EP0447040B1 - Manufacture of simulated lead lights - Google Patents
Manufacture of simulated lead lights Download PDFInfo
- Publication number
- EP0447040B1 EP0447040B1 EP91301245A EP91301245A EP0447040B1 EP 0447040 B1 EP0447040 B1 EP 0447040B1 EP 91301245 A EP91301245 A EP 91301245A EP 91301245 A EP91301245 A EP 91301245A EP 0447040 B1 EP0447040 B1 EP 0447040B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- paint
- opaque
- transparent
- particulate material
- opaque paint
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F1/00—Designs or pictures characterised by special or unusual light effects
- B44F1/06—Designs or pictures characterised by special or unusual light effects produced by transmitted light, e.g. transparencies, imitations of glass paintings
- B44F1/063—Imitation of leaded light
Definitions
- the present invention primarily concerns a method of manufacturing simulated lead lights and stained glass windows of the kind, for example, referred in European Patent Specification No. 0 038 681.
- United States Patent Specification No. 4 103 052 discloses a window having the appearance of being a plurality of panes each adjoined to adjacent panes by cross-bars having the triangular cross-section, on each face of the window, which is typical of the cross-bars of wooden divided sash. This appearance is created by printing, of a single design on only one side of the window with only one colour, and incorporating unpainted areas to produce the illusion of three-dimensional depth of a triangular cross-section.
- United Kingdom Patent Specification No. GB 2 165 800 discloses a simulated leaded light pattern which is applied to a pane of glass by screen printing onto one face of the glass a pattern of lines of ink, then applying a coarse grit carborundum to the ink so that the carborundum adheres to the ink, curing the ink, then applying a second layer of ink and applying further, fine carborundum to the second layer of ink, curing the material again and then applying a final layer of ink.
- WO 86/02599 discloses a composition for simulated lead strips for leaded windows comprising 50-75 weight % binder, 5-15 weight % pigment, 5-20 weight % oil and 10-30 weight % filling, the binder being a polymer binder, chosen among polyvinyl alcohol based adhesives, polyurethan based adhesives and synthetic rubber based adhesives.
- the present invention provides a method of manufacturing a simulated lead light in which simulated opaque lead canes are built up on the surface of a transparent or translucent carrier, comprising the following steps:
- the method ideally includes a final application of opaque paint prior to final drying and curing.
- a number of applications of opaque paint may be employed in order to achieve a desired thickness, the minimum thickness typically being approximately 200 microns (dry film thickness).
- the opaque paint may be based on, for example, two-pack Epoxy resin and preferably includes micaceous iron oxide (MIO) pigment or tinted versions thereof.
- MIO micaceous iron oxide
- the preferred MIO epoxy paint gives enhanced durability, opacity and resistance to chemicals and ultra violet radiation.
- the opaque paint may include in its composition, at least one metallic pigment and/or other opacifying material such as aluminium, for example, in powdered form, or copper, zinc, stainless steel, lead or chromium.
- aluminium for example, in powdered form, or copper, zinc, stainless steel, lead or chromium.
- the addition of aluminium in the MIO-containing opaque paint results in enhanced durability.
- tinted colour versions of the preferred MIO Epoxy coating may be employed, whilst retaining the aesthetic and durability benefits of the high MIO pigment content of the paint.
- White or pastel colour versions may also be produced by the method according to the invention.
- the opaque paint may be any colour and "Gold leaf” or simulated “Gold leaf”, chromium or stainless steel, may optionally be applied over the final layer of opaque paint so as to enhance the decorative effect in addition to providing increased durability.
- the above methods may include the use of natural end/or forced drying or curing techniques partially or wholly to dry the paint and particulate material when applied.
- a typical durable simulated lead cane thickness may be built up by the above method to circa 1.5 to 3mm dry film thickness. Accelerated weathering tests showed that full adhesion and coating integrity were retained after testing for over 3000 hours. The test conditions are equivalent to exposure to approximately six years normal weathering.
- a typical opaque paint formulation is as follows: All w/w ratios are given with respect to the weight of the coating.
- Micaceous iron oxide 30 - 40% w/w Metallic Powders e.g. leafing aluminium paste.
- Organic or inorganic pigments e.g. Tio2 or Phthalocyanoblue 5 - 10% w/w
- Two-pack epoxy resin 25 -35% w/w Solvents, for example, glycol ethers higher alcholols or/and aromatic hydrocarbons. 25 - 30% w/w Additives 4 - 5% w/w
- the preferred micaceous iron oxide (MIO) epoxy paint may also contain circa 2% to 4% of leafing aluminium paste.
- the MIO epoxy paint may be reacted and cured with activators such as polyamide or suitable polyamine types or adducts as desired to suit production curing schedules.
- formulations given in examples 2 and 3 contain various additives including surfactants, dispersants and rheology control additives such as hydrogenated castor oil, aluminium stearate or Bentonite gellants.
- the method allows for various drying or force drying procedures on plastic sheets, for instance, which may not be able to endure high temperatures.
- the methods according to the invention allow the use of relatively inexpensive, readily available materials such as the transparent or translucent particulate material.
Landscapes
- Paints Or Removers (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Holo Graphy (AREA)
- Joining Of Glass To Other Materials (AREA)
- Spectrometry And Color Measurement (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
Description
- The present invention primarily concerns a method of manufacturing simulated lead lights and stained glass windows of the kind, for example, referred in European Patent Specification No. 0 038 681.
- United States Patent Specification No. 4 103 052 discloses a window having the appearance of being a plurality of panes each adjoined to adjacent panes by cross-bars having the triangular cross-section, on each face of the window, which is typical of the cross-bars of wooden divided sash. This appearance is created by printing, of a single design on only one side of the window with only one colour, and incorporating unpainted areas to produce the illusion of three-dimensional depth of a triangular cross-section.
- United Kingdom Patent Specification No. GB 2 165 800 discloses a simulated leaded light pattern which is applied to a pane of glass by screen printing onto one face of the glass a pattern of lines of ink, then applying a coarse grit carborundum to the ink so that the carborundum adheres to the ink, curing the ink, then applying a second layer of ink and applying further, fine carborundum to the second layer of ink, curing the material again and then applying a final layer of ink.
- The specification of WO 86/02599 discloses a composition for simulated lead strips for leaded windows comprising 50-75 weight % binder, 5-15 weight % pigment, 5-20 weight % oil and 10-30 weight % filling, the binder being a polymer binder, chosen among polyvinyl alcohol based adhesives, polyurethan based adhesives and synthetic rubber based adhesives.
- The present invention provides a method of manufacturing a simulated lead light in which simulated opaque lead canes are built up on the surface of a transparent or translucent carrier, comprising the following steps:
- (1) applying lines of an opaque paint to the carrier surface, the lines corresponding to the positions of the desired lead canes;
- (2) while the paint is still wet, applying transparent or translucent particulate material so that it adheres to the wet paint;
- (3) removing surplus unadhered material; and
- (4) drying the paint and the adhered particulate material;
- Inclusion of transparent or translucent particulate material makes for ease of production of many coloured versions in particular, white, pale grey and pastel colour versions of simulated lead lights.
- The method ideally includes a final application of opaque paint prior to final drying and curing.
- A number of applications of opaque paint may be employed in order to achieve a desired thickness, the minimum thickness typically being approximately 200 microns (dry film thickness).
- In both embodiments, the opaque paint may be based on, for example, two-pack Epoxy resin and preferably includes micaceous iron oxide (MIO) pigment or tinted versions thereof. The preferred MIO epoxy paint gives enhanced durability, opacity and resistance to chemicals and ultra violet radiation.
- The opaque paint may include in its composition, at least one metallic pigment and/or other opacifying material such as aluminium, for example, in powdered form, or copper, zinc, stainless steel, lead or chromium. The inclusion of aluminium, for instance, provides a tinting colour. Furthermore, the addition of aluminium in the MIO-containing opaque paint results in enhanced durability.
- Therefore, different tinted colour versions of the preferred MIO Epoxy coating may be employed, whilst retaining the aesthetic and durability benefits of the high MIO pigment content of the paint. White or pastel colour versions may also be produced by the method according to the invention.
- The opaque paint may be any colour and "Gold leaf" or simulated "Gold leaf", chromium or stainless steel, may optionally be applied over the final layer of opaque paint so as to enhance the decorative effect in addition to providing increased durability.
- The above methods may include the use of natural end/or forced drying or curing techniques partially or wholly to dry the paint and particulate material when applied.
- The invention will now be described in more detail with reference to the following specific examples:
-
- (1) An opaque paint, preferably based on micaceous-iron oxide (MIO) pigment dispersed into two-pack epoxy media is applied to the surface of the transparent or translucent carrier by screen printing;
- (2) dry transparent or translucent inorganic or organic particulate material, such as for example crushed glass or washed sea sand or powdered plastic of similar particle size (e.g. in the range 120-180 grit size), is applied to, and adheres to, the wet paint;
- (3) unadhered particulate material is removed by brushing or compressed air-hose blowing, for example;
- (4) the paint and the particulate material adhered thereto are allowed to dry. If desired, the drying process can be speeded up by force drying methods such as stoving, but in that case, only partial curing is effected;
- (5) Step (1) above is repeated to overcoat the partially constructed canes, thus providing an overall sandwich effect, the thickness of the overcoat being adjusted as required;
- (6) while the paint is still wet, a finer grate (e.g. in the range 320-600 grit size) of particulate material is applied in order to fill voids in the covering applied by step (2) and to enhance the effect and durability of the coating;
- (7) step (3) is repeated;
- (8) Step (4) is repeated;
- (9) Step (5) is repeated:
- (10) The canes are then fully dried, preferably using a hard cure method such as staving in order to achieve the desired toughness parameters.
- A typical durable simulated lead cane thickness may be built up by the above method to circa 1.5 to 3mm dry film thickness. Accelerated weathering tests showed that full adhesion and coating integrity were retained after testing for over 3000 hours. The test conditions are equivalent to exposure to approximately six years normal weathering.
- A typical opaque paint formulation is as follows:
All w/w ratios are given with respect to the weight of the coating.Micaceous iron oxide 30 - 40% w/w Metallic Powders e.g. leafing aluminium paste. 2 - 4% w/w Organic or inorganic pigments e.g. Tio₂ or Phthalocyanoblue 5 - 10% w/w Two-pack epoxy resin 25 -35% w/w Solvents, for example, glycol ethers higher alcholols or/and aromatic hydrocarbons. 25 - 30% w/w Additives 4 - 5% w/w - The preferred micaceous iron oxide (MIO) epoxy paint may also contain circa 2% to 4% of leafing aluminium paste.
- The MIO epoxy paint may be reacted and cured with activators such as polyamide or suitable polyamine types or adducts as desired to suit production curing schedules.
- Example of white version of the opaque paint
Rutile Titanium dioxide pigment Circa 30% w/w Two-pack Epoxy Resin 25 -35% w/w Additives 4 - 5% w/w - The formulations given in examples 2 and 3 contain various additives including surfactants, dispersants and rheology control additives such as hydrogenated castor oil, aluminium stearate or Bentonite gellants.
- The method allows for various drying or force drying procedures on plastic sheets, for instance, which may not be able to endure high temperatures.
- The methods according to the invention allow the use of relatively inexpensive, readily available materials such as the transparent or translucent particulate material.
- Though the invention is described above with reference to the manufacture of simulated lead lights, it will be understood that designs other than tradition Tudor type "lead lights" may also be constructed using the method outlined above. Such other designs may be constructed on glass sheets and other plastic sheeting or opaque sheet material such as decorative panels.
Claims (8)
- A method of manufacturing a simulated lead light in which simulated opaque lead canes are built up on the surface of a transparent or translucent carrier, comprising the following steps:(1) applying lines of an opaque paint to the carrier surface, the lines corresponding to the positions of the desired lead canes;(2) while the paint is still wet, applying transparent or translucent particulate material so that it adheres to wet paint;(3) removing surplus unadhered material; and(4) drying the paint and the adhered particulate material.
- A method according to Claim 1 wherein steps (1) to (4) are subsequently repeated using a finer grade particulate material.
- A method according to claim 1 or claim 2 including a final application of opaque paint prior to final drying and curing.
- A method according to any one of the preceding claims wherein the opaque paint is based on two-pack epoxy resin.
- A method according to any one of the preceding claims wherein the opaque paint includes micaceous-iron oxide pigment or tinted versions thereof.
- A method according to claim 5 wherein the opaque paint includes in its composition, at least one metallic pigment and/or other opacifying material selected from the following group: aluminium, copper, zinc, stainless steel, lead and chromium.
- A method according to any one of the preceding claims wherein "gold leaf", simulated "gold leaf", chromium or stainless steel is applied over the final layer of opaque paint.
- A simulated lead light manufactured according to any one of the preceding claims, comprising a transparent of translucent carrier having lines of opaque paint on its surface, on which lines transparent or translucent particulate material is adhered.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IE57890A IE63441B1 (en) | 1990-02-16 | 1990-02-16 | Improvements in and relating to manufacture of simulated lead lights |
IE57890 | 1990-02-16 | ||
IE105990 | 1990-03-22 | ||
IE105990 | 1990-03-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0447040A1 EP0447040A1 (en) | 1991-09-18 |
EP0447040B1 true EP0447040B1 (en) | 1996-06-05 |
Family
ID=26318929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91301245A Expired - Lifetime EP0447040B1 (en) | 1990-02-16 | 1991-02-15 | Manufacture of simulated lead lights |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0447040B1 (en) |
AT (1) | ATE138856T1 (en) |
DE (1) | DE69119947T2 (en) |
ES (1) | ES2090234T3 (en) |
IE (1) | IE63441B1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1258280B (en) * | 1992-04-06 | 1996-02-22 | Axivetro Srl | PROCEDURE PARTICULARLY DESIGNED FOR THE FIGURATIVE AND CHROMATIC DECORATION OF FLAT GLASSES AND RELATED PERFECTED MANUFACTURE |
DE4336012A1 (en) * | 1993-10-22 | 1995-04-27 | Container Coating Ind Gmbh | Coating compositions and their use for the interior coating of containers |
NO300534B1 (en) | 1996-06-14 | 1997-06-16 | Davinci Designbyraa As | Surface decoration with 3-dimensional effect and method for producing a surface decoration with 3-dimensional effect, as well as use of a surface decoration with 3-dimensional effect |
DE19637269A1 (en) * | 1996-09-13 | 1998-03-19 | Ulrike Ahlfaenger | Design and processing on or behind acrylic and other types of glass |
GB2324560A (en) * | 1997-04-25 | 1998-10-28 | James Carey | A sheet of glass for simulating a Georgian window or door |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1073281A (en) * | 1976-03-31 | 1980-03-11 | John J. Summers | Glass sheet with appearance of plurality of parallelogram panes |
CA1175306A (en) * | 1980-04-17 | 1984-10-02 | Darrell F. Quadling | Lead lights |
GB2165800A (en) * | 1984-10-19 | 1986-04-23 | Graham Saggers | Simulating leaded light effects on window glass |
SE450230B (en) * | 1984-10-29 | 1987-06-15 | Arturo Berly | COMPOSITION FOR SIMULATED BLYLISTS FOR LEADER FITTED WINDOWS |
-
1990
- 1990-02-16 IE IE57890A patent/IE63441B1/en not_active IP Right Cessation
-
1991
- 1991-02-15 AT AT91301245T patent/ATE138856T1/en not_active IP Right Cessation
- 1991-02-15 EP EP91301245A patent/EP0447040B1/en not_active Expired - Lifetime
- 1991-02-15 DE DE69119947T patent/DE69119947T2/en not_active Expired - Fee Related
- 1991-02-15 ES ES91301245T patent/ES2090234T3/en not_active Expired - Lifetime
Non-Patent Citations (2)
Title |
---|
"Introduction to Paint Technology", 4th edition, 1976, pages 74,75. * |
"Paint Technology Manuals", 1966, pages 1-3. * |
Also Published As
Publication number | Publication date |
---|---|
DE69119947T2 (en) | 1997-01-30 |
EP0447040A1 (en) | 1991-09-18 |
IE900578A1 (en) | 1991-08-28 |
IE63441B1 (en) | 1995-04-19 |
DE69119947D1 (en) | 1996-07-11 |
ATE138856T1 (en) | 1996-06-15 |
ES2090234T3 (en) | 1996-10-16 |
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