EP0101648A2 - Graphische Anzeigetafel - Google Patents

Graphische Anzeigetafel Download PDF

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Publication number
EP0101648A2
EP0101648A2 EP83304724A EP83304724A EP0101648A2 EP 0101648 A2 EP0101648 A2 EP 0101648A2 EP 83304724 A EP83304724 A EP 83304724A EP 83304724 A EP83304724 A EP 83304724A EP 0101648 A2 EP0101648 A2 EP 0101648A2
Authority
EP
European Patent Office
Prior art keywords
core
display panel
feature
woven
panel according
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.)
Withdrawn
Application number
EP83304724A
Other languages
English (en)
French (fr)
Other versions
EP0101648A3 (de
Inventor
Robert W. C/O Minnesota Mining Fritts
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of EP0101648A2 publication Critical patent/EP0101648A2/de
Publication of EP0101648A3 publication Critical patent/EP0101648A3/de
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards

Definitions

  • This invention relates to an improved display panel upon which graphic images may be displayed outdoors and which will be resistant to vandalism to afford extended life for an information panel in high traffic areas.
  • the present invention affords a new display panel construction which will maintain an acceptable appearance for an extended length of time and which will provide relatively inexpensive long-lived display panels permitting graphics as well as printed matter to be placed on such a disptay panel.
  • the present invention provides a display panel for high traffic rough service areas comprising a weatherproof rigid core formed of a self-supporting material, a woven material bonded to at least one face of said core, said woven material having solid color pigment particles in image-forming arrays on the surface of said material opposite said core, and a transparent coating of ultraviolet light resistant, high-impact resin disposed over the woven material and covering the edges and opposite surface of the core to protect the same from the elements.
  • the core may be formed of medium density overlay plywood having a prime coating thereon to give it a uniform appearance, the bonding material preferably impregnates the woven material and the transparent coating is a urethane coating resistant to yellowing.
  • the display panel of the present invention provides a solution which has been urgent needed for large long-lived display panels that carry photographic- like color images. It is necessary that such display panels be weather-resistant, fade-resistant and strong enough in its construction to withstand considerable physical abuse.
  • Protective panels of plexiglas or polycarbonate plastic have been used in protecting photographic prints, and another current practice uses a technique in which the image on paper is embedded in a panel of polyester resin reinforced with glass cloth for strength. The result, however, has been that chemical reactions result between the image and the polyester resin chemicals, altering the color of the image.
  • Photographic color emulsions carried on a paper backing are fragile and it is difficult to bond the image surface to any supporting surface without damaging or altering the image appearance.
  • the present invention provides color photographic-type images for display panels which will provide good weather and vandal resistance in high traffic areas.
  • the color image will be applied to a white cotton canvas woven material produced by the spraying of solid color pigment particles onto the woven material by the imaging process for producing images on flexible canvas materials, which imaged product is available from the Minnesota Mining & Manufacturing Company of St. Paul, Minnesota, and marketed under the trademark "SCANAMURAL".
  • SCANAMURAL Minnesota Mining & Manufacturing Company of St. Paul, Minnesota
  • These images are available on 1.2 x 2.4, 1.2 x 3, 1.2 x 3.6, 1.2 x 4.25, (4 x 8, 4 x 10, 4 x 12, 4 x 14), or other width-length combinations up to 3 meters by 4.6 meters (10 feet by 15 feet).
  • the display panel 5 comprises a self supporting core 6 which is preferably formed of a sheet of medium density overlay plywood.
  • the corners of the plywood panel are sanded lightly to round off the sharp edges.
  • the medium density overlay plywood has a kraft paper coating 7 adhered to the plywood by the resin bonding the wood laminate.
  • the paper layer 7 is shown in Figure 3.
  • a sheet of imaged woven material 8 is bonded to the surface of the core 6 using a white curable adhesive material 9 such as waterproof adhesive or glue.
  • the adhesive material may be a polyvinyl acetate glue or a marine liquid adhesive.
  • An example of the adhesive material is AP-813 Synthetic Latex available from H. B. Fuller Company of St. Paul, Minnesota.
  • Another example is white fabric-leather cement available from Val-A Company of Chicago, Illinois.
  • the adhesive material is roller coated or knife coated to the plywood core front surface and to the edges and to the back side areas that will be covered with the canvas.
  • the canvas 8 will then be placed in contact with the adhesive and rolled flat and pulled around the edges to the back.
  • a rectangle of unimaged white canvas 10 may be applied to a similar coating of glue on the rear surface of the core.
  • the woven material placed on the back side of the core will serve to balance the panel against warping. This is an optional step to be used where a specific panel mounting method requires precise panel balancing.
  • the plywood core 6 with the imaged woven material bonded in place with the adhesive material cured to the solid state is now coated to provide a weather seal and to physically embed the imaged surface into the panel.
  • This is done by impregnating the canvas and coating the pigments 11 with a high-strength clear polymer, e.g., an aliphatic polyurethane water based dispersion 12.
  • This coating 12 when cured, exhibits high impact strength and resists yellowing from ultraviolet light.
  • One such formulation for the clear coat is sold as R960 polyurethane clear coat by Polyvinyl Industries Division of Beatrice Foods of Wilmington, Mass.
  • the clear coat 12 may be applied by spraying or by dipping the panel in a pool of solution.
  • the clear coat solution penetrates the imaged woven material to contact the interface of the bonding adhesive material, thus totally embedding the woven imaged material including the strands and threads of the woven material and the solid pigments 11 defining the image.
  • the thickness of the clear coat 12 can be built up with multiple coats to provide the desired thickness.
  • the clear coat can be applied sufficiently thick to permit scouring for removal of any vandal-applied markings, including aerosol spray paints.
  • a fine silica may be incorporated in the clear coat formulation which provides the panel with a glare-free mat finish to enhance the image quality.
  • the panels are prepared for mounting by pre- drilling screw or bolt mounting holes to suitably/support the structures.
  • the exposed surfaces around the holes can be coated as the panel is coated with the clear polymer or resin.
  • the panel 5 can be formed by applying a coating to the paper layer 7 of the polyurethane polymer which will form a base layer.
  • the polyurethane polymer in the adhesive area 9 then supports the fabric which may be stretched in place on the core 6 and bonded by staples to the backside.
  • the cover coat 12 of the polyurethane polymer is then applied which impregnates the fabric 8 and securely bonds to the primary layer 9 and embeds the fabric in the polymer and bonds it to the core.
  • the panel 5 provides a vandal-resistant performance due to the high tensile strength gained from the canvas or woven material covering the core combined with the high impact clear coat that resists impact shattering.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Road Signs Or Road Markings (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Load-Bearing And Curtain Walls (AREA)
EP83304724A 1982-08-20 1983-08-15 Graphische Anzeigetafel Withdrawn EP0101648A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40988782A 1982-08-20 1982-08-20
US409887 1982-08-20

Publications (2)

Publication Number Publication Date
EP0101648A2 true EP0101648A2 (de) 1984-02-29
EP0101648A3 EP0101648A3 (de) 1984-12-05

Family

ID=23622381

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83304724A Withdrawn EP0101648A3 (de) 1982-08-20 1983-08-15 Graphische Anzeigetafel

Country Status (3)

Country Link
EP (1) EP0101648A3 (de)
JP (1) JPS5967577A (de)
AU (1) AU1815883A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2677583A1 (fr) * 1991-06-12 1992-12-18 De Malliard Hugues Procede pour la decoration d'un support.
DE10116158A1 (de) * 2001-03-31 2002-10-10 Jose Monzo Anzeigenschild oder-tafel, insbesondere Verkehrsschild oder Werbetafel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1679288A (en) * 1926-11-19 1928-07-31 George H Allen Weatherproof sign
FR1100142A (fr) * 1954-02-26 1955-09-16 Panneaux de signalisation routière ou publicitaire
FR1483935A (fr) * 1966-04-27 1967-06-09 Nouveau panonceau publicitaire auto-adhésif
DE2504283A1 (de) * 1975-02-01 1976-08-05 Josef Burscheid Inhaber Heinz Ansteckplakette mit textiler frontseite
US4076881A (en) * 1975-09-02 1978-02-28 Sanyo Shokai Ltd. Interlining structure for apparel and method for its production

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2677583A1 (fr) * 1991-06-12 1992-12-18 De Malliard Hugues Procede pour la decoration d'un support.
DE10116158A1 (de) * 2001-03-31 2002-10-10 Jose Monzo Anzeigenschild oder-tafel, insbesondere Verkehrsschild oder Werbetafel

Also Published As

Publication number Publication date
JPS5967577A (ja) 1984-04-17
AU1815883A (en) 1984-02-23
EP0101648A3 (de) 1984-12-05

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): DE FR GB IT SE

PUAL Search report despatched

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AK Designated contracting states

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STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 19850806

RIN1 Information on inventor provided before grant (corrected)

Inventor name: FRITTS, ROBERT W.C/O MINNESOTA MINING