GB751468A - Electrically conductive windshield - Google Patents

Electrically conductive windshield

Info

Publication number
GB751468A
GB751468A GB33664/54A GB3366454A GB751468A GB 751468 A GB751468 A GB 751468A GB 33664/54 A GB33664/54 A GB 33664/54A GB 3366454 A GB3366454 A GB 3366454A GB 751468 A GB751468 A GB 751468A
Authority
GB
United Kingdom
Prior art keywords
glass
electrodes
coating
sheet
windscreen
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
GB33664/54A
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.)
Libbey Owens Ford Glass Co
Original Assignee
Libbey Owens Ford Glass Co
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 Libbey Owens Ford Glass Co filed Critical Libbey Owens Ford Glass Co
Publication of GB751468A publication Critical patent/GB751468A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165Functional features of the laminated safety glass or glazing
    • B32B17/10174Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165Functional features of the laminated safety glass or glazing
    • B32B17/10293Edge features, e.g. inserts or holes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10807Making laminated safety glass or glazing; Apparatus therefor
    • B32B17/10981Pre-treatment of the layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60JWINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00Windows; Windscreens; Accessories therefor
    • B60J1/02Windows; Windscreens; Accessories therefor arranged at the vehicle front, e.g. structure of the glazing, mounting of the glazing
    • 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
    • H05B3/86Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields the heating conductors being embedded in the transparent or reflecting material
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017Manufacturing methods or apparatus for heaters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Non-Insulated Conductors (AREA)

Abstract

751,468. Electrically heated windscreens. LIBBEY-OWENS-FORD GLASS CO. Nov. 22, 1954 [Dec. 1, 1953], No. 33664/54. Class 39(3). A windscreen for a motor car comprises a glass sheet with a substantially flat central part e substantially covered by a transparent coating 20 forming . an electric heating resistance terminating inwards of the end parts g of the windscreen, which are bent back, current being led to the coating by electrodes 21 along opposite margins of the coating: Two strips 21 of electrode material e.g. a silver flux are applied to a flat glass sheet inwards of two opposed edges, and the sheet is moved on a monorail into a furnace where it is heated almost to fusing point e.g. 1250‹F. to bake on the electrodes, and a solution of tin chloride is sprayed on to the hot glass to form a uniform coating of tin oxide. After cooling, the coated sheet is preferably matched with a second uncoated flat glass sheet to form a laminated sheet and carried on a mould into a furnace where the glass sheets are supported at opposite edges and sag into the mould to a shape shown in Fig. 5 and allowed, to cool slowly to anneal the glass. After cutting the glass to shape so that the electrodes are at the edges, the coating is removed at the bent ends e.g. by rinsing with chemicals. Where the electrodes converge towards a tapered end of a windscreen at j, Fig. 10, the coating is given a concave edge 44 to ensure even heating of the coating. Alternatively the whole windscreen may remain coated, except for a narrow passage across the screen at the ends of the electrodes, so that no current can pass into the coated end portions. The electrodes terminate inwardly of the bent ends of the windscreens, but when the coating is wholly removed at these ends, the electrodes may extend to the extremities of the windscreen at the same or opposite ends for connection to the current supply. A thin strip of coating may be removed centrally across the glass to divide it into two portions and the corresponding central parts of the electrodes are also removed, so that each portion may be independently supplied with current e.g. through rheostats. Two glass sheets, one coated, may be laminated with a bonding layer of thermoplastic, and the uncoated sheet is either slightly narrower than the coated sheet to allow a current lead to be soldered to the exposed electrodes, or the uncoated sheet is notched at its inner edge to allow attachment of leads in parallel to an electrode. The windscreen is mounted in a continuous groove '52 in a rubber or like channel 53, through which the current leads 61 pass and may be soldered to a flat metal plate 59, which is pressed by a bowed leaf spring 60 located in the bottom of the groove 52. In this case the electrode is extended at 58 to the outer edge of the coated sheet by applying a similar material to the edge of the glass continuously or at spaced points.
GB33664/54A 1953-12-01 1954-11-22 Electrically conductive windshield Expired GB751468A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39539953A 1953-12-01 1953-12-01

Publications (1)

Publication Number Publication Date
GB751468A true GB751468A (en) 1956-06-27

Family

ID=23562871

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33664/54A Expired GB751468A (en) 1953-12-01 1954-11-22 Electrically conductive windshield

Country Status (6)

Country Link
BE (1) BE533697A (en)
DE (1) DE1070510B (en)
ES (1) ES218734A1 (en)
FR (1) FR1116234A (en)
GB (1) GB751468A (en)
LU (1) LU33229A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0609119A1 (en) * 1993-01-23 1994-08-03 Saint-Gobain Vitrage International Electrically heatable window

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109044A (en) * 1976-08-27 1978-08-22 Libbey-Owens-Ford Company Electrically heated window having sharply bent portions
DE2920363C2 (en) * 1979-05-19 1987-10-15 Vegla Vereinigte Glaswerke Gmbh, 5100 Aachen, De Antidazzle glass for use as vehicle windscreen - has filters which reduce light transmission along bottom edges and/or sides of pane
US4419570A (en) * 1980-03-03 1983-12-06 Societa Italiana Vetro - Siv - S.P.A. Heating glass pane
US4668270A (en) * 1986-09-11 1987-05-26 Ford Motor Company Method of making an electrically heated, glass vision unit
FR2634755B1 (en) * 1988-07-27 1992-06-12 Saint Gobain Vitrage ELECTRICAL SUPPLY OF ELECTRICALLY CONDUCTIVE THIN FILMS DEPOSITED ON A GLASS SUBSTRATE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0609119A1 (en) * 1993-01-23 1994-08-03 Saint-Gobain Vitrage International Electrically heatable window

Also Published As

Publication number Publication date
DE1070510B (en)
LU33229A1 (en) 1956-05-26
FR1116234A (en) 1956-05-04
ES218734A1 (en) 1955-12-16
BE533697A (en)

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