DE2064955B2 - Electrically heatable pane of glass with areas of increased heating power and processes for their production - Google Patents

Electrically heatable pane of glass with areas of increased heating power and processes for their production

Info

Publication number
DE2064955B2
DE2064955B2 DE19702064955 DE2064955A DE2064955B2 DE 2064955 B2 DE2064955 B2 DE 2064955B2 DE 19702064955 DE19702064955 DE 19702064955 DE 2064955 A DE2064955 A DE 2064955A DE 2064955 B2 DE2064955 B2 DE 2064955B2
Authority
DE
Germany
Prior art keywords
field
burned
strips
metallic
glass
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.)
Granted
Application number
DE19702064955
Other languages
German (de)
Other versions
DE2064955A1 (en
DE2064955C3 (en
Inventor
Hans Dipl.-Phys.Dr. Baum
Dieter John
Ralf Reinicke
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.)
Vegla Vereinigte Glaswerke GmbH
Original Assignee
SPIEGELGLASWERKE GERMANIA 5050 PORZ
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 SPIEGELGLASWERKE GERMANIA 5050 PORZ filed Critical SPIEGELGLASWERKE GERMANIA 5050 PORZ
Priority to DE19702064955 priority Critical patent/DE2064955C3/en
Publication of DE2064955A1 publication Critical patent/DE2064955A1/en
Publication of DE2064955B2 publication Critical patent/DE2064955B2/en
Application granted granted Critical
Publication of DE2064955C3 publication Critical patent/DE2064955C3/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/023Cleaning windscreens, windows or optical devices including defroster or demisting means
    • B60S1/026Cleaning windscreens, windows or optical devices including defroster or demisting means using electrical means
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/84Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Surface Heating Bodies (AREA)
  • Surface Treatment Of Glass (AREA)
  • Resistance Heating (AREA)

Claims (3)

1 2 der verschiedenen Bereiche der beheizbaren Glas- Vatentansprikhe: scheibe allein durch Änderung der Querschnittsabmessungen der eingebrannten Leitstreifen eingestellt.1 2 of the different areas of the heated glass Vatentansprikhe: pane adjusted solely by changing the cross-sectional dimensions of the burned-in guide strips. 1. Elektrisch beheizbare Glasscheibe mit auf Es hat sich gezeigt, daß es vorteilhaft sein kann, der Glasoberfläche angeordneten, aus einer 5 bei einer solchen Heizscheibe die Leitstreifen nachdruckfähigen Leitmetallzusamrnensetzung beste- träglich mit einem Schutzüberzug zu versehen. Dahenden eingebrannten Leitstreifen, die zur BiI- durch kann die Korrosionsbeständigkeit der Leitdung eines Sichtfeldes mit verstärkter Heizlei- streifen erforderlichenfalls erhöht werden. Außerdem stung im Bereich dieses Sichtfeldes einen höheren kann durch einen solchen Schutzüberzug, falls er aus Widerstand je Längeneinheit als außerhalb des io einem reinen Metall besteht, die Widerstandsfähig-Sichtfeldes aufweisen, wobei die eingebrannten keit der Leitstreifen gegen mechanische Belastungen Leitstreifen aus einer in einem einzigen Arbeits- erhöht werden. Eingebrannte Leitstreifen allein sind gang aufgetragenen Leitmetallzusammensetzung nämlich naturgemäß spröde, und es können sich bei bestehen und der unterschiedliche elektrische mechanischer Belastung Risse und Unterbrecher bil-Leitwert innerhalb der verschiedenen Bereiche 15 den, die zum Ausfall eines oder mehrere Heizleiter allein durch Änderung der Querschnittsabmes- führen. Die Gefahr wird wesentlich verringert, wenn sungen der eingebrannten Leitstreifen eingestellt auf den eingebrannten Heizleitern eine duktile Meist, nach Patent 1911561, dadurch ge- tallschichtsitzt.1. Electrically heated glass pane with on It has been shown that it can be advantageous arranged on the glass surface, the guide strips can be reprinted from a 5 in such a heating disk Conductive metal composition to be provided with a protective coating in the best possible way. Approaching Burned-in conductive strips that can help improve the corrosion resistance of the conductive earth a field of view with reinforced heating strips can be increased if necessary. aside from that Performance in the area of this field of vision can be increased by such a protective coating, if it is off Resistance per unit of length as outside the io consists of a pure metal, the resistant field of view have, whereby the baked-in speed of the guide strips against mechanical loads Guide strips can be increased from one to one working. Burned-in guide strips are alone This is because the conductive metal composition applied in the course of the process is naturally brittle, and it can become exist and the different electrical mechanical stress cracks and interrupters bil conductance within the various areas 15 that lead to the failure of one or more heating conductors Simply by changing the cross-sectional dimensions. The risk is significantly reduced if sings of the burned-in conductive strips set a ductile mostly on the burned-in heating conductors, according to patent 1911561, thereby seated in layers of metal. kennzeichnet, daß die eingebrannten Leit- Die Erfindung zeichnet sich demgemäß dadurchindicates that the burnt-in guide The invention is accordingly characterized streifen mit einem metallischen Schutzüberzug ao aus, daß die gemäß dem Hauptpatent ausgebildeten versehen sind. eingebrannten Leitstreifen mit einem metallischenstrip with a metallic protective coating ao that the trained according to the main patent are provided. burned-in guide strips with a metallic 2. Verfahren zur Herstellung einer elektrisch Schutzüberzug versehen sind.2. Process for the production of an electrically protective coating are provided. beheizbaren Glasscheibe nach Anspruch 1, da- In an sich bekannter Weise kann dieser metalli-heatable pane of glass according to claim 1, there- in a manner known per se this can be metallic durch gekennzeichnet, daß der metallische sehe Überzug durch galvanischen Niederschlag odercharacterized in that the metallic see coating by electroplating or Schutzüberzug galvanisch aufgebracht wird. 25 auch durch ein stromloses NiederschlagsverfahrenProtective coating is applied galvanically. 25 also by an electroless precipitation process 3. Verfahren zur Herstellung einer elektrisch erfolgen. Bei dem stromlos arbeitenden Niederbeheizbaren Glasscheibe nach Anspruch 1, da- schlagsverfahren, wie sie insbesondere für den durch gekennzeichnet, daß der metallische Niederschlag von Nickel bekannt sind, werden Me-Schutzüberzug durch ein stromloses Nieder- tallionen enthaltende Lösungen verwendet, wobei die schlagsverfahren aufgebracht wird. 30 Metallionen auf der zu metallisierenden Unterlage3. Method of making an electrically done. In the case of the low-power heater that works without electricity Glass pane according to claim 1, the addition method, as it is in particular for the characterized in that the metallic precipitate of nickel are known to be Me protective coating by means of an electroless low-metal ion-containing solutions, the impact method is applied. 30 metal ions on the substrate to be metallized zum reinen Metall reduziert werden.
Durch den metallischen Überzug wird naturgemäß
can be reduced to pure metal.
The metallic coating is natural
der elektrische Widerstand erniedrigt und damit diethe electrical resistance is reduced and thus the Das Hauptpatent betrifft eine elektrisch beheiz- Heizleistung erhöht, was von vornherein beim Aufbare Glasscheibe mit auf der Glasoberfläche an- 35 drucken der Leitstreifen berücksichtigt werden muß. geordneten, aus einer druckfähigen Leitmetallzusam- Beim galvanischen Aufbringen des Schutzüberzuges mensetzung bestehenden eingebrannten Leitstreifen, kann ferner je nach der Anordnung der Anoden im die zur Bildung eines Sichtfeldes mit verstärkter Galvanobad auch eine unterschiedliche Auftrags-Heizleistung im Bereich dieses Sichtfeldes einen hö- dicke der Schutzschicht erreicht werden, wodurch geheren Widerstand je Längeneinheit als außerhalb des 40 gebenenfalls der Effekt des unterschiedlichen Leit-Sichtfeldes aufweisen. Gemäß dem Hauptpatent wird wertes im Sichtfeld und außerhalb des Sichtfeldes der unterschiedliche elektrische Leitwert innerhalb verstärkt werden kann.The main patent relates to an electrically heated heating output, which must be taken into account from the outset when the glass pane can be opened and the guide strips are printed on the glass surface. orderly, composed of a printable conductive metal Existing burnt-in conductive strips can also be used depending on the arrangement of the anodes in the that to form a field of vision with a reinforced galvanic bath also has a different application heating power In the area of this field of vision, a higher thickness of the protective layer can be achieved, which makes it possible Resistance per unit length than outside the 40 possibly the effect of the different guide field of view exhibit. According to the main patent, value is in the field of vision and outside of the field of vision the different electrical conductance within can be amplified.
DE19702064955 1970-12-21 1970-12-21 Electrically heatable pane of glass with areas of increased heating power and processes for their production Expired DE2064955C3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19702064955 DE2064955C3 (en) 1970-12-21 1970-12-21 Electrically heatable pane of glass with areas of increased heating power and processes for their production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702064955 DE2064955C3 (en) 1970-12-21 1970-12-21 Electrically heatable pane of glass with areas of increased heating power and processes for their production

Publications (3)

Publication Number Publication Date
DE2064955A1 DE2064955A1 (en) 1972-07-13
DE2064955B2 true DE2064955B2 (en) 1973-10-31
DE2064955C3 DE2064955C3 (en) 1974-06-12

Family

ID=5792844

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702064955 Expired DE2064955C3 (en) 1970-12-21 1970-12-21 Electrically heatable pane of glass with areas of increased heating power and processes for their production

Country Status (1)

Country Link
DE (1) DE2064955C3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2936398A1 (en) * 1979-09-08 1981-03-26 Ver Glaswerke Gmbh ELECTRICALLY HEATED GLASS

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3543694A1 (en) * 1985-12-11 1987-06-19 Leybold Heraeus Gmbh & Co Kg METHOD FOR PRODUCING CONTACT RAILS ON SUBSTRATES, ESPECIALLY ON DISC, AND DISC PRODUCED BY THE PROCESS
FR2743973A1 (en) * 1996-01-19 1997-07-25 Saint Gobain Vitrage GLAZING COMPRISING A HEATING NETWORK AND METHOD FOR MANUFACTURING SUCH GLAZING

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2936398A1 (en) * 1979-09-08 1981-03-26 Ver Glaswerke Gmbh ELECTRICALLY HEATED GLASS

Also Published As

Publication number Publication date
DE2064955A1 (en) 1972-07-13
DE2064955C3 (en) 1974-06-12

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EGA New person/name/address of the applicant
8327 Change in the person/name/address of the patent owner

Owner name: VEGLA VEREINIGTE GLASWERKE GMBH, 5100 AACHEN, DE

8340 Patent of addition ceased/non-payment of fee of main patent