzflächenbereiches geregelt. Insbesondere wird hierfür die Oberflächentemperatur des Grenzflächenbe- reiches an und/oder in Förderrichtung hinter dem Erwärmungsort berührungslos gemessen, beispielsweise unter Verwendung eines oder mehrerer Pyrometer. Meßsignale des Pyrometers können dann einer Regelungseinrichtung zugeführt werden, durch die die Temperatur des Grenzflächenbereiches mittels Steuerung der an dem Erwärmungsort auf den Körper auftreffenden Strahlungsflußdichte regelbar ist. Insbesondere sind zumindest zwei der Strahlungsquellen vorgesehen, um jeweils einen der Körper an dem jeweiligen Erwärmungsort zu bestrahlen. Dementsprechend sind mindestens zwei der Regelungseinrichtungen vorhanden, oder es ist vorzugsweise eine gemeinsame Regelungseinrichtung für eine Mehrzahl der Strahlungsquellen, gemeinsam für beide Körper, vorhanden. Bevorzugtermaßen wird die Temperatur des nicht zu erwärmenden bzw. wärmeempfindlichen Materialbereiches des einen Körpers durch Einstellen der Strahlngsflußdichte der auftref- fenden Infrarotstrahlung und/oder durch Einstellen der Bestrahlungsdauer bzw. der Fördergeschwindigkeit unterhalb eines kritischen Grenzwertes gehalten. Hierzu kann stichprobenartig, wiederholt oder kontinuierlich die Temperatur, insbesondere die Oberflächentemperatur des Materialbereiches gemessen werden. In weiterer Ausgestaltung wird dieses Meßsignal ebenfalls der Regelungseinrichtung zugeführt.In one development, the temperature of the at least one interface area to be heated is regulated. In particular, the surface temperature of the interface area at and / or in the conveying direction behind the heating point is measured without contact, for example using one or more pyrometers. Measurement signals from the pyrometer can then be fed to a control device by means of which the temperature of the interface area can be controlled by controlling the radiation flux density impinging on the body at the heating point. In particular, at least two of the radiation sources are provided in order to irradiate one of the bodies at the respective heating location. Accordingly, at least two of the control devices are present, or there is preferably a common control device for a plurality of the radiation sources, common for both bodies. The temperature of the material region of the one body that is not to be heated or is heat-sensitive is preferably kept below a critical limit value by adjusting the radiation flux density of the incident infrared radiation and / or by adjusting the irradiation time or the conveying speed. For this purpose, the temperature, in particular the surface temperature of the material area, can be measured randomly, repeatedly or continuously. In a further embodiment, this measurement signal is also fed to the control device.
Als Mittel zur Verwendung bei der Strahlungserwärmung des Körpers bzw. der Körper wird eine Infrarot-Strahlungsquelle vorge- schlagen, wobei die Infrarot-Strahlungsquelle einen Temperaturstrahler aufweist, der bei Emissionstemperaturen von 2500 K oder höher, insbesondere von 2900 K oder höher betreibbar ist. Vorzugsweise ist die Infrarot-Strahlungsquelle eine Halogen- lampe, die in spezieller, besonders bevorzugter Ausgestaltung einen Röhrenstrahler mit einem sich in einer strahlungsdurchlässigen Röhre, insbesondere in einer Quarzglasröhre, erstreckenden Glühfaden aufweist. Weiterhin bevorzugt wird, daß die Infrarot-Strahlungsquelle mit einem Reflektor zur Reflexion von emittierter Strahlung in Richtung des zu erwärmenden Körpers kombiniert ist.An infrared radiation source is proposed as a means for use in the radiation heating of the body or the body, the infrared radiation source having a temperature radiator which can be operated at emission temperatures of 2500 K or higher, in particular 2900 K or higher. The infrared radiation source is preferably a halogen lamp which, in a special, particularly preferred embodiment, has a tube emitter with a filament extending in a radiation-permeable tube, in particular in a quartz glass tube. It is further preferred that the infrared radiation source is combined with a reflector for reflecting emitted radiation in the direction of the body to be heated.
Die Erfindung wird nun anhand von Ausführungsbeispielen näher erläutert. Dabei wird auf die Zeichnung Bezug genommen. Die Erfindung ist jedoch nicht auf diese Ausführungsbeispiele beschränkt. Die einzelnen Figuren der Zeichnung zeigen:The invention will now be explained in more detail on the basis of exemplary embodiments. Reference is made to the drawing. However, the invention is not restricted to these exemplary embodiments. The individual figures in the drawing show:
Fig. 1 ein Ausführungsbeispiel der erfindungsgemäßen Vor- richtung zum fortlaufenden Verbinden zweier langgestreckter Körper,1 shows an embodiment of the device according to the invention for the continuous connection of two elongated bodies,
Fig. 2 einen Querschnitt durch die unter Verwendung der in Fig. 1 dargestellten Vorrichtung verbundenen Körper undFig. 2 shows a cross section through the body connected using the device shown in Fig. 1 and
Fig. 3 einen Querschnitt durch eine der Infrarotstrahlungsquellen der in Fig. 1 dargestellten Vorrichtung.Fig. 3 shows a cross section through one of the infrared radiation sources of the device shown in Fig. 1.
Fig. 1 zeigt ein bevorzugtes Ausführungsbeispiel für die erfindungsgemäße Vorrichtung. Die Vorrichtung dient dem Auflami- nieren eines langgestreckten Klebebandes 2 auf einen ebenfalls langgestreckten elastischen Profilkörper, der als Gummiprofil 1 ausgebildet ist. Das Gummiprofil 1 wird in der Darstellung von Fig. 1 von rechts kommend an einer Umlenkrolle 9 in eine horizontale Richtung umgelenkt und an einen Kontaktort gefördert, der durch ein Kontaktrollenpaar mit zwei Kontaktrollen 8 definiert ist. Das Klebeband 2 wird von links kommend über eine weitere Umlenkrolle 9 umgelenkt und zu dem Kontaktort geför- dert. Der Abstand zwischen den Kontaktrollen 8, die insbesondere angetriebene Rollen sind, ist so eingestellt, daß das Klebeband 2 und das Gummiprofil 1 jeweils an einer Flachseite miteinander in Kontakt kommen und gegeneinander gepreßt werden. In Förderrichtung vor dem Kontaktort wird die Oberfläche des Gummiprofils 1 an dessen Oberseite mit elektromagentischer Strahlung bestrahlt und erwärmt sich aufgrund der Absorption eines Teils der Strahlung. Der Absorptionsgrad des Gummiprofils 1 an dessen Oberseite beträgt für Strahlung im nahen Infrarot (NIR-Strahlung) etwa 0,7. Es wird daher der überwiegende Anteil der auftreffenden elektromagnetischen Strahlung direkt absorbiert. Die Erwärmung des Grenzflächenbereiches an der Oberseite des Gummiprofils 1 dient der Gewährleistung einer dauerhaften zugfesten Verbindung mit dem Klebeband 2.Fig. 1 shows a preferred embodiment for the device according to the invention. The device serves to laminate an elongated adhesive tape 2 onto an also elongated elastic profile body, which is designed as a rubber profile 1. Coming from the right, the rubber profile 1 is deflected in a horizontal direction on a deflecting roller 9 and is conveyed to a contact location which is defined by a pair of contact rollers with two contact rollers 8. Coming from the left, the adhesive tape 2 is deflected via a further deflection roller 9 and is conveyed to the contact location. The distance between the contact rollers 8, which are in particular driven rollers, is set so that the adhesive tape 2 and the rubber profile 1 come into contact with one another on one flat side and are pressed against one another. In the conveying direction in front of the contact location, the surface of the rubber profile 1 is irradiated with electromagnetic radiation on the upper side thereof and heats up due to the absorption of part of the radiation. The degree of absorption of the rubber profile 1 on its upper side is approximately 0.7 for near infrared radiation (NIR radiation). The majority of the incident electromagnetic radiation is therefore directly absorbed. The heating of the interface area on the upper side of the rubber profile 1 serves to ensure a permanent tensile connection with the adhesive tape 2.
In Förderrichtung nach dem Erwärmungsort, an dem die elektro- magentische Strahlung einer ersten Infrarot-Strahlungsquelle 3 auf das Gummiprofil 1 auftrifft, befindet sich ein Meßort, an dem die Oberflächentemperatur an der Oberseite des Gummiprofils 1 über ein erstes Pyrometer 5 gemessen wird. Ein Meßsignal des ersten Pyrometers 5 wird einer Regelungseinrichtung 7 zugeführt, die aus dem Meßsignal einen Meßwert errechnet und diesen mit einem Sollwert vergleicht. Entsprechend einer etwaigenIn the conveying direction after the heating point at which the electromagnetic radiation from a first infrared radiation source 3 strikes the rubber profile 1, there is a measuring point at which the surface temperature on the upper side of the rubber profile 1 is measured via a first pyrometer 5. A measurement signal from the first pyrometer 5 is fed to a control device 7, which calculates a measurement value from the measurement signal and compares it with a desired value. According to any
Sollwertabweichung steuert die Regelungseinrichtung 7 die erste Infrarot-Strahlungsquelle 3 an, indem sie die Stärke eines elektrischen Stromes einstellt, der die Strahlungsemission in der ersten Infrarot-Strahlungsquelle 3 zur Folge hat.The setpoint deviation controls the first infrared radiation source 3 by adjusting the strength of an electric current that results in the radiation emission in the first infrared radiation source 3.
Wie Fig. 3 zeigt, weist die Infrarot-Strahlungsquelle 3 zwei Röhrenstrahler 20 auf, die jeweils einen Wolframfaden 22 haben, welcher sich etwa in der Zentrumslinie einer langgestreckten Quarzglasröhre 21 erstreckt. Die Röhrenstrahler 20, sind in Ausnehmungen eines Reflektorkörpers 23 angeordnet, wobei die Ausnehmungen ebenfalls, entsprechend den Röhrenstrahlern 20, langgestreckt sind und jeweils ein parabolisches Querschnittsprofil aufweisen. Anstelle eines parabolischen Querschnittsprofils können auch andere Querschnittsprofile verwendet werden, beispielsweise trapezförmige. Die Oberflächen der Ausnehmungen und die sich in horizontaler Richtung erstreckenden Oberflächen an der Unterseite des Reflektorkörpers 23 sind als Reflektoroberflächen 24 zur Reflektion von NIR-Strahlung ausgebildet. Durch Variation des elektrischen Stromes, der durch die Wolframfäden 22 fließt, wird die Temperatur der Wolframfäden 22 und damit die spektrale Lage des Strahlungsflußdichte-Maximums und die Gesamt-Strahlungsleistung der emittierten Strahlung eingestellt. Die Wolframfäden 22 weisen eine geringe thermische Trägheit auf, da ihre Masse und damit auch ihre Wärmekapazität gering ist. Innerhalb von Sekundenbruchteilen kann die volle Strahlungsleistung durch Einschalten des elektrischen Stromes erreicht werden und kann umgekehrt durch Abschalten des elektrischen Stromes die Emission von Strahlung gestoppt werden. Durch geeignete, an sich bekannte elektronische Steuerungseinrichtungen wird beim Einschalten des Stromes schnell ein zeitlich konstanter Temperaturwert der Wolframfäden 22 erreicht.As FIG. 3 shows, the infrared radiation source 3 has two tube radiators 20, each of which has a tungsten thread 22 which extends approximately in the center line of an elongated quartz glass tube 21. The tube radiators 20 are arranged in recesses in a reflector body 23, the recesses likewise being elongated, corresponding to the tube radiators 20, and each having a parabolic cross-sectional profile. Instead of a parabolic cross-sectional profile, other cross-sectional profiles can also be used, for example trapezoidal. The surfaces of the recesses and the surfaces extending in the horizontal direction on the underside of the reflector body 23 are designed as reflector surfaces 24 for reflecting NIR radiation. By varying the electrical current flowing through the tungsten filaments 22, the temperature of the tungsten filaments 22 and thus the spectral position of the maximum radiation flux density and the total radiation power of the emitted radiation are set. The tungsten threads 22 have a low thermal inertia because their mass and thus also their heat capacity is low. The full radiation output can be achieved within a fraction of a second by switching on the electrical current and, conversely, the emission of radiation can be stopped by switching off the electrical current. Suitable, known electronic control devices quickly achieve a constant temperature value of the tungsten filaments 22 when the current is switched on.
Um eine Erwärmung des Reflektorkörpers 23 zu vermeiden, ist dieser vorzugsweise aktiv kühlbar, das heißt beispielsweise flüssigkeitsgekühlt . Somit erwärmt sich die Reflektoroberfläche 24 höchstens geringfügig und trägt nicht nennenswert zu einer Totzeit der Regelung der Strahlungsflußdichte bei.In order to avoid heating the reflector body 23, it can preferably be actively cooled, that is to say, for example, liquid-cooled. Thus, the reflector surface 24 heats up at most slightly and does not contribute significantly to a dead time for the regulation of the radiation flux density.
Alternativ oder zusätzlich zu einer reinen Stromregelung können steuerbare Blenden oder andere optische Einrichtungen vorgesehen sein und/oder eine Abstandssteuerung, die eine Einstellung des Abstandes der Infrarot-Strahlungsquelle 3 von der zu bestrahlenden Oberfläche erlaubt. Insbesondere kann eine solche Abstandssteuerung mit einer Stromsteuerung kombiniert sein, wobei zweckmäßigerweise die Abstandssteuerung dazu dient, den Strahlungsflußdichtebereich einzustellen, innerhalb dem eine schnelle, trägheitsarme Stromregelung stattfinden kann.As an alternative or in addition to a pure current control, controllable diaphragms or other optical devices can be provided and / or a distance control which allows the distance of the infrared radiation source 3 from the surface to be irradiated to be set. In particular, such a distance control can be combined with a current control, the distance control advantageously serving to set the radiation flux density range within which a fast, low-inertia current control can take place.
In Fig. 1 ist weiterhin eine zweite Infrarot-Strahlungsquelle 4 dargestellt, die der Erwärmung der Unterseite (in Bezug auf das fertiggestellte Laminat in Förderrichtung hinter den Kontakt- rollen 8) des Klebebandes 2 dient. Zur Regelung der Oberflächentemperatur des Klebebandes 2 ist ein zweites Pyrometer 6 vorgesehen. Die zweite Infrarot-Strahlungsquelle 4 und das zweite Pyrometer 6 sind in analoger Weise wie die erste Infra- rot-Strahlungsquelle 3 und das erste Pyrometer 5 mit der Regelungseinrichtung 7 verbunden. Die Regelung erfolgt insbesondere in der gleichen Weise.1 also shows a second infrared radiation source 4, which serves to heat the underside (in relation to the finished laminate in the conveying direction behind the contact rolls 8) of the adhesive tape 2. A second pyrometer 6 is provided to regulate the surface temperature of the adhesive tape 2. The second infrared radiation source 4 and the second pyrometer 6 are analogous to the first infrared red radiation source 3 and the first pyrometer 5 connected to the control device 7. The regulation takes place in particular in the same way.
Fig. 2 zeigt den Schichtaufbau des fertiggestellten Laminats aus dem Gummiprofil 1 und dem Klebeband 2. Die oberste Schicht des Laminats bildet eine Abziehfolie 14, die eine Schicht aus Haftklebstoff 13 des Klebebandes 2 schützt. Darunter befindet sich ein Träger des Klebebandes 2, der eine tragende Funktion ausübt. Unterhalb des Trägers 12 ist eine weitere Schicht aus Klebstoff vorgesehen, die jedoch im Gegensatz zu der Schicht aus Haftklebstoff 13 aus Heißklebstoff 11 besteht. Der Heißklebstoff 11 befindet sich bereits vor dem Verbinden mit dem Gummiprofil 1 an der Unterseite des Klebebandes 2.2 shows the layer structure of the finished laminate made of the rubber profile 1 and the adhesive tape 2. The top layer of the laminate forms a release film 14 which protects a layer of pressure-sensitive adhesive 13 of the adhesive tape 2. Underneath is a carrier of the adhesive tape 2, which has a supporting function. A further layer of adhesive is provided below the carrier 12, which, however, in contrast to the layer of pressure sensitive adhesive 13, consists of hot glue 11. The hot-melt adhesive 11 is already on the underside of the adhesive tape 2 before it is connected to the rubber profile 1.
Die Erwärmung des Heißklebstoffs 11, in der anhand der in Fig. 1 dargestellten Vorrichtung beschriebenen Weise, führt zur Aktivierung des Heißklebstoffes 11, so daß sich dieser mit dem ebenfalls erwärmten Gummiprofil 1 verbinden kann. Die Erwärmung des Gummiprofils 1 erlaubt ein leichtes Einbringen des Heißklebstoffes 11 in kleinste Oberflächenhohlräume des Gummiprofils 1 und bewirkt unter Umständen, je nach Wahl der Materialien, eine chemische Verbindung mit dem Gummiprofil oder anderen, anstelle des Gummiprofils verwendeten Körpern.The heating of the hot-melt adhesive 11, in the manner described with reference to the device shown in FIG. 1, leads to the activation of the hot-melt adhesive 11, so that it can connect to the likewise heated rubber profile 1. The heating of the rubber profile 1 allows the hot adhesive 11 to be introduced easily into the smallest surface cavities of the rubber profile 1 and, depending on the choice of materials, may cause a chemical connection with the rubber profile or other bodies used instead of the rubber profile.
In Fig. 2 sind durch Schraffüren und in schematischer Weise durch unterbrochene Linien abgegrenzte Bereiche, ein erster Grenzflächenbereich 15 in dem Gummiprofil 1 und ein zweiter Grenzflächenbereich 16 in dem Klebeband 2, eingezeichnet. Die Grenzflächenbereiche 15, 16 sind die Materialbereiche, die durch die separate Bestrahlung vor dem Zusammenbringen der beiden Körper erwärmt werden. Durch geeignete Steuerung bzw. Regelung der in Fig. 1 gezeigten Vorrichtung gelingt es, die übrigen Materialbereiche nicht zu erwärmen. Eine wesentliche Rolle hierbei spielen eine hohe Strahlungsflußdichte der auftreffenden Strahlung, die die Erwärmung bewirkt, eine geeignete Abstimmung der Fördergeschwindigkeit und der Strahlungsleistung und oder eine Regelung der auftreffenden Strahlungsleistung, sowie die Verwendung von elektromagnetischer Strahlung im nahen Infrarot an sich. Letztere ermöglicht erst die gute Steuerbarkeit des Erwärmungsvorgangs und erlaubt hohe Fördergeschwindigkeiten, wobei dennoch eine reproduzierbare Prozeßfüh- rung gewährleistet ist.In FIG. 2, areas delimited by hatching and in a schematic manner by broken lines, a first interface area 15 in the rubber profile 1 and a second interface area 16 in the adhesive tape 2. The interface regions 15, 16 are the material regions which are heated by the separate radiation before the two bodies are brought together. By suitable control or regulation of the device shown in FIG. 1, it is possible not to heat the other material areas. An important role here is played by a high radiation flux density of the incident radiation which causes the heating, a suitable coordination of the conveying speed and the radiation power and or regulation of the incident radiation power, and the use of electromagnetic radiation in the near infrared itself. The latter only enables the heating process to be easily controlled and permits high conveying speeds, while nevertheless ensuring reproducible process control.
Die Formgebung des in Fig. 2 dargestellten Gummiprofils 1 ist nur beispielhaft. Die beiden nach unten weisenden Lippen dienen zum Beispiel der elastischen Abdichtung eines geschlossenen Fensters gegen den Fensterrahmen. Anstelle von Gummi kann das Profil auch aus beliebigem anderen Material bestehen, etwa aus Schaumstoff .The shape of the rubber profile 1 shown in FIG. 2 is only an example. The two downward-facing lips are used, for example, to elastically seal a closed window against the window frame. Instead of rubber, the profile can also be made of any other material, such as foam.
BezugszeichenlisteReference list
1 Gummiprofil1 rubber profile
2 Klebeband2 tape
3 erste Infrarot-Strahlungsquelle 4 zweite Infrarot-Strahlungsquelle3 first infrared radiation source 4 second infrared radiation source
5 erstes Pyrometer5 first pyrometer
6 zweites Pyrometer6 second pyrometer
7 Regelungseinrichtung7 control device
8 Kontaktrolle 9 Umlenkrolle8 Contact roller 9 Deflection roller
11 Heißklebstoff11 hot glue
12 Träger12 carriers
13 Haftklebstoff13 pressure sensitive adhesive
14 Abziehfolie 15 erster Grenzflächenbereich14 peel-off film 15 first interface area
16 zweiter Grenzflächenbereich16 second interface area
20 Röhrenstrahler20 tube emitters
21 Quarzglasröhre21 quartz glass tube
22 Wolframfaden 23 Reflektorkörper22 tungsten thread 23 reflector body
24 Reflektoroberfläche 24 reflector surface

Claims

Patentansprüche claims
1. Verfahren zum Verbinden eines ersten Körpers (1) mit einem zweiten Körper (2), insbesondere zum Auflaminieren eines Klebebandes auf einen elastischen Profilkörper, wobei die Körper (1, 2) entlang einer gemeinsamen Grenzfläche miteinander verbunden werden, indem - zumindest der zweite Körper (2) in einem sich entlang der Grenzfläche erstreckenden Grenzflächenbereich (16) erwärmt wird, und anschließend die Körper (1, 2) zusammengebracht werden, so daß sich aufgrund der Erwärmung des zumindest einen Grenzflächenbereichs (15, 16) eine zugfeste Verbindung einstellt, wobei zumindest einer der Körper (2) an einer von der Grenzfläche abgewandten Seite einen nicht zu erwärmenden und/oder einen wärmeempfindlichen Materialbe- reich (13), insbesondere eine Haftklebstoffschicht, aufweist, wobei der zumindest eine zu erwärmende Grenzflächenbereich (15, 16) durch Bestrahlung mit elektromagnetischer Strahlung erwärmt wird und wobei zumindest wesentliche, die Erwärmung bewirkende Strahlungsanteile im Wel- lenlängenbereich des nahen Infrarot liegen.1. A method for connecting a first body (1) to a second body (2), in particular for laminating an adhesive tape onto an elastic profile body, the bodies (1, 2) being connected to one another along a common interface by - at least the second Body (2) is heated in an interface area (16) extending along the interface, and then the bodies (1, 2) are brought together, so that a tensile connection is established due to the heating of the at least one interface area (15, 16), wherein at least one of the bodies (2) has a non-heatable and / or a heat-sensitive material area (13), in particular a pressure-sensitive adhesive layer, on a side facing away from the interface, the at least one interface area (15, 16) to be heated by Irradiation with electromagnetic radiation is heated and, at least essential, cause the heating de radiation components are in the near infrared wavelength range.
2. Verfahren nach Anspruch 1, wobei die elektromagnetische Strahlung von einer Strahlungsquelle (3,4) emittiert wird, die eine Emissionstempe- ratur von 2500 K oder höher hat, insbesondere von 2900 K oder höher.2. The method according to claim 1, wherein the electromagnetic radiation is emitted by a radiation source (3, 4) which has an emission temperature of 2500 K or higher, in particular of 2900 K or higher.
3. Verfahren nach einem der Ansprüche 1 und 2, wobei das Material des Körpers (1, 2) an der Grenzfläche derart ausgewählt oder vorbereitet wird, daß sein Absorptionsgrad im nahen Infrarot Werte größer als 0,4, insbesondere größer als 0,6 hat. 3. The method according to any one of claims 1 and 2, wherein the material of the body (1, 2) is selected or prepared at the interface such that its degree of absorption in the near infrared has values greater than 0.4, in particular greater than 0.6 .
4. Verfahren nach einem der Ansprüche 1 bis 3, wobei von dem Körper (1, 2) nicht absorbierte, reflektierte Strahlungsanteile der elektromagnetischen Strahlung in Richtung des Körpers (1, 2) zurückreflektiert werden.4. The method according to any one of claims 1 to 3, wherein from the body (1, 2) not absorbed, reflected radiation portions of the electromagnetic radiation in the direction of the body (1, 2) are reflected back.
5. Verfahren nach einem der Ansprüche 1 bis 4, wobei die Oberflächentemperatur des Grenzflächenbereichs (15, 16) durch Steuern der Strahlungsflußdichte der auf den Grenzflächenbereich auftreffenden Strahlung und/oder der Bestrahlungsdauer auf einen vorgegebenen Wert eingestellt wird.5. The method according to any one of claims 1 to 4, wherein the surface temperature of the interface region (15, 16) is set to a predetermined value by controlling the radiation flux density of the radiation impinging on the interface region and / or the radiation duration.
6. Verfahren nach einem der Ansprüche 1 bis 5, wobei das Material an der Oberfläche des Grenzflächenbe- reichs (15, 16) des ersten und/oder des zweiten Körpers (2) ein Klebstoff (11) ist, der durch die Erwärmung aufgrund von Strahlungsabsorption und/oder aufgrund von Wärmeübertragung zwischen den Körpern (1,2) aktiviert wird.6. The method according to any one of claims 1 to 5, wherein the material on the surface of the interface area (15, 16) of the first and / or the second body (2) is an adhesive (11), which is caused by the heating due to Radiation absorption and / or due to heat transfer between the bodies (1,2) is activated.
7. Verfahren nach einem der Ansprüche 1 bis 6, wobei der erste (1) und der zweite (2) Körper langgestreckt sind und fortlaufend an einen Kontaktort gefördert werden, an dem die Körper (1, 2) zusammengebracht und dadurch miteinander verbunden werden, und wobei die Erwär- mung in Förderrichtung vor dem Kontaktort an einem Erwärmungsort bzw. an für die Körper verschiedenen Wärmungsorten erfolgt.7. The method according to any one of claims 1 to 6, wherein the first (1) and the second (2) body are elongated and continuously conveyed to a contact location at which the body (1, 2) are brought together and thereby connected to each other, and the heating in the conveying direction takes place in front of the contact location at a heating location or at different heating locations for the body.
8. Verfahren nach Anspruch 7, wobei die Temperatur des zumindest einen Grenzflächenbereichs (15, 16) geregelt wird.8. The method according to claim 7, wherein the temperature of the at least one interface region (15, 16) is regulated.
9. Verfahren nach Anspruch 8, wobei für die Regelung die Oberflächentemperatur des Grenzflächenbereichs (15, 16) an und/oder in Förderrichtung hinter dem Erwärmungsort berührungslos gemessen wird. 9. The method according to claim 8, wherein for the control the surface temperature of the interface area (15, 16) is measured at and / or in the conveying direction behind the heating point without contact.
10. Verfahren nach einem der Ansprüche 7 bis 9, wobei die Temperatur des nicht zu erwärmenden bzw. wärmeempfindlichen Materialbereiches des zumindest einen Körpers durch Einstellen der Strahlungsflußdichte der auf- treffenden elektromagnetischen Strahlung und/oder der Be- strahlungsdauer bzw. der Fördergeschwindigkeit unterhalb eines kritischen Grenzwertes gehalten wird.10. The method according to any one of claims 7 to 9, wherein the temperature of the non-heating or heat-sensitive material area of the at least one body by adjusting the radiation flux density of the incident electromagnetic radiation and / or the radiation duration or the conveying speed below a critical Limit is maintained.
11. Vorrichtung zum Verbinden eines ersten Körpers (1) mit ei- nem zweiten Körper (2), insbesondere zum Auflaminieren eines Klebebandes auf einen elastischen Profilkörper, wobei die Körper (1, 2) langgestreckt ausgebildet sind und entlang einer gemeinsamen in Längserstreckungsrichtung verlaufenden Grenzfläche miteinander verbunden werden, mit: - einer Fördereinrichtung (8, 9) zum separaten Zuführen und Fördern der Körper (1,2) an einen Kontaktort, an dem die Körper (1, 2) zusammengebracht werden, und zum fortlaufenden Fördern der verbundenen Körper (1, 2 ) weg von dem Kontaktort und - zumindest einer Strahlungsquelle (3, 4) zum Bestrahlen wenigstens eines der Körper (1, 2) so daß der Körper (1, 2) in einem sich entlang der Grenzfläche erstreckenden Grenzflächenbereich (15, 16) durch Absorption elektromagnetischer Strahlung erwärmt wird, wobei die Strahlungsquelle (3, 4) derart ausgebildet und positioniert ist, daß der Körper (1, 2) an einem in Förderrichtung vor dem Kontaktort liegenden Erwärmungsort bestrahlbar ist, und wobei zumindest wesentliche, die Erwärmung bewirkende Strahlungsanteile im Wellenlängenbereich des nahen Infrarot liegen.11. Device for connecting a first body (1) to a second body (2), in particular for laminating an adhesive tape onto an elastic profile body, the bodies (1, 2) being elongated and along a common boundary surface extending in the longitudinal direction are connected to one another with: - a conveying device (8, 9) for separately feeding and conveying the bodies (1, 2) to a contact location at which the bodies (1, 2) are brought together and for continuously conveying the connected bodies ( 1, 2) away from the contact location and - at least one radiation source (3, 4) for irradiating at least one of the bodies (1, 2) so that the body (1, 2) in an interface region (15, 16.) Extending along the interface ) is heated by absorption of electromagnetic radiation, the radiation source (3, 4) being designed and positioned in such a way that the body (1, 2) is at a point in the conveying direction before d is located at the contact point of the heating location, and at least essential radiation components causing the heating lie in the wavelength range of the near infrared.
12. Vorrichtung nach Anspruch 11, wobei zumindest ein Pyrometer (15, 6) vorgesehen ist, um die Temperatur des Grenzflächenbereichs (15, 16) an einem in Förderrichtung an oder hinter dem Erwärmungsort liegenden Ort berührungslos zu messen und ein Meßsignal einer Regelungseinrichtung (7) zuzuführen, durch die die Temperatur des Grenzflächenbereichs (15, 16) mittels Steuerung der an dem Erwärmungsort auf den Körper (1, 2) auftreffenden Strahlungsflußdichte regelbar ist.12. The apparatus of claim 11, wherein at least one pyrometer (15, 6) is provided to measure the temperature of the interface area (15, 16) at a location in the conveying direction at or behind the heating point without contact and a measurement signal from a control device (7 ) by which the temperature of the interface area (15, 16) is controlled the radiation flux density impinging on the body (1, 2) at the heating point can be regulated.
13. Vorrichtung nach Anspruch 11 oder 12, wobei zumindest zwei der Strahlungsquellen (3, 4) vorgesehen sind, um jeweils einen der Körper (1, 2) an dem jeweiligen Erwärmungsort zu bestrahlen.13. The apparatus of claim 11 or 12, wherein at least two of the radiation sources (3, 4) are provided in order to irradiate one of the bodies (1, 2) at the respective heating location.
14. Verwendung einer Infrarot-Strahlungsquelle (3, 4) zur Strahlungserwärmung eines Körpers (1, 2) in einem Grenzflächenbereich (15, 16), wobei der Grenzflächenbereich (15, 16) sich entlang einer Oberfläche des Körpers (1) erstreckt, die anschließend mit einer Oberfläche eines zweiten Körpers (2) zusammengebracht wird, um aufgrund der Er- wärmung eine zugfeste Verbindung der Körper (1, 2) zu bewirken, wobei die Infrarot-Strahlungsquelle (15, 16) einen Temperaturstrahler (22) aufweist, der bei Emissionstemperaturen von 2500 K oder höher, insbesondere von 2900 K oder höher, betreibbar ist.14. Use of an infrared radiation source (3, 4) for radiant heating of a body (1, 2) in an interface area (15, 16), the interface area (15, 16) extending along a surface of the body (1), the is then brought together with a surface of a second body (2) in order to effect a tensile connection of the bodies (1, 2) due to the heating, the infrared radiation source (15, 16) having a temperature radiator (22) which can be operated at emission temperatures of 2500 K or higher, in particular 2900 K or higher.
15. Verwendung nach Anspruch 14, wobei die Infrarot-Strahlungsquelle (3, 4) eine Halogenlampe ist.15. Use according to claim 14, wherein the infrared radiation source (3, 4) is a halogen lamp.
16. Verwendung nach Anspruch 14 oder 15, wobei die Infrarot-Strahlungsquelle (3, 4) einen Röhrenstrahler (20) mit einem sich in einer strahlungsdurchlässigen Röhre (21), insbesondere in einer Quarzglasröhre, erstreckenden Glühfaden (22) aufweist.16. Use according to claim 14 or 15, wherein the infrared radiation source (3, 4) has a tube radiator (20) with a filament (22) extending in a radiation-permeable tube (21), in particular in a quartz glass tube.
17. Verwendung nach Anspruch 14 bis 16, wobei die Infrarot-Strahlungsquelle (3, 4) mit einem Reflektor (23, 24) zur Reflexion von emittierter Strahlung in Richtung des zu erwärmenden Körpers kombiniert ist. 17. Use according to claim 14 to 16, wherein the infrared radiation source (3, 4) is combined with a reflector (23, 24) for reflecting emitted radiation in the direction of the body to be heated.
PCT/EP1999/007702 1998-10-30 1999-10-13 Lamination WO2000026011A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP99953811A EP1124676A1 (en) 1998-10-30 1999-10-13 Lamination
JP2000579427A JP2002528308A (en) 1998-10-30 1999-10-13 Lamination method and apparatus
AU10369/00A AU1036900A (en) 1998-10-30 1999-10-13 Lamination

Applications Claiming Priority (2)

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DE19850143.9 1998-10-30
DE1998150143 DE19850143B4 (en) 1998-10-30 1998-10-30 Method for laminating an adhesive tape to an elastic profiled body

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WO2000026011A1 true WO2000026011A1 (en) 2000-05-11

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WO2009103981A1 (en) * 2008-02-20 2009-08-27 Epl Composite Solutions Ltd Bonding apparatus
USD719596S1 (en) 2012-12-20 2014-12-16 Sfs Intec Holding Ag Induction apparatus

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DE10131620B4 (en) * 2001-06-29 2007-10-25 Adphos Advanced Photonics Technologies Ag Method and device for drying and / or crosslinking or heating by means of electromagnetic radiation
DE10235831B4 (en) * 2002-08-05 2007-11-29 Advanced Photonics Technologies Ag Process for laminating a three-dimensionally preformed carrier with a textile layer and irradiation device for carrying out the method
DE102004039312A1 (en) * 2004-08-13 2006-03-16 Avw Systemtechnik Gmbh Attachment of thermoplastic plastic component onto supporting part such as vehicle interior panel involves short wave IR heating of component surface and pressing surface onto supporting part
DE102004043450A1 (en) 2004-09-06 2006-03-09 Uhlmann Pac-Systeme Gmbh & Co Kg Device for sealing
DE102004049267B9 (en) * 2004-10-09 2007-05-16 Uhlmann Pac Systeme Gmbh & Co Method for starting in particular a continuous thermoforming machine with a heating station and method for stopping a continuous thermoforming machine
DE102005028661B4 (en) * 2005-06-15 2010-10-28 Kiv Kreis Gmbh Method and device for producing a two-layer film and a two-layer film produced therewith
DE102009020326A1 (en) * 2009-05-07 2010-11-18 Simon Kern Electrical flat heating element for radiating infrared heat rays on human skin, has infrared heating element providing heat rays with wavelength of specific value, where element is fastened to printed circuit board
WO2014019891A1 (en) 2012-07-31 2014-02-06 Henkel Ag & Co. Kgaa Adhesion method using thin adhesive layers

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Publication number Priority date Publication date Assignee Title
WO2009103981A1 (en) * 2008-02-20 2009-08-27 Epl Composite Solutions Ltd Bonding apparatus
USD719596S1 (en) 2012-12-20 2014-12-16 Sfs Intec Holding Ag Induction apparatus

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AU1036900A (en) 2000-05-22
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EP1124676A1 (en) 2001-08-22
DE19850143A1 (en) 2000-05-11

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