ES2228295T1 - Dispositivo para soldar un material de embalaje. - Google Patents

Dispositivo para soldar un material de embalaje.

Info

Publication number
ES2228295T1
ES2228295T1 ES02782610T ES02782610T ES2228295T1 ES 2228295 T1 ES2228295 T1 ES 2228295T1 ES 02782610 T ES02782610 T ES 02782610T ES 02782610 T ES02782610 T ES 02782610T ES 2228295 T1 ES2228295 T1 ES 2228295T1
Authority
ES
Spain
Prior art keywords
ferromagnetic
welding
magnetic field
packing material
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
ES02782610T
Other languages
English (en)
Inventor
Jacques Thomasset
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.)
Aisapack Holding SA
Original Assignee
Aisapack Holding 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 Aisapack Holding SA filed Critical Aisapack Holding SA
Publication of ES2228295T1 publication Critical patent/ES2228295T1/es
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K13/00—Welding by high-frequency current heating
    • B23K13/01—Welding by high-frequency current heating by induction heating
    • B23K13/02—Seam welding
    • B23K13/025—Seam welding for tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K13/00—Welding by high-frequency current heating
    • B23K13/01—Welding by high-frequency current heating by induction heating
    • B23K13/02—Seam welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B29C65/3656—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint being a layer of a multilayer part to be joined, e.g. for joining plastic-metal laminates
    • 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
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3668—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the means for supplying heat to said heated elements which remain in the join, e.g. special induction coils
    • 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
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3672—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint
    • B29C65/3676—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic
    • B29C65/368—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic with a polymer coating
    • 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
    • B29C66/432—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
    • B29C66/70—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
    • B29C66/80—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
    • B29C66/81—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
    • B29C66/812—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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8126—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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • 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
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
    • B29K2995/0008—Magnetic or paramagnetic
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Package Closures (AREA)
  • General Induction Heating (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Basic Packing Technique (AREA)

Abstract

Dispositivo para soldar un material de embalaje móvil (1) que comprende una capa que puede ser calentada por inducción electromagnética y una capa termoplástica que incorpora una zona de soldadura (2) que está dispuesta en la dirección del movimiento del material de embalaje; comprendiendo el dispositivo de soldadura un generador de corriente alterna, una bobina (3, 5, 6) para transformar la corriente alterna en un campo magnético, un elemento ferromagnético (7, 8, 10-13) para encauzar las líneas del campo magnético en una dirección determinada, estando el campo magnético orientado de manera que atraviesa el material de embalaje (1) para inducir el calentamiento de la capa que puede ser calentada por inducción electromagnética; estando el dispositivo de soldadura caracterizado porque comprende una serie de elementos ferromagnéticos (7, 8, 10-13, 19-21) que están dispuestos de manera que las líneas del campo magnético atraviesen el material de embalaje (1) por lo menos en dos zonas distintas(14, 16-18) localizadas a lo largo de la zona de soldadura.

Claims (8)

1. Dispositivo para soldar un material de embalaje móvil (1) que comprende una capa que puede ser calentada por inducción electromagnética y una capa termoplástica que incorpora una zona de soldadura (2) que está dispuesta en la dirección del movimiento del material de embalaje; comprendiendo el dispositivo de soldadura un generador de corriente alterna, una bobina (3, 5, 6) para transformar la corriente alterna en un campo magnético, un elemento ferromagnético (7, 8, 10-13) para encauzar las líneas del campo magnético en una dirección determinada, estando el campo magnético orientado de manera que atraviesa el material de embalaje (1) para inducir el calentamiento de la capa que puede ser calentada por inducción electromagnética; estando el dispositivo de soldadura caracterizado porque comprende una serie de elementos ferromagnéticos (7, 8, 10-13, 19-21) que están dispuestos de manera que las líneas del campo magnético atraviesen el material de embalaje (1) por lo menos en dos zonas distintas (14, 16-18) localizadas a lo largo de la zona de soldadura.
2. Dispositivo según la reivindicación anterior, caracterizado porque un primer elemento ferromagnético (7) está dispuesto en la proximidad de un lado del material de embalaje (1) de manera que cada uno de sus extremos está situado en la proximidad de una o de la otra de dichas zonas distintas (14, 16-18) y porque un segundo (8, 10-12) y un tercer (8, 10-12) elemento ferromagnético se sitúan en el otro lado del material de embalaje (1), de manera que uno de los extremos del segundo elemento se dispone en la proximidad de una de dichas zonas distintas (14, 16-18) y de manera que uno de los extremos del tercer elemento se sitúa en la proximidad de otra de dichas zonas distintas (14, 16-18).
3. Dispositivo según la reivindicación anterior, caracterizado porque los extremos de los tres elementos ferromagnéticos (7, 8, 10) dispuestos en la proximidad de y sobre ambos lados de la capa a soldar están separados por una distancia que representa entre 2 y 200 veces, preferentemente entre 2 y 50 veces, el espesor de la capa a soldar.
4. Dispositivo según la reivindicación 2 ó 3, caracterizado porque el segundo (8, 10-12) y el tercer (8, 10-12) elementos ferromagnéticos están rodeados por una bobina (3, 5, 6).
5. Dispositivo según la reivindicación 1, caracterizado porque una pluralidad de elementos ferromagnéticos (19-21) están dispuestos de manera alternativa en la proximidad de cada lado del material de embalaje, de manera que cada extremo de un elemento ferromagnético (19-21) está dispuesto en la parte superior o inferior del extremo (19, 21) de otro elemento ferromagnético.
6. Dispositivo según cualquiera de las reivindicaciones anteriores, caracterizado porque una serie de elementos ferromagnéticos (7, 8, 10, 11, 19-21) forma un circuito ferromagnético, estando un elemento ferromagnético (7, 8, 10, 11, 19-21) rodeado por una bobina (6).
7. Dispositivo según cualquiera de las reivindicaciones anteriores, caracterizado porque comprende una ó más pantallas magnéticas dispuestas entre los elementos ferromagnéticos no adyacentes (7, 8, 10, 11, 19-21).
8. Dispositivo según cualquiera de las reivindicaciones anteriores, caracterizado porque una parte de las barras ferromagnéticas (7, 19, 21) está dispuesta en una varilla de soldadura 23, comprendiendo ésta última un elemento de pantalla, realizado por ejemplo en cobre o en aluminio, dispuesto de manera que contenga las líneas del campo en las barras ferromagnéticas (7, 19, 21).
ES02782610T 2001-12-20 2002-12-16 Dispositivo para soldar un material de embalaje. Pending ES2228295T1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH235520/01 2001-12-20
CH23552001 2001-12-20

Publications (1)

Publication Number Publication Date
ES2228295T1 true ES2228295T1 (es) 2005-04-16

Family

ID=4568752

Family Applications (1)

Application Number Title Priority Date Filing Date
ES02782610T Pending ES2228295T1 (es) 2001-12-20 2002-12-16 Dispositivo para soldar un material de embalaje.

Country Status (16)

Country Link
US (1) US7002117B2 (es)
EP (1) EP1458514B1 (es)
JP (1) JP4510460B2 (es)
KR (1) KR20040071735A (es)
CN (1) CN1309525C (es)
AT (1) ATE410259T1 (es)
AU (1) AU2002347188B2 (es)
BR (1) BR0215165B1 (es)
CA (1) CA2470077A1 (es)
DE (2) DE60229294D1 (es)
ES (1) ES2228295T1 (es)
HK (1) HK1075862A1 (es)
MX (1) MXPA04005916A (es)
RU (1) RU2301730C2 (es)
TR (1) TR200403719T3 (es)
WO (1) WO2003053626A2 (es)

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WO2014027565A1 (ja) * 2012-08-17 2014-02-20 新日鐵住金株式会社 電縫管溶接装置
EP3154767B1 (en) 2014-06-12 2019-11-20 Tetra Laval Holdings & Finance SA An induction heating device
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EP3241667B1 (en) 2016-05-02 2020-07-08 Tetra Laval Holdings & Finance S.A. Improved induction sealing system
RU2759707C2 (ru) 2017-05-30 2021-11-17 Тетра Лаваль Холдингз Энд Файнэнс С.А. Устройство для запечатывания верха упаковки для пищевого продукта и система для формирования и заполнения упаковки с пищевым продуктом
BR112019025761B1 (pt) * 2017-07-17 2023-12-26 Tetra Laval Holdings & Finance S.A. Bobina indutora para soldagem, dispositivo e máquina de vedação, e, método para fabricação de bobina indutora
JP2020527519A (ja) 2017-07-18 2020-09-10 テトラ ラバル ホールディングス アンド ファイナンス エス エイ 誘導シール装置
DE102018203904A1 (de) 2018-03-14 2019-09-19 Robert Bosch Gmbh Vorrichtung zum Siegeln einer Verpackung
CN108639456A (zh) * 2018-04-23 2018-10-12 佛山市奥耶克思机械设备有限公司 包装机的电磁感应热封装置
RU184919U1 (ru) * 2018-06-13 2018-11-14 Федеральное государственное бюджетное учреждение науки Институт проблем нефти и газа Сибирского отделения Российской академии наук Устройство для сварки сверхвысокомолекулярного полиэтилена
CN109263052B (zh) * 2018-09-03 2021-02-09 马鞍山市鑫程纳米新材料科技有限公司 一种塑料薄膜热合机
CN112672875B (zh) 2018-09-10 2023-03-28 利乐拉瓦尔集团及财务有限公司 用于形成管的方法以及用于形成包装的方法和包装机
EP3623301B1 (en) 2018-09-11 2021-07-14 Tetra Laval Holdings & Finance S.A. Packaging apparatus for forming sealed packages
CN113579450B (zh) * 2021-07-07 2023-03-24 宁波微鹅电子科技有限公司 一种电磁焊接结构

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AU2002347188A1 (en) 2003-07-09
DE02782610T1 (de) 2005-05-04
US20050133496A1 (en) 2005-06-23
TR200403719T3 (tr) 2005-08-22
RU2301730C2 (ru) 2007-06-27
JP2005512847A (ja) 2005-05-12
WO2003053626A3 (fr) 2004-02-26
HK1075862A1 (en) 2005-12-30
CN1309525C (zh) 2007-04-11
BR0215165B1 (pt) 2013-09-03
WO2003053626A2 (fr) 2003-07-03
DE60229294D1 (de) 2008-11-20
CN1606484A (zh) 2005-04-13
KR20040071735A (ko) 2004-08-12
ATE410259T1 (de) 2008-10-15
US7002117B2 (en) 2006-02-21
EP1458514B1 (fr) 2008-10-08
BR0215165A (pt) 2004-10-19
EP1458514A2 (fr) 2004-09-22
MXPA04005916A (es) 2005-05-16
RU2004122099A (ru) 2005-03-27
JP4510460B2 (ja) 2010-07-21
CA2470077A1 (en) 2003-07-03
AU2002347188B2 (en) 2008-04-03

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