JP6175234B2 - Wall protection sheet - Google Patents

Description

  The present invention relates to a wall surface protective sheet, and more particularly to a wall surface protective sheet that covers the periphery of a vent formed in a wall surface in a room.

  In a house or the like, outside air is taken into the room through a vent formed in the wall surface of the room, but at that time, the outside air may contain dust or the like. Therefore, Patent Document 1 discloses a filter device that removes dust and the like contained in the outside air by covering the vent hole with a filter membrane and takes clean air into the room.

  Further, there is provided an air vent provided with a shield that covers the end of the main body of the air vent on the indoor side so as to be shielded so as not to impair the beauty of the room by the air vent opened to the indoor side.

  FIG. 9 is a front view showing the external shape of the vent hole provided with such a shield in use.

  With reference to the figure, the vent 71 is configured with a main body 73 and a shield 79 as the center, and is formed on a wall surface 87 in the room.

  FIG. 10 is an enlarged view seen from the line XX shown in FIG.

Referring to the figure, main body 73 is embedded so as to penetrate wall 88 of the house. Inside the main body 73, there are provided a net 76 for preventing insects and the like from entering from the outside, and a pollen filter 77 for removing pollen contained in the outside air. A hood 85 that blocks rainwater and the like from entering the main body 73 is attached above the main body 73 on the outer wall 89 side.
On the other hand, the shield 79 is connected to the slide body 80 and is provided so as to be able to shield the main body end 74 opened to the indoor side. When the vent 71 is used, the shield 79 protrudes from the wall surface 87 toward the indoor side, and an air passage is secured.

Registered Utility Model No. 3041766

  There is no particular problem as long as it is a vent hole that can be covered with a filter membrane as disclosed in Patent Document 1. However, in the vent hole 71 provided with the shield 79 as described above, since the shield 79 is provided, it is not easy to further cover the main body end portion 74 with the filter film. Therefore, the wall surface 87 around the vent hole 71 may be contaminated by dust or the like contained in the outside air. That is, in such a vent 71, outside air that has passed through the inside of the main body 73 collides with the shield 79 and diffuses radially around the shield 79, but at that time, it cannot be removed by the pollen filter 77. There is a risk that fine dust or the like diffuses together with the outside air and adheres to the wall surface 87 around the vent 71 so that the wall 87 around the vent 71 becomes dirty.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a wall surface protection sheet that prevents the periphery of a vent formed in a wall surface of a room from being contaminated by dust or the like.

  In order to achieve the above object, the invention according to claim 1 is a wall surface protection sheet for covering the periphery of the vent hole formed on the wall surface, and covers at least a part of the wall surface portion around the vent hole. A sheet body having a size and an adhesive layer that is formed on one surface of the sheet body and can be detachably attached to the wall surface portion, and the sheet body covers the entire circumference around the vent hole. The adhesive layer is formed on almost the entire surface of the sheet body.

  If comprised in this way, a wall surface part will be covered with a sheet | seat body. Further, dust or the like that has entered through the vents does not reach the wall surface part because it adheres to the nonwoven fabric and is prevented from passing by the adhesive layer.

  According to a second aspect of the present invention, in the configuration of the first aspect of the invention, a perforation for cutting is formed in the center of the sheet body to cut out the inside according to the outer peripheral shape of the vent hole. is there.

  If comprised in this way, the cutting operation of a sheet | seat body will become easy.

  According to a third aspect of the present invention, in the configuration of the second aspect, the cutting perforation has a square shape, and the adjustment perforations extending radially outward from each corner of the cutting perforation are provided. Further formed.

  If comprised in this way, it will become possible to raise | generate the part of the sheet | seat body between them along a vent hole by partially cutting each of the perforation for adjustment.

  According to a fourth aspect of the present invention, in the configuration of the third aspect of the present invention, a plurality of sets of cutting perforations and adjustment perforations are formed in a similar manner and are not connected to each other.

  If comprised in this way, the tolerance | permissible_range of the magnitude | size of a vent hole will expand.

  According to a fifth aspect of the present invention, in the configuration of the third or fourth aspect of the invention, opposing sides of the cutting perforation are formed in parallel to the flow direction during the production of the nonwoven fabric, and the adjustment perforation is formed. A cut prevention perforation is further formed in a direction orthogonal to the flow direction so as to cross the outer end.

  If comprised in this way, the tear of the outer end part of the perforation for an adjustment is suppressed.

  According to a sixth aspect of the present invention, in the configuration of the first aspect of the present invention, the adhesive layer is formed excluding at least the outer peripheral end portion of the sheet body.

  If comprised in this way, the outer peripheral edge part of a sheet | seat body will not be stuck to a wall surface part.

  As described above, according to the first aspect of the present invention, the wall surface portion is covered with the sheet body, so that the contamination of the wall surface portion is reduced. Further, dust or the like that has entered through the vents does not reach the wall surface part because it adheres to the nonwoven fabric and is prevented from passing by the adhesive layer. Therefore, the diffusion of dust and the like is suppressed and the wall surface portion is reliably prevented from being stained.

  In addition to the effect of the first aspect of the invention, the sheet body can be easily cut out, so that the usability is improved.

  In addition to the effects of the invention described in claim 2, the invention described in claim 3 causes part of the sheet body between them to rise along the vent hole by partially cutting each of the perforations for adjustment. Therefore, it can be used as it is for a vent hole larger than the cutting perforation.

  In addition to the effect of the invention of the third aspect, the allowable range of the size of the vent is expanded, so that the usability is further improved.

  According to the fifth aspect of the invention, in addition to the effect of the third or fourth aspect of the invention, the outer end portion of the adjustment perforation can be prevented from tearing, so that the reliability during use is improved.

  In addition to the effects of the invention according to any one of claims 1 to 5, the invention according to claim 6 is easy to peel off the sheet body because the outer peripheral edge of the sheet body is not attached to the wall surface portion. It becomes.

It is the top view which showed the external appearance shape of the surface of the wall surface protection sheet by 1st Embodiment of this invention. FIG. 2 is a diagram corresponding to FIG. 1, and is a plan view showing an external shape of the back surface of the wall surface protection sheet. It is the front view which showed one example of the use condition of the wall surface protection sheet by 1st Embodiment of this invention. FIG. 4 is an enlarged view of the IV-IV line shown in FIG. 3. It is the front view which showed the other example of the use condition of the wall surface protection sheet by 1st Embodiment of this invention. FIG. 6 is an enlarged view of the VI-VI line shown in FIG. 5. It is the figure which showed the other example of the use condition of the wall surface protection sheet by 1st Embodiment of this invention. It is an enlarged view of the VIII-VIII line shown in FIG. It is the front view which showed the external appearance shape in the use condition of the vent hole provided with the conventional shield. It is the enlarged view seen from the XX line shown in FIG.

  FIG. 1 is a plan view showing the appearance of the surface of a wall surface protection sheet according to the first embodiment of the present invention.

  Referring to the figure, the wall surface protection sheet 11 is mainly composed of a sheet-like nonwoven fabric 13 made of polyethylene terephthalate (PET) resin, and has a square shape with a size covering the entire periphery of the vent hole described later. doing. In addition, the nonwoven fabric 13 by this embodiment uses what was manufactured by the chemical bond method which is one of the manufacturing methods which produce an intensity | strength difference in the vertical direction and a horizontal direction.

  In the center of the nonwoven fabric 13, a first cutting perforation 15 is formed in a square shape for cutting the inside of the vent according to the outer peripheral shape of the vent. At this time, the opposing sides 17a and 17b constituting the first cutting perforation 15 are formed in parallel to the flow direction during production of the nonwoven fabric 13 (vertical direction in the figure).

  Further, from each corner 18 of the first cutting perforation 15, a first adjustment perforation 20 extends radially outward from the center of the first cutting perforation 15. And the 1st cutting | disconnection prevention perforation 24 is formed in the direction orthogonal to the flow direction mentioned above so that the outer end part of the 1st adjustment perforation 20 may be crossed.

  Further, the non-woven fabric 13 has a second perforation for cutting similar to a set of the first perforation 15 for cutting, the first perforation 20 for adjustment, and the perforation 24 for first cutting prevention. 28, a second adjustment perforation 30 and a second cutting prevention perforation 32 are formed. These sets are not connected to each other in the nonwoven fabric 13.

  On the other hand, an opening 34 is formed in the center of the nonwoven fabric 13 and inside the first cutting perforation 15 by cutting the inside into a circular shape.

  FIG. 2 is a diagram corresponding to FIG. 1, and is a plan view showing the external shape of the back surface of the wall surface protection sheet 11.

  Referring to the figure, on the back surface of the wall surface protection sheet 11, the outer peripheral end 36 of the nonwoven fabric 13, the first and second perforations 15 and 28 for cutting, and the first and second perforations 20 and 30 for adjustment. In addition, an adhesive layer 38 is formed except for the periphery of each of the first and second cutting prevention perforations 24 and 32 and the periphery of the opening 34. The pressure-sensitive adhesive layer 38 is configured using a urethane-based pressure-sensitive adhesive that does not easily remain on the surface to be attached when the wall surface protection sheet 11 is removed.

  FIG. 3 is a front view showing an example of a usage state of the wall surface protection sheet 11 according to the first embodiment of the present invention. Since the configuration of the vent is the same as that shown in FIG. 9, the description thereof will not be repeated here.

  Referring to the figure, in use, the inner side of the nonwoven fabric 13 is cut out in accordance with the outer peripheral shape of the vent 71, and the wall protection sheet 11 is attached to the wall 87 so as to cover the entire circumference around the vent 71. To do. At this time, since the first cutting perforation 15 is formed, the cutting work of the nonwoven fabric 13 becomes easy and the usability is improved.

  4 is an enlarged view of the IV-IV line shown in FIG. Note that the configuration of the vent 71 is the same as that shown in FIG. 10, and therefore the description thereof will not be repeated.

  Referring to the drawing, the outside air that has passed through the main body 73 of the vent 71 collides with the shield 79 and diffuses radially around the shield 79. At this time, since the wall surface 87 around the vent hole 71 is covered with the wall surface protection sheet 11, even if dust or the like is included in the outside air, they adhere to the nonwoven fabric 13 of the wall surface protection sheet 11 and pass through the adhesive layer 38. Is prevented from reaching the wall surface 87. As a result, it is possible to suppress the diffusion of dust and the like and to reliably prevent the wall 87 around the vent 71 from being contaminated.

  In the wall surface protective sheet 11, the adhesive layer 38 is formed except for the outer peripheral end portion of the nonwoven fabric 13, and therefore the outer peripheral end portion of the nonwoven fabric 13 is not adhered to the wall surface 87. Therefore, the wall surface protection sheet 11 can be easily removed by grasping the outer peripheral end of the nonwoven fabric 13.

  FIG. 5 is a front view showing another example of the usage state of the wall surface protection sheet 11 according to the first embodiment of the present invention.

  Referring to the drawing, in this vent hole 41, the outer peripheral shape of the main body 42 and the shield 44 is larger than that shown in FIG.

  In use, the inner side of the nonwoven fabric 13 is cut off by the first cutting perforation 15 (see FIG. 1), and each of the first adjustment perforations 20 is partially cut. At this time, even if too much force is applied carelessly, tearing of the outer end portion of the first adjustment perforation 20 can be suppressed by the first cutting prevention perforation 24, so that the reliability when using the wall surface protection sheet 11 can be reduced. Improves. After matching the outer peripheral shape of the vent hole 41 in this way, the wall surface protection sheet 11 is adhered to the wall surface 87 so as to cover the entire circumference around the vent hole 41.

  FIG. 6 is an enlarged view of the VI-VI line shown in FIG.

  Referring to FIGS. 5 and 6, as described above, each of the first adjustment perforations 20 is partially cut, so that the nonwoven fabric portion 45 between the first adjustment perforations 20 is vented. 41 can be raised along the body end 43 of the body. Therefore, the wall surface protection sheet 11 can be used as it is for the vent hole 41 having an outer peripheral shape larger than the first cutting perforation 15.

  If the inner side of the wall surface protection sheet 11 cannot be adapted to the outer peripheral shape of the vent hole even after the first adjustment perforation 20 is cut, the second cutting perforation 28 is used to If the inner side is cut off, the entire circumference around the vent can be covered with the wall surface protection sheet 11. If it still cannot be adapted to the outer peripheral shape of the vent hole, each of the second adjustment perforations 30 may be partially cut to conform to the outer peripheral shape of the vent hole. In addition, since the tearing of the outer end portion of the second adjustment perforation 30 is suppressed by the second cutting prevention perforation 32, the reliability when the wall surface protection sheet 11 is used is improved. In this way, the wall surface protection sheet 11 expands the allowable range of the size of the vent hole, so that the usability is further improved.

  FIG. 7 is a view showing another example of the usage state of the wall surface protection sheet 11 according to the first embodiment of the present invention.

  Referring to the figure, vent 51 is configured with body 52 as the center, and no shield covering body end 53 is provided. Therefore, when the vent hole 51 is viewed from the front side from the indoor side, the net 54 provided inside the main body 52 and the pollen filter 55 are visible. In such a vent 51, the wall surface protection sheet 11 is attached to the wall surface 87 around the vent hole 51 so that the outer periphery of the main body end portion 53 fits inside the opening 34 of the wall surface protection sheet 11. To do.

  FIG. 8 is an enlarged view of the VIII-VIII line shown in FIG.

  Referring to the drawing, since wall surface 87 around vent 51 is covered with wall surface protection sheet 11, wall 87 around vent 51 is prevented from being contaminated, as in the case of vent provided with a shield. be able to.

  In the above embodiment, the non-woven fabric made of PET resin is used as the sheet body. However, the present invention can be similarly applied to non-woven fabrics made of other resins and sheet bodies made of other materials such as paper and film.

  In the above embodiment, the non-woven fabric is sized to cover the entire periphery of the vent hole. However, the non-woven fabric is sized to cover at least a part of the wall surface around the vent hole. You may prevent only from dirt.

  Furthermore, in the above embodiment, the nonwoven fabric has a square shape, but may have other shapes as long as the wall surface around the vent can be covered.

  Furthermore, in the above embodiment, the method for producing the nonwoven fabric is the chemical bond method, but this method is not necessarily required.

  Furthermore, in the above embodiment, the pressure-sensitive adhesive layer is composed of a urethane-based pressure-sensitive adhesive. However, it is not always necessary to use a urethane-based pressure-sensitive adhesive, and a pressure-sensitive adhesive that can be detachably attached to a wall surface portion is used. What is necessary is just to comprise.

  Furthermore, in the above embodiment, the adhesive layer is formed except for the outer peripheral edge of the nonwoven fabric, but may be formed on almost the entire surface of the nonwoven fabric. Therefore, an adhesive layer may be formed around the perforation for cutting, the perforation for adjustment, and the perforation for cutting prevention.

  Furthermore, in the above embodiment, the pressure-sensitive adhesive layer is formed by solidly applying a pressure-sensitive adhesive. However, the pressure-sensitive adhesive layer is partially applied by applying the pressure-sensitive adhesive in a dot shape, a line shape, a lattice shape, or the like. It may be formed.

  Furthermore, in the above embodiment, the cutting perforation is formed at the center of the nonwoven fabric, but it is not always necessary to form the cutting perforation. Therefore, it is good also as a wall surface protection sheet by which the inner part of the sheet | seat body was previously cut off.

  Further, in the above embodiment, the perforation for cutting has a square shape, but may have other shapes as long as it corresponds to the outer peripheral shape of the vent hole.

  Furthermore, in the above-described embodiment, the adjustment perforation is formed. However, the corners of the cutting perforation may be cut outward as necessary without forming the perforation.

  Further, in the above-described embodiment, two sets of large and small sets of cutting perforations, adjustment perforations, and cutting prevention perforations are formed, but it is not always necessary to form a plurality of sets. Three or more sets may be used.

  Furthermore, in the above embodiment, the perforation for cutting prevention is formed in the direction in which the nonwoven fabric is difficult to tear, but it may be formed in the direction in which the nonwoven fabric is easy to tear, or the perforation for cutting prevention is formed. It is not necessary.

  Furthermore, in said embodiment, although the circular shaped opening part is formed in the center of a nonwoven fabric, it is good also as a structure by which the opening part is not formed.

DESCRIPTION OF SYMBOLS 11 ... Wall surface protection sheet 13 ... Nonwoven fabric 38 ... Adhesive layer 41, 51, 71 ... Vent 87 ... Wall surface 15, 28 ... 1st, 2nd perforation for cutting 20, 30 ... 1st, 2nd perforation for adjustment 24 , 32 ... first and second perforation preventing perforations, wherein the same reference numerals in the drawings indicate the same or corresponding parts.

Claims (6)

A wall surface protection sheet for covering the periphery of the vent formed on the wall surface,
A sheet body sized to cover at least a portion of the wall surface around the vent;
An adhesive layer formed on one surface of the sheet body and capable of detachably attaching the sheet body to the wall surface portion;
The sheet body is made of a nonwoven fabric having a size covering the entire circumference around the vent hole,
The said adhesion layer is a wall surface protection sheet formed in the substantially whole surface of the said sheet | seat body.   The wall surface protection sheet according to claim 1, wherein a perforation for cutting is formed at the center of the sheet body in order to cut the inside of the vent according to the outer peripheral shape of the vent. The cutting perforation has a square shape,
The wall surface protection sheet according to claim 2, further comprising an adjustment perforation extending radially outward from each corner of the cutting perforation.   The wall surface protection sheet according to claim 3, wherein a plurality of sets of the perforation for cutting and the perforation for adjustment are formed in a similar manner and are not connected to each other. The opposing sides of the cutting perforations are formed in parallel to the flow direction during production of the nonwoven fabric,
The wall surface protection sheet according to claim 3 or 4, wherein a cut prevention perforation is further formed in a direction orthogonal to the flow direction so as to cross an outer end portion of the adjustment perforation.   The wall surface protection sheet according to any one of claims 1 to 5, wherein the adhesive layer is formed excluding at least an outer peripheral end portion of the sheet body.

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