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JPS6049409B2 - ウエブ又はシ−トのエツジ領域の結合方法及びその装置 - Google Patents

ウエブ又はシ−トのエツジ領域の結合方法及びその装置

Info

Publication number
JPS6049409B2
JPS6049409B2 JP55102333A JP10233380A JPS6049409B2 JP S6049409 B2 JPS6049409 B2 JP S6049409B2 JP 55102333 A JP55102333 A JP 55102333A JP 10233380 A JP10233380 A JP 10233380A JP S6049409 B2 JPS6049409 B2 JP S6049409B2
Authority
JP
Japan
Prior art keywords
edge
sheet
web
region
sheets
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP55102333A
Other languages
English (en)
Other versions
JPS5648904A (en
Inventor
ステフエン・クヤエルビエ−・ペ−タ−セン
フイン・トフト・マツドセン
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.)
Tetra Pak Developpement SA
Original Assignee
Tetra Pak Developpement SA
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 Tetra Pak Developpement SA filed Critical Tetra Pak Developpement SA
Publication of JPS5648904A publication Critical patent/JPS5648904A/ja
Publication of JPS6049409B2 publication Critical patent/JPS6049409B2/ja
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F7/00—Processes not otherwise provided for
    • B31F7/006—Processes not otherwise provided for edges, e.g. sheet edges
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/36—Bending and joining, e.g. for making hollow articles
    • B29C53/38—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges
    • B29C53/48—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges for articles of indefinite length, i.e. bending a strip progressively
    • B29C53/50—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges for articles of indefinite length, i.e. bending a strip progressively using internal forming surfaces, e.g. mandrels
    • 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
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one 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
    • 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
    • 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
    • B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
    • B29C65/7832—Positioning the parts to be joined, e.g. aligning, indexing or centring by setting the overlap between the parts to be joined, e.g. the overlap between sheets, plates or web-like materials
    • 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
    • B29C66/022—Mechanical pre-treatments, e.g. reshaping
    • B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
    • B29C66/02241—Cutting, e.g. by using waterjets, or sawing
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124—Tongue and groove joints
    • B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
    • B29C66/12441—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue being a single wall
    • 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
    • B29C66/14—Particular design of joint configurations particular design of the joint cross-sections the joint having the same thickness as the thickness 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
    • B29C66/40—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
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • 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
    • B29C66/49—Internally supporting the, e.g. tubular, article during joining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • 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
    • B29C66/723—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 multi-layered
    • 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
    • B29C66/70—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
    • B29C66/814—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 design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81422—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being convex
    • 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
    • B29C66/814—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 design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81423—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
    • 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
    • B29C66/814—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 design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81457—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a block or layer of deformable material, e.g. sponge, foam, rubber
    • 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
    • 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
    • B29C66/80—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
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83521—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on bands or belts
    • 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
    • B29C66/03—After-treatments in the joint area
    • B29C66/034—Thermal after-treatments
    • B29C66/0342—Cooling, e.g. transporting through welding and cooling zone
    • 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
    • B29C66/723—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 multi-layered
    • B29C66/7232—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 multi-layered comprising a non-plastics layer
    • B29C66/72327—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 multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper
    • 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
    • B29C66/737—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 state of the material of the parts to be joined
    • B29C66/7371—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 state of the material of the parts to be joined oriented or heat-shrinkable
    • B29C66/73711—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 state of the material of the parts to be joined oriented or heat-shrinkable oriented
    • 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
    • B29C66/737—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 state of the material of the parts to be joined
    • B29C66/7371—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 state of the material of the parts to be joined oriented or heat-shrinkable
    • B29C66/73715—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 state of the material of the parts to be joined oriented or heat-shrinkable heat-shrinkable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007—Running or continuous length work
    • Y10T156/1008—Longitudinal bending
    • Y10T156/1013—Longitudinal bending and edge-joining of one piece blank to form tube
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1062—Prior to assembly
    • Y10T156/1066—Cutting to shape joining edge surfaces only
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Laminated Bodies (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Package Closures (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Description

【発明の詳細な説明】 本発明はシール可能材料からなるウェブ乃至シートのエ
ッジを結合する方法、特にウェブ乃至シートからチュー
ブを製造する際における前記結合方法並びに該方法を実
現するための装置に関するものてある。
例えば包装技術において、容器を製造する際、包装材の
シート乃至ウェブを当該シート乃至ウェブの長手方向エ
ッジを互いに締結することによりチューブへと折り曲げ
ることがしばしば行なわれ、かくして成形されたチュー
ブは容器本体又は補強ケーシングとして種々の態様て利
用される。
前述のタイプのチューブは熱収縮性シート材を用いて成
形可能であることは周知である。そのような収縮性物質
は例えば押出された発泡プラスチックフィルムを製造の
際伸延することにより得ることが出来、その結果前記フ
ィルムは細長い伸延セルを備えたセル状構造を得る。そ
のような１伸延されたョ発泡プラスチック材例えばポリ
スチレン発泡プラスチックは当該プラスチックの軟化温
度に加熱されると収縮し、前記セルの故にその通常の球
状形状へと復帰する。前述のタイプの発泡プラスチック
材はカップ及びその類いの収縮成形に用途があり、この
場合前記材質からなる円筒乃至ケーシングは輪部を付け
たマンドレルのまわりに置かれ収縮温度に加熱されると
前記円筒乃至ケーシングは収縮し当該マンドレルの形状
になろう。カップ形状を得ている収縮ケーシングは冷却
後マンドレルから除去することが出来る。前述の一如く
、円筒状のケーシングはカップ乃至他の容器体の収縮成
形における開始素材として用いられており、このケーシ
ング自体は収縮性材質の平板シート乃至ウェブから作ら
れている。もしも前記材質がもつぱら発泡プラスチック
か．ら構成されている場合には当該材質の機械的特性は
劣つたものとなつてしまう。
というのは発泡プラスチック材はもともと剛性が比較的
低いものであるし、引張り強度が極めて低いものだから
である。もしも発泡プラスチック材を均質なプラスチ・
ツク層に積層してやれば引張り強度の観点からはずつと
良好な材質を得ることが可能であり、そのような積層材
は収縮成形に用いることが出来るのが知られている。と
いうのは外側の均質プラスチック層はこの収縮作用によ
り発泡プラスチック層とともに成形されるからである。
そのような積層材は中央のポリスチレン発泡プラスチッ
ク層と外側の均質ポリスチレン層から構成することが可
能であり、比較的に剛固てある外側層は発泡プラスチッ
クの中心層によつて分離されることにより互いに比較的
大きな距離（約１ＷｒＩｎ又はそれ以上）離して配置さ
れているので、当該積層材はその重量にくらべて極めて
大きな剛性をノ備えることになる。
又引張り強度特性も大いに改善されることになる。とい
うのは、均質なプラスチック層は発泡プラスチック層よ
りも実質的に高い引張り強度を備えているからである。
もしも発泡プラスチック乃至前述の積層材のシ．一トが
該シートのエッジ領域を重ね合わせることによりチュー
ブに成形された場合には、結合領域はかなりの厚味を有
することになる。
というのは発泡プラスチックを有する積層材は例えば紙
乃至均質プラスチック材の如き相対応する材質よりも゛
ほとんどの場合厚味が大きいからである。この厚肉ジョ
イント領域はある点では見苦しいし、別の点では頂部及
び底部の取付けに関して気密性の問題を呈することにな
る。というのは前記ジョイントはケーシング乃至チュー
ブの周縁にかなりの不均一性を生するからである。更に
は、前述のタイプのオーバラップジョイントにおいては
、互いに対面する積層部のみが締結され、一方オーバラ
ップジョイントの内側及び外側層のみならず中心の発泡
プラスチック層は当該ジョイントに含まれないという不
具合が生ずる。これらの不都合は本発明によつて克服す
ることができる。
本発明によるときには、熱シール可能プラスチック材か
ら成るウェブ又はシートのエッジ領域を結合するための
方法であつて、ウェブ又はシートの両エッジ領域を互い
に相手に向かつて移動させると同時に該ウェブ又はシー
トを該エッジ領域の長手方向に運動させる段階と、該ウ
ェブ又はシートの一方のエッジ領域を切断装置を通して
案内する段階と、該一方のエッジ領域の厚さ方向に中央
部分を取除いて２つのエッジラグを形成する段階と、切
断によつて形成された該エッジラグの１つを折り曲げる
段階と、他方の切断されていないエッジ領域を前記一方
の切断されたエッジ領域の中央部分内に挿入する段階と
、折り曲げられたエッジラグをもとの位置に戻して結合
領域を形成する段階と、２つの結合されたエッジ領域か
ら成る結合領域に熱を加える段階と、該結合領域を圧縮
して表面を一緒に溶融し、もつて、気密性及び機械的耐
久性を備えた結合を得る段階とを具備するウェブ又はシ
ートのエッジ領域の結合方法が提供される。
また、本発明によるときには、この結合方法を実施する
ための結合装置が提供される。
以下付図を参照して本発明のより具体的な説明を行なう
。
以下の説明において、成形材は伸延ポリスチレン発泡プ
ラスチックの中央層を有する積層材から構成されており
、前記中央層は両側において均質ポリスチレン材の薄肉
層により被覆されており、層厚味の分布は積層材の厚味
の少なくとも８０％が中央層のみて占めており、当該積
層材の全厚味は１７Ｗ１から５ＴＷＬの間にあるものと
する。
前記積層材内に含まれる層の表面積当り重量の関して言
えは、中央発泡層並びに外側均質層は３０〜８０ｙ／イ
の表面積当り重量を備えている。そのような積層材の利
点は、それが同じ重量のプラスチック材でなるものに比
して大きな剛性を備えており、更に熱絶縁性に富んでい
るということてある。前述のタイプの積層材における通
常のオーバラップジョイントにおいてはジョイント領域
厚味が厚くなり、エッジがオーバラップジョイントとし
て結合されるレートの積層材から形成されたチューブ乃
至ケーシング上に見苦しい不連続部が生ずるはかりでな
く、強度がほとんどなくなつてしまう。というのはこの
場合全ての応力を支えなければならない実際の結合部は
積層材の均質な内側層とシーリング領域における外側層
との間のシーリング結合部から構成されるからである。
又積層材はそれが熱収縮性を備えるように処理されてい
る（伸延されている）ので、成形されたチューブ乃至ケ
ーシングはその横断方向に主たる収縮能力を備えている
と考えなければならない。簡明を期するために装置の方
を最初に詳細に述べ、その後に方法についての説明を行
なうことにする。第１図に示す本発明に係るケーシング
製造装置は２つの被駆動ホィール３間を移動するエンド
レスコンベアベルト１を有している。
コンベアベルト１上には例えばゴムのような弾性物質の
ブロックからなるキャリア２が配設されており、前記ブ
ロックは凹状の作業表面を備えている。コンベアベルト
１と平行して、互いに平行をなす２本の静止バー（すな
わち、静止した長手方向の支持板）４が配設されており
、該バーは凸状の転動表面を備えた幾つかのローラ７を
支持している。１つ又はそれ以上のローラ７は図示せぬ
装置即ち駆動装゛置により駆動することが出来る。
しかしながら、前記ローラ７の駆動は該駆動作用がコン
ベアベルト１の移動と同期して、キャリア２とローラ７
の加工表面との間に何らの１滑リョが無いようにしなけ
ればならない。第１図に示す装置は更に加熱装置６を有
しており、該装置６は放射熱をケーシング成形しようと
しているシート１０に向けて下向きに導くための幾つか
の放射要素からなつている。
更に、第１図の装置は幾つかのガイドレール及び操舵装
置を有しており、これらについては以下付図を参照して
より詳細に説明する。本装置は更にモータ８により駆動
されたロータリカッタディスク９を含む切断手段を有し
ている。カッタディスク９と同一平面内において、かつ
カッタディスク９近傍において、切断操作中に形成され
た切断材のエッジ領域を下向きに折り曲げるための要素
及びガイドプレート１４が配設されている。更に、番号
３６は加熱装置を示しており、これにより熱空気をシー
リング几ようとしているケーシング材の部分に向けて吹
き出すことが出来る。又番号４１及び４０はそれぞれ加
圧ローラ並びにカウンタローラを示している。ケーシン
グの製造に必要とされるシート材は１０による示されて
おり、完成したケーシングは符号２０により示されてい
る。第１図の装置はシート１０の送給側において２対の
キヤンバローラ１８，１９及び１５，１７を有しており
、これらのローラ間においてシート１０が導かれると同
時に加熱要素６により加熱され、シート１０はそれにカ
ーブ形状が付与されるという意味においてまずチューブ
へと成形される。第１図の断面Ａ−Ａに相当する第２図
においては、シート１０が詳細には説明しない一対の送
りローラ間に導かれ、次に加熱要素６下へと搬送され、
そこでシートの１つの側が加熱され収縮させられるので
シートには７ロールアツプョの傾向が付与されることに
なる。
最初平面であつたシート１０の変形は第２図に示すキヤ
ンバローラの助けをかりてコントロールされ、シート１
０が更に加熱された後該シートは第３図（第１図の断面
Ｂ−Ｂ）に示す成形ローラ１５，１７下に送られる。第
３図から明らかなようにローラ１５は単一片から構成す
る必要はなく同一軸線上に配設された数個の別個のロー
ラから構成することが出来る。第１図の断面Ｃ−Ｃを示
す第４図においては、凸状加工表面５を備えたローラ７
が平行静止バー４内に固定かつ支持されている様子並び
に積層材からなるシート１０がローラ７とコンベアベル
ト１のキャリア２との間に導入される様子が示されてい
る。ここに前記キャリアはサポート点１６においてコン
ベアベルト１のリンクに固定されている。かくてローラ
７及びキャリア２の間に導入されたシート１０は放射源
６により加熱され、放射源６に対面するシート１０の側
は反対側よりん強く加熱される。その結果加熱源に対面
する側におけるプラスチック材は軟化点迄加熱され、中
央の発泡プラスチック材のセル構造は該セルが通常の球
状形状に戻るよう変化する。このことはシート１０が加
熱源に対面する側に沿つて収縮することを意味しており
、シート１０は実質的に横断方向にのみ収縮可能てある
故、加熱作用の効果はシート１０を最初カーブ形状にし
次に円筒へと０ロールアツプョさせることになる。第５
図にはシート１０がカーブ形状を得、管状形状を占めよ
うとする様子が示されてている。成形をコントロールす
るために、シート１０の一方のエッジ２２は長手方向に
静止パー４に固定されたガイドプレート２３下へと導か
れる。図示のガイドプレート２３の助けを借りた成形は
第１図の断面Ｄ−Ｄ位置において発生し、断面Ｅ上にお
いてはシートエッジ２１及び２２は第６図に示す態様で
、ガイドプレート２３の続きを形成しているガイドバー
２４のスペース２５及び２６内へと導かれる。成形され
たケーシング１０の外側は第６図に示すように必要個所
において、例えばテフロンのような低摩擦材から作られ
ているのが好ましい外側静止支持フロック２７″により
取囲まれている。
前記支持ブロック２７″を介してシート１０のウェブエ
ッジ２１はスペース２５内に挿入することが可能であり
、前記スペース２５はガイドプレート２３にすぐ引き続
くガイドバー２４の１入口側ョにおいて当該ウェブエッ
ジの進入を容易ならしめるよう幅が広くされている。そ
の後ガイドスペース２５はウェブエッジの位置を正確に
画定するために幅を狭くされている。同様にしてガイド
スペース２６はガイドプレート２３が順次ガイドバー２
４に近付き最終的にウェブエッジ２２をガイドする割溝
乃至スペース２６へと変化するよう形成されている。な
お、ガイドプレート２３及び外側支持ブロック２７″は
、外側支持装置を構成する。第６図の断面は第１図の断
面Ｅ上に対応している。第７図に示す第１図の断面Ｆ−
Ｆにおいては、ガイドバー２４が変位してウェブエッジ
２１が垂直方向の正確な連続位置決め作用の間露出し、
一方シート１０がそのエッジ２１とともにモータにより
駆動されたロータリカッタディスク９を通りガイドされ
る様子が示されている。
積層材の中央発泡プラスチック層３０の厚味に等しいか
わずかに少ない幅を有するカッタディスク９は前記発泡
プラスチック層を所定の深さ迄切り取るが、一方外側の
均質プラスチック被覆層はこの切断作用によつて影響を
受けない。第１図の断面Ｇ−Ｇに相当する第８図にはカ
ッタディスク９の厚味に相対応する厚味を備えた固定ガ
イドプレート２７がカッタディスク９と同一平面内に配
設され、均質なエッジラグ突縁３１をガイドし離れたま
まに保持するべくウェブエッジ２１の切り取られた断面
内へとガイドされている様子が示されている。
第１図の断面Ｈ−Ｈに相対応する第９図からもわかるよ
うに、ガイドプレート２７にはスペース２６内にシート
エッジ２２のための上側支持エッジが消失するのと同時
に底部エッジラグ３１を順次折り下げるガイドエッジ３
２が設けられている。
底部エッジラグ３１はガイドエッジ３２の助けにより９
００又はそれ以上折り曲けられており、この折り曲げ位
置に保持されている。前記底部シ１−トエツジ２２は次
に順次上昇するガイドエッジ３２により、第１図断面１
−１に相当する第１０図に示す如く、シートエッジ２１
と同一の１垂直方向位置ョへと順次ガイドされる。第１
０図においては又上側エッジラグ３１が特別のガイドバ
ー３４を介して少し上向きに折り曲げられる様子が示さ
れている。前記シートエッジ２２はガイドエッジ３３を
介して、第１図の断面Ｊ−Ｊをあられす第１１図の位置
へとガイドされる。この位置において底部エッジラグ３
１はガイドバー３５により所望の位置に戻され保持され
ており、シートエッジ２２は前記ガイドバー３４及び３
５の間において定位置に保持されている。第１図の断面
Ｋ−Ｋに対応する第１２図においては、熱空気が熱空気
ノズル３６の助けにより、わずかに離されたエッジラグ
３１に向けてかつ又シートエッジ２２のエッジ領域に向
けて吹き付けられている様子が示されている。
熱空気により均質プラスチック材（例えばポリスチレン
）のエッジラグ３１のみならず前記エッジ領域２２はシ
ーリング温度に迄加熱される。第１３図においては、加
熱され結合されたシート１０のエッジ領域２１及ひ２２
を加圧ローラ４０及び４１の間て互いに加圧せしめるこ
とにより前記エッジ領域が気密性にすぐれ機械的突耐久
性のあるジョイントとして互いにシールされる様子が示
されている。最後に、第１４図においては本発明に従つ
て製造されたケーシング２０内の大きく拡大したジョイ
ント部分が示されており、同図からもわかるように、シ
ートエッジ２１及び２２は中央の発泡プラスチック層３
０がエッジ同士を接して同一レベル上に位置しており、
一方シートエッジ２１の自由エッジラグ３１はシートエ
ッジ２２の外側均質プラスチック層とオーバラップする
ように互いに締結されている。前述したように、エッジ
ラグ３１は、シート本発明２２の均質プラスチック層に
熱シールされているので、見苦しい不連続部は最少に押
えられた状態において強固なジョイントが得られている
。本発明を用いることにより、高能力の収縮性発．泡プ
ラスチックからなるプラスチックケーシングを製作可能
であり、結合部が一様かつ強固てあるために、例えば収
縮を介した連続成形によりドラム又はフラスコ状容器を
製造する等のケーシングの後加工が大いに簡単化される
。
前述の発泡プラスチック積層材以外の材料を用いること
も本発明の範囲内に含まれるものであり、中央積層部と
して発泡プラスチックの代りに紙又はボール紙の如き繊
維状物質を用いることも出来る。本発明の実施例の説明
においては、熱収縮性の積層ウェブ又はシートを用いる
場合について記述したが、本発明は熱収縮性の材料でな
るウェブ又はシートのみ適用されると解すべきではなく
、本発明は熱シール可能プラスチック材でなるウェブ又
はシートにひろく適用し得るものである。更には積層材
の中心層がロータリカッタディスクの助けにより除去さ
れるというのは絶対条件ｊではなく、前記中央層を化学
処理により切り取るか除去したり、あるいは又該中央層
を強い熱作用下にさらしてセル状織織を破壊し、発泡プ
ラスチック層が均質層間へと後退するようにしてやるこ
とも又許容される。本発明の好ましい実施例を記載する
に当つては、エッジラグ３１の一方が折り下げられ、シ
ート１０のエッジ２２はガイドエッジ３３により垂直方
向に持ち上げられるように書かれている（第９図及び第
１０図並びに関連する説明を参照）が、単にラグ３１を
互いに分離してシート１０の端部２２を水平移動又は水
平と垂直移動の組合せにより挿入してやることも可能で
ある。
【図面の簡単な説明】
第１図は本発明に従つてチューブ又はケーシングの製造
を行なうための装置の横面図、第２図は前記装置のＡ−
Ａ断面図、第３図は同装置のＢ−Ｂ断面図、第４図は同
装置のＣ−Ｃ断面図、第５図は同装置のＤ−Ｄ断面図、
第６図は同装置のＥ一Ｅ断面図、第７図は同装置のＦ−
Ｆ断面図、第８図は同装置のＧ−Ｇ断面図、第９図は同
装置のＨ−Ｈ断面図、第１０図は同装置のＩ−１断面図
、第１１は同装置のＪ−Ｊ断面図、第１２図は同装置の
Ｋ−Ｋ断面図、第１３図は同装置のＬ一Ｌの断面図、第
１４図はケーシングジョイントの断面図てある。 １・・・・・コンベアベルト、２・・・・・・キャリア
、４・・・・・・静止バー、７・・・・・凸状ローラ、
６・・・・・・加熱装置、１０・・・・・・シート、９
・・・・・・ロータリカッタディスク、１４・・・・・
・ガイドプレート、１８，１９，１５，１７・・・・・
・キヤンバロール、２３・・・・ガイドプート、２４・
・・・・・ガイドバー、３６，４１，４０・・・・加熱
及び加圧装置、２１，２２・・・・・ウートのエッジ領
域、３１・・・・・エッジラグ。

Claims (1)

  1. 【特許請求の範囲】 １ 熱シール可能プラスチック材から成るウェブ又はシ
    ートのエッジ領域を結合するための方法であつて、ウェ
    ブ又はシートの両エッジ領域を互いに相手に向かつて移
    動させると同時に該ウェブ又はシートを該エッジ領域の
    長手方向に運動させる段階と、該ウェブ又はシートの一
    方のエッジ領域を切断装置を通して案内する段階と、該
    一方のエッジ領域の厚さ方向に中央部分を取除いて２つ
    のエッジラグを形成する段階と、切断によつて形成され
    た該エッジラグの１つを折り曲げる段階と、他方の切断
    されていないエッジ領域を前記一方の切断されたエッジ
    領域の中央部分内に挿入する段階と、折り曲げられたエ
    ッジラグをもとの位置に戻して結合領域を形成する段階
    と、２つの結合されたエッジ領域から成る結合領域に熱
    を加える段階と、該結合領域を圧縮して表面を一緒に溶
    融し、もつて、気密性及び機械的耐久性を備えた結合を
    得る段階とを具備するウェブ又はシートのエッジ領域の
    結合方法。 ２ 熱シール可能プラスチック材から成るウェブ又はシ
    ートのエッジ領域を結合するための装置であつて、ウェ
    ブ又はシートを移動させ且つ支持するためのキャリアを
    備えたエンドレスコンベアベルトと、該コンベアベルト
    と協働する複数のローラであつて、ウェブ又はシートが
    該ローラと該キャリアの間に配置されるように該コンベ
    アベルトに対してほぼ平行である静止した長手方向の支
    持板に固定された複数のローラと、静止した外側支持装
    置と、前記支持板に支持されたガイドバーとを有し、該
    外側支持装置及び該ガイドバーは一緒にウェブ又はシー
    トの両エッジ領域を互いに相手に向けて案内するように
    なつており、更に、一方のエッジ領域の厚さ方向の中央
    部分を取除いて２つのエッジラグを形成するためのロー
    タリカッタディスクを含む切断装置を有し、該カッタデ
    ィスクは該コンベアベルトにほぼ平行に配設されており
    、また、該切断装置によつて形成された前記エッジラグ
    のうちの１つを折り曲げるための装置と、他方の切断さ
    れていないエッジ領域を前記一方の切断されたエッジ領
    域の中央部分内に挿入するための装置と、この挿入後に
    ウェブ又はシートの両エッジ領域を加熱し且つ圧縮する
    ための装置とを有することを特徴とするウェブ又はシー
    トのエッジ領域の結合装置。
JP55102333A 1979-07-26 1980-07-25 ウエブ又はシ−トのエツジ領域の結合方法及びその装置 Expired JPS6049409B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH6936/79-0 1979-07-26
CH693679A CH642590A5 (de) 1979-07-26 1979-07-26 Verfahren und einrichtung zum verbinden der kantenbereiche von bahnen, insbesondere bei der herstellung eines schlauches.

Publications (2)

Publication Number Publication Date
JPS5648904A JPS5648904A (en) 1981-05-02
JPS6049409B2 true JPS6049409B2 (ja) 1985-11-01

Family

ID=4317375

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Country Link
US (1) US4331499A (ja)
EP (1) EP0023738B1 (ja)
JP (1) JPS6049409B2 (ja)
AR (1) AR222564A1 (ja)
AT (1) ATE6481T1 (ja)
AU (1) AU530702B2 (ja)
BR (1) BR8004673A (ja)
CA (1) CA1158534A (ja)
CH (1) CH642590A5 (ja)
DE (1) DE3066833D1 (ja)
ES (2) ES8105955A1 (ja)
PT (1) PT71617A (ja)

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* Cited by examiner, † Cited by third party
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DE3145967A1 (de) * 1981-11-20 1983-06-01 Hoechst Ag, 6230 Frankfurt Verfahren und vorrichtung zur bildung eines schlauches aus einer flachen bahn
EP0102616B1 (de) * 1982-09-07 1986-06-18 Tetra Laval Holdings & Finance SA Verfahren zum Erstellen eines Schlauchstückes aus einer flachen Bahn aus flexiblem Material und Vorrichtung zur Durchführung des Verfahrens
US4533421A (en) * 1984-04-25 1985-08-06 Pattridge Post Tension, Inc. Method for making a lap seam extruded tendon
JPH0397532A (ja) * 1989-09-12 1991-04-23 Bridgestone Corp 円筒体の成型装置
DE102008010588A1 (de) * 2008-02-22 2009-08-27 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Vorrichtung zur Herstellung eines Kantenschutzes
BG110848A (bg) * 2011-02-08 2012-08-31 "Мехатроника" Ад Метод и устройство за надлъжно заваряване на тръбни тела
CN103213273B (zh) * 2013-04-11 2015-09-09 三峡大学 发泡海绵卷圆接合成型装置
CN110997280B (zh) * 2016-06-01 2021-12-28 长管有限公司 管状组件的构造
KR20220038058A (ko) * 2019-07-19 2022-03-25 아이사팩 홀딩 에스에이 마찰이 감소된 구동 장치

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1013656A (en) * 1963-05-21 1965-12-15 Tetra Pak Ab A tube or tubular package formed from a packing laminate
GB1041117A (en) * 1963-05-21 1966-09-01 Tetra Pak Ab A packing laminate and a method of manufacturing a tube thereof
US3449186A (en) * 1965-01-13 1969-06-10 Tetra Pak Ab Method of splicing two sections of plastic coated web material
DE1511098A1 (de) * 1965-03-06 1969-07-24 Tepar Ag Verfahren zur Verbindung von blatt- oder bahnenfoermigem Material mittels eines ueberlappenden Saumes,und nach diesem Verfahren herstellbare Verpackung
US3332138A (en) * 1965-08-11 1967-07-25 Gen Cable Corp Method and apparatus for making precision sized tubing
US3650868A (en) * 1968-03-27 1972-03-21 Furukawa Electric Co Ltd Methods and apparatus for manufacturing pipe-shaped articles from foamed thermoplastic resin
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US4088526A (en) * 1971-12-23 1978-05-09 Owens-Illinois, Inc. Apparatus for fabricating thermoplastic containers
US3880194A (en) * 1973-02-20 1975-04-29 Gen Electric Electrical insulators
US4080235A (en) * 1974-08-15 1978-03-21 Ab Ziristor Method for providing a laminate web with a firm edge strip
SE385847B (sv) * 1974-08-15 1976-07-26 Ziristor Ab Sett att forse en laminatbana med fast kantremsa
FR2346138A1 (fr) * 1976-03-31 1977-10-28 Tetra Pak Dev Procede et dispositif pour la fabrication de recipients d'emballage
US4100003A (en) * 1976-10-20 1978-07-11 Western Electric Company, Inc. Method of and apparatus for preforming metal overlap edge with overlap die

Also Published As

Publication number Publication date
ES8203040A1 (es) 1982-02-16
ES493686A0 (es) 1981-07-01
BR8004673A (pt) 1981-02-10
AU6079480A (en) 1981-01-29
DE3066833D1 (en) 1984-04-12
EP0023738A1 (en) 1981-02-11
EP0023738B1 (en) 1984-03-07
JPS5648904A (en) 1981-05-02
PT71617A (de) 1980-08-01
ES8105955A1 (es) 1981-07-01
CA1158534A (en) 1983-12-13
AU530702B2 (en) 1983-07-28
AR222564A1 (es) 1981-05-29
ATE6481T1 (de) 1984-03-15
ES498336A0 (es) 1982-02-16
US4331499A (en) 1982-05-25
CH642590A5 (de) 1984-04-30

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