EP0644614B1 - Verfahren zur Erreichung einer elektrischen Verbindung mit einem einseitigen leitenden dünnen Band sowie die so erhaltene Verbindung - Google Patents

Verfahren zur Erreichung einer elektrischen Verbindung mit einem einseitigen leitenden dünnen Band sowie die so erhaltene Verbindung Download PDF

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Publication number
EP0644614B1
EP0644614B1 EP94114424A EP94114424A EP0644614B1 EP 0644614 B1 EP0644614 B1 EP 0644614B1 EP 94114424 A EP94114424 A EP 94114424A EP 94114424 A EP94114424 A EP 94114424A EP 0644614 B1 EP0644614 B1 EP 0644614B1
Authority
EP
European Patent Office
Prior art keywords
conductive
strip
cylinder
face
lug
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 - Lifetime
Application number
EP94114424A
Other languages
English (en)
French (fr)
Other versions
EP0644614A1 (de
Inventor
Erik Jan Frenkel
Jean-Jacques Born
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.)
Asulab AG
Original Assignee
Asulab 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 Asulab AG filed Critical Asulab AG
Publication of EP0644614A1 publication Critical patent/EP0644614A1/de
Application granted granted Critical
Publication of EP0644614B1 publication Critical patent/EP0644614B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2442—Contacts for co-operating by abutting resilient; resiliently-mounted with a single cantilevered beam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
    • H01R13/035—Plated dielectric material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49174—Assembling terminal to elongated conductor
    • Y10T29/49181—Assembling terminal to elongated conductor by deforming

Definitions

  • the present invention relates generally to a process for making an electrical connection between a thin single-sided conductive plastic strip and a second conductor positioned on the non-conductive side of the band.
  • the invention also relates to the connection thus obtained.
  • the invention relates more particularly to a method allowing to establish such an electrical connection when contact with a second driver must due to the particular configuration of the device incorporating said connection, by simple press on a portion of the thin plastic strip, on the side of its non-conductive side.
  • An electrical connection according to the invention is for example obtained with a second conductor consisting of an elastic metal strip.
  • Single-sided thin conductive plastic tapes are increasingly used in devices having a short lifespan, either as such or as a terminal part intended to ensure contact electric with a more conductive thin plastic film large area, but of the same nature. These tapes or films have certain advantages, in particular cost level, compared to conductors of the same dimensions. By an appropriate choice of plastic material, it is indeed possible to obtain a support having mechanical strength, and particularly rigidity and flexibility satisfactory while having a very small thickness. In using a polyamide film (for example Capra® available from Allied Chemical) or polyethylene terephthalate, PET (e.g.
  • Hostaphon® available from Hoechst bands with a thickness of of the order of 0.1 to 0.2 mm while having rigidity approximating that of a metal strip the same thickness.
  • the application of the conductive coating may be carried out according to known methods, such as screen printing or sputtering, and allows to obtain conductive layers of the order of a micron. It is then possible to use, for the material conductor of noble metals, such as gold, silver, platinum or palladium, without this influencing notably the final cost price. This choice of a metal noble can indeed be made necessary by purpose particular feature of the larger area film, extended by the band used to establish a connection.
  • the larger area film constitutes an electrode intended to come into contact with the skin, for example in a delivery device transdermal medication by ontophoresis or electrophoresis.
  • the conductive layer constitutes an electrode intended to come into contact with the skin, for example in a delivery device transdermal medication by ontophoresis or electrophoresis.
  • tapes or plastic films single-sided conductors do not lend themselves well to deformation pronounced mechanics, such as sharp angle bending, without run the risk of damaging the conductive coating.
  • the present invention therefore relates to a method allowing to deform a thin plastic strip, having a conductive coating on one side to establish a non-coated side contact area conductive, without risk of layer breakage conductive.
  • the thin conductive plastic strip single-sided is chosen from a thermoformable material, such than the previously mentioned materials (polyamide or PET), and we form a loop by pinching a tab, formed by the terminal part of the strip, between two parallel cylinders positioned respectively on the conductive side and on the non-conductive side, a cylinder at least being heated, and both cylinders being rotated until the cylinder press on the conductive side come and press the non side conductive of the tongue on a portion not strip conductor.
  • a thermoformable material such than the previously mentioned materials (polyamide or PET)
  • the cylinder applied on the side of the conductive side of the strip will preferably be chosen with a diameter smaller than that of the cylinder applied from side of the non-conductive face.
  • the cylinder applied on the side of the non-conductive face is kept fixed, while roll the second cylinder over the first until come and tackle one against the other the two non-conductive portions of the strip: the displacement of pinch line on the surface of the coating driver avoids local overheating and thereby possible deterioration of said coating. It is however possible, depending on the nature of the coating plastic support, the nature of the conductive coating and their respective thicknesses, to maintain fixed the pinch line and roll the cylinder located on the non-conductive side by driving the second cylinder until the two portions of faces not conductive come into contact.
  • the two cylinders are removed, and the contact thus formed can be used as that in a connection where a second conductor metal comes to bear on the conductive portion of the end of the strip. It is also possible to keep more firmly pressed against each other the non-conductive portions by interposing a point of glue between said portions.
  • one end of the strip 1 constituted by the extension of a larger area 2 is kept pinched along a contact line 9 between two parallel cylinders 10 and 11 positioned respectively on the side of the non-conductive face 3 and of the side of the conductive face 5 of the strip 1 leaving free a portion of strip forming a tongue 7.
  • the cylinder 11 applied on the conductive face 5 has a diameter less than cylinder 10 applied to the non-conductive face 3.
  • FIG. 2a to 2d schematically represent various process phases in which the cylinder 11 positioned on the conductive face 5 rolls on the cylinder 10.
  • the cylinders 10 and 11 are positioned on the strip of such so that their contact line 9 is at a distance of the end 4 of the tongue 7 higher than the circumference of cylinder 10.
  • Figure 2b shows a phase of the process in which the cylinder 11 has traversed half the circumference of cylinder 10.
  • cylinder 11 has traveled a quarter of a circumference additional and the end 4 of the tongue comes in press on the non-conductive face 3 of the strip 1.
  • cylinder 11 completely presses a portion of the tongue 7 on strip 1 by printing a line of inflection on the strip along the contact line 9, thus creating a preload after removal of the two cylinders at the end of process.
  • process phase shown in figure 2b it is also possible to add a point of glue on face 3, near cylinder 10, in order to keep more firmly pressed against each other the two non-conductive face portions.
  • the tongue 7 may have a length less than that from the previous example.
  • Figure 3 shows in section an example of connection obtained between a thin conductive strip single-sided shaped according to the method of the invention and a conductor constituted by an elastic metal strip 15 in the shape of a hook.
  • the metal blade 15 constitutes by example a contact of a measuring device contained in a rigid case 17.
  • Band 1, including the terminal part is shaped according to the process of the invention, constitutes for example the contact of an electrode extending by a larger area 2 said strip 1, these two parts being cut from the same conductive plastic film monoface, and being held in a frame 19 by suitable means for bringing the end of the metal strip 15 and the conductive face 5 of the portion end of the tongue 7.
  • the frame 19 represents by example the element intended to receive a drug in the transdermal delivery device by iontophoresis or electrophoresis, said element being intended to be discarded as soon as the drug supply is used up.

Landscapes

  • Electrotherapy Devices (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Claims (7)

  1. Verfahren zur Herstellung einer elektrischen Verbindung zwischen einem dünnen Kunststoffband (1), das auf nur einer Fläche (5) eine leitende Beschichtung besitzt, und einem zweiten Leiter (15), der auf der nichtleitenden Seite (3) des Bandes angeordnet ist, dadurch gekennzeichnet, daß der verwendete Kunststoff wärmeformbar ist und daß eine aus dem Endabschnitt des Bandes gebildete Lasche (7) aufgerollt wird, indem sie zwischen zwei parallelen Zylindern (10, 11), die auf der leitenden Fläche (5) bzw. auf der nichtleitenden Fläche (3) angeordnet sind, eingeklemmt wird, wobei wenigstens ein Zylinder erwärmt wird und die zwei Zylinder rotatorisch angetrieben werden, bis der auf der leitenden Fläche (5) sich abstützende Zylinder (11) die nichtleitende Fläche (3) der Lasche (7) an einen nichtleitenden Abschnitt des Bandes (1) schmiegt.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der Zylinder (11), der gegen die leitende Fläche des Bandes gedrückt wird, einen Durchmesser besitzt, der kleiner als derjenige des Zylinders (10) ist, der gegen die nichtleitende Fläche des Bandes gedrückt wird.
  3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Aufrollen der Lasche (7) ausgeführt wird, indem der auf der nichtleitenden Fläche (3) angeordnete Zylinder (10) festgehalten wird und indem bewirkt wird, daß der andere Zylinder (11) auf der leitenden Fläche (5) rollt.
  4. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Aufrollen der Lasche (7) ausgeführt wird, indem die beiden Zylinder (10, 11) relativ zueinander festgehalten werden und indem bewirkt wird, daß der Zylinder (10), der auf der nichtleitenden Fläche angeordnet ist, auf dieser Fläche rollt, indem der andere Zylinder (11) angetrieben wird.
  5. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß zwischen die gegenüberliegenden nichtleitenden Oberflächen der Lasche (7) und des Bandes (1) außerdem ein Klebstoffpunkt hinzugefügt wird.
  6. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß nur der auf der nichtleitenden Fläche (3) angeordnete Zylinder (10) erwärmt wird.
  7. Elektrische Verbindung zwischen einem dünnen Kunststoffband (1), das auf nur einer Fläche (5) eine leitende Beschichtung aufweist, und einem zweiten Leiter (15), der sich auf der nichtleitenden Seite (3) des Bandes (1) befindet, dadurch gekennzeichnet, daß eine aus dem Endabschnitt des Bandes (1) gebildete Lasche (7) durch Wärmeformung zu einer Schleife geformt ist, derart, daß sich die nichtleitende Fläche des Endes der Lasche an einen nichtleitenden Abschnitt (3) des Bandes (1) schmiegt.
EP94114424A 1993-09-21 1994-09-14 Verfahren zur Erreichung einer elektrischen Verbindung mit einem einseitigen leitenden dünnen Band sowie die so erhaltene Verbindung Expired - Lifetime EP0644614B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9311315 1993-09-21
FR9311315A FR2710460B1 (fr) 1993-09-21 1993-09-21 Procédé d'obtention d'une connection électrique avec une bande mince conductrice monoface et connexion ainsi obtenue.

Publications (2)

Publication Number Publication Date
EP0644614A1 EP0644614A1 (de) 1995-03-22
EP0644614B1 true EP0644614B1 (de) 1999-01-13

Family

ID=9451147

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94114424A Expired - Lifetime EP0644614B1 (de) 1993-09-21 1994-09-14 Verfahren zur Erreichung einer elektrischen Verbindung mit einem einseitigen leitenden dünnen Band sowie die so erhaltene Verbindung

Country Status (5)

Country Link
US (1) US5594986A (de)
EP (1) EP0644614B1 (de)
JP (1) JP2657045B2 (de)
DE (1) DE69415905T2 (de)
FR (1) FR2710460B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9511326D0 (en) * 1995-06-05 1995-08-02 Welwyn Lighting Designs Ltd Method of manufacturing lampshades and apparatus for performing the method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1137784B (de) * 1957-01-23 1962-10-11 Ulrich Tuchel Kontaktanordnung fuer elektrische Steckverbindungen
JPS503669A (de) * 1973-05-14 1975-01-16
US4266339A (en) * 1979-06-07 1981-05-12 Dielectric Systems International, Inc. Method for making rolling electrode for electrostatic device
US4870969A (en) * 1988-09-16 1989-10-03 Somatics, Inc. Electrode application system and method for electroconvulsive therapy
US5131854A (en) * 1991-05-30 1992-07-21 Rick Jose Electrical connector for attaching an electrode to a patient in a medical procedure

Also Published As

Publication number Publication date
DE69415905T2 (de) 1999-08-19
JP2657045B2 (ja) 1997-09-24
EP0644614A1 (de) 1995-03-22
US5594986A (en) 1997-01-21
DE69415905D1 (de) 1999-02-25
JPH07169547A (ja) 1995-07-04
FR2710460A1 (fr) 1995-03-31
FR2710460B1 (fr) 1995-11-17

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