DE2324810C3 - Vorrichtung zum Heißversiegeln von thermoplastischen Folien oder mit thermoplastischem Kunststoff beschichteten Papier durch dielektrische Erhitzung - Google Patents

Vorrichtung zum Heißversiegeln von thermoplastischen Folien oder mit thermoplastischem Kunststoff beschichteten Papier durch dielektrische Erhitzung

Info

Publication number
DE2324810C3
DE2324810C3 DE2324810A DE2324810A DE2324810C3 DE 2324810 C3 DE2324810 C3 DE 2324810C3 DE 2324810 A DE2324810 A DE 2324810A DE 2324810 A DE2324810 A DE 2324810A DE 2324810 C3 DE2324810 C3 DE 2324810C3
Authority
DE
Germany
Prior art keywords
outer conductor
plate
side walls
thermoplastic
conductor
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
DE2324810A
Other languages
German (de)
English (en)
Other versions
DE2324810A1 (de
DE2324810B2 (de
Inventor
Gyula Malmoe Balla (Schweden)
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 AB
Original Assignee
Tetra Pak International AB
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 International AB filed Critical Tetra Pak International AB
Publication of DE2324810A1 publication Critical patent/DE2324810A1/de
Publication of DE2324810B2 publication Critical patent/DE2324810B2/de
Application granted granted Critical
Publication of DE2324810C3 publication Critical patent/DE2324810C3/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1403—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
    • B29C65/1425—Microwave radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1487—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 making use of light guides
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/23—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations
    • B29C66/232—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations said joint lines being multiple and parallel, i.e. the joint being formed by several parallel joint lines
    • 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
    • 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
    • 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
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
    • B29K2711/12—Paper, e.g. cardboard
    • B29K2711/123—Coated

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Composite Materials (AREA)
  • Chemical & Material Sciences (AREA)
  • Package Closures (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
DE2324810A 1972-05-23 1973-05-16 Vorrichtung zum Heißversiegeln von thermoplastischen Folien oder mit thermoplastischem Kunststoff beschichteten Papier durch dielektrische Erhitzung Expired DE2324810C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE672272A SE396033B (sv) 1972-05-23 1972-05-23 Anordning for vermeforsegling av termoplastmaterial eller termoplastbelagt pappersmaterial med utnyttjande av i materiamet uppkommande dielektriska forluster orsakade av ett hogfrekvent elektriskt felt

Publications (3)

Publication Number Publication Date
DE2324810A1 DE2324810A1 (de) 1973-12-06
DE2324810B2 DE2324810B2 (de) 1977-08-25
DE2324810C3 true DE2324810C3 (de) 1978-04-27

Family

ID=20269440

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2324810A Expired DE2324810C3 (de) 1972-05-23 1973-05-16 Vorrichtung zum Heißversiegeln von thermoplastischen Folien oder mit thermoplastischem Kunststoff beschichteten Papier durch dielektrische Erhitzung

Country Status (12)

Country Link
US (1) US4060443A (OSRAM)
JP (1) JPS5330752B2 (OSRAM)
AU (1) AU475732B2 (OSRAM)
CA (1) CA981339A (OSRAM)
CH (1) CH566859A5 (OSRAM)
DE (1) DE2324810C3 (OSRAM)
FR (1) FR2185489B1 (OSRAM)
GB (1) GB1432603A (OSRAM)
IT (1) IT987720B (OSRAM)
NL (1) NL181426C (OSRAM)
SE (1) SE396033B (OSRAM)
SU (1) SU511841A3 (OSRAM)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO770558L (no) * 1977-02-18 1978-08-21 Elopak As Fremgangsmaate til forsegling av et plastlokk til en beholder av plastbelagt kartong og anordning til utfoerelse av fremgangsmaaten
DE2824285A1 (de) * 1978-06-02 1979-12-06 Siemens Ag Hochfrequenz-schweisswerkzeug fuer thermoplastische kunststoffe oder thermoplastbeschichtetes papier
GB8404804D0 (en) * 1984-02-23 1984-03-28 Magnetronics Ltd Formation of seams
US4637199A (en) * 1985-01-30 1987-01-20 International Paper Company Induction sealing of paperboard
USRE33467E (en) * 1985-01-30 1990-12-04 International Paper Company Induction sealing of paperboard
SE451974B (sv) * 1985-08-22 1987-11-09 Tetra Pak Ab Sett och anordning for induktionsforsegling av termoplastbelagt forpackningsmaterial innefattande atminstone ett skikt av metallfolie
US4625088A (en) * 1985-11-07 1986-11-25 Gics Paul W Center wall with sloped ends for a microwave heat applicator
JPS62151323A (ja) * 1985-12-26 1987-07-06 Nippon Shigyo Kk 合成樹脂フイルムでラミネ−トされた板紙の接着方法
US4825625A (en) * 1986-12-17 1989-05-02 International Paper Company Sealing method and apparatus for high capacity aseptic form, fill, and seal machines
JPH0310830A (ja) * 1989-05-25 1991-01-18 Akzo Nv ループ形成装置
US5250773A (en) * 1991-03-11 1993-10-05 Mcdonnell Douglas Corporation Microwave heating device
SE9201280L (sv) * 1992-04-23 1993-10-24 Tetra Laval Holdings & Finance Anordning för ultraljudförsegling av termoplastiska material innefattande en vibrationsalstrare av s k jättemagneto- striktiv pulverkomposit
SE501712C2 (sv) * 1993-09-08 1995-05-02 Tetra Laval Holdings & Finance Anordning för försegling av termoplastbelagt förpackningsmaterial
US5710413A (en) * 1995-03-29 1998-01-20 Minnesota Mining And Manufacturing Company H-field electromagnetic heating system for fusion bonding
SE518499C2 (sv) * 2001-02-02 2002-10-15 Tetra Laval Holdings & Finance Anordning vid framställning av en förpackning eller ett förpackningsmaterial
GB0423013D0 (en) * 2004-10-16 2004-11-17 Stanelco Rf Technologies Ltd Product packaging
DE102006042540A1 (de) * 2006-09-11 2008-03-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichung zum mikrowellengeführten Verschweißen von thermoplastischen Formteilen, Verfahren und Verwendung des Verfahrens
DE102007059812A1 (de) * 2007-12-11 2009-06-18 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine mit Induktionsheizung
US20150083727A1 (en) * 2013-09-25 2015-03-26 Daniel D. Smolko Sealable containers
DE102014107157A1 (de) * 2014-05-21 2015-11-26 Elopak Systems Ag Verfahren und Vorrichtung zum Heißversiegeln von mehreren Lagen eines Laminats
US11780199B2 (en) 2016-06-03 2023-10-10 Lancan Systems Inc. Method and apparatus for forming containers
CA2969630A1 (en) 2016-06-03 2017-12-03 H. J. Paul Langen Method and apparatus for forming containers
US11772352B2 (en) 2020-04-20 2023-10-03 H. J. Paul Langen Method and apparatus for forming containers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2506626A (en) * 1944-05-20 1950-05-09 Girdler Corp High-frequency spot heater
US3109080A (en) * 1958-09-02 1963-10-29 Pungs Continuous di-electric heating of electrically non-conductive material
US3472721A (en) * 1966-01-24 1969-10-14 Research Inc Apparatus for lap joinder of plastic sheets

Also Published As

Publication number Publication date
DE2324810A1 (de) 1973-12-06
US4060443A (en) 1977-11-29
AU5545973A (en) 1974-11-14
CA981339A (en) 1976-01-06
SU511841A3 (ru) 1976-04-25
NL7306693A (OSRAM) 1973-11-27
AU475732B2 (en) 1976-09-02
SE396033B (sv) 1977-09-05
CH566859A5 (OSRAM) 1975-09-30
JPS4942774A (OSRAM) 1974-04-22
FR2185489B1 (OSRAM) 1977-02-11
NL181426B (nl) 1987-03-16
IT987720B (it) 1975-03-20
GB1432603A (en) 1976-04-22
JPS5330752B2 (OSRAM) 1978-08-29
NL181426C (nl) 1987-08-17
FR2185489A1 (OSRAM) 1974-01-04
DE2324810B2 (de) 1977-08-25

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8328 Change in the person/name/address of the agent

Free format text: MUELLER, H., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN