JP7227688B2 - pleated screen - Google Patents

Description

The present invention relates to a fabric that can be used as a shielding material and a pleated screen comprising this fabric.

A pleated screen has a vertically bendable shielding material (screen) suspended from a head box, and the screen is moved up and down by an operation device to appropriately adjust the amount of light.

For example, in a pleated screen in which a single screen is suspended from a headbox, the screen can be made of drape fabric (light-shielding fabric) or lace fabric (light-receiving fabric), and the amount of lighting can be adjusted by folding the screen. .

There is disclosed a technique of using a nonwoven fabric with a picture or a pattern as the material of the pleated screen (see, for example, Patent Document 1).

JP-A-6-117168

The above-mentioned Patent Literature 1 discloses a technique of using a nonwoven fabric having a picture or a pattern drawn thereon as a fabric for the pleated screen.

This technique does not disclose any processing for drawing pictures or patterns on the nonwoven fabric.

In particular, in applications of pleated screens, nonwoven fabrics that create a warm atmosphere while maintaining privacy are often used, and there is a demand for providing selectivity in the amount of transmitted light or the amount of reflected light and enhancing the design.

In particular, fabrics that can be used for pleated screens are required to be devised from the viewpoint of selectivity of materials, selectivity of the amount of transmitted light or the amount of reflected light, and particularly design.

In view of the above problems, the present invention provides a pleated screen fabric that can be used as a shielding material with improved selectivity of materials, selectivity of the amount of light transmitted or reflected light, and particularly improved design, and this fabric. To provide a pleated screen.

The pleated screen of the present invention is a pleated screen that can adjust the amount of light by opening and closing the shielding material by bending it in the vertical direction, and the pleated fabric used as the shielding material is made of only nonwoven fabric. The material consisting only of the nonwoven fabric is embossed to form recesses, and the recesses formed by embossing the material consisting only of the nonwoven fabric and the protrusions that are areas other than the recesses are pleated. It is characterized in that it is configured to provide shadows depending on how the light hits the top of the folded fabric.

Further, in the pleated screen of the present invention, the embossing is applied to the material made of the nonwoven fabric in a pattern having at least one of straight lines, curved lines, and curved surfaces.

Further, in the pleated screen of the present invention, the recesses formed by the embossing process are configured to have a higher degree of flatness than the projections, which are regions other than the recesses, and the regions of the recesses and the projections The regions are characterized by having different densities.

Further, in the pleated screen of the present invention, the recesses formed by the embossing process have a higher transmittance to external light or a lower reflectance to internal light than the protrusions that are regions other than the recesses. It is characterized in that it is configured to be

Further, in the pleated screen of the present invention, the minimum thickness of a certain recess formed by applying the embossing is 30% or more and less than 70% of the maximum thickness based on the topmost portion of the protrusion adjacent to the recess. It is characterized by

Further, in the pleated screen of the present invention, the ratio of the concave portions to the convex portions, which are areas other than the concave portions formed by the embossing, is 40% or less of the entire cloth for the pleat screen. It is characterized by

Furthermore, the pleated screen of the present invention includes, as the shielding material, a plurality of different types of materials or a plurality of embossed fabrics, and each of the plurality of fabrics has a light transmission amount or It is characterized by having different patterns selectively configured with respect to the amount of reflected light .

According to the present invention, a fabric for a pleated screen that can be used as a shielding material with improved selectivity of materials, selectivity of the amount of transmitted light or amount of reflected light, and particularly improved design, and a pleated screen comprising the fabric are constructed. can do.

BRIEF DESCRIPTION OF THE DRAWINGS It is a front view which shows schematic structure of the pleated screen of one Embodiment provided with the cloth of one Example by this invention. 4(a) and 4(b) are diagrams showing pattern examples of concave portions forming embossing in the cloth of one example according to the present invention, respectively; FIG. FIG. 10 is a diagram showing a comparison of flatness between recesses forming embossing and protrusions of the material in one example of the fabric according to the present invention. FIG. 4 is a diagram showing a comparison of light transmission amounts between recesses forming embossing in the fabric of one example according to the present invention and protrusions of the material; FIG. 4 is a diagram showing a comparison of the amounts of reflected light between recesses forming embossing in the fabric of one example according to the present invention and protrusions of the material; (a) and (b) are front views each showing a schematic configuration of a pleated screen of another embodiment provided with the fabric of one example according to the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION A pleated screen according to one embodiment of the present invention will be described below with reference to the drawings. In the specification of the present application, with respect to the front view of the pleated screen shown in FIG. The left direction in the figure is defined as the left side of the pleat screen, and the right direction in the figure is defined as the right side of the pleat screen. The side from which the front view of FIG. 1 is visually recognized is the front side (indoor side), and the opposite side is the rear side (outdoor side).

(Device configuration)
In the pleated screen shown in FIG. 1, the upper edge of a vertically bendable screen 6 is suspended from a head box 1, and the screen 6 is moved up and down by an operation device 3 to appropriately adjust the amount of lighting. is configured as follows. Headbox 1 is fixed to the mounting surface via bracket 2 .

A bottom rail 7 is attached to the lower edge of the screen 6 and supported by a lift cord 8 .

The operation cord 5 is configured by, for example, an endless ball chain, and is hung on an operation pulley 4 that is rotatably accommodated within the operation device 3 . The outer peripheral surface of the operation pulley 4 is formed with a plurality of recesses into which the ball portions of the ball chain of the operation cord 5 are fitted.

Rotation of the operating pulley 4 is transmitted to a winding shaft (not shown) that winds or unwinds the lifting cord 8 via a drive shaft (not shown). As a result, the screen 6 can be operated up and down by the operating device 3 .

(fabric composition)
The screen 6 shown in FIG. 1 comprises convex portions 6a formed by embossing a material made of non-woven fabric, and concave portions 6b which are areas other than the concave portions 6a.

Here, in a preferred embodiment of the present invention, a nonwoven fabric material is embossed with a pattern having at least one of straight lines (especially oblique lines), curved lines, and curved surfaces.

Therefore, the screen 6 is formed by this embossing process, as shown in FIG. It is configured to have a decorative pattern such as a picture pattern or a geometric pattern as shown in FIG. 2(b). For this reason, the embossing of the preferred example according to the present invention is also called "embossing decoration" in order to distinguish it from the existing embossing.

As shown in FIG. 3, the screen 6 in which the material made of nonwoven fabric is embossed (embossed decoration process) has projections 6a formed by embossing the material made of nonwoven fabric, A recessed portion 6b is formed as a region other than the recessed portion 6a.

In the screen 6 according to the present invention, the flatness FL2 of the concave portions 6b is configured to be greater than the flatness FL1 of the convex portions 6a, and the regions of the concave portions 6b and the convex portions 6a are formed with different densities. . As a result, shadows that make the decoration stand out can be provided, and the design can be improved more than a form in which a design or the like is simply printed or woven.

Further, as shown in FIG. 3, the minimum thickness ta of a recess 6b formed by embossing according to the present invention is changed to the maximum thickness tb based on the top of the protrusion 6a adjacent to the recess 6b. On the other hand, by making it 30% or more and less than 70%, as shown in FIG. , the transmittance of the convex portion 6a can be made higher than that of the convex portion 6a, and shadows that make the decoration stand out can be brought about, and the design can be improved more than a form in which a pattern or the like is simply printed or woven.

Further, as shown in FIG. 5, the ratio (reflectance) of the reflected light reflected by the concave portion 6b to the incident light (illumination light/internal light) from the indoor side of the screen 6 is higher than the reflectance of the convex portion 6a. It is possible to keep the height low, provide shadows that make the decoration stand out, and improve the design more than a form in which a pattern or the like is simply printed or woven.

In particular, it has been found that a predetermined strength or durability can be maintained by setting the ratio of the concave portions 6b indicating the embossed regions to the convex portions 6a to 40% or less of the entire screen 6 for the pleated screen. rice field. That is, even if a hole for inserting the lifting cord 8 as shown in FIG. ) does not cause quality problems.

In addition to the pattern illustrated in FIG. 2, the amount of transmitted light or the amount of reflected light can be selected according to the needs depending on the amount of pressure applied in the embossing, and the in-plane light shielding property of the screen 6 can be varied. .

Here, the embossing is configured as a processing process consisting of a combination of heat and pressure, so that the amount of transmitted light or the amount of reflected light can be selected according to needs, and the in-plane light shielding property of the screen 6 can be varied. be able to.

Tables 1 and 2 show the transmittance and reflectance of the concave portions 6b and the convex portions 6a of two types of fabrics No. 1 and No. 2 that were actually produced by different combinations of heating and pressure.

Furthermore, the projections 6a and the recesses 6b will produce shadows depending on how the light hits them, bordering on the top of the screen 6 folded by the pleating process. , the selectivity of the material, the selectivity of the amount of light transmission or the amount of reflected light, and particularly the design property can be enhanced by the nonwoven fabric that can be composed of a plurality of types.

In addition, the screen 6 according to the present invention may be a pleated screen having a plurality of screens on the top and bottom, a pleated screen having a plurality of screens on the front and back, etc., and may be used as different patterns for each screen. , the selectivity of the amount of transmitted light or the amount of reflected light, particularly the design, can be further enhanced.

For example, as shown in FIG. 6A, the upper screen 6U is suspended from the headbox 1 to support the intermediate rail 7U, and the lower screen 6L is suspended from the intermediate rail 7U to support the bottom rail 7L. In the pleated screen, patterns expressed by the convex portions 6a and the concave portions 6b can be different between the upper screen 6U and the lower screen 6L.

Further, as shown in FIG. 6B, the front side screen 6F is suspended from the head box 1 to support the front side bottom rail 7F, and the rear side screen 6R is suspended from the head box 1 to support the rear side bottom rail 7R. In the pleated screen to be supported, the patterns represented by the convex portions 6a and the concave portions 6b can be different between the front screen 6F and the rear screen 6R.

Although the present invention has been described with reference to specific embodiments, the present invention is not limited to the above-described embodiments, and can be modified in various ways without departing from the technical idea thereof. For example, an example in which the fabric according to the present invention is provided for the pleated screen of a specific embodiment in which a vertically bendable screen is suspended from a headbox has been described, but the screen may be suspended vertically or longitudinally. The embossed fabric according to the invention can be applied to the pleated screen of another embodiment.

According to the present invention, it is possible to configure a fabric that can be used as a shielding material with improved selectivity of materials, selectivity of the amount of transmitted light or the amount of reflected light, and particularly improved design, so it is useful for pleated screen applications. is.

1 head box 2 bracket 3 operating device 4 operating pulley 5 operating cord 6 screen 6F front screen 6R rear screen 6U upper screen 6L lower screen 6a screen projection 6b screen recess 7 bottom rail 7F front bottom rail 7R rear bottom Rail 7U Upper bottom rail 7L Lower bottom rail 8 Lifting cord

Claims (7)

A pleated screen that can adjust the amount of lighting by opening and closing the shielding material by bending it in the vertical direction,
The pleated fabric used as the shielding material is made of only nonwoven fabric,
Embossing to form recesses is applied to the material consisting only of the nonwoven fabric,
The recesses formed by embossing the material made of only the non-woven fabric and the protrusions that are the areas other than the recesses are made so that the top of the fabric folded by pleating is the boundary, and the light hits it. A pleated screen characterized by comprising: 2. The pleated screen according to claim 1, wherein said nonwoven fabric material is embossed in a pattern having at least one of straight lines, curved lines and curved surfaces. The recesses formed by the embossing process are configured to have a higher degree of flatness than the projections, which are regions other than the recesses, and the regions of the recesses and the regions of the projections have different densities. The pleated screen according to claim 1 or 2, characterized in that: The recesses formed by the embossing process are configured to have a higher transmittance to external light or a lower reflectance to internal light than the protrusions, which are regions other than the recesses. The pleated screen according to any one of claims 1 to 3, wherein The minimum thickness of a recess formed by the embossing is 30% or more and less than 70% of the maximum thickness based on the topmost portion of the protrusion adjacent to the recess. A pleated screen according to any one of claims 1 to 4. Claim 1, characterized in that the ratio of the recesses to the protrusions, which are areas other than the recesses formed by the embossing, is 40% or less of the entire fabric for the pleat screen. 6. The pleated screen according to any one of 5 to 5. As the shielding material, a plurality of different types of materials or a plurality of embossed fabrics are provided,
7. The pleated screen according to any one of claims 1 to 6, wherein each of the plurality of fabrics has a different pattern selectively configured with respect to the amount of transmitted light or the amount of reflected light by the embossing. .

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