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DE1629332A1 - Vorrichtung zum kontinuierlichen Praegen und Verbinden einer Folienbahn aus thermoplastischem Kunststoff mit mindestens einer weiteren Folienbahn - Google Patents

Vorrichtung zum kontinuierlichen Praegen und Verbinden einer Folienbahn aus thermoplastischem Kunststoff mit mindestens einer weiteren Folienbahn

Info

Publication number
DE1629332A1
DE1629332A1 DE19611629332 DE1629332A DE1629332A1 DE 1629332 A1 DE1629332 A1 DE 1629332A1 DE 19611629332 DE19611629332 DE 19611629332 DE 1629332 A DE1629332 A DE 1629332A DE 1629332 A1 DE1629332 A1 DE 1629332A1
Authority
DE
Germany
Prior art keywords
film web
forme cylinder
web
nozzle
film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DE19611629332
Other languages
English (en)
Inventor
Chavannes Marc Alfred
Fielding Alfred William
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE1629332A1 publication Critical patent/DE1629332A1/de
Pending legal-status Critical Current

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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/18—Thermoforming apparatus
    • B29C51/20—Thermoforming apparatus having movable moulds or mould parts
    • B29C51/22—Thermoforming apparatus having movable moulds or mould parts rotatable about an axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D39/00—Equipment for supplying molten metal in rations
    • B22D39/02—Equipment for supplying molten metal in rations having means for controlling the amount of molten metal by volume
    • B22D39/023—Equipment for supplying molten metal in rations having means for controlling the amount of molten metal by volume using a displacement member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B29B13/023—Half-products, e.g. films, plates
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/30—Making multilayered or multicoloured articles
    • B29C43/305—Making multilayered 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/18—Thermoforming apparatus
    • B29C51/20—Thermoforming apparatus having movable moulds or mould parts
    • B29C51/22—Thermoforming apparatus having movable moulds or mould parts rotatable about an axis
    • B29C51/225—Thermoforming apparatus having movable moulds or mould parts rotatable about an axis mounted on a vacuum drum
    • 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
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/024—Thermal pre-treatments
    • B29C66/0242—Heating, or preheating, e.g. drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/438—Joining sheets for making hollow-walled, channelled structures or multi-tubular 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
    • B29C66/41—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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8182—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects
    • B29C66/81821—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects of the welding jaws
    • 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
    • B29C66/914—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
    • B29C66/91643—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 following a heat-time profile
    • B29C66/91645—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 following a heat-time profile by steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0036—Heat treatment
    • B32B38/004—Heat treatment by physically contacting the layers, e.g. by the use of heated platens or rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/06—Embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/08—Brake cylinders other than ultimate actuators
    • B60T17/10—Two or more cylinders acting on the same brake with means for rendering them effective selectively or successively, the number of effective cylinders being variable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/03—Wrappers or envelopes with shock-absorbing properties, e.g. bubble films
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/24—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means
    • E01B29/26—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means the fastening means being spikes
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/3405—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by profiled spacer sheets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
    • F16F1/376—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape having projections, studs, serrations or the like on at least one surface
    • 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
    • B29C35/16—Cooling
    • B29C2035/1616—Cooling using liquids
    • 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
    • B29C35/16—Cooling
    • B29C2035/1658—Cooling using gas
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B29C2043/3676—Moulds for making articles of definite length, i.e. discrete articles moulds mounted on rotating supporting constuctions
    • B29C2043/3678—Moulds for making articles of definite length, i.e. discrete articles moulds mounted on rotating supporting constuctions on cylindrical supports with moulds or mould cavities provided on the periphery
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/44—Compression means for making articles of indefinite length
    • B29C43/46—Rollers
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
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Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Forests & Forestry (AREA)
  • Transportation (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Laminated Bodies (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Description

  • Vorrichtung zum kontinuierlichen Prägen und Verbinden: einer Folienbahn aus thermoplastischem Kunststoff mit mindestens einer weiteren Folien bahn Die Erfindung betrifft eine Vorrichtung zum kontinuierlichen Prägen und Verbinden einer Folienbahn aus thermoplastischem Kunststoff mit mindestens einer weiteren Folienbahn, bestehend aus einem Formzylinder, mindestens einer Heizvorrichtung zu@ Erwärmen der zu verbindenden Folienbahnen auf die Verformungs-bzw. Schweisstemperatur und einer Einrichtung zur Zuführung der anderen Folienbahn auf den Umfang des Formzylinde-rs, sowie mindestens einer auf die verbundenen Bahnen einwirkenden Kühlvorrichtung.
  • Bei bekannten Vorrichtungen dieser Art wird die Folienbahn um einen erhitzten Formzylinder herumgeführt und ihr die mit ihr zu verbindende Folienbahn erst aue einem weiteren, mitdem vorgenannten Formzylinder zusammenarbeitenden unbeheizten Formzylinder zugeführt, wobei die Verbindung zwischen den beiden Folienbahnen mittels eines auf die erste Folienbahn bei ihrem Umlauf um den zweiten Formzylinder aufgebrachten Slebstoffs. bewirkt wird. Diese bekannte Vorrichtung eignet sich nicht für die Herstellung von Polstermaterial oder ähnlichen Erzeugnissen, das aus mindestens zwei Folienbahnen besteht, die ihrerseits beide aus thermoplastischem Kunststoff bestehen und durch Erhitzen ihrer Oberflächen bis in- die Nähe des Schmelzpunktes des Kunststoffs im Wege eines Siegel- oder Schweissvorganges miteinander verbunden werden, wobei insbesondere ein Polstermaterial entsteht, das gegenüber dem durch Zusammenkleben der Bahnen hergeZ stellten vor allem den Vorteil grösssrer mechanischer Widerstandsfähigkeit aufweist.
  • Für die Rerstellung einer einzigen; mit einem Prägemuster versehenen Folienbahn hat man bereita Vorrichtungen verwendet, bei denen die Folienbahn einem Formzylinder. zugeführt wird, nachdemsie durch ein umlaufendes Trägerband, das durch Heizvorrichtung@n erhitzt wurde, auf einem längeren Wege beheizt worden war Der Formzylinder wurde auf seiner nicht von der Bahn umschlungenen Umfangshälfte und in seinem Inneren durch Aufblasen bzw.
  • Einblasen von kalter Luft gekühlt und die Bahn nach Beendigung des Prägevorgangs über einen von innen durch Wasser gekühlten Zylinder geführt. Diese bekannte Vorrichtung erfordert jedoch deswegen einen übermassigen Wärmeverbrauch, weil die ständige intensive Kühlung des umlaufenden Formzylinders bereits an; der Auftreffstelle der Bahn auf den letzteren wirksam wird, so dass der Bahn schon an dieser Stelle Wärme entzogen wird' die für die Aufrechterhaltung der Bildsamkeit der Bahn auf dem ihre @rägung bewirkenden Umfangsteil des Form@@linders benötigt wird0 In erhöhtem Masse muss diese bekannte Vorrichtung dann versagen, wenn ea sich um das Verbinden einer ersten Folienbahn aus thermoplastischem Kunststoff mit einer zweiten Bahn aus gleichem oder ähnlichem Naterial handelt, da dann nicht nur für aas Prägen der ersten Bahn, sondern auch für ihre Vereinigung mit der zweiten Bahn Wärme benötigt wirdp die auf dem selbst intensix gekühlten Formzylinder der bekannten Vorrichtung auch bei starker vorheriger Aufheizung der Bahnen nicht mehr in ausreichendem~ Masse zur Verfügung steht.
  • Durch die Erfindung wird eine Vorrichtung ange@eben, die mit geringstmöglichem Wärme aufwand eine einwandfreie Durchführung sowohl des Prägevorganges als auch des Versiegelungs- oder Schweissvorganges zwischen den beiden aus thermoplastischem Kunststoff bestehenden Bahnen ermöglicht. so dass mit Hilfe der erfindungsgemass ausgebildeten Vorrichtung ein Polstermaterial o. -dglo ton grosser mechanischer Widerstandsfähigkeit mit-allseitig luftdicht abgeschlossenen Zellen erhalten werden kann.
  • Erfindungsgemäss wird zu diesem Zweck die eingangs gekennzeichnete Votrichtung in der Weise ausgebildet, dass die Kühlvorrichtung unmittelbar nach dem Zusammenführen der geprägten Folienbahn mit der anderen Folienbahn auf die Aussenseite des Formzylinders einwirkend angeordnet ist.
  • Dabei kann in baulich einfacher Weise die Kühlvorrichtung an der Unterseite des Formyzlinders einen Trog zur Aufnahme des aus einer- Düse zugeführten Kühlmittels besitzen, wobei zwischen der Düse und einer die zweite Bahn gegen die erste Bahn auf dem Umfang des Formzylinders pressenden Heizwalze ein Schild vorgesehen ist.
  • Zur Erzielung besonders hoher Arbeitsgeschwindigkeiten der Vorrichtung kann diese in der Weise ausgebildet werden, dass mit Abstand zur ühldüse in der Laufrichtung des Pormzylinders eine luftdüse zum Aufblasen von Trockenluft vorgesehen ist.
  • Die Zeichnung veranschaulicht die Erfindung anhand eines Ausführungsbeispiellles. Sie zeigt eine schematisch vereinfachte Seitenansicht der Vorrichtung zur Verarbeitung von zwei Folienbahnen Die Vorrichtung enthält einen Formzylinder 15, dem über die Heizwalzen 22 und 31 Je eine Folienbahn 11 und 13 zugeführt werden. Diese bestehen aus thermoplastischem Kunststoff und können Jede gewünschte Stärke haben, doch werden Folien mit einer Stärke zwischen 0,025 und 0,65 mm gewöhnlich bevorzugt. Im der Praxis richtet sich die für ein bestimmtes Produkt zu wählende Stärke der Folien natürlich nacth den von dem herzustellenden Enderzeugnis 10 zu verlangenden Eigenschaften.
  • Den Heißwalzen 22 und 31 können noch weitere Heizwalzen vorgeschaltet @@in, die insgesamt eine Beheizung der Folienbahnen auf dieJenigen Temperaturen bewirken, die zur Durchführung der Prägung der Folienbahn ii auf dem Umfang des Formzylinders 15 sowie zum Verbinden der folienbahn 11 mit der Folienbahn 13 im Wege eines Siegel- oder Sphweissvorganges erforderlich sind.
  • Der Formzylinder 15 kann mit Unterdruck arbeiten und mit einer Anzahl in seiner Oberfläche angeordneter Zellen versehen sein, die den Zweck haben, entsprechende Zellen in dem Enderzeugnis zu bilden Der Form@@linder ist erfindungsgemäss in der Weise wassergekühlt,'dass dadurch eine Abkühlung der geprägten bzwO gepressten Stellen der Folienbahn 11 erfolgt und eine Abkühlung der ungeprägten Stellen dieser Folienbahn, die das Verschweissen der zweiten Folienbahn 13 mit ihr beeinträchtigen: könnte, vermieden wird.
  • Die Erwärmung der mit verhältnismässig grosser Geschwindigkeit laufenden Folienbahnen vor dem Erreichen des Pormzylinders 15 wird in der Weise durchgeführt, dass die Bahntemperatur zwar ahe an-den Schmelzpunkt des Materials herankommt ; es ist jedoch wiahtig, dass tatsächlich kein Schmelzen auftritt.
  • Die zweite Polienbahn 13 wird nach ähnlicher Vorerhitzung, wie sie für die-zu prägende Folienbahn 11 vorgesehen ist, über di.
  • Walze 31, die die Folienbahn 19 bia auf eine in der Nähe ihres Schmelzpunktes liegende Temperatur erhitzt, an den Formzylinder 15 angedrückt, so dass beim Aufbringen der Folienbahn 13 auf die geprägte bzw. gepresste Folienbahn 11 beide Bahnen verschmelzen und somit, die geprägten Zellen fest versiegeln. Das Aufeinandersiegeln der Bahnen erfolgt nur auf den ungeprägten Teilen der Folienbahn 11. Die Folienbahn 13 wird mit der Folienbahn 11 an einer Stelle verbunden, die in nächster Nähe der Auftreffstelle der Folienbahn 11 auf dem Formzylinder 15 liegt, um dadurch eine Abkühlung der Oberfläche der geprägten Folienbahn 11, auf die die Polienbahn 13 aufgeschmolzen wird, weitgehend zu verhindern.
  • Zwischen den Wälzen 22 und 31 kann gewünschtenfalls eine Heizvorrichtung angeordnet sein, um die nicht geprägten Teile der Folienbahn 11 Mit Sicherheit auf der Schmelstemperatur zu haiteno Sobald die Verschmelzung beendet,ist, läuft die vereinigte Bahn 10 über den Formzylinder 15 weiter, wobei sie ia Interesse einer raschen Abkühlung nach dem Verschweissen und zur Erzielung einer dadurch erhöhten Arbeit sgeschwindigkeit erfindungsgemäss der Einwirkung einer Kühlvorrichtung ausgesetzt wird.
  • Zu diesem Zweck ist gemäss einer Ausführungsform der Erfindung: unterhalb der Walze 31 und in unmittelbarer Nähe des Formzylinders 15 ein Schild 36 angebrachte Unter dem Schild 36 ist mindestens eine Düse 37 angeordnet, die Wasser oder ein anderes Kühlmittel direkt auf die Oberfläche der übereinanderliegenden Folienbahnen 11 und 13 spritzt. Dadurch wird eine rasche Ab" kühlung und Ver@iegelung der Bahnen erreicht und eine Trennung derselben voneinander während ihre@ Laufs um den For@@@linder 15 verhindert@ Bei Verwendung flüssiger Kühlmittel ist unterhalb des Formzylinders 15 ein Trog 38 angeordnet, um die aufgespritzte Flüssigkeit aufzufangen, worauf, sie durch einen entsprechenden Kühlapparat mit zugehörigen Pumpen neuerlich verwendbar gemacht werden kannb Das Ausmass der Abkühlung kann bei Verwendung eines tühlmittels sowohl durch die Temperatur des Kühlmittels als: auch durch die 8telle auf dem Formzylinder, auf Die das Kühlmittel aufgebracht wird, geregelt werden. Werden die übereinanderliegenden folienbahnen mittels eines. flüssigen Kühlmittels gekühlt, so wird ihre Aussenfläche mittels Luftdüsen 39 und 40 getrocknet, durch die Trockenluft oder ein anderea geeignetes Gas unter Druck auf. die Aassenfiäche der vereinigten Polienbahnen geblasen wird. Auf diese Weise wirken die Luftdüsen 39 und 40 wie Abstreifmesser, indem sie das flüsaige Kühlmittel von der Oberfläche der Bahnen entfernen und/oder verdampfen, und sie erzielen eine vollständige Trocknung der Bahn 10, bevor diese durch die Walze 32 abgenommen wird.
  • Die Folienbahnen 11 und 13, die geprägt und miteinander versiegelt werden, bestehen aus einem Material, das bei steigen, der Temperatur weich wird und schmilzt. Wenngleich derartige Folien gewöhnlich als "thermoplastisch" bezeichnet werden und solche im allgemeinen auch bei dieser Erfindung verwendet werden so ist-doch nicht beabsichtigt, die Erfindung auf die Verwendung v6n"Polien zu beschränken, die im Handel@als "thermoplastische Polien', bezeic'hnet werden, da, Jede folie verwendet-werden kann, die sich mit Hilfe der erfindungsgemässen Vorrichtung prägen und versiegeln lässt.
  • .-.-.-.-.-.-.-.
  • Patentansprüche:

Claims (1)

  1. P a t e n t a n s p r ü c h e : 1. Vorrichtung zum kontinuierlichen Prägen und Verbinden einer Folienbahn aus thermoplastischem Kunststoff mit mindestens einer weiteren Folienbahn, bestehend aus einem Formzylinder,mindestens einer Heizvorrichtung zum Erwärmen der zu verbindenden Folienbahnen auf die Verformungs- bzw.
    Schweisstemperatur und einer Einrichtung zur Zuführung der anderen Folienbahn auf den Umfang des Formzylinders, sowie mindestens einer auf die verbundenen Bahnen einwirkenden Kühlvorrichtung, dadurch gekennzeichnet, dass die Kühlvorrichtung (37, 38; 54, 55; 88 - 91) unmittelbar nach dem Zusammenführen der geprägten Folienbahn (11) mit deranderen Folienbahn (13) auf die Aussenseite des Formzylinders èinw'irkend angeordnet ist.
    2* Vorrichtung nach Anspruc"h 1, dadurch gekennzeichnet, dass die Kühlvorrichtung an der Unterseite des Formzylinders einen trog (38) zur Aufnahme des aus einer Düse (37) zugeführten Kühlmittels besitzt, wobei zwischen der Düse (37) und einer die zweite Bahn (13) gegen die erste Bahn (11) auf dem Umfang des Formzylinders (15) pressenden Heizwalze (31) ein Schild (36) vorgesehenist.
    3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass mit Abstand zur Kühldüse (37) in der Laufrichtung des Formzylinders eine Luftdüse (39, 40) zum Aufblasen von Trockenluft vorgesehen ist.
DE19611629332 1960-03-09 1961-03-08 Vorrichtung zum kontinuierlichen Praegen und Verbinden einer Folienbahn aus thermoplastischem Kunststoff mit mindestens einer weiteren Folienbahn Pending DE1629332A1 (de)

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US13937A US3208898A (en) 1960-03-09 1960-03-09 Apparatus for embossing and laminating materials

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DEC23588A Withdrawn DE1242354B (de) 1960-03-09 1961-03-08 Umlaufender Formzylinder zum Formen und Kaschieren von Kunststoffplatten oder -folien

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AT (2) AT261886B (de)
BE (1) BE601158A (de)
CH (2) CH373175A (de)
DE (2) DE1629332A1 (de)
ES (1) ES265482A1 (de)
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GB942215A (en) 1963-11-20
BE601158A (de) 1961-07-03
US3208898A (en) 1965-09-28
FR1283530A (fr) 1962-02-02
DE1242354B (de) 1967-06-15
SE303586B (de) 1968-09-02
AT261886B (de) 1968-05-10
NL262013A (de) 1964-05-25
ES265482A1 (es) 1961-06-16
CH373175A (fr) 1963-11-15
AT248683B (de) 1966-08-10
GB978654A (en) 1964-12-23
GB942214A (de) 1963-11-20
CH402392A (fr) 1965-11-15

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