WO2024048199A1 - Feuille de couverture de protection contre la lumière pour vitre de fenêtre - Google Patents

Feuille de couverture de protection contre la lumière pour vitre de fenêtre Download PDF

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Publication number
WO2024048199A1
WO2024048199A1 PCT/JP2023/028512 JP2023028512W WO2024048199A1 WO 2024048199 A1 WO2024048199 A1 WO 2024048199A1 JP 2023028512 W JP2023028512 W JP 2023028512W WO 2024048199 A1 WO2024048199 A1 WO 2024048199A1
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WO
WIPO (PCT)
Prior art keywords
sheet
light
window glass
shielding
blindfold
Prior art date
Application number
PCT/JP2023/028512
Other languages
English (en)
Japanese (ja)
Inventor
伸佳 田中
Original Assignee
株式会社ナム
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 株式会社ナム filed Critical 株式会社ナム
Priority to JP2023562571A priority Critical patent/JP7395223B1/ja
Publication of WO2024048199A1 publication Critical patent/WO2024048199A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/023—Optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds

Definitions

  • the present invention relates to a light-shielding blindfold sheet that is attached to the surface of window glass.
  • the light-shielding sheet described in Patent Document 1 has a polyvinyl chloride resin sheet layer integrally laminated on one side of a polyester film in which a metal vapor-deposited film such as aluminum vapor-deposited film is formed in a translucent state. A weakly adhesive adhesive layer is provided on the top.
  • the light-shielding sheet having the above-mentioned structure since it is made of the silver color of the metal vapor deposited film or another single color, it is lacking in terms of design. Further, a film on which a metal vapor deposited film such as aluminum vapor deposition is formed has a silvery or other glare, which may cause discomfort or a sense of discomfort.
  • a decorative sheet has been proposed that has a light blocking function and is highly decorative (see, for example, Patent Document 2).
  • a printed layer is provided on one side of a multilayer structure film body consisting of a large number of laminated films. Furthermore, by sequentially laminating a colored transparent first adhesive layer and an uncolored transparent resin film layer, and setting the light transmittance of the first adhesive layer to 3% to 70%, we have achieved appropriate light blocking properties. has.
  • the decorative sheet with the above structure has a light-shielding function and can print arbitrary characters and designs on the printing layer, so it has more decorative properties than conventional light-shielding sheets that only have a light-shielding function. can be improved. Furthermore, since no metal vapor-deposited film is used for light shielding, there is no discomfort or discomfort caused by glare caused by metallic colors or the like.
  • the decorative sheet of Patent Document 2 has the above-mentioned advantages, it is composed of a colored and transparent first adhesive layer and an uncolored and transparent resin film layer, and since the parts other than the printed layer are transparent, there is no need for privacy protection. Not considered. Furthermore, in the decorative sheet of Patent Document 2, a fluid adhesive is applied to cover printed characters and designs to form a first adhesive layer, and a resin film layer is laminated on top of the first adhesive layer. Because of this, there was no consideration given to allowing the user to change the design later to match the size of the window glass or personal preference, and there was a problem that there was a lack of freedom in design. Furthermore, the decorative sheet of Patent Document 2 exhibits rainbow-like colors and deep, calm colors due to transmitted light and reflected light, increasing its decorative properties, but its decorative properties deteriorate at night when the light is weak. It is possible that it will be lower.
  • the present invention was made in view of the above problems, and provides a window glass that has appropriate light-shielding properties and privacy protection functions, has a high degree of freedom in design, and allows for a sense of design whether it is indoors or outdoors, day or night.
  • the purpose is to provide a light-shielding blindfold sheet.
  • the characteristic structure of the light-shielding blindfold sheet for window glass according to the present invention for solving the above problems is as follows: A light-shielding blindfold sheet that is attached to the surface of window glass, an opaque or translucent first sheet attached to the window glass; a second sheet partially laminated on top of the first sheet; Equipped with The second sheet has a higher light blocking rate than the first sheet,
  • the problem is that the brightness of the first sheet and the second sheet appear to be reversed due to the difference in brightness inside and outside the room.
  • the light-shielding blindfold sheet for window glass of this configuration appropriate light-shielding properties and privacy protection functions can be obtained by pasting the opaque or translucent first sheet to the window glass.
  • the second sheet is laminated on top of the first sheet, the shape and position of the second sheet can be freely determined by the user as necessary, which increases the degree of freedom in design.
  • the second sheet has a higher light blocking rate than the first sheet, when viewed from inside the room during the daytime when it is brighter outside, the first sheet appears whitish in color due to sunlight.
  • the second sheet has a higher light shielding rate than the first sheet, it appears blackish in color.
  • the first sheet when viewed from inside the room at night when the room is brighter, the first sheet appears blackish in color, and the second sheet appears in its original color, such as white.
  • the brightness and darkness of the first sheet and the second sheet can be made to appear to be reversed due to the difference in brightness inside and outside the room.
  • the light and darkness when viewed from outside, the light and darkness appear to be reversed between daytime and nighttime. For this reason, the design can be felt whether it is day or night, indoors or outdoors.
  • the first sheet has a light shielding rate of 30% to 85%.
  • the light-shielding blindfold sheet for window glass since the light-shielding rate of the first sheet is configured to fall within the above-mentioned appropriate range, appropriate light-shielding properties can be obtained.
  • the shading rate within the above range, the difference between day and night can be seen, such as becoming whitish when exposed to sunlight during the day and becoming black when affected by changes in the outside color at night. You can feel the different design qualities.
  • the second sheet has a light shielding rate of 90% or more.
  • the second sheet has a light-shielding rate of 90% or more, so if a bright color such as white is used on the surface of the second sheet, the During the day, almost no sunlight passes through, and it appears in dark colors such as dark gray or black, and at night, it is unaffected by changes in the outside color and appears in its original color, such as white. It can show the difference between bright and dark.
  • the first sheet preferably includes any one of cloth, nonwoven fabric, synthetic resin film, synthetic resin sheet, and synthetic resin board.
  • the first sheet can be configured to be opaque or translucent by having one of cloth, nonwoven fabric, synthetic resin film, synthetic resin sheet, and synthetic resin plate. Since it is possible to obtain the effect of blindfolding, it is possible to demonstrate the function of privacy protection. Furthermore, since the first sheet does not use a layer of metal vapor deposition film such as aluminum vapor deposition, there is no discomfort or discomfort caused by glare such as silver, and it is possible to use calm colors such as white. .
  • the second sheet is configured in the shape of a picture, figure, pattern, and/or character.
  • the second sheet is configured in the shape of a picture, figure, pattern, and/or character, and the user can freely change the shape, position, and combination of the second sheet. It can be changed. Furthermore, when viewed from inside the room during the day, the first sheet appears whitish and the second sheet appears black, making it possible to obtain a silhouette-like design. Furthermore, when viewed from inside the room at night, the first sheet appears blackish and the second sheet appears whitish, so it is possible to obtain a design similar to a silhouette in which the light and dark are reversed. Furthermore, in a typical shadow picture, a picture is placed on one side, light is shined from behind, and it is viewed from the other side.
  • the first sheet When viewed from outside, the first sheet appears blackish and the second sheet whitish during the day, and at night the first sheet appears whitish and the second sheet blackish, so when viewed from the outside, the first sheet appears whitish and the second sheet appears blackish.
  • the design can be felt from either the outside, and the clear outline of the pattern can be seen from either the indoor or the outside.
  • FIG. 1 is a sectional view of a light-shielding blindfold sheet for window glass according to an embodiment of the present invention.
  • FIG. 2 is an explanatory diagram of one mode in which a light-shielding blindfold sheet for window glass according to an embodiment of the present invention is attached to window glass using magnet pieces.
  • FIG. 2 is an explanatory diagram of one mode in which a light-shielding blindfold sheet for window glass according to an embodiment of the present invention is attached to window glass using magnet pieces.
  • FIG. 1 is a cross-sectional view of a light-shielding blindfold sheet for window glass according to an embodiment of the present invention.
  • This window glass blindfold sheet 1 is a light shielding blindfold sheet that is attached to the surface of the window glass G.
  • window glass G examples include window glass for homes, offices, other buildings, and the like.
  • the window glass blindfold sheet 1 of the present invention includes a first sheet 10 and a second sheet 20, as shown in FIG. Each component of the window glass blindfold sheet 1 will be described in detail below.
  • the first sheet 10 is opaque or translucent and is applied to a window glass. As shown in FIG. 1, the first sheet 10 is configured by laminating a base material layer 11, a resin layer 12, and an adhesive layer 13. It is preferable that the first sheet 10 has a light shielding rate of 30% to 85%.
  • the light blocking rate of the first sheet 10 is the light blocking rate of the entire base material layer 11, resin layer 12, and adhesive layer 13 combined. If the light blocking rate is less than 30%, it will be difficult to obtain a light blocking or blinding effect, and if it exceeds 85%, it will be difficult to obtain a silhouette-like design by the second sheet 20.
  • the first sheet 10 is attached to the entire surface of the window glass G, but the size and attachment position of the first sheet 10 are not particularly limited, and can be set as appropriate depending on the area where you want to block light or blind. do it.
  • “shading rate” means a visible light shielding rate (the same applies in this specification).
  • the “shading rate” may be measured by the JIS L 1055 A method or by using a general-purpose visible light transmittance meter.
  • the base material layer 11 is an opaque or translucent layer that has light blocking properties.
  • the base material layer 11 preferably includes a synthetic resin film, a synthetic resin sheet, or a synthetic resin plate such as cloth, nonwoven fabric, polyolefin resin, acrylic resin, polycarbonate resin, polystyrene resin, or polyvinyl chloride resin. Among these, cloth and nonwoven fabric are particularly preferred.
  • a mesh sheet may be used as the cloth or nonwoven fabric.
  • a synthetic resin film, a synthetic resin sheet, or a synthetic resin plate may be subjected to translucent printing such as frosted glass, partial printing such as mesh, dots, checks, stripes, etc.
  • the color of the base material layer 11 is preferably a bright color such as white, pink, cream color, or light blue, and white is particularly preferred.
  • the resin layer 12 is formed between the base material layer 11 and the adhesive layer 13, as shown in FIG.
  • the resin layer 12 is preferably made of a substantially transparent material, such as polyolefin resin, acrylic resin, polycarbonate resin, polystyrene resin, polyvinyl chloride resin, and the like.
  • the resin layer 12 is provided by lamination or the like in order to prevent the material of the adhesive layer 13 from penetrating into the base layer 11 when cloth or nonwoven fabric is used for the base layer 11. Therefore, when a synthetic resin film, a synthetic resin sheet, or a synthetic resin plate is used for the base layer 11, the resin layer 12 can be omitted.
  • the adhesive layer 13 has adhesiveness and adsorption properties to the window glass G.
  • Specific adhesives include, but are not particularly limited to, acrylic adhesives, urethane adhesives, silicone adhesives, rubber adhesives, polyester adhesives, and the like. These adhesives may be used alone or in combination of two or more. Moreover, a piece of foamed resin sheet having adsorption properties can also be used.
  • the adhesive layer 13 may have strong adhesive properties or removability. If it has strong adhesive properties, it can prevent the window glass G from scattering if the window glass G breaks after the first sheet 10 is attached to the window glass G, and if it has removability, it can prevent the window glass G from scattering.
  • the first sheet 10 When the first sheet 10 is pasted on the window glass G and an inconvenience such as air bubbles entering occurs, it can be peeled off once and easily reattached. It is also possible to use the electrostatic adsorption effect of polypropylene resin or vinyl chloride resin or the bleeding effect of plasticizer from inside the sheet to adhere it to a glass surface, or to adhere it with water.
  • the attachment of the first sheet 10 to the window glass G is not limited to the so-called dry attachment, in which the adhesive layer 13 is directly attached to the window glass G, for example, but it is not limited to so-called dry attachment, in which the adhesive layer 13 is attached as it is to the window glass G. It may also be a so-called water paste, in which the adhesive is sprayed on G and pasted.
  • the adhesive strength of the adhesive layer 13 is preferably such that the first sheet 10 does not peel off from the surface of the window glass G even after the moisture is removed after pasting with water.
  • the adhesive layer 13 is not limited to being present on the entire surface of the first sheet 10, but may be present partially. Specifically, the adhesive layer 13 may be present only on the peripheral edge or four corners of the first sheet may be stacked. Further, although not shown, a release sheet may be laminated on the adhesive layer 13, or the adhesive layer 13 may be formed of a separate member such as a double-sided adhesive tape.
  • the second sheet 20 is partially laminated on top of the first sheet 10. As shown in FIG. 1, the second sheet 20 is configured by laminating a colored layer 21, a light shielding layer 22, an adhesive layer 23, and a matte layer 24.
  • the second sheet 20 has a higher light shielding rate than the first sheet 10, and preferably has a light shielding rate of 90% or more, more preferably 95% or more, and more preferably 98% or more. It is particularly preferred that the The light blocking rate of the second sheet 20 is the light blocking rate of the entire colored layer 21, light blocking layer 22, adhesive layer 23, and matte layer 24. If the light shielding rate is less than 90%, it becomes difficult to obtain a silhouette-like design by the second sheet 20.
  • the second sheet 20 is configured in the shape of a picture, figure, pattern, and/or character. Specific examples include designs of people, animals, plants, etc., shapes such as circles, stars, and hearts, and patterns such as checks and stripes.
  • the user is not limited to a predetermined shape, and can also cut the shape to his/her own preference. By configuring the second sheet 20 in such a shape, the design can be easily improved, and the shape, position, and combination of the second sheet 20 can be changed according to the window size and personal preference. Since it can be changed freely, the degree of freedom in design can be increased.
  • the colored layer 21 is preferably made of a material such as cloth, nonwoven fabric, synthetic resin film, synthetic resin sheet, synthetic paper, or thin wood board. Further, the color is preferably a bright color such as white, pink, cream color, light blue, etc., and white is particularly preferable, but is not particularly limited. or black can also be used.
  • the light shielding layer 22 has light shielding properties.
  • the light-shielding layer 22 is preferably constructed by laminating materials having light-shielding properties such as metal vapor deposition such as aluminum vapor deposition, resin mixed with aluminum powder, aluminum coating, aluminum foil, white printing, and nonwoven fabric.
  • metal vapor deposition such as aluminum vapor deposition
  • resin mixed with aluminum powder aluminum coating, aluminum foil, white printing, and nonwoven fabric.
  • the adhesive layer 23 has adhesiveness and adsorption properties to the first sheet 10.
  • the adhesive layer 23 may have removability, so that only the second sheet 20 can be peeled off while the first sheet 10 is attached, and the design of the second sheet 20 can be easily changed according to the season or mood. Can be done.
  • Specific adhesives include, for example, acrylic adhesives, urethane adhesives, silicone adhesives, rubber adhesives, polyester adhesives, and the like.
  • a piece of foamed resin sheet having adsorption properties can also be used.
  • the adhesive layer 23 is not limited to being present on the entire surface of the second sheet 20, but may be present partially. Specifically, the adhesive layer 23 is not limited to being present on the entire surface of the second sheet 20. may be stacked. Further, although not shown, a release sheet may be laminated on the adhesive layer 23, or the adhesive layer 23 may be composed of a separate member such as a double-sided adhesive tape.
  • the matte layer 24 is formed to cover the colored layer 21.
  • the matte layer 24 is preferably made of, for example, a transparent resin to which a matte material is added.
  • a transparent resin for example, a thermoplastic resin layer such as acrylic resin can be used.
  • the matte material is also called a matte material or a gloss adjuster, and is applied depending on the surface of the colored layer 21.
  • the matte layer 24 can protect the colored layer 21 and prevent the colored layer 21 from being scratched, peeled off, discolored, etc.
  • FIG. 2 is a comparison photograph of the light-shielding blindfold sheet for window glass according to an embodiment of the present invention when viewed from indoors, in which (a) is the daytime state, (b) is the evening state, and (c) is the Indicates nighttime conditions.
  • the first sheet 10 is attached to the entire indoor side of the window glass G, and the second sheet 20 is laminated on top of the first sheet 10.
  • the second sheet 20 is formed in the shape of a bird, a tree branch, a band, or the like.
  • the first sheet 10 appears whitish and the second sheet 20 appears dark gray or black because the sunlight irradiates at about 10,000 to 100,000 lux. Therefore, a design similar to that of a silhouette can be obtained.
  • the first sheet 10 changes from the whitish color of the daytime to the bluish color.
  • the original color of the second sheet 20, such as white becomes visible.
  • the room is brighter at about 1000 lux, and the second sheet 20 clearly shows its original color, such as white.
  • the first sheet 10 changes to a dark blue color close to black, ultramarine blue, or dark gray due to changes in the outdoor color.
  • the first sheet 10 is made of a thin white nonwoven fabric, the first sheet 10 appears to have a white haze.
  • the window glass blindfold sheet 1 can be viewed so that the brightness of the first sheet 10 and the second sheet 20 are reversed depending on the difference in brightness inside and outside the room.
  • the silhouette-like design can be felt even from outside.
  • the light-shielding blind sheet for window glass of the present invention has been described above based on one embodiment, but the present invention is not limited to the configuration described in the above embodiment, and may be modified as appropriate without departing from the spirit thereof.
  • the configuration can be changed.
  • a piece of magnet such as a rubber magnet can be used instead of the adhesive layer 13.
  • magnet pieces 14a are attached to the surface of the window glass G by pasting or the like along the vertical stile and the matching stile of the window shoji. That's what I do. At this time, the magnet piece 14a may not be provided at this position so as not to interfere with the crescent receiver.
  • FIG. 3(a) and 4(a) magnet pieces 14a are attached to the surface of the window glass G by pasting or the like along the vertical stile and the matching stile of the window shoji. That's what I do. At this time, the magnet piece 14a may not be provided at this position so as not to interfere with the crescent receiver.
  • the window glass blindfold sheet 1 includes four sheets (1) to (4) (among them, sheets (2) and (3)) as the first sheet 10.
  • the second sheet 20 is provided, or as shown in FIG. 4(b)
  • six sheets (1) to (6) (among them, (3) and A second sheet 20 is provided on the sheet 6)
  • magnet pieces 14b magnetically attached to the magnet pieces 14a are attached to both sides of each sheet by pasting or the like.
  • Each sheet can be arranged, for example, in the position shown in FIG. 3(c) and FIG. 4(c) (the arrangement of each sheet can be changed as appropriate).
  • the first sheet 10 can be attached to the window glass G by magnetically attaching the magnet piece 14b to the magnet piece 14a.
  • the light-shielding blindfold sheet for window glass of the present invention has appropriate light-shielding properties and privacy protection functions, has a high degree of freedom in design, and can be seen both indoors and outdoors during the day and night. Can be widely used on glass surfaces.

Abstract

L'invention concerne une feuille de couverture de protection contre la lumière pour vitre de fenêtre, la feuille de couverture de protection contre la lumière ayant la fonction de caractéristiques de protection contre la lumière et de protection de confidentialité adéquates, un degré élevé de liberté dans la conception, et un aspect de conception qui peut être perçu à la fois jour et nuit et à la fois à l'intérieur et à l'extérieur.　Une feuille de couverture de protection contre la lumière (1) collée à une surface d'une vitre (G) comprend une première feuille (10) qui est non transparente ou semi-transparente et collée à la vitre (G), et une seconde feuille (20) stratifiée sur une partie de la première feuille (10) depuis le dessus de celle-ci. La seconde feuille (20) est conçue pour avoir un taux de protection contre la lumière supérieur à celui de la première feuille (10) et, en raison de la différence entre la luminosité intérieure et extérieure, la luminosité et l'obscurité de la première feuille (10) et de la seconde feuille (20) semblent être inversées.
PCT/JP2023/028512 2022-08-29 2023-08-04 Feuille de couverture de protection contre la lumière pour vitre de fenêtre WO2024048199A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023562571A JP7395223B1 (ja) 2022-08-29 2023-08-04 窓ガラス用遮光目隠しシート

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2022135580 2022-08-29
JP2022-135580 2022-08-29
JP2022162158 2022-10-07
JP2022-162158 2022-10-07

Publications (1)

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WO2024048199A1 true WO2024048199A1 (fr) 2024-03-07

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938271Y2 (ja) * 1978-12-22 1984-10-24 旭化成株式会社 積層樹脂板
JPH08159821A (ja) * 1994-12-09 1996-06-21 Nippondenso Co Ltd 白黒反転メータ
JPH11262966A (ja) * 1998-03-18 1999-09-28 L Home:Kk 遮光シート

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938271Y2 (ja) * 1978-12-22 1984-10-24 旭化成株式会社 積層樹脂板
JPH08159821A (ja) * 1994-12-09 1996-06-21 Nippondenso Co Ltd 白黒反転メータ
JPH11262966A (ja) * 1998-03-18 1999-09-28 L Home:Kk 遮光シート

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