CA2218027C - Simulated beveled glass applique - Google Patents

Simulated beveled glass applique Download PDF

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Publication number
CA2218027C
CA2218027C CA002218027A CA2218027A CA2218027C CA 2218027 C CA2218027 C CA 2218027C CA 002218027 A CA002218027 A CA 002218027A CA 2218027 A CA2218027 A CA 2218027A CA 2218027 C CA2218027 C CA 2218027C
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CA
Canada
Prior art keywords
layer
texture
glass
polymeric material
front surface
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 - Fee Related
Application number
CA002218027A
Other languages
French (fr)
Other versions
CA2218027A1 (en
Inventor
Douglas C. Sundet
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
Priority claimed from US08/435,584 external-priority patent/US5631057A/en
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of CA2218027A1 publication Critical patent/CA2218027A1/en
Application granted granted Critical
Publication of CA2218027C publication Critical patent/CA2218027C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/37Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • B29C45/372Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings provided with means for marking or patterning, e.g. numbering articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44FSPECIAL DESIGNS OR PICTURES
    • B44F1/00Designs or pictures characterised by special or unusual light effects
    • B44F1/06Designs or pictures characterised by special or unusual light effects produced by transmitted light, e.g. transparencies, imitations of glass paintings
    • B44F1/063Imitation of leaded light
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44FSPECIAL DESIGNS OR PICTURES
    • B44F1/00Designs or pictures characterised by special or unusual light effects
    • B44F1/06Designs or pictures characterised by special or unusual light effects produced by transmitted light, e.g. transparencies, imitations of glass paintings
    • B44F1/066Designs or pictures characterised by special or unusual light effects produced by transmitted light, e.g. transparencies, imitations of glass paintings comprising at least two transparent elements, e.g. sheets, layers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)

Abstract

An appliqué (10) adapted to be adhered for decorative purposes to a planar surface on a layer of transparent material (e.g., of glass or plastic).
The appliqué comprises a layer of polymeric material (12) which is transparent and fret of visible inclusions. The front surface (16) of that layer includes a planar central portion (18) having a decorative surface texture (e.g., the surface texture of rippled glass, hammered glass, moss glass, Flemish glass, glue chip glass, or baroque glass), and beveled surface portions (20) around that textured surface portion.

Description

SIMULATED BEVELED GLASS APPLIQUE
Field of the Invention The present invention generally relates to appliques adapted to be adhered to sheets of glass (e.g., in windows, minors, or the like) to provide a decorative appearance, and particularly to such appliques that when applied have the appearance of pieces of cut beveled glass.
Background of the Invention to It is well known to use cut glass pieces of various peripheral shapes that can have beveled edge portions and/or decorative surface textures for a variety of decorative purposes. Such cut glass pieces have been assembled into decorative panels with other such glass pieces or planar glass pieces using lead or brass came and used in windows, doors, mirrors or tables. The process required to form the surface texture on the glass pieces, cut the glass pieces to shape and assemble shapes using the lead came is expensive and requires considerable skill and time.
Thus such panels are typically quite expensive.
U.S. Patents Nos. 5,098,760 and 4,619,850 describe different approaches for forming panels that generally have the appearance of the type of 2o decorative panels described above by adhering glass appliques to the surfaces of a glass panels, and thereby forming decorative glass panels at less expense than by the method described above, and allowing persons to form decorative glass panels from existing plane glass panels. These approaches, however, require forming glass appliques, and a person forming the panel must work with those glass appliques in a 2s manner that, for some, may be difficult.
Summary of the Invention The present invention provides appliques that simulate the ' appearance of cut beveled glass pieces with decorative surface portions that may be 30 adhered to the surface of transparent panels to thereby form decorative panels at less expense than by the methods described above, and that allow persons to form WO 96!34771 PCT/US96/04622 decorative panels from existing plane glass or polymeric panels in a simple manner that may easily be performed by most persons.
According to the present invention there is provided an applique adapted to be adhered for decorative purposes to a planar surface on a layer of transparent material, which applique comprises a layer of polymeric material.
The layer of polymeric material is transparent and free of visible inclusions, and has a planar rear surface and an opposite front surface. The front surface includes a central portion generally parallel with its rear surface that has a decorative surface texture, and beveled surface portions around its textured surface portion extending 1o from the textured surface portion toward its rear surface.
The textured surface on the applique can be any of the surface textures typically found on textured glass, which can include, but are not limited to, the surface textures found on what are called rippled glass, hammered glass, moss glass, Flemish glass, glue chip glass, and baroque glass.
15 The polymeric materials from which the applique can be made include plasticized polyvinyl chloride, polycarbonate, cellulose acetate butyrate, methylmethacrylate, and polystyrene.
While the applique can be adhered to the panel using liquid adhesives applied between the applique and the panel at the time of application, preferably, to 2o insure that the adhesive by which it is applied is free of inclusions so that it will not be seen when the applique is applied, the applique can further include a layer of pressure sensitive adhesive along and entirely covering its rear surface.
So that it simulates a piece of cut glass, the layer of polymeric material in the applique should have a thickness between its front and rear surfaces 25 of at least 0.023 inch, and preferably about 0.076 inch, and its beveled surface portions should be disposed at an angle in the range of about 140 to 178 degrees with respect to its textured surface portion.
-2-According to another aspect of the present invention, there is provided in combination, a sheet of transparent material having first and second major surfaces;
and an applique comprising only one layer of rigid polymeric material, said layer of rigid polymeric material being transparent and free of visible inclusions, and having a planar rear surface and an,opposite front surface, said front surface including a central portion generally parallel to said rear surface and having a decorative surface texture, said front surface also including beveled surface portions around said textured surface portion starting at and extending from said textured surface portion toward said rear surface; and a layer of pressure sensitive adhesive adhering said rear surface of said applique to said first surface of said layer of transparent material, said layer of adhesive being along and entirely covering said rear surface and being free of visible inclusions.
According to still another aspect of the present invention, there is provided a method for forming an applique adapted to be adhered for decorative purposes to a planar surface on a layer of transparent material, said method comprising the steps of: forming a piece of cut glass in a shape that is desired to be replicated and with the desired surface texture on the central portion of its front surface through the use of traditional glass working methods; plating the frant surface of the piece of cut glass with electroless silver to make that front surface conductive, and then further coating over the front surface with a heavy coating of nickel by an electroplating process;
separating the cut glass from the metal coating; and using the metal coating as a mold corresponding in shape to the front surface of the cut: glass piece and having a surface 2a texture that is a mirror image of the surface texture of the cut glass piece to form a front surface on a layer of polymeric material corresponding in shape to the front surface of the piece of cut glass.
2b Brief Description of the Drawings The present invention will be more fully described with reference to the accompanying drawing wherein like reference numerals refer to like parts in the several views, and wherein:
Figure 1 is a front view of an applique according to the present invention;
Figure 2 is a edge view of the applique of Figure 1;
Figure 3 is a sectional view taken approximately along line 3-3 of Figure 1; and to Figure 4 is a fragmentary view of the applique of Figure 1 and simulated came adhered to a panel to provide a decorative erect.
Detailed Description of a Preferred Embodiment Referring now to the drawing, there is illustrated an applique according to the present invention generally designated by the reference numeral 10.
As is best seen in Figures 1 and 2, the applique 10 comprises a layer 12 of polymeric material that is transparent and free of visible inclusions.
The layer 12 has a planar rear surface 14 and an opposite front surface 16. That front surface 16 includes a planar central portion 18 generally parallel with the rear surface 14 2o and having a decorative surface texture; and beveled surface portions 20 around that textured surface portion 18 extending from the textured surface portion toward the rear surface 14.
As illustrated, the surface texture on the central portion 18 of the front surface 16 is the same as the surface texture on what is called glue chip glass.
The surface texture on glue chip glass is formed by applying animal glue to the surface of glass that has been sandblasted, and then heating the glue and allowing it to dry, which causes the glue to pull chips from the surface of the glass, thereby producing a generally fern like surface pattern or texture.
a Alternatively, however the texture on the central portion 18 could be a 30 any of the many surface textures typically found on textured glass. Such textures include the surface textures on what is called ripple glass, the surface of which has
-3-high and low spots of rippled or wormy contour or texture; hammered glass which has circular hammered impressions along its surface; moss glass which has a fine gravely surface contour or texture; Flemish glass which has wide high and low spots along its surface; and baroque glass which has a raised wildly swirled surface contour or texture.
So that it will have the appearance of cut beveled glass when applied to a sheet of glass, the layer 12 of polymeric material should be free of inclusions and optically clear, and should have an index of refraction between 1.35 and 1.65.
Examples of suitable materials from which to produce the layer 12 of polymeric 1o material include plasticized polyvinyl chloride, polycarbonate, cellulose.acetate butyrate, methylmethacrylate, and polystyrene.
As illustrated, the applique 10 also includes a layer 22 of pressure sensitive adhesive along and entirely covering its rear surface 14. The layer 22 of pressure sensitive adhesive should be free of visible inclusions, and can be one of TM
15 the acrylate type pressure sensitive adhesives commercially identified as TM TM
transfer adhesive, Scotch brand 666 double coated tape and Scotch brand VIA
transfer adhesive, all manufactured by Minnesota Mining and Manufacturing Company, St. Paul, MN. W curable acrylate pressure sensitive adhesives may also be useful. The side of the layer 22 of pressure sensitive adhesive opposite the rear 2o surface 14 can be protected with a conventional release liner 24 which is removed just prior to adhering the applique 10 to a substrate or panel.
The applique 10 is illustrated with a diamond shaped periphery 25, however it can be made with a periphery of any shape that is desired (e.g., square, round, octagonal, rectangular, free fonm, etc.) to provide a decorative effect. So 25 that the applique 10 will provide the appearance of a piece of cut glass, it should have a thickness between its rear surface 14 and the central textured surface portion 18 of its front surface 16 of at least 0.023 inch, and preferably a thickness of about 0.076 inch. The beveled surface portions 20 of the applique 10 should be disposed .
at an angle 23 in the range of about 140 to 178 degrees and preferably about 3o degrees with respect to the textured surface portion 18, and should have a width normal to the periphery 25 of the applique 10 in the range of about 0.25 to 0.5 inch.

WO 96/34771 PC'T/US96/04622 The applique 10 can be applied to a transparent panel 26 of glass or polymeric material (see Figure 4) by simply removing the release liner 24 and pressing the layer 22 of pressure sensitive adhesive against the cleaned surface of the panel 26. A method of applying the applique 10 which allows it to be repositionable on the surface of the panel 26 for a short period of time so that it can be precisely positioned is to first apply to the panel 26 a mixture of water, polypropyl alcohol and liquid detergent, such as a liquid dish washing detergent (e.g., "Joy"(trade mark) liquid detergent, manufactured by Procter & Gamble, Cincinnati, OIL in an approximate ratio of 40:20:1. That liquid mixture allows the to applique 10 to be easily slid around the surface of a glass panel until it is precisely in a desired location. The liquid will evaporate over time, such as overnight, after which the applique 10 will be permanently bonded to the glass. This method further reduces visual flaws, such as entrapped air, when the applique 10 is adhered to glass.
i5 The applique 10 may be fabricated by one of several methods. One such method is to first form a piece of cut glass in a shape that is desired to be replicated and with the desired surface texture on the central portion of its front surface which is formed by traditional glass working methods. That piece of cut glass is first plated with electroless silver over its front surface to make that surface 2o conductive, and then further coated with a heavy coating of nickel (e.g., 0.06 inch thick) by an electroplating process. The piece of cut glass is separated or broken away from the metal coating that then becomes a mold corresponding in shape to the surface of the cut glass piece and having a surface texture that is a mirror image of the surface texture of the cut glass piece. That mold can either be adapted for 25 use as part of the mold in an injection molding process using liquid polymeric material, or can be used as a die that is pressed against a heated (e.g., about 370 degree Fahrenheit) solid layer of polymeric material (e.g., vinyl) and then cooled under pressure to replicate the front surface of the cut glass piece with polymeric material, after which the periphery of the polymeric material is cut to the 3o appropriate shape. An alternative method for fabricating the applique is to photograph a surface texture that is desired on the central textured portion 18, _5_ machine a mold having the desired shape for the periphery and front surface of the applique, except for having a planar surface for the surface portion'I8, using a photochemical engraving process to farm the mirror image of the desired surface texture on the surface of the die corresponding to the textured surface portion 18 of the applique, and then using that mold either in an injection molding process using liquid polymeric material, or as a die into which solid layers of polymeric material are pressed under heat and pressure to form the applique 10.
Figure 4 illustrates use of the applique 10 according to the present invention in combination with simulated came 30 on the panel 26 to simulate the 1o appearance of a leaded window or a leaded mirror. The simulated came 30 can be one of the types of simulated brass or lead came described in my U. S. Patent No. 5,840,407 attorney docket no 508b1USAlA;
or can alternatively be one of the types of simulated came presently available in the marketplace, which simulated comes typically comprise a strip (e.g., of lead or brass 15 or vapor coated polymeric material) that can be cut to length and adhered to the surface of the panel by a layer of pressure sensitive adhesive coated on the simulated comes.
The present invention has now been described with reference to one embodiment, and several possible modifications thereof. It will be apparent to those 2o skilled in the art that many changes can be made in the embodiment described without departing from the scope of the present invention. Thus the scope of the present invention should not be Limited to the structures described in this application, but only by the structure described by the language of the claims and the equivalents thereof.

Claims (14)

CLAIMS:
1. An appliqué adapted to be adhered for decorative purposes to a planar surface on a layer of transparent material, said appliqué comprising only one layer of rigid polymeric material, said layer of rigid polymeric material being transparent and free of visible inclusions, and having a planar rear surface and an opposite front surface, said front surface including a central portion generally parallel with said rear surface and having one or more decorative surface textures selected from a group of surface textures typically found on textured glass consisting of rippled texture, wormy texture, hammered texture, moss texture, Flemish texture, glue chip texture and baroque texture, said front surface also including beveled surface portions around said textured surface portion starting at and extending from said textured surface portion toward said rear surface.
2. An appliqué according to claim 1, wherein said polymeric material has an index of refraction between 1.35 and 1.65 and is selected from a group consisting of plasticized polyvinyl chloride, polycarbonate, cellulose acetate butyrate, methylmethacrylate, and polystyrene.
3. An appliqué according to claim 1 or 2, further including a layer of pressure sensitive adhesive along and entirely covering said rear surface, said layer of pressure sensitive adhesive being free of visible inclusions.
4. An appliqué according to any one of claims 1 to 3, wherein said layer of polymeric material has a thickness between said front and rear surfaces of at least 0.023 inch.
5. An appliqué according to any one of claims 1 to 3, wherein said layer of polymeric material has a thickness between said front and rear surfaces of about 0.076 inch, and said beveled surface portions are disposed at an angle of about 170 degrees with respect to said textured surface portion.
6. In combination, a sheet of transparent material having first and second major surfaces; and an appliqué
comprising only one layer of rigid polymeric material, said layer of rigid polymeric material being transparent and free of visible inclusions, and having a planar rear surface and an opposite front surface, said front surface including a central portion generally parallel to said rear surface and having one or more decorative surface textures selected from a group of surface textures typically found on textured glass consisting of rippled texture, wormy texture, hammered texture, moss texture, Flemish texture, glue chip texture and baroque texture, said front surface also including beveled surface portions around said textured surface portion starting at and extending from said textured surface portion toward said rear surface; and a layer of pressure sensitive adhesive adhering said rear surface of said applique to said first surface of said layer of transparent material, said layer of adhesive being along and entirely covering said rear surface and being free of visible inclusions.
7. A combination according to claim 6, wherein said sheet is of glass.
8. A combination according to claim 6, wherein said sheet is a portion of a window.
9. A combination according to claim 7, wherein said sheet has a coating of reflective material over said second surface.
10. A combination according to any one of claims 6 to 9, wherein said sheet is of polymeric material.
11. A combination according to any one of claims 6 to 10, wherein said polymeric material in said applique is selected from a group consisting of plasticized polyvinyl chloride, polycarbonate, cellulose acetate butyrate, methylmethacrylate, and polystyrene.
12. A method for forming an applique adapted to be adhered for decorative purposes to a planar surface on a layer of transparent material according to any one of claims 1 to 5, said method comprising the steps of:
forming a piece of cut glass in a shape that is desired to be replicated in the applique and with the desired surface texture on the central portion of its front surface through the use of traditional glass working methods;
plating the front surface of the piece of cut glass with electroless silver to make that front surface conductive, and then further coating over the front surface with a heavy coating of nickel by an electroplating process;
separating the cut glass from the metal coating;
and using the metal coating as a mold corresponding in shape to the front surface of the cut glass piece and having a surface texture that is a mirror image of the surface texture of the cut glass piece to form a front surface of the applique on a layer of polymeric material corresponding in shape to the front surface of the piece of cut glass.
13. The method of claim 12, wherein said using step includes using the metal coating as part of a mold in an injection molding process.
14. The method of claim 12, wherein said using step includes using the metal coating as a die by pressing that die against a heated solid layer of polymeric material, and then cooled that solid layer of polymeric material under pressure to replicate the front surface of the cut glass piece, and trimming the periphery of the layer of polymeric material to correspond with the periphery of the cut glass piece.
CA002218027A 1995-05-05 1996-04-04 Simulated beveled glass applique Expired - Fee Related CA2218027C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/435,584 1995-05-05
US08/435,584 US5631057A (en) 1995-05-05 1995-05-05 Simulated beveled glass applique
PCT/US1996/004622 WO1996034771A2 (en) 1995-05-05 1996-04-04 Simulated beveled glass applique

Publications (2)

Publication Number Publication Date
CA2218027A1 CA2218027A1 (en) 1996-11-07
CA2218027C true CA2218027C (en) 2006-12-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA002218027A Expired - Fee Related CA2218027C (en) 1995-05-05 1996-04-04 Simulated beveled glass applique

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CA2218027A1 (en) 1996-11-07

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