WO1983002256A1 - Method of mounting photographic prints - Google Patents

Method of mounting photographic prints Download PDF

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Publication number
WO1983002256A1
WO1983002256A1 PCT/AU1982/000211 AU8200211W WO8302256A1 WO 1983002256 A1 WO1983002256 A1 WO 1983002256A1 AU 8200211 W AU8200211 W AU 8200211W WO 8302256 A1 WO8302256 A1 WO 8302256A1
Authority
WO
WIPO (PCT)
Prior art keywords
photographic print
impregnated
resin
sheet
print
Prior art date
Application number
PCT/AU1982/000211
Other languages
French (fr)
Inventor
William Duncan Baggett
Original Assignee
William Duncan Baggett
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 William Duncan Baggett filed Critical William Duncan Baggett
Priority to AU10184/83A priority Critical patent/AU1018483A/en
Publication of WO1983002256A1 publication Critical patent/WO1983002256A1/en

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
    • B32B29/00Layered products comprising a layer of paper or cardboard
    • B32B29/002Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B29/005Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
    • 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
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/16Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
    • B32B37/18Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only
    • B32B37/182Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only one or more of the layers being plastic
    • B32B37/185Laminating sheets, panels or inserts between two discrete plastic layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00Processes for producing special ornamental bodies
    • B44C5/04Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0469Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C11/00Auxiliary processes in photography
    • G03C11/14Pasting; Mounting
    • 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
    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02Composition of the impregnated, bonded or embedded layer
    • B32B2260/028Paper layer
    • 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
    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04Impregnation, embedding, or binder material
    • B32B2260/046Synthetic resin
    • 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
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/40Properties of the layers or laminate having particular optical properties
    • B32B2307/402Coloured

Definitions

  • This invention concerns the mounting of photographs. More particularly, it concerns the mounting of photographic prints within laminated material (for example, a material of the type marketed under the trade names "LAMINEX” and "FORMICA” ) .
  • laminated material for example, a material of the type marketed under the trade names "LAMINEX” and "FORMICA” .
  • the normal and well known method of producing laminated plastic materials is to assemble a) a number of sheets of brown paper, impregnated with melamine or a similar resinous material; b) a coloured or printed sheet of paper, also impregnated with melamine or a similar resinous material; and c) a topping sheet of paper, also impregnated with melamine or a similar resinous material; and then to bond the assembled sheets together, using (typically) the application of both heat and pressure.
  • any required design or pattern can be produced in the laminated product.
  • the required design or pattern is printed on to the sheet that is positioned between the backing sheets of impregnated brown paper and the impregnated topping sheet.
  • the main objective of the present invention is the provision of an effective, and relatively economical, technique for mounting a photographic print within a laminated product of the type referred to above.
  • This objective is achieved by a treating the photographic print to be mounted, then inserting the treated photographic print into the assembly of sheets referred to above for the formation of a laminated product.
  • a white or light coloured impregnated backing sheet should be placed behind the photographic print.
  • a strongly coloured backing sheet or no backing sheet may be used.
  • the necessary treatment of the photograph is the removal of its waterproof backing sheet, to leave only the photographic emulsion and its paper support. This treatment has been .found to enable the photographic print to be included in the lamination process and be bonded successfully to the impregnated backing sheets and the impregnated topping sheet.
  • a method of mounting a photographic print in a laminated material comprises the sequential steps of a) removing the waterproof backing sheet from the photographic print; b) including the photographic print with the backing sheet removed in an assembly of resin-impregnated papers or the like; and c) treating the assembly conventionally to produce the laminated product.
  • the laminating process causes a colour change in the fugitive dyes used to form the colour print. It has also been found that colours can change over a period of time if the photograph which has been mounted within the laminate material is exposed to sunlight or to light from fluorescent lamps. To avoid the first possible defect
  • the photographic print should be produced by a technique which provides a compensating or required colour balance.
  • the second possible problem can be reduced by including a protective layer between the photographic print and the resin-impregnated topping sheet in the laminating assembly.
  • Figure 1 is a schematic sectional view of a photograph.
  • Figure 2 is a schematic representation of an assembly for producing a laminated product.
  • Figure 3 is a schematic representation of a second assembly for producing a laminated product.
  • Figure 1 illustrates, in a simplified form, a section through a typical photographic print 10a, consisting of an emulsion 13, a paper backing or support sheet 11, and a waterproof plastic backing sheet 12.
  • the first step in the present invention is the removal of the backing sheet 12.
  • the removal of this sheet may be conveniently effected by a mechanical rolling process, although any technique for removal of the backing sheet 12 may be used, provided it does not disturb or destroy the emulsion 13.
  • the stripped photographic print 10b is positioned in an assembly (see Figure 2) consisting of a) a plurality (usually around ten) of brown paper sheets 14 impregnated with a resin (melamine is generally used for the impregnation) ; and b) a topping sheet of paper 16, impregnated with resin.
  • the photographic print is normally positioned immediately under the topping sheet, and with a light coloured (or white) backing sheet 15 behind it.
  • a strongly coloured sheet 15 may be included between the sheets of brown paper 14 and the photographic print.
  • the sheet 15, which is also impregnated with resin may be used to form a border for the mounted photographic print.
  • the print may be produced with a known bias in the cyan colour layer which will shift to neutral during the laminating process.
  • a similar special exposure approach may be used to achieve a desired effect with a photographic print.
  • the embodiment illustrated in Figure 3 is similar to the embodiment of Figure 2, but a protective layer 30 is positioned between the treated photographic print 10b and the resin-impregnated topping sheet of paper 16.
  • the layer 30 can be a sheet of a clear plastics material, but it may also be a layer which is added on to the top of the treated photographic print 10b.
  • the protective layer 30 helps to prevent deterioration of the colour of the mounted photograph.
  • Photographic prints mounted in this way are particularly useful for displays at exhibitions, where their light weight, combined with the rigidity and strength of the product, and the fact that the surfaces of laminated materials of this type are less likely to be damaged by acts of vandalism, give them substantial advantages over posters and photographs mounted on cardboard backing sheets, which are normally used for such displays.
  • many other uses for the product of the present invention are low-cost, easy care pictures for offices and the like, and family photographs which can be sent through the post without risk of damage.

Abstract

A photographic print (10a) can be mounted within a laminated plastic material of the type marketed under the brand name 'FORMICA' or 'LAMINEX' if the waterproof backing sheet (12) of the photographic print (10a) is removed and the stripped print (10b) is then positioned between an assembly of resin-impregnated opaque sheets (14) and a resin-impregnated topping sheet (16), and the resin-impregnated sheets are then treated conventionally to form the laminated material. The inclusion of a layer (30) of a protective material helps to prevent deterioration of a coloured photographic print that has been mounted in the laminated material.

Description

TITLE; "METHOD OF MOUNTING PHOTOGRAPHIC PRINTS"
TECHNICAL FIELD
This invention concerns the mounting of photographs. More particularly, it concerns the mounting of photographic prints within laminated material (for example, a material of the type marketed under the trade names "LAMINEX" and "FORMICA" ) .
BACKGROUND ART
The normal and well known method of producing laminated plastic materials is to assemble a) a number of sheets of brown paper, impregnated with melamine or a similar resinous material; b) a coloured or printed sheet of paper, also impregnated with melamine or a similar resinous material; and c) a topping sheet of paper, also impregnated with melamine or a similar resinous material; and then to bond the assembled sheets together, using (typically) the application of both heat and pressure. With this technique, any required design or pattern can be produced in the laminated product. The required design or pattern is printed on to the sheet that is positioned between the backing sheets of impregnated brown paper and the impregnated topping sheet.
Attempts have been made to insert an untreated photographic print into laminated material, but without success. It was not possible to produce an effective bond between the impregnated sheets and the photograph, and the different parts of the laminations separated. Thus the only effective prior art technique for mounting a photographic image within a laminate material of this type has involved making a non- photographic print of the image on paper, then impregnating that printed paper sheet and including it in the standard laminating process.
DISCLOSURE OF THE PRESENT INVENTION The main objective of the present invention is the provision of an effective, and relatively economical, technique for mounting a photographic print within a laminated product of the type referred to above. This objective is achieved by a treating the photographic print to be mounted, then inserting the treated photographic print into the assembly of sheets referred to above for the formation of a laminated product. For a normal appearance of the mounted photographic print, a white or light coloured impregnated backing sheet should be placed behind the photographic print. For special effects, however, a strongly coloured backing sheet or no backing sheet may be used. The necessary treatment of the photograph is the removal of its waterproof backing sheet, to leave only the photographic emulsion and its paper support. This treatment has been .found to enable the photographic print to be included in the lamination process and be bonded successfully to the impregnated backing sheets and the impregnated topping sheet.
Thus, according to the present invention, a method of mounting a photographic print in a laminated material comprises the sequential steps of a) removing the waterproof backing sheet from the photographic print; b) including the photographic print with the backing sheet removed in an assembly of resin-impregnated papers or the like; and c) treating the assembly conventionally to produce the laminated product.
If the photographic print is in colour, it has been found that, in some instances, the laminating process causes a colour change in the fugitive dyes used to form the colour print. It has also been found that colours can change over a period of time if the photograph which has been mounted within the laminate material is exposed to sunlight or to light from fluorescent lamps. To avoid the first possible defect
(or to produce a required special effect), the photographic print should be produced by a technique which provides a compensating or required colour balance. The second possible problem (deterioration of colour with time) can be reduced by including a protective layer between the photographic print and the resin-impregnated topping sheet in the laminating assembly.
Embodiments of the present invention will now be described, with reference to the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a schematic sectional view of a photograph.
Figure 2 is a schematic representation of an assembly for producing a laminated product.
Figure 3 is a schematic representation of a second assembly for producing a laminated product.
DETAILED DESCRIPTION OF ILLUSTRATED EMBODIMENTS
Figure 1 illustrates, in a simplified form, a section through a typical photographic print 10a, consisting of an emulsion 13, a paper backing or support sheet 11, and a waterproof plastic backing sheet 12.
Figure imgf000005_0001
A more detailed representation of a typical colour photographic print will be found on page 11 of the booklet entitled "Printing Color Negatives", which is published by Eastman Kodak Company (the page reference is to the Fifth Edition of the booklet, first 1975 printing) .
The first step in the present invention is the removal of the backing sheet 12. The removal of this sheet may be conveniently effected by a mechanical rolling process, although any technique for removal of the backing sheet 12 may be used, provided it does not disturb or destroy the emulsion 13.
When the backing sheet 12 has been removed, the stripped photographic print 10b is positioned in an assembly (see Figure 2) consisting of a) a plurality (usually around ten) of brown paper sheets 14 impregnated with a resin (melamine is generally used for the impregnation) ; and b) a topping sheet of paper 16, impregnated with resin. The photographic print is normally positioned immediately under the topping sheet, and with a light coloured (or white) backing sheet 15 behind it. For special effects, as mentioned above, a strongly coloured sheet 15 may be included between the sheets of brown paper 14 and the photographic print. The sheet 15, which is also impregnated with resin, may be used to form a border for the mounted photographic print. The assembly of sheets is then treated in the conventional manner to form a laminated product, such as a material of the type marketed in Australia under the trade mark "LAMINEX" or "FORMICA" . When this technique is used, it has been found that the photographic print is effectively bonded within the laminated product.
With some colour photographic prints, as indicated above, it was found that the colour balance in the mounted photograph was incorrect, being lacking in cyan (enhanced in the red region) . This phenomenon
(which is thought to be the result of a change in the structure of the fugitive dyes due to the application of heat and pressure in the laminating process) can be used to good effect in some instances - for example, to add warmth to an otherwise cold photograph. However, where the appropriate colour balance is required in the mounted photographic print, the print may be produced with a known bias in the cyan colour layer which will shift to neutral during the laminating process.
A similar special exposure approach may be used to achieve a desired effect with a photographic print.
Other effects can be achieving using a strongly coloured sheet 15, which for normal colour prints will be a white or lightly-coloured sheet.
The embodiment illustrated in Figure 3 is similar to the embodiment of Figure 2, but a protective layer 30 is positioned between the treated photographic print 10b and the resin-impregnated topping sheet of paper 16. The layer 30 can be a sheet of a clear plastics material, but it may also be a layer which is added on to the top of the treated photographic print 10b. The protective layer 30 helps to prevent deterioration of the colour of the mounted photograph.
The assembly shown in Figure 3 is treated, of course, in the usual manner to form the bonded laminated product. INDUSTRIAL APPLICATION
Users of laminated materials of the "LAMINEX" and "FORMICA" type will appreciate the benefits of mounting photographic prints in this manner, and the extent of the commercial application of the present invention. Photographic prints mounted in this way are particularly useful for displays at exhibitions, where their light weight, combined with the rigidity and strength of the product, and the fact that the surfaces of laminated materials of this type are less likely to be damaged by acts of vandalism, give them substantial advantages over posters and photographs mounted on cardboard backing sheets, which are normally used for such displays. Among the many other uses for the product of the present invention are low-cost, easy care pictures for offices and the like, and family photographs which can be sent through the post without risk of damage.

Claims

1. A method of mounting a photographic print (10a) in a laminated material characterised by the sequential steps of a) removing the waterproof backing sheet (12) from the photographic print (10a) to produce a stripped photographic print (10b); b) including the stripped photographic print (10b) between an assembly of resin- impregnated opaque papers (14) and a topping sheet (16) of resin-impregnated paper to form a combined assembly of sheets; and c) treating the combined assembly of sheets conventionally to produce the laminated product.
2. A method as defined in claim 1, further characterised in . that the photographic print (10a) is a coloured print that has been produced to enhance the cyan colour in the print.
3. A method as defined in claim 1 or claim 2, further characterised by the inclusion in said combined assembly of a resin-impregnated backing sheet (15), said resin-impregnated backing sheet (15) being positioned between the stripped photographic print (10b) and the assembly of opaque papers (14).
4. A method as defined in claim 3, in which said backing sheet (15) is white or light coloured.
5. A method as defined in claim 3, in which said backing sheet (15) is strongly coloured.
6. A method as defined in any preceding claim, further characterised by including a protective layer (30) between the stripped photographic print (10b) and the resin-impregnated transparent topping sheet (16).
7. A mounted photographic print produced by the method of any one of claims 1 to 6.
PCT/AU1982/000211 1981-12-24 1982-12-17 Method of mounting photographic prints WO1983002256A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU10184/83A AU1018483A (en) 1981-12-24 1982-12-17 Method of mounting photographic prints

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPF207981 1981-12-24
AUPF2079811224 1981-12-24

Publications (1)

Publication Number Publication Date
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Country Status (2)

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WO (1) WO1983002256A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9302292A (en) * 1993-12-31 1995-07-17 Sallmetall Bv Film (foil) assembly
CN102825840A (en) * 2012-05-07 2012-12-19 上海烟草集团有限责任公司 Surface finishing process of packaging gift box

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2180002A (en) * 1936-10-16 1939-11-14 Walter D Ford Molded body of synthetic resin containing photographic designs
US3476828A (en) * 1965-06-24 1969-11-04 Montedison Spa Preparation of a modified amino-triazinic resin and its mixtures
AU3993068A (en) * 1967-07-06 1970-01-08 Aiga Kogyo Company Limited Method of manufacturing synthetic resin decorated laminates with stereographic patterns and designs
GB1407052A (en) * 1971-10-15 1975-09-24 Dynamit Nobel Ag Laminated board production
US4006048A (en) * 1975-08-14 1977-02-01 Westinghouse Electric Corporation Reverse printed high-pressure laminates
JPS5298788A (en) * 1976-02-17 1977-08-18 Matsushita Electric Works Ltd Preparation of decorative laminate sheets
US4092199A (en) * 1974-12-02 1978-05-30 Exxon Research & Engineering Co. High pressure decorative laminate having registered color and embossing
US4092198A (en) * 1975-11-05 1978-05-30 Exxon Research & Engineering Co. Process for high pressure decorative laminate having registered color and embossing and resultant product
JPS5660218A (en) * 1979-10-22 1981-05-25 Matsushita Electric Works Ltd Manufacture of decorative board
EP0035133A1 (en) * 1980-02-29 1981-09-09 Formica Corporation Decorative laminates containing an air-laid web and method of producing same
US4293360A (en) * 1978-11-16 1981-10-06 Scott Paper Company Coated sheet material for use in making decorative laminates

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2180002A (en) * 1936-10-16 1939-11-14 Walter D Ford Molded body of synthetic resin containing photographic designs
US3476828A (en) * 1965-06-24 1969-11-04 Montedison Spa Preparation of a modified amino-triazinic resin and its mixtures
AU3993068A (en) * 1967-07-06 1970-01-08 Aiga Kogyo Company Limited Method of manufacturing synthetic resin decorated laminates with stereographic patterns and designs
GB1407052A (en) * 1971-10-15 1975-09-24 Dynamit Nobel Ag Laminated board production
US4092199A (en) * 1974-12-02 1978-05-30 Exxon Research & Engineering Co. High pressure decorative laminate having registered color and embossing
US4006048A (en) * 1975-08-14 1977-02-01 Westinghouse Electric Corporation Reverse printed high-pressure laminates
US4092198A (en) * 1975-11-05 1978-05-30 Exxon Research & Engineering Co. Process for high pressure decorative laminate having registered color and embossing and resultant product
JPS5298788A (en) * 1976-02-17 1977-08-18 Matsushita Electric Works Ltd Preparation of decorative laminate sheets
US4293360A (en) * 1978-11-16 1981-10-06 Scott Paper Company Coated sheet material for use in making decorative laminates
JPS5660218A (en) * 1979-10-22 1981-05-25 Matsushita Electric Works Ltd Manufacture of decorative board
EP0035133A1 (en) * 1980-02-29 1981-09-09 Formica Corporation Decorative laminates containing an air-laid web and method of producing same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9302292A (en) * 1993-12-31 1995-07-17 Sallmetall Bv Film (foil) assembly
CN102825840A (en) * 2012-05-07 2012-12-19 上海烟草集团有限责任公司 Surface finishing process of packaging gift box

Also Published As

Publication number Publication date
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