DE829034C - Method and device for heat treatment, preferably for welding, of foils made of thermoplastic material by dielectric means - Google Patents

Method and device for heat treatment, preferably for welding, of foils made of thermoplastic material by dielectric means

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Publication number
DE829034C
DE829034C DEL1639A DEL0001639A DE829034C DE 829034 C DE829034 C DE 829034C DE L1639 A DEL1639 A DE L1639A DE L0001639 A DEL0001639 A DE L0001639A DE 829034 C DE829034 C DE 829034C
Authority
DE
Germany
Prior art keywords
electrode
film
welded
holding body
serving
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
DEL1639A
Other languages
German (de)
Inventor
Tankred Von Hauteville
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz 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 Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Priority to DEL1639A priority Critical patent/DE829034C/en
Application granted granted Critical
Publication of DE829034C publication Critical patent/DE829034C/en
Expired legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • B29C66/10—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
    • B29C66/114—Single butt 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/61—Joining from or joining on the inside
    • 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
    • B29C66/81262—Electrical and dielectric properties, e.g. electrical conductivity
    • B29C66/81263—Dielectric properties
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

Verfahren und Vorrichtung zur Wärmebehandlung, vorzugsweise zum Verschweißen, von Folien aus thermoplastischem Material auf dielektrischem Wege I)ie Irtindung befaßt sich mit einem Verfahren zur Wärmebehandlung, vorzugsweise zum Verschweißen, von Folien aus thermoplastischem Ätaterial, wie es l>eispielsveise bei der Herstellung von N'erpackungskästen. -schachteln, Taschen, Schuhen u. dgl. anwendbar ist. Process and device for heat treatment, preferably for welding, of films made of thermoplastic material by dielectric means I) the discovery deals with a process for heat treatment, preferably for welding, of foils made of thermoplastic material, as is the case for example during manufacture of packing boxes. -Boxes, bags, shoes and the like. Applicable.

Bei diesen genannten Gegenständen wird es oft notwendig, daß zwei oder mehrere Folien miteinander verschweißt werden müssen, die gegeneinander einen bestimmten Winkel bilden. Die Herstellung dieser Kantennähte bereitet keine Schwierigkeiten, solange es sich um gerade Nähte handelt. With these mentioned items it is often necessary that two or several foils have to be welded to one another, one against the other form certain angle. The production of these edge seams does not cause any difficulties, as long as the seams are straight.

Sollen jedoch geschwungene Kantennähte hergestellt werden, so ist dieses mit den tim allgemeinen im Gebrauch befindlichen einander gegenüberstehen(len Flächenelektroden nicht mehr möglich, da ein Umlegen einer Folie beispielsweise um go° keinen glatten Übergang und demzufolge auch keine glatte Naht ergeben kann.However, if curved edge seams are to be produced, then this face to face with those generally in use (len Flat electrodes are no longer possible, because a film has to be folded over, for example um go ° cannot produce a smooth transition and consequently also cannot produce a smooth seam.

Das hier beschriebene Verfahren dagegen läßt die Herstellung derartiger gebogener oder eckiger Kantennähte ohne weiteres zu. Dabei werden erfindungsgemäß die zu behandelnden Folien in einem beliebigen Winkel, vorzugsweise rechtwinklig, aneinander- oder aufeinandergelegt und sodann miindestens eine von ihnen an der zu behandelnden Stelle von einem hochfrequenten elektrischen Wechselfeld derart durchsetzt, daß das Material sich erweicht, wobei die Folien gleichzeitig unter Druckwirkung stehen. The method described here, however, allows the production of such curved or angular edge seams without further ado. In doing so, according to the invention the films to be treated at any angle, preferably at right angles, placed next to or on top of each other and then at least one of them at the area to be treated by a high-frequency alternating electric field in this way permeates that the material softens, with the foils at the same time under Stand pressure effect.

Eine beispielsweise Ausfahrung einer Vorriichtung zur Durchführung des erfindungsgemäßen Verfahrens ist in Fig. 1 in schematischer Weise dargestellt. Sie soll dazu dienen, die Bodenfläche einer runden Schachtel aus thermoplastischem Folienmaterial allseitig an der Seitenwand festzuschweißen. Die Seritenwand I der Schachtel wird hierbei auf einen als Unterelektrode dienenden, aus leitendem NIaterial bestelhenZden runden Träger 2 aufgeschoben und außerdem durch eit vorzugsweise aus einem Material mit guten dieletktrischen Eigenschaften bestehenden Haltekörper 3 mit einer runden Aussparung an den inneren Träger 2 gepreßt. Nach Auflegen der entsprechend zugeschnittenen Bodenfolie 4 wird die hochfrequenzführende Ringelektrode 5 mit einem gewissen Druck aufgepreßt. Die sich berührenden Teile der Seitenwand I elinerseits und der Bodenfolie 4 anderersèits werden nunmehr durch Einwirkung des hochfrequenten elektrischen Wechselfeldes erweicht und derart zusammengepreßt und miteinander verschweißt, daß sich an der Schweißstelle ein nach innen fließender flacher Rand ausbildet. Der äußere Haltekörper 3 ist zweckmäßig, wie gereiche net, etwas höher ausgebildet, um ein Abfließen des Materials während des Schweißvorganges nach außen zu vermeiden. An example of a device for implementation of the invention Process is in Fig. 1 in schematic Way presented. Its purpose is to form the bottom surface of a round box made of thermoplastic film material to be welded to the side wall on all sides. The side wall I of the box is here on a serving as a lower electrode, Made of conductive material, the round carrier 2 is pushed on and also preferably made of a material with good dielectric properties existing holding body 3 with a round recess pressed onto the inner support 2. After placing the appropriately cut bottom sheet 4, the high-frequency leading Ring electrode 5 pressed on with a certain pressure. The touching parts the side wall I on the one hand and the bottom sheet 4 on the other hand are now through The effect of the high-frequency alternating electric field is softened and compressed in this way and welded together so that at the welding point there is an inward flowing flat edge forms. The outer holding body 3 is useful, such as rich net, slightly higher designed to prevent the material from flowing off during the welding process to avoid outward.

Dieser Rand des äußeren Haltekörpers 3 kann auch, wie es in Fig. 2 mit entsprechender Kennz ifferbezeichnung gezeigt ist, beispielsweise durch Federung verschiebbar ausgebildet sein. Die Elektrode 5 hat dann einen oder mehrere seitliche Ansätze 6, die dafür Sorge tragen, daß der hochstehende bewegliche Rand 7 des äußeren Haltekörpers 3 während des Schweißvorganges entsprechend der Bewegung der Elektrode 5 nach unten gedrückt wird. Auf diese Weise wird erreicht, daß man den Boden der Schachtel an der Seite überstehen lassen kann. Das ist bezüglich der Wirtschaftlich'keit insofern vorteilhaft, als bei dem Ausprägeprozeß der Bodenfolie 4 keine engen Toleranzen eingehalten zu werden brauchen. This edge of the outer holding body 3 can also, as shown in Fig. 2 is shown with a corresponding identifier, for example by suspension be designed to be displaceable. The electrode 5 then has one or more lateral ones Approaches 6, which ensure that the upstanding movable edge 7 of the outer Holding body 3 during the welding process according to the movement of the electrode 5 is pressed down. In this way it is achieved that the bottom of the The box can protrude on the side. That is in terms of economy Advantageous insofar as there are no tight tolerances in the embossing process of the base film 4 need to be complied with.

In ähnlicher Weise lassen sich auch Paspellierungen der Schweißnathttherstellen, wie sie beispielsweise zur Versteifung oder zur Veriierung von Taschen Anwendung finden. Zu diesem Zweck wird der verschiebbare obere Rand 7 des äußeren Haltekörpers 3 so ausgeführt, wie er in Fig. 3 im Sohnitt dargestellt ist. Dieser beispielsweise ringförmige Körper ist mit einer Nut 8 versehen, in welche vor dem Zusammenschweißen die der Paspelierung dienende vorbereitete Folie 9 derart eingelegt wird, daß sie mit festgeschweißt wird. Die Folie 9 stellt meist im Querschnitt eine Schlaufe dar, die zur Erzielung der gewünschten Steifigkeit des herzustellenden Körpers auch mit einem eingehegten Draht versehen sein kann. In a similar way, piping of the weld seam can also be produced, as used, for example, for stiffening or veriating pockets Find. For this purpose, the displaceable upper edge 7 of the outer holding body 3 carried out as it is shown in Fig. 3 in the Sonitt. This one, for example annular body is provided with a groove 8 in which prior to welding the prepared foil 9 used for piping is inserted in such a way that it is welded with. The film 9 usually represents a loop in cross section, to achieve the desired rigidity of the body to be produced with a enclosed wire can be provided.

Entsprechend Fig. 4 läßt sich auch der Rand I, bezogen auf den Boden 4, nach außen aufschweißen, wenn man den Boden 4 nach innen einlegt, also derart, daß, wie dargestellt, der Rand nach oben übersteht.According to FIG. 4, the edge I, based on the floor 4, weld on the outside, if you put the bottom 4 inwards, so in such a way, that, as shown, the edge protrudes upwards.

Wie in Fig. 5 gezeigt ist, läßt sich auch die Mittelelektrode 2 ganz oder teilweise in ähnlicher Weise verschiebbar (beispielsweise durch Federung) gestalten, wie es in Fig. 2 für den Rand der Fall war. Durch diese NIaßnahme wird eine sichere Auflage der Bodenfolie gewährleistet. As shown in Fig. 5, the center electrode 2 can also be whole or partially in a similar way designed to be displaceable (for example by suspension), as was the case in Fig. 2 for the edge. This N measure makes a safe Guaranteed support of the bottom foil.

Diese beschriebenen und dargestellten Ausfü'hrungsbeispiele stellen natürlich nur einen Spezialfall dar und dienen im wesentlichen zur Herstellung runder topfähnlicher Gebilde. Es ist selbstverständlich, daß entsprechende Anordntungen für beliebige Formen und nicht geschlossene Nähte in gleicher Weise zur Durchführung des erfindungsgemäßen Verfahrens geeignet sind. These described and illustrated exemplary embodiments represent Of course, they are only a special case and are mainly used to produce round ones pot-like structure. It goes without saying that appropriate arrangements for any shape and seams that are not closed in the same way of the method according to the invention are suitable.

Ferner bietet sich die Niöglichkeit. diese Vorrichtungen zur Durchführung des erfindungsgemäßen Verfahrens in mannigfacher Weise zu variieren, um sie dadurch den jeweils gegebenen Anforderungen der Praxis am hesten anzupassen. There is also the possibility of doing this. these devices to carry out to vary the method according to the invention in many ways in order to thereby as best as possible to adapt to the requirements of the practice.

Beispielsweise ist es nicht nötig, die Elektrode 2 völlig aus Metall herzustellen. Es genügt, wenn diese Elektrode aus irgendeinem vorzugsweise elektrisch nicht leitenden Stoff besteht. der an geeigneten Stellen eine oder mehrere als Elektroden dienende Metalleinlagen aufweist. die mit dem Ausgang des I Tochfre(lt1ellzgelaerators bzw. mit Erde leitend verl)unden sind.For example, it is not necessary for the electrode 2 to be made entirely of metal to manufacture. It suffices if this electrode is made of any, preferably electrical non-conductive material. one or more electrodes at suitable points Has serving metal inserts. those with the output of the I daughter (lt1ellzgelaerators or are connected to earth.

Man kann schließlich auch daran denken, diesen Vorgang des Verschweißens mit irgendeinem Prägevorgang zu verbinden. der ebenfalls durch Erweichung des Materials auf dielektrischem Wege mittels des 'hochirequenten elektrischen Wechselfeldes erfolgen kann. Derartige gleichzeitig mit der Verschweißung erfolgende Prägungen sind gerade bei der Herstellung von Verpackungsgegenständen sinnfällig, weil sich hierdurch die Möglichkeit bietet, beispielsweise .\ufprägungen vorzunehmen, die sich auf den Iiihalt der Schachtel oder des Gefäßes und/octer auf deii Hersteller heziehen. Finally, one can also think of this process of welding to combine with any embossing process. which also by softening the material take place in a dielectric way by means of the 'high-frequency alternating electric field can. Embossings of this kind that take place simultaneously with the welding are straight in the manufacture of packaging items, because this increases offers the possibility, for example, of making embossings that relate to the Refer the contents of the box or jar and / or octer to the manufacturer.

Ebenso können an Stelle von l'rägungen auch Verformungen vorgenommen werden, die dem Zwecke der Verzierung oder sogar der Erhöhung der Steifigkeit dienen. Deformations can also be carried out instead of embossments for the purpose of decorating or even increasing rigidity.

Claims (9)

PATENTANSPRUCHE 1. Verfahren zur Wärmeliehandlung, vorzugsweise zum Verschwei ßen von Folien aus thermoplastischem Material auf dielektrischem Wege, dadurch gekennzeichnet, daß die zu behandelnden Folien in irgendeinem Winkel, vorzugsweise rechtwinklig, aneinander- oder aufeinandergelegt und sodann mindestens eine von i'hnen an der zu behandelnden Stelle von einem hochfrequenten elektrischen Wechselfeld derart durchsetzt wird, daß das Material sich erweicht, wobei die Folien gleichzeitig unter Druckwirkung stehen. PATENT CLAIMS 1. Method for heat treatment, preferably for Welding of foils made of thermoplastic material by dielectric means, characterized in that the films to be treated are at some angle, preferably at right angles, one next to the other or one on top of the other and then at least one of They are exposed to a high-frequency alternating electric field at the area to be treated is penetrated in such a way that the material softens, the foils at the same time are under pressure. 2. Vorrichtung zur Ausführung des Verfa'hrens nach Anspruch I, dadurch gekennzeichnet, daß eine der Folien (I) zwischen zwei Haltekörpern (2, 3) gehalten wird, von denen einer (2) als Elektrode dient und der andere (3) aus einem Material mit guten dielektrischen Eigenschaften besteht. 2. Device for carrying out the Verfa'hrens according to claim I, characterized characterized in that one of the foils (I) is held between two holding bodies (2, 3) of which one (2) serves as an electrode and the other (3) made of a material with good dielectric properties. 3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die eingespannte Folie (X) den als Elektrode dienenden Haltekörper (2) etwas überragt, während sie von dem anderen Haltekörper (3) überragt wird. 3. Apparatus according to claim 2, characterized in that the clamped Foil (X) protrudes slightly beyond the holding body (2) serving as an electrode, while it is surmounted by the other holding body (3). 4. Vorrichtung nach Anspruch 2 und 3, dadurch gekennzeichnet, daß die beispielsweise anzuschweißende Folie (4) auf die Kante der eingespannteil Folie (i) aufgelegt und sodann durch eine zweite, Hochfrequenzspannung fü'hrende Elektrode (5) aufgepreßt wird. 4. Apparatus according to claim 2 and 3, characterized in that the film (4) to be welded, for example, onto the edge of the clamped-in film (i) and then through a second, high-frequency voltage carrying electrode (5) is pressed on. 5. Vorrichtung nach Anspruch 2 bis 4, dadurch gekennzeichnet, daß die anzuschweißende Folie (4) auf den als Elektrode dienenden Haltekörper (2) der anderen Folie (l) wenigstens zum Teil derart aufgelegt wird, daß sie mit ihrer entsprechend zugeschnittenen Stirnseite an den zu verschweißenden Stellen die eingespannte Folie (i) berührt, daß ferner die andere, Hochfrequenzspannung führende Elektrode (5) geeigneter Form derart auf den überstehenden Rand der eingespannten Folie (i) aufgepreßt wird, daß dieser sich erweicht und mit der aufgelegten Folie unter Druck verschweißt (Fig. 4). 5. Apparatus according to claim 2 to 4, characterized in that the film to be welded (4) onto the holding body (2) serving as an electrode other film (l) is at least partially placed in such a way that it corresponds to its Cut the end face at the points to be welded with the clamped film (i) touches that also the other, high-frequency voltage carrying electrode (5) suitable shape so pressed onto the protruding edge of the clamped film (i) is that this softens and welded to the applied film under pressure (Fig. 4). 6. Vorrichtung nach Anspruch 2 bis 5, dadurch gekennzeichnet. daß der überstehende Teil des nicht als Elektrode dienenden Haltekörpers (3) beispielsweise durch Federung derart verschliebbar ausgebildet ist, daß er durch einen oder mehrere seitliche Ansätze der beweglichen Ärlieitselektrode (5) während des Schueißvorganges entsprechend der Elektrodenbewegung heraligedrückt wird (Fig. 2). 6. Apparatus according to claim 2 to 5, characterized. that the protruding part of the holding body (3) not serving as an electrode, for example is designed so that it can be locked by suspension, that it can be closed by one or more Lateral attachments of the movable heat electrode (5) during the shooting process is pressed down in accordance with the movement of the electrode (Fig. 2). 7. Vorriclatullg nach Anspruch 2 bis 6, dadurch gekennzeichnet, daß beispielsweise schlaufenförmige Paspelierungs- oder Verstärkungsleisten oder -schläuche wenigstens zum Teil mit eingeschweißt werden und der vorzugsweise bewegliche Rand (7) des nicht als Elektrode dienenden Haltekörpers (3) entsprechende Aussparufngen (8) aufweist (Fig. 3). 7. Vorriclatullg according to claim 2 to 6, characterized in that for example loop-shaped piping or reinforcing strips or tubes are at least partially welded in and the preferably movable edge (7) of the holding body (3) not serving as an electrode, corresponding recesses (8) (Fig. 3). 8. Vorrichtung nach Anspruch 2 bis 7, dadurch gekennzeichnet, daß ein Teil des als Elektrode dienenden Haltekörpers (2) beispielsweise durch Federung verschiebbar ausgebildet ist. 8. Apparatus according to claim 2 to 7, characterized in that a part of the holding body (2) serving as an electrode, for example by suspension is designed to be displaceable. 9. Vorrichtung nach Anspruch 2 bis 8, dadurch gekennzeichnet, daß die bzw. der Elektrodenkörper aus einem vorzugsweise elektrisch nicht leitenden Stoff besteht, der an geeigneten Stellen eine oder mehrere als Elektroden dienende Einlagen aus leitendem Material, vorzugsweise Metall, aufweist, die mit dem Ausgang des Hochfrequenzgenerators oder mit Erde leitend verbunden sind. 9. Apparatus according to claim 2 to 8, characterized in that the electrode body or bodies made of a preferably electrically non-conductive one There is a substance that has one or more electrodes at suitable points Deposits made of conductive material, preferably metal, with the output of the high-frequency generator or are conductively connected to earth. IO. Verfahren nach Anspruch I, dadurch gekennzeichnet, daß mit dem Vorgang des Verschweißens ein Vorgang des Einprägens von Rillen, Zeichen u. dgl. bn eine der zu verschweißenden Folien oder der Verformung derselben verbunden wird, der beispielsweise durch entsprechende Formgebung (als Prägestempel) der Elektrode(n) ermöglicht wird. IO. Method according to claim I, characterized in that with the Process of welding a process of embossing grooves, characters and the like. bn one of the foils to be welded or the deformation of the same is connected, which, for example, by appropriate shaping (as an embossing stamp) of the electrode (s) is made possible. I I. Verfahren nach Anspruch I und IO, gekennzeichnet durch dessen Verwendung zur Herstellung in sich geschlossener, beispielsweise runder Kantennähte. I I. The method according to claim I and IO, characterized by its Use for the production of self-contained, for example round edge seams. I2. Verfahren nach Anspruch I und IO, gekennzeichnet durch dessen Anwendung zur Herstellung von B#hältern, Schachteln u. dgl. I2. Method according to claims I and IO, characterized by its Use for the production of containers, boxes and the like.
DEL1639A 1950-04-07 1950-04-07 Method and device for heat treatment, preferably for welding, of foils made of thermoplastic material by dielectric means Expired DE829034C (en)

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DEL1639A DE829034C (en) 1950-04-07 1950-04-07 Method and device for heat treatment, preferably for welding, of foils made of thermoplastic material by dielectric means

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DEL1639A DE829034C (en) 1950-04-07 1950-04-07 Method and device for heat treatment, preferably for welding, of foils made of thermoplastic material by dielectric means

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1030485B (en) * 1954-05-03 1958-05-22 Joachim Brandenburger Electrode arrangement of a high-frequency welding machine intended for welding plastic foil packs
DE971241C (en) * 1952-12-09 1958-12-31 Telefunken Gmbh Device for the production of three-dimensional hollow bodies, for example of containers, by dielectric welding
DE1106952B (en) * 1959-10-03 1961-05-18 Rolf Wunderer & Co Keder made of thermoplastic material and method for welding it between thermoplastic plastic films
DE975035C (en) * 1953-11-06 1961-07-13 Gummi Werke Richterswil A G Method for producing a hem weld seam on the edge of a tubular film made of organic, thermoplastic plastics, which is folded over to form a hem

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971241C (en) * 1952-12-09 1958-12-31 Telefunken Gmbh Device for the production of three-dimensional hollow bodies, for example of containers, by dielectric welding
DE975035C (en) * 1953-11-06 1961-07-13 Gummi Werke Richterswil A G Method for producing a hem weld seam on the edge of a tubular film made of organic, thermoplastic plastics, which is folded over to form a hem
DE1030485B (en) * 1954-05-03 1958-05-22 Joachim Brandenburger Electrode arrangement of a high-frequency welding machine intended for welding plastic foil packs
DE1106952B (en) * 1959-10-03 1961-05-18 Rolf Wunderer & Co Keder made of thermoplastic material and method for welding it between thermoplastic plastic films

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