FI62024B - Foerfarande foer framstaellning av en zonfogfoerslutning speciellt pao en gavelfoersedd vikningskartong - Google Patents

Foerfarande foer framstaellning av en zonfogfoerslutning speciellt pao en gavelfoersedd vikningskartong Download PDF

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Publication number
FI62024B
FI62024B FI790940A FI790940A FI62024B FI 62024 B FI62024 B FI 62024B FI 790940 A FI790940 A FI 790940A FI 790940 A FI790940 A FI 790940A FI 62024 B FI62024 B FI 62024B
Authority
FI
Finland
Prior art keywords
welding
speciellt
zonfogfoerslutning
vikningskartong
gavelfoersedd
Prior art date
Application number
FI790940A
Other languages
English (en)
Other versions
FI62024C (fi
FI790940A (fi
Inventor
Gerhard Deimel
Paul Schmidt
Harald Sturm
Original Assignee
Jagenberg Werke Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jagenberg Werke Ag filed Critical Jagenberg Werke Ag
Publication of FI790940A publication Critical patent/FI790940A/fi
Publication of FI62024B publication Critical patent/FI62024B/fi
Application granted granted Critical
Publication of FI62024C publication Critical patent/FI62024C/fi

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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
    • 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
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/326—Shaping the burr, e.g. by the joining tool
    • 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
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • 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
    • B29C65/7841—Holding or clamping means for handling purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • B29C66/43122—Closing the top of gable top containers
    • 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
    • B29C66/72321—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 metals or their alloys
    • 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
    • B29C66/739—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
    • B29C66/81427—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 comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • 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
    • B29C66/81431—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 comprising a single cavity, e.g. a groove
    • 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
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/924—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/9241—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force or the mechanical power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/22—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding
    • B65B51/225—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding by ultrasonic welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • 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
    • B29C66/80—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
    • B29C66/832—Reciprocating joining or pressing tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2305/00—Use of metals, their alloys or their compounds, as reinforcement
    • B29K2305/02—Aluminium
    • 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
    • B29L2009/003—Layered products comprising a metal layer
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S53/00—Package making
    • Y10S53/02—High frequency electric sealing

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

Description

I —... KUULUTUSJULKAISU 6 0 Γ) 0 A Ή3Γα m <”)uTLAeONINO$SKI«IFT 62U24 *j>fpsk c (45) FatenUi mydnrulty 10 11 1932
Patent tneddelat v ^ (51) Ky.ik?/Int.ci.3 B 65 B 51/22 SUO HI —FINLAND (21) P»unttlh«k*mu· —P««nt»n*eiu»*n| 7909^0 (22) Hakaml*p«ivf~AMBknlnf(da| 20.03.79 (23) Alkupllvl—6lM|h«tida| 20.03.79 (41) Tullut lulklMkil — Wlvlt offmtlg 21.09.79 taantti· J* rekist«4h»mtus ^ NihUvik.lpron kuuLlulk^un pvm. - ’ 7
Patent· och regictantyralMn AmMcan utlagd och utl.akriftan publkarad ju. u {. Od (32)(33)(31) Pyritty atuelkaua—togtrd prlorttat 20.03.78
Saksan Liittotasavalta-Förbundsrepubliken Tyskland(DE) P 2812137.1 (71) Jagenberg-Werke AG, Hiimnelgeister Str. , D-1+000 Dösseldorf 1, Saksan Liittotasavalta-Förbundsrepubliken Tyskland(DE) (72) Gerhard Deimel, Opladen, Paul Schmidt, Dusseldorf, Harald Sturm,
Meerbusch, Saksan Liittotasavalta-Förbundsrepubliken Tyskland(DE) (7M Oy Kolster Ab (5^) Menetelmä vyöhykesaumaliitoksen valmistamiseksi erityisesti päädyn omaavaan taiverasiaan - Förfarande för framställning av en zonfog-förslutning speciellt pä en gavelförsedd vikningskartong
Keksinnön kohteena on menetelmä vyöhykesaumaliitoksen valmistamiseksi ultraäänihitsauksella erityisesti päädyn omaavaan taiverasiaan, joka on termoplastisella tekoaineella päällystettyä kar-tonkimateriaalia, jolloin vyöhykesauman taittamisen jälkeen sen hitsattavat alueet pidetään yhdessä valmistettavan hitsaussauman rasian sisustaan päin olevalla sivulla ulkoapäin hitsaussauman kanssa yhdensuuntaisesti ja pienen välin päässä tästä kulkevaa viivaa pitkin vaikuttavien puristusvoimien avulla ja nämä puristusvoimat vaikuttavat hitsaus- ja jäähdytystapahtuman ajan.
Tällaisen tunnetun menetelmän yhteydessä tuodaan vyöhyke-sauman keskenään hitsattavat alueet taiverasian päädyn taittamisen jälkeen niin kutsutun alasimen ja ultraääniaalloilla värähtelemään saatetun sonotrodin väliin. Käynnistämällä sonotrodi ultraääni-aalloilla pehmennetään keskenään hitsattavien alueiden vastakkain olevilla sivuilla oleva tekoainekerros ja hitsataan. Käytäntö on 2 62024 nyt osoittanyt, että erityisesti silloin., kun taiverasian sisäsivuilla on vielä lisäksi alumiinikalvo, ultraäänihitsauksella valmistettu vyöhykesauma ei voi sulkea taiverasiaa halutulla varmuudella. Vyöhykesaumaan muodostuu nimittäin kraaterimaisia avonaisia kohtia. (US-patenttijulkaisu 3 910 014).
Keksinnön päämääränä on parantaa alussa mainitunlaista menetelmää siten, että ultraäänihitsauksella voidaan valmistaa moitteeton, taiverasian tiivistävä vyöhykesauma.
Keksinnölle on tunnusomaista, että käytettäessä kartonki-materiaalia, jossa on sisäpuolinen alumiinifolio puristus vähenee hitsaussaumassa hitsaustapahtuman yhteydessä hitsaussauman keskustasta rasian sisustaan päin olevaa reunaa kohti jatkuvasti siten, että keskustasta reunaan päin työntyvä termoplastinen teko-aine muodostaa V-sauman.
Keksintö johti siihen yllättävään tulokseen, että tavanomaisten ultraäänihitsausmenetelmien avulla voidaan saada aikaan moitteeton, ts. kraatereista vapaa ja täysin tiivis vyöhykesauma taiverasian sulkemiseksi, jos molempia hitsattavia alueita hitsaustapahtuman aikana pidetään lujasti toisiaan vasten. Keksintö on tämän ratkaisun yhteydessä lähtenyt siitä tiedosta, että hitsaussauman keskenään hitsattavat alueet eivät kartonkimateriaa-lin paluuvoimien vuoksi pysy päädyn taittamisen jälkeen riittävän lujasti toisiaan vasten hitsaustapahtuman aikana hitsaussaumalle edestakaisin liikutetun sonotrodin suuresta taajuudesta huolimatta. Tämä epäkohta voidaan korjata keksinnön mukaisin äärimmäisen yksinkertaisin keinoin.
Seuraavassa selitetään keksintöä lähemmin piirustuksen yhteydessä, joka esittää hitsaustyökalujen osaa hitsauksen aikana.
Hitsausmenetelmää varten tarvittava hitsauslaite muodostuu alasimesta 1 ja sen kanssa yhteistoiminnassa olevasta, ultraäänen avulla työskentelevästä sonotrodista 2 hitsaustyökaluina. Sellainen hitsauslaite on periaatteessa tunnettu (US-patenttijulkaisu 3 468 731).
Alasimen 1 viereen on jättäen väliin rako 4 sovitettu taive-rasiaan 3 päin olevalle puolelle taittotyökalu 5 samalle kannat-timelle 6. Sonotrodin 2 viereen on jättäen väliin rakoa 4 vastapäätä oleva rako 7 sovitettu taiverasiaan 3 päin olevalle puolelle ensimmäisen taittotyökalun 5 kanssa yhteistoiminnassa oleva toinen taittotyökalu 8, joka on tuettu sonotrodin 2 ei-esitetylle kannat- 3 62024 tixnelle ei-esitetyn painejousen välityksellä. Hitsaus- ja taitto-työkalujen 1, 2, 5, 8 liike tapahtuu pihtimäisesti. Tämä voi tapahtua sinänsä tunnetun käytön avulla (saksalainen hakemusjulkaisu 2 520 400).
Kun taiverasian 3 vielä avoin mutta taittoviivat omaava pääty 9 siirretään poikittaisasennossa vielä avoimien taitto-työkalujen 5, 8 kohdalle, liikkuvat taittotyökalut 5, 8 pihtimäisesti toisiaan vasten ja saattavat tällöin päädyn 9 piirustuksessa esitettyyn taittoasentoon, jossa varsinainen hitsaus voi tapahtua.
Hitsaustapahtuman aikana pidetään keskenään hitsattavat, sisäpuolelta termoplastisella tekoaineella, esim. polyetyleenillä, päällystetyt vyöhykesauma-alueet 10, 11 yhdessä välittömästi tait-toviivojen 12, 13 yläpuolelta taittotyökalujen 5, 8 avulla vyö-hykesauman koko pituudelta. Pienen välin päässä taittotyökaluista 5, 8 tarttuvat hitsaustyökalut 1, 2. Niin pian kun sonotrodi 2 käynnistetään ultraääniaalloilla, pehmenee termoplastinen teko-aine ja se työntyy alasimen 1 jonkin verran kuperasti kaarevan pinnan vuoksi reunoja kohti siten, että tänne muodostuvat V-sau-mat 14, 15. Näillä V-saumoilla 14, 15 on huomattava merkitys sekä liitoksen mekaaniselle lujuudelle että myös sen tiiviydelle.
Sen jälkeen kun tällä tavalla on muodostettu hitsaussauma, voidaan ultraäänikäyttö kytkeä pois toiminnasta. Vyöhykesauma-alu-eita 10, 11 pidetään kuitenkin vielä lyhyen aikaa yhdessä taitto-työkalujen 5, 8 avulla, kunnes hitsaussauma on riittävästi jäähtynyt, jotta alueet voivat omin voimin pysyä yhdessä.
Koska keksinnön yhteydessä taittotyökalut 5, 8 Ottavat vastaan vyöhykesauma-alueiden 10, 11 mahdolliset paluuvoimat, pysyvät vyöhykesauma-alueet 10, 11 hitsaussauman alueella toisiaan vasten hitsaustapahtuman aikana. Mekaaniselle lujuudelle ja tiiviydelle haitallista kraaterien muodostumista ei esiinny enää hitsauksen aikana.
Keksinnön mukaisella menetelmällä on myös valmistustekniseltä kannalta sikäli etuja, ettei tarvita mitään lisätyökaluja vyö-hykesauma-alueiden yhdessä pitämiseksi, vaan sitä varten voidaan käyttää joka tapauksessa olemassa olevia,, mutta esillä olevassa tapauksessa yhdessä hitsaustyökalujen kanssa käytettyjä taitto-työkaluja.
FI790940A 1978-03-20 1979-03-20 Foerfarande foer framstaellning av en zonfogfoerslutning speciellt pao en gavelfoersedd vikningskartong FI62024C (fi)

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DE2812137 1978-03-20
DE2812137A DE2812137C2 (de) 1978-03-20 1978-03-20 Verfahren und Vorrichtung zum Herstellen eines Stegnahtverschlusses an einer insbesondere einen Giebel aufweisenden Faltschachtel aus mit thermoplastischem Kunststoff beschichtetem Kartonmaterial durch Ultraschallschweißen

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DD142322A5 (de) 1980-06-18
JPS6335409B2 (fi) 1988-07-14
FI62024C (fi) 1982-11-10
FI790940A (fi) 1979-09-21
SE7902460L (sv) 1979-09-21
CA1101810A (en) 1981-05-26
AT372043B (de) 1983-08-25
SE443766B (sv) 1986-03-10
DE2812137A1 (de) 1979-09-27
JPS54148075A (en) 1979-11-19
DE2812137C2 (de) 1985-06-27
ATA203679A (de) 1983-01-15
LU81063A1 (de) 1979-06-19
US4251303A (en) 1981-02-17

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