DE1100939B - Device for the surface treatment of thermoplastic material webs - Google Patents

Device for the surface treatment of thermoplastic material webs

Info

Publication number
DE1100939B
DE1100939B DES51107A DES0051107A DE1100939B DE 1100939 B DE1100939 B DE 1100939B DE S51107 A DES51107 A DE S51107A DE S0051107 A DES0051107 A DE S0051107A DE 1100939 B DE1100939 B DE 1100939B
Authority
DE
Germany
Prior art keywords
fabric
web
electrodes
surface treatment
stack
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
DES51107A
Other languages
German (de)
Inventor
Dr Rer Nat Eugen Sauter
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Priority to DES51107A priority Critical patent/DE1100939B/en
Publication of DE1100939B publication Critical patent/DE1100939B/en
Pending legal-status Critical Current

Links

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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/10—Surface shaping of articles, e.g. embossing; Apparatus therefor by electric discharge treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene

Landscapes

  • Treatment Of Fiber Materials (AREA)

Description

Einrichtung zum Oberflächenbehandeln von thermoplastischen Stoffbahnen Es ist bereits eine Einrichtung zum Obferflächenbehandeln von thermoplastischen Stoffbahnen, insbesondere Polyäthylenfolien, für das anschließende Bedrucken durch die Einwirkung von Sprühentladungen auf die Stoffbahnen vorgeschlagen worden, bei der die beidseitig der Stoffbahn angeordneten Elektroden in Vorschubrichtung der Stoffbahn gegeneinander versetzt angeordnet sind. Hierbei bestehen die einzelnen Elektroden auch aus mehreren Teilelektroden, die heidseitig der Stoffbahn und auf Lücke zueinander angeordnet sind. Es ist dabei auch bereits vorgeschlagen worden, die Elektroden zugleich als Umlenkrollen auszubilden und so anzuordnen, daß die Stoffbahn mindestens zweimal um 900 gegenüber der normalen Vorschubrichtung abgelenkt wird.Device for the surface treatment of thermoplastic material webs It is already a device for surface treatment of thermoplastic Fabric webs, in particular polyethylene films, for subsequent printing through the action of spray discharges on the fabric webs has been proposed at the electrodes arranged on both sides of the fabric web in the direction of advance of the Fabric web are arranged offset from one another. Here are the individual Electrodes also made up of several partial electrodes, which are placed on both sides of the web of material Gap to each other are arranged. It has already been suggested that to train the electrodes at the same time as pulleys and to be arranged so that the Fabric web deflected at least two times by 900 compared to the normal feed direction will.

Die Erfindung betrifft eine Verbesserung einer solchen Einrichtung, durch die eine weitere Beschränkung der räumlichen Ausdehnung der Einrichtung erzielt wird. Gemäß der Erfindung sind bei einer Einrichtung der vorgenannten Art mehrere Reihen der Elektroden in übereinanderliegenden Schichten jeweils entgegengesetzten bzw. stark unterschiedlichen Potentials zu einem Stapel angeordnet, wobei die Stoffbahn den Stapel in mehrfachem Gegenzug in Schichtrichtung durchläuft. The invention relates to an improvement of such a device, by which a further restriction of the spatial extent of the facility is achieved will. According to the invention there are several in a device of the aforementioned type Rows of electrodes in superimposed layers in each case opposite one another or very different potentials arranged to form a stack, the web of material runs through the stack in multiple backlashes in the direction of the layers.

An Hand der Zeichnung werden weitere Einzelheiten der Einrichtung nach der Erfindung näher erläutert. In der Figur sind vier Schichten 1, 2, 3, 4 von Elektroden dargestellt, die von Schicht zu Schicht entgegengesetztes bzw. stark unterschiedliches Potential aufweisen. Die erste bzw. letzte Elektrode der einzelnen Schichten dient jeweils zugleich als Umlenkrolle für die Stoffbahn. Die beidseitig der Stoffbahn angeordneten Teilelektroden jeder Schicht sind hierbei auf Lücke zu den Elektroden der nächstfolgenden Schicht angeordnet. Um die Überschlagsgefahr herabzusetzen, empfiehlt es sich, die Elektroden mit einem ueberzug aus Isoliermaterial hoher Durchschlagsfestigkeit, wie z. B. Keramik, Plexiglas oder Bariumtitanat, zu versehen. In vielen Fällen wird es jedoch ausreichend sein, wenn die Elektroden einfach als blanke Metallstäbe bzw. Metallrollen ausgebildet sind, insbesondere genügt es in der Regel, wenn die Elektroden einer Polarität mit Isolierstoff überzogen sind. Further details of the facility are given on the basis of the drawing explained in more detail according to the invention. In the figure are four layers 1, 2, 3, 4 represented by electrodes that are opposite or strong from layer to layer have different potential. The first or last electrode of each Layers also serve as a pulley for the length of fabric. The two-sided The partial electrodes of each layer arranged on the web of material are in this case towards a gap the electrodes of the next layer. About the risk of rollover it is advisable to cover the electrodes with an insulating material high dielectric strength, such as B. ceramic, plexiglass or barium titanate, too Mistake. In many cases, however, it will be sufficient if the electrodes are simply designed as bare metal rods or metal rollers, in particular It is usually sufficient if the electrodes of one polarity are covered with insulating material are.

Die zuletzt genannten Maßnahmen der isolierten bzw. nichtisolierten Ausbildung der Elektroden sind nicht Gegenstand der Erfindung. The last-mentioned measures of the isolated or non-isolated Design of the electrodes are not the subject of the invention.

Claims (1)

PATENTANSPRUCH: Einrichtung zum Oberflächenbehandeln von thermoplastischen Stoffbahnlen, insbesondere Polyäthylenfolien, für das anschließende Bedrucken durch die Einwirkung von Sprühentladungen auf die Stoffbahn, wobei die beidseitig der Stoffbahn angeordneten Elektroden in Vorschubrichtung der Stoffbahn gegeneinander versetzt angeordnet sind und einzelne Elektroden zugleich als Umlenkrollen ausgebildet sind, so daß die Stoffbahn mindestens zweimal um 900 gegenüber der normalen Vorschubrichtung lenkbar ist, dadurch gekennzeichnet, daß mehrere Reihen der Elektroden in iibereinanderliegenden Schichten (1, 2, 3, 4) jeweils entgegengesetzten, bzw. stark unterschiedlichen Potentials zu einem Stapel angeordnet sind, wobei die Stoffbahn den Stapel in mehrfachem Gegenzug in Schichtrichtung durchläuft. PATENT CLAIM: Device for the surface treatment of thermoplastics Fabric webs, in particular polyethylene films, for subsequent printing through the effect of spray discharges on the fabric web, with the on both sides of the Fabric web arranged electrodes in the feed direction of the fabric web against each other are arranged offset and individual electrodes are designed as pulleys at the same time so that the web of fabric is at least two times by 900 relative to the normal feed direction is steerable, characterized in that several rows of electrodes in superimposed Layers (1, 2, 3, 4) each have opposite or very different potentials are arranged to form a stack, the web of fabric pulling the stack in multiple countermeasures runs through in the direction of the layers. In Betracht gezogene ältere Patente: Deutsches Patent Nr. 1 065 952. Older patents considered: German Patent No. 1 065 952.
DES51107A 1956-11-02 1956-11-02 Device for the surface treatment of thermoplastic material webs Pending DE1100939B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DES51107A DE1100939B (en) 1956-11-02 1956-11-02 Device for the surface treatment of thermoplastic material webs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES51107A DE1100939B (en) 1956-11-02 1956-11-02 Device for the surface treatment of thermoplastic material webs

Publications (1)

Publication Number Publication Date
DE1100939B true DE1100939B (en) 1961-03-02

Family

ID=7488096

Family Applications (1)

Application Number Title Priority Date Filing Date
DES51107A Pending DE1100939B (en) 1956-11-02 1956-11-02 Device for the surface treatment of thermoplastic material webs

Country Status (1)

Country Link
DE (1) DE1100939B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1447815A1 (en) * 1962-03-21 1969-03-06 Wiggins Teape Res Dev Plastic coated paper and process for its manufacture
US6312767B2 (en) * 1997-11-05 2001-11-06 L'air Liquide, Societe Anonyme Pour L'exploitation Des Procedes Georges Claude Process and device for the surface treatment of a substrate by an electrical discharge between two electrodes in a gas mixture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1447815A1 (en) * 1962-03-21 1969-03-06 Wiggins Teape Res Dev Plastic coated paper and process for its manufacture
US6312767B2 (en) * 1997-11-05 2001-11-06 L'air Liquide, Societe Anonyme Pour L'exploitation Des Procedes Georges Claude Process and device for the surface treatment of a substrate by an electrical discharge between two electrodes in a gas mixture

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