CH291255A - Verfahren und Vorrichtung zum Verbinden der Enden von aus warmformbaren Kunststoffen bestehenden Magnettonbändern. - Google Patents

Verfahren und Vorrichtung zum Verbinden der Enden von aus warmformbaren Kunststoffen bestehenden Magnettonbändern.

Info

Publication number
CH291255A
CH291255A CH291255DA CH291255A CH 291255 A CH291255 A CH 291255A CH 291255D A CH291255D A CH 291255DA CH 291255 A CH291255 A CH 291255A
Authority
CH
Switzerland
Prior art keywords
tape
zone
metal plate
strip
pressure
Prior art date
Application number
Other languages
English (en)
Inventor
Tefi-Apparatebau Dr Daniel K G
Original Assignee
Daniel Tefi Apparatebau
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 Daniel Tefi Apparatebau filed Critical Daniel Tefi Apparatebau
Publication of CH291255A publication Critical patent/CH291255A/de

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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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/228—Heated wire resistive ribbon, resistive band or resistive strip characterised by the means for electrically connecting the ends of said heated wire, resistive ribbon, resistive band or resistive strip
    • 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
    • B29C66/03—After-treatments in the joint area
    • B29C66/032—Mechanical after-treatments
    • B29C66/0324—Reforming or reshaping the joint, e.g. folding over
    • B29C66/03241—Flattening
    • 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
    • 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
    • B29C66/40—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
    • B29C66/4324—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 for making closed loops, e.g. belts
    • 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
    • B29C66/81—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
    • 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
    • B29C66/818—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • B29C66/81811—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws
    • 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
    • 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
    • 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
    • B29C66/818—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8182—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects
    • B29C66/81821—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects of the welding jaws
    • 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
    • B29C66/818—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8187—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the electrical insulating constructional aspects
    • B29C66/81871—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the electrical insulating constructional aspects of the welding jaws
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91421—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the joining tools
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • 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
    • B29L2017/00—Carriers for sound or information
    • B29L2017/008—Tapes

Landscapes

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

Description


  



  Verfahren und Vorrichtung zum Verbinden der Enden von aus warmformbaren Kunststoffen bestehenden Mangettonbändern.



     Die Erfindung bezieht sich auf    ein Verfahren und eine Vorrichtung zum Verbinden   der Enden von Magnettonbändern,    die zur   Hauptsaehe    aus einem warmformbaren Kunststoff bestehen und entweder in ihrer ganzen Dicke oder nur in ihren äussern Sehiehten mit   Magnetpulver    durchsetzt sind.



   Gemäss der Erfindung erfolgt das Verbinden der Bandenden in der Weise, dass diese überlappt und in Berührung mit   einer-vor-      zugsweise elektrisch-heizbaren    ebenen, glatten   Iletallplatte    einem die Verschmelzung der   Überlappungsstelle    bewirkenden Druck unterworfen werden,

   wobei vorzugsweise die der   Verschmelzungszone der überlappten    Bandenden benachbarten Bandzonen während der   Erwärmung der Verschmelzlmgszone    auf einer unterhalb der Erweichungstemperatur des warmformbaren Bandwerkstoffes liegenden Temperatur gehalten werden und die Ver  schmelzungszone    der Bandenden in Richtung der Längserstreckung des Bandes sehmäler   ge-    halten wird als die   Druckzone.   



   Die wahrend der Ausübung eines Druckes auf die Überlappungszone der Bandenden mit dieser Zone in Berührung   stehende VTetall-      atte wil d vorzugsweise    durch den sie durchfliessenden Strom erwärmt ; man kann aber anch   z.      B.    die   Erwärmung der Überlappungs-    zone der Bandenden durch ein   Hochfrequenz-    feld bewirken.



   Die Vorrichtung zur Ausübung des Verfahrens naeh der Erfindung sieht, in teilweiser Anlehnung an eine bekannte Einriehtung zum Verbinden der Enden mit mecha  nisch    abtastbarer Schallschyrift versehener Sehallbänder unter Verwendung   einer i, rber-      deckungsmatrize,    eine Presse vor, deren Tisch aus einer ebenen, glatten Metallplatte besteht, die mit ihren beiden Enden auf zwei Stromschienen und mit ihrem mittleren, unterhalb des Pressstempels liegenden Teil auf einem zwischen den   Stromsehienen    angeordneten Block aus Isolierstoff ruht und mit seitlichen Anschlägen zum Ausrichten der Seitenkanten der zu verbindenden Bandenden versehen ist.



  Diese seitlichen Ansehläge können z. B. durch einen das Einlegen der zu verbindenden Bandenden ermöglichenden Kanal gebildet sein, dessen Breite vorzugsweise gleich der Bandbreite ist. Ein Teil des   Bandwerkstoffes    an der Überlappungsstelle der Bandenden wird durch den Pressdruek seitlich weggequetscht werden, so dass eine unerwünschte Bandverbreitung entsteht. Um diese zu beseitigen, ist es   zweckmä#ing,    den   Bandkanal    durch Stege zu bilden, die im Zusammenwirken mit dem Pressstempel den seitlich übergequollenen Werkstoff wegschneiden.



   Ein Ausführungsbeispiel des Verfahrens nach der Erfindung wird anlässlich der Be  schreibung    des in der Zeichnung dargestellten   Ausfiihrungsbeispiels    einer Vorrichtung ge   mä# der Erfindung näher erläutert.    In der Zeichnung zeigt :
Fig.   1    den feststehenden Teil der Vorrichtung in perspektivischer Ansieht,
Fig.   2    einen Längsschnitt durch den Tisch mit den darauf liegenden Enden der zur verbindenden Bänder und den über   der Über-       lappungsstelle der Bandenden angeordneten    Pressstempel.



   Der Presstiseh besteht aus einer glatten ebenen Metallplatte 1, die mit ihren beiden Enden auf je einer Stromsehiene 2 und3 und mit ihrem mittleren Teil auf einem   zwi-    schen diesen   Stromseliienen    angeordneten Block 4 aus Isolierstoff aufliegt. Die Metal]platte 1 ist in ihrer Längsrichtung mit einem flachen Kanal 5 versehen, dessen Breite gleich der Breite der zu verbindenden   Magnetton-    bander un dessen Tiefe   höchstens gleieli    der Dicke dieser Bänder ist. Die Enden der   Magnettonbänder    werden, wie aus Fig.   2    er  sichtlich,    in diesen Kanal. gelegt, und zwar derart,   da#    sie sich überlappen.



   Die   Stromsehienen 2 und    3 sind durch ent  spreehend    dimensionierte Leitungen 7 und 8 an einen Stromwandler angeschlossen und werden mit etwa 1000 Ampere gespeist, wird der Strom eingesehaltet, so   flie#t    er über die Stromsehienen 2, 3, ohne diese merlich zu erwärmen, und durch die   Metallplatte l. Diese    wird auf ihrem mittleren, oberhalb des Isolierblockes   4    liegenden Teil erhitzt und bringt dadurch die   Oberlappungszone    der   zu verbin-    denden   Magnettonbandenden    zur Erweichung, so dass, wenn der Pressstempel 6 abgesenkt wird, die Bandenden miteinander verschmelzen.

   In den   Stromsehienen      2,    3 sind Kanäle 9, 10 vorgesehen, die durch ein Rohr   mitein-    ander in Verbindung stelben. Durch die   Ka-    näle wird ein Kühlmedium geleitet. Damit die   Magnettonbänder    durch den Pressvorgang nicht beschädigt werden, erstreckt sich die Kühlzone der Stromischinen   2,    3 bis in die   Druekzone    des Pressstempels 6 hinein, die Temperatur wird in diesen Kühlzonen unterhalb der Einweichungstemperatur des   thermo-    plastischen Bandmaterials gehalten.

   Die seitlichen Ränder des Pressstempels 6 drücken also stets auf   unerweichte      Bandstellen, so    dass keine Beschädiqunge des Bandes und der darin befindlichen   Schallsehrift    eintritt.



   Beim Abschalten des Stromes bewirkt die Kühlung der Stromschienen 2, 3 eine sehr schnelle Kübhlung des vorber erhitzten Teils der   Metall platte l und damit der Enden der      Magnettonbänder.    Die nunmehr vereinigten Magnettonbänder   können    daher sehr bald aus der   Prä#einrichtung hearusgenommen werden.   



   WNird beim Verschmelzen der Bandenden ein Teil des   Bandmaterials seitlich wegge-    quetselt, so   fuhrt    dies zu einer unerwünsehten Verbreiterung des Bandes an der Verbin  dungsstelle.    Um diese   Bandverbreiterung    zu beseitigen, wird der   Bandkanal    durch Stege 11 gebildet, die im Zusammenwirken mit de Pressstempel 6 den seitlieh übergequollenen Werkstoff wegschneiden.

Claims (1)

  1. PATENTANSPRÜCHE : I. Verfahren zum Verbinden der Euden von aus warmformbaren Kunststoffen bestehenden Magnettonbändern, dadurch gekenn- zeichnet, diJ) die Bandenden überlappt und in Berührung mit einer heizbaren, ebenen und glatten Metallplatte einem die Verschmelzung der Überlappunjgsstelle der Bandenhen bewirkenden Druck unterworfen werden.
    II. Vorrichtung zur Ausübung des Ver- falirens nach Patentanspruch I, gekennzeich- net durch eine Presse, deren Tiseh aus einer ebenen,glattenMetallplattebesteht,diemit ihren beiden Enden je auf einer Stromschiene und mit ihrem mittleren, unterhalb des Pressstempels liegenden Teil auf einem zwisehen den Stromsehienen angeordneten Isolierblock ruht. und mit seitlichen Anschlägen zum Aus- richten der Seitenkanten der zu verbindenden Bandenden versehen ist.
    UNTERANSPRÜCHE: 1. Verfahren nach Ratentanspruch I, dadurch gekennzeichnet, dass die der Verschmel zungszone der überlappten Bandenden benach- barten Bandzonen während der Erwärmung der Verschmelzaungszone auf einer unterhalb der Erweichungstemperatur des warmform- karen Handwerkstoi'fes liegenden Temperatur gehalten werden und die Verschmelzungs- zone der Bandenden in Richtung der Längserstreekung des Bandes schmäler gehalten wird als die Druckzone.
    2. Verfahren nach Patentanspruch I, dadurch gekennzeichnet, dass die während der Ausübung eines Druckes auf die Uberlap ; pungszone der Bandenden mit dieser Zone in Berührung stehende Metallplatte mittels des durchflie#enden elektrischen Stromes er . wird.
    Verfahren nach Patentanspruch I, da durch gekennzeichnet, dass die Erwärmung der Überlappungszone der Bandenden durch ein Hochfrequenzfeld erfolgt.
    4. Vorrichtung nach Patentanspruch II, dadurch gekennzeichnet, dass der Tisch mit einem Kanal zum Einlegen der zu verbindenden Bandenden versehen ist.
    5. Vorrichtung nach Patentanspruch II und Unteranspruch 4, dadurch gekennzeich- net, dass der Bandkanal der Tischplatte durch Stege gebildet ist, die im Zusammenwirken mit dem Pressstempel den seitlich übergequol- lenen Werkstoff wegschneiden.
CH291255D 1954-07-09 1951-05-18 Verfahren und Vorrichtung zum Verbinden der Enden von aus warmformbaren Kunststoffen bestehenden Magnettonbändern. CH291255A (de)

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US44237454 US2830649A (en) 1954-07-09 1954-07-09 Connecting the ends of sound record thermoplastic strips

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CH291255A true CH291255A (de) 1953-06-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0610762A2 (de) * 1993-02-12 1994-08-17 Signode Corporation Verfahren zum Glätten der Schweissnahtverbindung von Kunststoffplatten und hergestellte Verbindung
US20140196312A1 (en) * 2013-01-11 2014-07-17 Shimano Inc. Lacing cord and shoes using the same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073053A (en) * 1959-08-17 1963-01-15 Nassour Edward Method of and means for making plastic figures having different postures of animation
AT304401B (de) * 1968-08-07 1973-01-10 Vienna Bekleid & Waeschefab Punktschweißvorrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2633443A (en) * 1945-02-20 1953-03-31 Langer Nicholas Method of heatsealing
US2468629A (en) * 1945-11-14 1949-04-26 Leonard A Herzig Method and apparatus for splicing films
US2480794A (en) * 1947-06-17 1949-08-30 Frederick Hart & Co Inc Film splicing apparatus
US2577570A (en) * 1947-08-06 1951-12-04 Eisenberg Ben Apparatus and method for electrically splicing film
US2640798A (en) * 1951-02-27 1953-06-02 Langer Nicholas Method of bonding
US2743763A (en) * 1953-05-13 1956-05-01 Westerkamp Hugo Apparatus for joining the ends of magnetic sound tape

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0610762A2 (de) * 1993-02-12 1994-08-17 Signode Corporation Verfahren zum Glätten der Schweissnahtverbindung von Kunststoffplatten und hergestellte Verbindung
EP0610762A3 (en) * 1993-02-12 1996-04-03 Signode Corp Method for production weld planishing of plastic sheet and joint.
US20140196312A1 (en) * 2013-01-11 2014-07-17 Shimano Inc. Lacing cord and shoes using the same
US9289031B2 (en) * 2013-01-11 2016-03-22 Shimano Inc. Lacing cord and shoes using the same

Also Published As

Publication number Publication date
FR1110769A (fr) 1956-02-16
US2830649A (en) 1958-04-15

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