SU511841A3 - Устройство дл образовани сварных швов на термопластическом материале - Google Patents

Устройство дл образовани сварных швов на термопластическом материале

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Publication number
SU511841A3
SU511841A3 SU1932281A SU1932281A SU511841A3 SU 511841 A3 SU511841 A3 SU 511841A3 SU 1932281 A SU1932281 A SU 1932281A SU 1932281 A SU1932281 A SU 1932281A SU 511841 A3 SU511841 A3 SU 511841A3
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USSR - Soviet Union
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pipe
plate
shaped
thickness
metal
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SU1932281A
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English (en)
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Балла Гуйла
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Тетра Пак Интернэшнл Аб (Фирма)
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10Applying or generating heat or pressure or combinations thereof
    • B65B51/22Applying 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/04Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining 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
    • B29C65/1403Joining 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
    • B29C65/1425Microwave radiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining 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
    • B29C65/1487Joining 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint 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
    • B29C66/112Single lapped joints
    • B29C66/1122Single lap to lap joints, i.e. overlap joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/20Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/23Particular 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
    • B29C66/232Particular 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General 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
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43Joining a relatively small portion of the surface of said articles
    • B29C66/431Joining the articles to themselves
    • B29C66/4312Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General 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
    • B29C66/72General 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
    • B29C66/723General 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
    • B29C66/7232General 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
    • B29C66/72327General 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
    • B29C66/72328Paper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General 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
    • B29C66/73General 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
    • B29C66/739General 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
    • B29C66/7392General 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
    • B29C66/73921General 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/83General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832Reciprocating joining or pressing tools
    • B29C66/8322Joining or pressing tools reciprocating along one axis
    • B29C66/83221Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General 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
    • B29C66/71General 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2711/00Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
    • B29K2711/12Paper, e.g. cardboard
    • B29K2711/123Coated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Package Closures (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Claims (10)

  1. Опорный прижим выполнен металличв ским и имеет металлические пружины дл  взаимодействи  с трубой. Труба в осевом направлении искривлена. Она может иметь S -образную, V образную , или L --образную форму. / Свободный конец пластины имеет топ-, щину, большую толщины пластины. На фиг. 1 изображено предложенное .устройство, поперечное сечение; на фиг. 2 то же, перспективное изображение; на фиг. 3 устройство S -образным исполне нием трубы; на фиг. 4 - специальна  форма конструкции свободного конца пластины. Устройство дл  образовани  сварных шво на термопластическом материале снабжено нагревательным элементом, выполненным в виде трубы, внутри которой по e§ оси уста новлена металлическа  пластина 1, прикрепленна  одним концом к. торцу 2 трубы, при этом труба и пластина соединены при помощи проводника, представл ющего собой ко аксиальный кабель 3 с центральным провод НИКОМ 4 и экранным проводником 5, с гене ратором 6 высокой частоты. Труба в поперечном сечении имеет пр моугольную форму, противополохшые стенки 7 последней параллельны и образуют воздушиыйзазор 8. В случае, если противоположные стенки трубы выполнены наклонными одна к другой в продольном направлении, пластина имеет уменьшающуюс  вдоль оси трубы толщину, при этом в любом поперечном сечении труб соотношение между толщиной пластины и рассто нием между противоположными стенками трубы одинаково. Устройство снабжено опорным прижимом 9 дл  поджати  упаковочного материала 1О выполненным металлическим и имеющим металлические пружины 11 дл  взаимодействи  с трубой. Труба в осевом направлении может быть искривлена и может иметь S -образную, V «образную и L --образную форму.. Свободный коиец 12 пластины имеет толщину, бйльщую толщины пластины. Устройство подгон ют к балке 13, кото ра  соединена с движущим механизмом за«« жимного приспособлени  сжати  и служит в качестве поддерживающего элемента. Устройство дл  образовани  сварных щв на термопластическом материале работает следующим образом. Упаковочный материал 1О подают меж™ .ду свободным концом 12 пластины 1 и опо ным прижимом 9. При этом при помощи металлических пружин 11 между, противопо ложными стенками 7 трубы и опорным при жимом 9 возникает контакт. Затем включают генератор 6 высокой частоты. К нагревательному элементу идет ток через коаксиальный кабель 3, центральный проводник 4 которого, соединен с металлической пластиной 1, а экранный проводник б - с ротивоположными стенками трубы. Благо дар  высокой частоте н концентрированному электрическому полю тепло выдел етс  в упаковочном материале в пределах очень узкого участка, температура составл ет 150°С. Слои упаковочного термопластиче ского материала, обращенные друг к другу, сплавл ютс  в однородный и прочный шов. Высота воздущного зазора 8 Находитс  в зависимости от частоты, при которой ра ботает генератор. При большой высоте воз, душного зазора генератор работает на более низкой частоте,- .:- Bbicota воздушного зазора-, а следова- тельно, и высота нагревательного элемента , могут быть уменьшены в результате искривлени  трубы в осевом направлении. При этом труба может иметь ,S -образную , V г-образную и L -образную форму, но непременным условием при этом  вл етс  строга  параллельность противополож) ных стенок. Необходимость получени  двух параллельных сварных ЩВОБ (дл  последующего разрезани  в участках герметической заделки ) привело к такому изготовлению. пластины, при котором ее свободный -конед имеет толщину, большую толщины самой пластины. В этом случае благодар  налип чию двух выступающих частей-получают два концентрированных электрических пол  на некотором рассто нии одно от другого. Формула изобретени  1. Устройство дл  образовани  сварных щвов на термопластическом материале, содержащее нагревательный элемент, выполненный в виде металлической трубы, и ме|таллический опорный , соединенный с концом указанной трубы, отличающ е е с   . тем, что, с целью повышени  качества швов, внутри трубы по ее оси установлена металлическа  пластина, прикрепленна  одним концом к опорному при  жиму, при этом труба и пластина соединены при помощи проводника с генерато ,ром высокой частоты, имеющего коаксив альный тип и внешней частью соединенного с металлической трубой, а внутренней частью соединенного с металлической пластиной. 2. Устройство поп. 1,отлича ю™. щ е е с   тем, что труба в поперечном се- чении имеет пр моугольную форму.
  2. ,6
  3. 3.Устройство по п. 2, о т л и ч а юш е е с   тем, что противоположные сте ки трубы параллельны между собой.
  4. 4.Устройство по п, 2, о т л и ч а е е с   тем, что противоположные стен ки трубы наклонены одна к другой в про дольном направлении, а пластина имеет уменьшающуюс  вдоль оси трубы толщину, при этом в любом поперечном сечении трубы соотношение между толщиной пластины и рассто нием между противоположными стенками трубы одинаково.
  5. 5.Устройство поп. 1,отлича ющ е е с   тем, что опорный прижим имеет металлические пружины дл  взаимодействи  с трубой.
    6
  6. 6.Устройство по п. 1, отлнча е е с   тем, что труба в осевом направ лении искривлена.
  7. 7.Устройство поп. 6, отлича ю« щ е е с   тем, что труба имеет 3 -образную форму
  8. 8.Устройство по п. 6, о т л и ч а ю |щ е е с   тем, что труба имеет V -образную форму.
  9. 9.Устройство по п. 6, о т л и ч а ющ е ее   тем, тчто труба имеет L.o6-. разную форму.
  10. 10.Устройство по п. 1, о т л и ч а ю щ е е с   тем, что свободный конец пла стины имеет толщину, больц1ую толщин|и цластины.
    10
    Фи2.1
    Фи.
SU1932281A 1972-05-23 1973-05-22 Устройство дл образовани сварных швов на термопластическом материале SU511841A3 (ru)

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

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SU511841A3 true SU511841A3 (ru) 1976-04-25

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

Families Citing this family (22)

* Cited by examiner, † Cited by third party
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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
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US11780199B2 (en) 2016-06-03 2023-10-10 Lancan Systems Inc. Method and apparatus for forming containers
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Also Published As

Publication number Publication date
IT987720B (it) 1975-03-20
JPS5330752B2 (ru) 1978-08-29
AU5545973A (en) 1974-11-14
DE2324810C3 (de) 1978-04-27
GB1432603A (en) 1976-04-22
US4060443A (en) 1977-11-29
NL7306693A (ru) 1973-11-27
AU475732B2 (en) 1976-09-02
FR2185489B1 (ru) 1977-02-11
DE2324810A1 (de) 1973-12-06
NL181426C (nl) 1987-08-17
JPS4942774A (ru) 1974-04-22
CH566859A5 (ru) 1975-09-30
FR2185489A1 (ru) 1974-01-04
NL181426B (nl) 1987-03-16
DE2324810B2 (de) 1977-08-25
SE396033B (sv) 1977-09-05
CA981339A (en) 1976-01-06

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