JPH11139059A - Corner clip for rectangular sheet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a corner clip for a rectangular sheet which can hold a desired rectangular sheet such as a photograph at a desired place easily without staining it and thereafter facilitates work for removing and replacing the sheet. SOLUTION: A corner fixing paper piece 3 for a rectangular sheet and a corner holding paper piece 4 which is attached foldably and integrally to one side of the piece 3 and formed to be smaller than the piece 3 are constituents. A pressure sensitive adhesive layer 2 is formed on the whole backs of the piece 3 and piece 4, and the surface of the piece 4 having no adhesive layer is formed on a corner holding surface. By simple work of folding the piece 4 to the piece 3 side, without staining a rectangular sheet B with the adhesive, the sheet can be held correctly and surely at a desired position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rectangular fastener for holding a rectangular paper leaf in a predetermined position by holding the rectangular paper leaf such as a photograph or a postcard.

[0002]

2. Description of the Related Art It is common practice to take pictures when traveling or for commemoration. Then, the photographed photograph is pasted on an album at a later date to organize and save the photograph, or the photographer likes the photograph on his wall.

Conventionally, when a photograph is stuck to a desired wall surface, a photo fastener having an adhesive layer integrally provided on the back surface of a triangular piece of paper is used, and the four corners of the photograph are formed on the back surface of the photo fastener. By attaching this photo fastener to a desired wall surface with an adhesive layer integrally provided on the back surface, so that the photo fastener is sandwiched by a wall surface to which a photo is to be attached,
The desired photograph was stuck on the desired wall surface.

However, in the above-mentioned conventional photograph fastener,
Since the adhesive layer is integrally provided on the entire back surface, when the desired photo is sandwiched between the back surface of the photo fastener and the wall surface to which the photo is to be attached, the photo surface is contaminated by the adhesive of the photo fastener. There is a problem that the four corners of the photo are contaminated after removing the photo from the wall, and that if you want to replace the currently pasted photo with another photo, you must replace the entire photo fastener. Was.

[0005]

SUMMARY OF THE INVENTION According to the present invention, a rectangular sheet such as a desired photograph can be easily supported at a desired place without contaminating the same, and then the rectangular sheet can be easily removed and replaced. To provide a corner fastener for a rectangular sheet.

[0006]

According to a first aspect of the present invention, there is provided a corner fastener for a rectangular paper sheet, wherein the corner fastener for a rectangular paper sheet and a side of the corner fixed paper sheet can be bent. An adhesive layer is provided on the entire back surface of the corner pressing paper piece and the corner fixing paper piece, which are integrally formed continuously and formed smaller than the corner fixing paper piece. And the surface of the corner pressing paper piece on which the adhesive layer is not provided is formed on the corner pressing surface.

According to a second aspect of the present invention, there is provided the corner fastener for a rectangular sheet according to the first aspect.
A bent curve is formed at a continuous portion between the corner fixing paper piece and the corner pressing paper piece.

According to a third aspect of the present invention, there is provided a corner fastener for a rectangular paper sheet according to the first or second aspect, wherein the corner fixing paper piece has a right-angled shape. On the other hand, the corner holding paper piece is formed in the shape of a right-angled isosceles triangle smaller than the corner fixed paper piece, and the oblique edge of the corner holding paper piece is formed into the above-mentioned corner. It is characterized in that it is connected to the central part of the oblique edge of the sheet for fixing the sheet so that it can be bent.

According to a fourth aspect of the present invention, there is provided a corner fastener for a rectangular sheet according to any one of the first to third aspects, wherein the corner fastener is formed into a right-angled isosceles triangle. On the edge of the piece of paper for holding the corner portion which is continuous at right angles, a flange portion provided with an adhesive layer on the back surface but not provided with an adhesive layer on the front surface is continuously provided, and this flange portion is held down by the corner portion. The surface of the corner pressing paper piece that is not provided with an adhesive layer when the paper sheet is folded back on the surface of the paper piece and the polymer sheet is bonded to the adhesive layer of the corner fixing paper piece having a right-angled isosceles triangle shape. And a corner insertion portion of a rectangular paper sheet is formed between the front surface and the surface of the flange portion facing the front surface.

According to a fifth aspect of the present invention, there is provided the corner fastener for a rectangular sheet according to the first or second aspect, wherein the corner fixing sheet is a horizontally long rectangle. On the other hand, the corner pressing paper piece is formed in a trapezoidal shape having the same width as the corner fixing paper piece, and the long side of the corner pressing paper piece corresponding to the bottom of the trapezoidal shape is formed. The edge is continuously connected to the center portion of one long side edge of the corner fixed sheet so as to be bendable.

According to a sixth aspect of the present invention, there is provided a corner fastener for a rectangular paper sheet, which is integrally connected to a corner fixing paper piece of the rectangular paper sheet and one side of the corner fixing paper piece so as to be bent. It consists of a corner reinforcing cover paper piece formed smaller than the corner fixing paper piece, and an adhesive layer is provided on the entire back surface of the corner fixing paper piece and the corner reinforcing cover paper piece, By forming a corner cover paper piece on the back surface of the corner fixing paper piece by polymerizing and bonding it to form a reinforcing cover portion on the corner surface of the rectangular paper sheet, and folding both sides of the corner fixing paper piece to the front side The back surface of the both sides is used as an adhesive layer for sticking to the surface to be stuck, and the corner insertion bag portion of the rectangular paper leaf is formed by the folded side surfaces and the surface of the corner fixing paper piece facing the surface. It is characterized in that it is configured to be formed.

[0012] The corner fastener for a rectangular paper sheet according to claim 7 is the corner fastener for a rectangular paper sheet according to claim 6,
The corner fixing paper piece is formed in a horizontally long rectangular shape, while the corner reinforcing cover paper piece is formed in a right-angled isosceles triangle shape having the long side edge of the corner fixing paper piece as a hypotenuse. The part reinforcing cover paper piece is continuously connected to one long side edge of the corner fixing paper piece so as to be able to be folded back, and the corner fixing paper piece is connected from both ends of one long side edge to the center part of the other long side edge. An inclined fold line is provided toward the, and the adhesive layer on the back surface of both sides of the triangular shape outside from the inclined fold line is formed on the adhesive layer to be adhered to the surface to be adhered, and the surfaces of the triangular both sides are formed. It is characterized in that the corner insertion bag portion of the rectangular paper sheet is formed by the opposite surface portion of the corner fixing sheet piece whose both sides are folded.

[0013] The corner fastener of a rectangular sheet according to claim 8 is the corner fastener of a rectangular sheet according to claim 7,
An extended portion is provided at both ends in the longitudinal direction of the corner portion fixing paper piece of the horizontal rectangular shape, and the rectangular paper projecting from the opening end of the corner insertion bag portion by the extended portion when bent from the inclined fold line. It is characterized in that it is configured to form a corner guide surface of a leaf.

[0014]

A plurality of corner fasteners of the above-mentioned rectangular paper leaf are temporarily and adhesively arranged in a matrix in a vertical and horizontal manner on a large-size release paper via an adhesive layer. The corner fastener of one of the rectangular paper sheets is separated from the release paper. Then, the corner holding paper piece connected to one side of the corner fixing paper piece of the corner fastener of the peeled rectangular paper sheet is bent toward one side of the corner fixing paper piece, and the back surface of the corner holding paper piece is turned into a corner. A state in which the surface of the corner holding paper piece where the adhesive layer is not provided is exposed to the adhesive layer side of the corner fixing paper piece by polymerizing and bonding on the adhesive layer provided on the entire back surface of the fixed paper piece. To

In this case, as in the case of the corner fastener of the rectangular sheet according to the second aspect, when a bent curve is formed in a continuous portion of the corner fixing paper piece and the corner pressing paper piece. Then, the corner pressing paper piece is bent along the folding curve toward the back side of the corner fixing paper piece.

Then, the rectangular sheet is superimposed on a desired position on the surface to be adhered, such as a backing paper, and the corner holding paper piece in the rectangular fastener of the rectangular sheet is placed on the square corner of the rectangular sheet. Apply the surface, apply the adhesive layer of the corner fixing paper piece protruding outward from this surface to the surface to be adhered, and form the rectangular paper leaf by the surface of the corner pressing paper piece and the surface to be adhered. Hold the corner.

Further, as in the corner fastener of a rectangular sheet according to the third aspect, the corner fixing paper piece is formed into a right-angled isosceles triangle, and the corner pressing paper piece is formed by the corner portion. In the case where it is formed in the shape of a right-angled isosceles triangle smaller than the fixed paper piece, and the oblique edge of the corner pressing paper piece is continuously connected to the center of the oblique edge of the corner fixed paper piece so as to be bendable. After gluing the corner pressing paper piece on one side of the corner fixing paper and bonding it, the corner holding paper piece is set in a state where the edge connected at a right angle to the corner of the rectangular paper leaf matches the edge of the corner of the rectangular sheet. A right-angled isosceles triangular surface of the paper sheet on which the adhesive layer is not provided is superimposed on the corner surface of the rectangular paper sheet, and the corner-fixing paper sheet protruding outward from the surface of the corner pressing paper sheet The pressure-sensitive adhesive layer is stuck on the surface to be stuck.

Furthermore, as in the corner fastener of a rectangular paper sheet according to claim 4, an adhesive layer is formed on the back side of the corner holding paper piece formed into a right-angled isosceles triangle and connected to the right angle, and on the back surface. Is provided, but the flange portion on which the pressure-sensitive adhesive layer is not provided is continuously provided, after the above-mentioned flange portion is folded back to the surface side of the corner pressing paper piece, the corner pressing paper piece is The pressure-sensitive adhesive layers are adhered to each other by being folded on the back side of the fixing sheet. Then, the right-angled isosceles triangular surface of the corner pressing paper piece where no adhesive layer is provided between the flange portions on both sides is exposed on the back side of the corner pressing paper piece. Then, this exposed surface is applied to the corner of the rectangular paper sheet, and the adhesive layer of the corner fixing paper piece outside the exposed surface and the adhesive layer on the back surface of the flange portion are adhered to the surface to be adhered. At this time, between the surface of the flange portion and the surface of the corner pressing paper piece facing the flange portion, a corner insertion portion of the rectangular paper sheet, which is formed with a gap into which a corner edge of the rectangular paper sheet can be inserted. Are formed, and the corner insertion portion holds the corner edge of the rectangular paper sheet.

On the other hand, like the corner fastener of the rectangular sheet according to the sixth aspect, the corner fixing paper piece of the rectangular sheet and one side of the corner fixing paper piece are connected integrally so as to be bent. And a corner-reinforcement cover paper piece formed smaller than the corner-fixation paper piece, and an adhesive layer is provided on the entire back surface of the corner-fixation paper piece and the corner-reinforcement cover paper piece. In this case, the corner cover paper piece is folded over on the back surface of the corner fixing paper piece, and the back surface of the corner fixing paper piece is polymerized and adhered to the back surface of the corner fixing paper piece with each other, thereby forming the corners of the rectangular paper sheet. It is formed on the reinforcing cover on the outer surface of the part, and both sides of the corner fixing paper piece are folded back to the front side, and the back surfaces of both sides are used as an adhesive layer for sticking to the surface to be adhered. The corner fastener of the leaf is stuck on the surface to be stuck. Then, a corner insertion bag portion of a rectangular sheet is formed by the surface of the folded both sides and the surface of the corner fixing sheet piece facing the surface, and the corner of the rectangular sheet is formed by the corner insertion bag portion. Hold the department.

Further, as in the corner fastener of the rectangular sheet according to the seventh aspect, the corner fixing sheet is formed in a horizontally long rectangular shape, while the corner reinforcing cover sheet is fixed to the corner fixing sheet. It is formed in the shape of a right-angled isosceles triangle with the long side edge of the paper piece as the hypotenuse, and the corner reinforcing cover paper piece is continuously connected to one long side edge of the corner fixing paper piece so as to be able to be folded back. In the case where the fixing paper piece is provided with a fold line inclined from both ends of one long side edge toward the center part of the other long side edge, the corner reinforcing cover paper piece of a right-angled isosceles triangle is used. Corner reinforcing cover paper not provided with an adhesive layer by folding over the back side of the fixing paper piece and polymerizing and bonding the corner reinforcing cover paper piece to the back surface of the corner fixing paper piece with each other's adhesive layer. The reinforcing cover part with the surface of the piece exposed, and the inclined fold From the outside of the triangular shaped corner fixing paper by folding the back side, and the both side portions rear surface of the adhesive layer bonded with respect to the bonding surface wear adhesive layer. Then, the corner clasp of the rectangular paper leaf is stuck on the surface to be stuck by the sticking adhesive layer, and the triangular side surfaces of the corner fixing paper pieces having no adhesive layer are provided. A corner insertion bag portion of a rectangular sheet is formed by the opposed surface portions of the corner fixing sheet pieces whose both sides are folded, and the corner portion of the rectangular sheet is held by the corner insertion bag portion.

[0021]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an example of a rectangular fastener for a rectangular paper sheet according to the present invention. As shown in FIG. 1, the corner fastener 1 of a rectangular paper sheet according to the present invention comprises a laminated sheet formed by laminating and integrating a film on a release paper A via an adhesive layer 2. By forming a slit that reaches 2 but does not reach the release paper A in a predetermined pattern from the film side, it is temporarily bonded on the release paper A in a state of being arranged vertically and horizontally, and is peeled off from the release paper A. Thus, it is possible to obtain the corner fastener 1 of a rectangular paper sheet having a predetermined shape and having the pressure-sensitive adhesive layer 2 laminated and integrated on the back surface.

Next, an example of the rectangular fastener 1 of the rectangular sheet according to the present invention will be described in detail. As shown in FIG. 2, the corner fastener 1 of a rectangular paper leaf is a right angle isosceles triangular corner fixing paper piece 3 and a right angle isosceles triangular corner smaller than the corner fixing paper piece 3. The corner holding paper piece 4 is formed at the center of the oblique edge of the corner fixing paper piece 3 and the oblique edge is made common to the oblique edge of the corner fixing paper piece 3. It is connected to the fixed sheet piece 3 so that it can be bent. In addition, a folding curve 5 which is a guide when the corner pressing paper piece 4 is bent toward the corner fixing paper piece 3 is formed in a continuous portion of the corner pressing paper piece 4 and the corner fixing paper piece 3. Thus, the corner pressing paper piece 4 can be smoothly and reliably bent along the folding curve 5 toward the corner fixing paper piece 3. An adhesive layer 2 is integrally laminated on the entire back surface of the corner fixing paper piece 3 and the corner pressing paper piece 4.

Here, the rectangular paper sheet supported on the surface to be adhered by the corner fastener 1 of the rectangular paper sheet will be described. The rectangular paper sheet applied in the present invention includes rectangular ones such as photographs, paintings, prints, and the like, and the corners are not necessarily formed at right angles to the right angle, but are formed in a protruding arc shape. It may be.

Next, a method of using the above-mentioned corner fastener 1 of a rectangular sheet will be described. First, as shown in FIG. 1, a large number of rectangular fasteners 1 of a rectangular paper leaf which are arranged vertically and horizontally and temporarily adhered on a large-sized release paper A via the adhesive layer are provided. The corner fastener 1 of one of the rectangular sheets is peeled off from the release paper A.

As shown in FIG. 3 (b), the corner holding paper piece 4 of the corner fastener 1 of the peeled rectangular paper sheet is folded over the folding curve 5
Is bent along the back side of the corner fixing paper piece 3, and the entire back surface of the corner pressing paper piece 4 is superimposed and adhered on the adhesive layer 2 on the back surface of the corner fixing paper piece 3 to provide the adhesive layer 2. The surface 4a of the corner holding paper piece that is not covered is exposed to the adhesive layer 2 side of the corner fixing paper piece 3 (see FIG. 3C).

Thereafter, the rectangular paper sheet B is superimposed on a desired position on the surface C to be attached, such as a backing paper, and the above-mentioned corner fastener 1 of the rectangular paper sheet is placed on the square corner of the rectangular paper sheet B. The surface 4a of the corner holding paper piece 4 is applied. At this time, the edges 41, 41, which are connected at right angles to the corner holding paper piece 4, are connected to the edges B of the corners of the rectangular sheet B.
1. Make the state conform to B1. Then, the L-shaped adhesive layer 21 of the corner fixing paper piece 3 protruding outward from the surface 4a of the corner pressing paper piece 4 is adhered to the surface B to be adhered.

Then, the corners of the rectangular paper leaf B are made up of the corner pressing surface 4a on which the pressure-sensitive adhesive layer 2 formed by the surface 4a of the corner pressing paper piece 4 is not provided and the surface to be adhered C , And the rectangular paper sheet B is supported at a desired position on the surface to be adhered C without being contaminated by the adhesive layer 2. Further, as described above, the rectangular paper leaf B has the edges B1, B1 connected at right angles to the corners of the rectangular paper leaf aligned with the edges 41, 41 connected at right angles to the corner pressing paper piece 4, and Since the corners are sandwiched and supported by the corner pressing surface 4a and the attachment surface C, the corners of the rectangular paper sheet B are formed by the bag formed by the corner pressing surface 4a and the attachment surface C. It is supported at a predetermined position in a stable state without delusion within the part (see FIG. 4).

In the corner fastener 1 of the above-described rectangular paper sheet, the corner holding paper piece 4 is described as having no flange at the edge thereof, but as shown in FIG. A narrow flange portion 6, 6 may be continuously provided on an edge of the corner fastener 1 of the paper leaf that is connected to the corner pressing paper piece 4 at a right angle. The pressure-sensitive adhesive layer 2 is provided on the entire back surface of each of the flange portions 6 and 6, while the pressure-sensitive adhesive layer 2 is not provided on the front surface thereof. Folding curves 5 and 5 are formed in a portion connected to the flange 4 so that the flange 6 can be bent toward the front side of the corner piece 4.

Both ends of the flange 6 are cut obliquely so that the flanges 6 do not overlap when the flange 6 is bent toward the surface of the corner piece 4. Have been. The description of the same configuration as that of the corner fastener of the rectangular sheet shown in FIG. 1 is omitted.

Next, a method of using the corner fastener 1 of a rectangular sheet shown in FIG. 5 will be described. First, as shown in FIG. 5A, the flanges 6, 6 continuously provided on the edges of the corner holding paper piece 4 of the corner fastener 1 of the rectangular sheet are formed along the folding curves 5, 5. After being bent toward the front side of the corner holding paper piece 4 (see FIG. 5B), the corner holding paper piece 4 is bent along the folding curve 5 to the back side of the corner fixing paper piece 3 to form a corner. The entire back surface of the corner pressing paper piece 4 is overlapped and adhered onto the adhesive layer 2 on the back surface of the fixed paper sheet 3, and the surface 4 a of the corner pressing paper sheet where the adhesive layer 2 is not provided is attached to the corner fixing paper sheet 3. It is in a state of being exposed to the pressure-sensitive adhesive layer 2 (see FIGS. 5C and 5D).

Thereafter, the rectangular sheet B is superimposed on a desired position on the surface C to be attached, such as a backing paper, and the rectangular fasteners 1 of the rectangular fastener 1 are placed on the four corners of the rectangular sheet B. The surface 4a of the corner fixing sheet 4 is applied. At this time, on the surface side of the corner pressing paper piece 4, between the surface of the flange portion 6 where the adhesive layer is not provided and the surface 4 a of the corner pressing paper piece 4 where the adhesive is not provided and opposed thereto. Has a rectangular sheet B
A corner insertion portion D having a gap into which the edge of the corner can be inserted,
D is formed, and a rectangular sheet B is inserted into the corner insertion portion D.
And the edge of the corner is brought into contact with the inner surfaces of the bent curves 5, 5 of the corner insertion portions D, D. Then, the L-shaped adhesive layer of the corner fixing sheet 3 protruding outward from the surface 4a of the corner pressing sheet 4
21 and the adhesive layer 2 on the back surface of the flange portions 6 and 6
To stick.

In the state where the four-sided corners of the rectangular sheet B are supported on the attaching surface C by the corner fasteners 1 of the rectangular sheet as described above, the corners of the rectangular sheet B are The surface 4a of the corner pressing paper 4 and the surface 6a of the flange 6 where the adhesive layer is not provided.
And is held and supported by the adhered surface C,
The rectangular sheet B is not contaminated by the adhesive.

In addition, the rectangular paper sheet B is inserted into the corner insertion portions D, D in a state where the edge of the rectangular paper sheet B comes into contact with the inner surface of the continuous portion of the corner pressing paper piece 4 and the flange portion 6 and is received. While being held, the whole is held and supported by the surface of the corner pressing paper piece 4 and the adhered surface C. Therefore, even if the rectangular sheet B is delusional, the edge of the rectangular sheet is
The corner portion of the rectangular paper leaf B is received by the continuous portion (folded curve) of the corner pressing paper piece 3 and the flange portion 6, and the corner surface of the corner fixing paper piece 3 is adhered to the adhesive layer 2 on the back surface. The adhesive does not enter the adhesive portion with C, and the rectangular sheet B is not contaminated by the adhesive 2. In the method of using the corner fastener 1 of the rectangular sheet shown in FIG. 5, the description of the same parts as those of the corner fastener of the rectangular sheet shown in FIG. 1 is omitted.

Further, another example of the corner fastener 1 of another rectangular sheet will be described. In the above description, the corner fixing paper piece 3 and the corner pressing paper piece 4 have been described as having a right-angled isosceles triangle shape. However, as shown in FIG. 6, the corner fixing paper piece 3 is formed in a horizontally long rectangular shape. At the same time, a trapezoidal corner pressing paper piece 4 having the same width as the corner fixing paper piece 3 is continuously provided at the center of one long side edge of the corner fixing paper piece 3. The adhesive layer 2 may be laminated and integrated over the entire back surface of the corner fixing paper piece 3 and the corner pressing paper piece 4. A bent curve 5 is formed in a continuous portion of the corner fixing paper piece 3 and the corner pressing paper piece 4.

Next, a method of using the corner fastener 1 of the above-mentioned rectangular paper sheet will be described. Also in the case of the corner fastener 1 of the rectangular sheet, the corner pressing paper piece 4 of the corner fastener 1 of the rectangular sheet is folded along the folding curve 5 to the back side of the corner fixing paper piece 3. bending,
The outer edge 4b of the corner holding paper piece 4 is matched with the other long side edge 3a of the corner fixing paper piece 3, and the entire surface of the corner holding paper piece 4 on the adhesive layer 2 on the back surface of the corner fixing paper piece 3 Are overlapped and adhered to each other so that the surface 4a of the corner pressing paper piece on which the adhesive layer 2 is not provided is exposed to the adhesive layer 2 side of the corner fixing paper piece 3.

Thereafter, the rectangular paper sheet B is superimposed on a desired position on the surface C to be attached, such as a backing paper, and the above-mentioned corner fastener 1 of the rectangular paper sheet is placed on the square corner of the rectangular paper sheet B. The surface 4a of the corner holding paper piece 4 is applied. At this time, the inclined edges 42, 42 of the corner pressing paper piece 4 are matched with the edges B1, B1 of the corners of the rectangular sheet B, and the corner tip B2 of the rectangular sheet B is fixed to the corner fixing paper. The piece 3 is made to protrude from the center of the other long side edge. Then, the adhesive layer of the corner fixing paper piece 3 protruding outward from the surface 4a of the corner pressing paper piece 4 is adhered to the surface B to be adhered.

Then, the corners of the rectangular paper leaf B are made up of the corner pressing surface 4a on which the pressure-sensitive adhesive layer 2 formed by the surface 4a of the corner pressing paper piece 4 is not provided and the surface to be adhered C , And the rectangular paper sheet B is supported at a desired position on the surface to be adhered C without being contaminated by the adhesive layer 2. Further, as described above, the rectangular paper leaf B is formed by aligning the edges B1 and B1 which are continuous at right angles in the corners of the rectangular paper leaf with the inclined edges 42 and 42 of the corner pressing paper piece 4, and Is sandwiched and supported by the corner pressing surface 4a and the attaching surface C, so that the corner of the rectangular sheet B has the corner pressing surface 4a and the attaching surface C
And is supported at a predetermined position in a stable state without delusion in the gap formed by (see FIG. 6B). Note that, in the above-mentioned method of use, description of portions similar to the corner fasteners of the rectangular sheet shown in FIG. 1 is omitted.

In the above-mentioned corner fastener 1 of a rectangular sheet, the case where the corner fastener 1 of a rectangular sheet is composed of a corner fixing paper piece 3 and a corner pressing paper piece 4 has been described. The present invention is not limited to this, and may be a corner fastener 1 of a rectangular sheet as shown in FIG.

In other words, the corner fastener 1 of a rectangular paper leaf shown in FIG. 7 can be bent into a horizontally long rectangular corner fixing sheet 3 and one long side edge of the corner fixing sheet 3. And a right-angled isosceles triangular corner reinforcing cover paper piece 7 having the entire length of the long side as an oblique side. When the corner reinforcing cover sheet 7 is bent toward the corner fixing sheet 3 along the continuous portion and overlaps the back surface of the corner fixing sheet 3, the tip of the corner reinforcing cover sheet 7 is formed. The right-angled end is formed so as to coincide with the center of the other long side edge of the corner fixing sheet 3. Further, two inclined fold lines 8, 8 are formed from both ends of one long side edge of the corner fixing paper piece 3 toward the center of the other long side edge, and the corner fixing paper piece 3 is formed. A folding curve 5 is also formed at a portion where the paper piece 7 is connected to the corner reinforcing cover. An adhesive layer 2 is provided on the entire back surface of each of the corner fixing sheet 3 and the corner reinforcing cover sheet 7.

Next, a method of using the corner fastener 1 of the rectangular sheet will be described. The corner-reinforcement cover sheet piece 7 of the rectangular-shaped sheet-shaped corner fastener 1 is moved along the folding curve 5 to form the corner-fixed sheet piece 3.
Turned to the back side, the right-angled end of the corner reinforcing cover paper piece 7 coincides with the center of the other long side edge of the corner fixing paper piece 3, and the edge connected to the right angle of the corner reinforcing cover paper piece 7 is inclined. In the state along the fold lines 8, 8, the entire back surface of the corner reinforcing cover sheet 7 is overlapped and adhered on the corner fixing sheet 3,
A part of the adhesive layer 2 on the back surface of the corner fixing paper piece 3 is concealed by the corner fixing paper piece 7, and the front surface 7 a of the corner reinforcing cover paper piece 7 where the adhesive layer is not provided is exposed and reinforced. The cover 9 is formed.

Further, of the corner fixing paper pieces 3, the corner reinforcing cover paper pieces 7 are overlapped and not bonded.
The right-angled triangular sides 31, 31 outside the inclined fold lines 8, 8 are folded back along the inclined fold lines 8, 8 toward the front side of the corner fixing sheet 3 (see FIG. 7A). ). Then, both sides 31, 31 of the folded corner fixing paper piece 3 are turned on.
Are completely superposed on the inner surfaces of the corner fixing paper pieces 3 from the inclined fold lines 8, 8, and the surfaces of the both sides 31, 31 where these adhesive layers are not provided and the opposing adhesive surfaces A corner insertion bag portion E is formed by the surface of the corner fixing paper piece 3 on which the agent layer is not provided.

Then, the square corners of the rectangular paper leaf B are inserted into the corner insertion bag portions E formed as described above. At this time, edges B1, which are continuous at right angles in the corners of the rectangular sheet B,
It is adjusted so that B1 and the inclined fold lines 8, 8 coincide with each other.

Thereafter, both side portions of the above-mentioned corner fixed paper piece 3
The corner fastener 1 of the rectangular sheet is adhered to the surface to be adhered C by the adhesive layer 2 provided on the back surface of the 31, 31, and the rectangular sheet B is adhered by the corner insertion bag part E. The four corners are stably held, and the rectangular sheet B is stably positioned at a predetermined position on the surface C to be attached (see FIG. 7B).

In addition, the corners of the rectangular sheet B are
B1 and B1 are inserted and held in the corner insertion bag portion E in a state where the inclined fold lines 8 and 8 are aligned with each other.
Of the rectangular paper leaf B is supported in a stable state without delusion in the corner insertion bag portion E.

In the above-mentioned corner fastener 1 of a rectangular paper leaf, the case where the corner reinforcing cover paper piece 7 is formed into a right-angled isosceles triangle shape has been described, but the shape of the corner reinforcing cover paper piece 7 is not particularly limited. Instead, for example, as shown in FIG. 8, a semicircular shape having the entire length of the long side edge of the corner fixing sheet 3 as a diameter may be used. Also in this case, the adhesive layer 2 is provided on the entire back surface of the corner reinforcing cover paper piece 7.

When the shape of the corner reinforcing cover paper piece 7 is semicircular, the corner reinforcing cover paper piece 7 is formed in the same manner as the rectangular paper fastener 1 shown in FIG. 7 is folded back to the back side of the corner fixing paper piece 3 and both side parts 31, 31 of the corner fixing paper piece 3 are folded back to the front side of the corner fixing paper piece 3, as shown in FIG. , The corner reinforcing cover paper piece 7 is inclined fold lines 8, 8 of the corner fixing paper piece 3.
Are adhered to the back surface of the corner fixing paper piece 3 in a state where a part thereof protrudes from a right-angled isosceles triangular portion formed in the inner portion of the paper.

The adhesive layer 2 is formed on the entire back surface of the crescent-shaped portions 71 of the corner reinforcing cover paper piece 7 protruding from the right-angled isosceles triangle of the corner fixing paper piece 3.
When the corner fastener 1 of a rectangular paper leaf is stuck on the surface to be stuck C, the adhesive on the crescent-shaped portions 71, 71 of the corner reinforcing cover paper piece 7 is attached. The layer 2 assists the adhesive layer 2 on both sides 31, 31 of the corner fixing piece 3, and the corner fastener 1 of the rectangular paper leaf has crescent-shaped portions 71, 71 and both sides 31,
31 Both the adhesive layers 2 on the back surface surely adhere to the adhered surface C. The description of the same portions as the corner fasteners of the rectangular sheet shown in FIG. 7 is omitted.

In the corner fastener 1 of a rectangular sheet shown in FIG. 7, the corner reinforcing cover sheet 7 is replaced with the corner fixing sheet 3.
A case where the entire length of one of the long edges is a right-angled isosceles triangle with the hypotenuse being the hypotenuse, and both end edges of the oblique side of the corner reinforcing cover paper piece 7 are matched with both end edges of the long side edge of the corner fixing paper piece 3 As described above, as shown in FIG. 9 (a), extension portions 32, 32 may be provided at both ends in the longitudinal direction of the corner-fixing sheet piece 3, and the extension portions 32, 32 may be provided. 32 Adhesive layer 2, 2
Are layered. For other configurations, see FIG.
The description is omitted because it is the same as the corner fastener 1 of the rectangular sheet shown in FIG.

As described above, if the extending portions 32, 32 are provided at both ends of the corner fixing paper piece 3, when using the rectangular fastener 1 of this rectangular paper sheet, as shown in FIG. As in the case of the corner fastener 1 of the rectangular paper sheet, the extension 3
When the side portions 31 and 31 including the portions 2 and 32 are folded back to the front side of the corner fixing sheet 3, the extended portions 32 and 32 become
It protrudes from the opening end of the corner insertion bag E formed by the front surface and the surface of the corner fixing paper piece 3 facing the front.

Then, in this state, the corner fastener 1 of the rectangular paper sheet is extended similarly to the corner fastener 1 of the rectangular paper sheet.
The adhesive layer 2 is adhered on the adhered surface C by the pressure-sensitive adhesive layer 2 on the back surface of both sides 31, 31 including 2, 32. In the state in which the rectangular paper sheet is adhered to the attaching surface C of the corner fastener 1, the extended portions 32, 32 of the corner fixing sheet 3 protrude from the opening end of the corner insertion bag E. (See FIG. 9B).

Therefore, the extending portions 32, 32
Of the rectangular paper sheet B at the time of inserting the corners of
When the corners of the rectangular sheet B are inserted into the corner insertion bag E, the corners of the rectangular sheet B are slid on the guide surface 10 when the corners of the rectangular sheet B are inserted into the corner insertion bag section E. The corners of the rectangular sheet B are inserted into the corner insertion bags E while the corners are inserted into the corner insertion bags E.
(See FIG. 10).

[0052]

The corner fastener for a rectangular paper leaf according to the present invention is provided with a corner fixing paper piece of a rectangular paper leaf and a corner piece fixedly connected to one side of the corner fixing paper piece so as to be integrally formed. It consists of corner pressing paper pieces formed smaller than the section fixing paper pieces, and an adhesive layer is provided on the entire back surface of these corner pressing paper pieces and the corner fixing paper pieces, and the adhesive layer is Since the surface of the corner holding paper piece that is not provided is formed on the corner holding surface, the corner holding paper piece is folded back to the back side of the corner fixing paper piece, and both are overlapped and adhered After exposing the surface of the corner holding paper piece on which the adhesive layer is not provided to the adhesive layer side of the corner fixing paper piece, the corner of the rectangular paper sheet is placed on the four corners of the rectangular paper sheet. Apply the surface of the above-mentioned corner fixing paper piece in the fastener to the outside from the surface of the corner holding paper piece. The corners of the rectangular paper sheet can be accurately and reliably supported by a simple operation such as attaching the pressure-sensitive adhesive layer of the corner fixing paper piece protruding to the surface to be adhered. Can be accurately and reliably positioned at a predetermined position on the surface to be adhered.

Moreover, the corners of the rectangular paper sheet are sandwiched and supported by the surface on which the pressure-sensitive adhesive layer is not provided and the surface of the corner pressing paper piece. Is not contaminated by the adhesive.

Further, even when the rectangular sheet currently supported on the surface to be adhered is replaced with another rectangular sheet, the corners of the rectangular sheet are adhered by the adhesive as described above. Rather than being supported, the corner presser without the adhesive layer is supported by the clamping force between the surface of the piece of paper and the surface to be adhered. It can be easily removed from between the surface of the paper and the surface to be adhered,
Thereafter, another rectangular paper sheet can be immediately inserted between the surface of the corner pressing paper piece and the surface to be adhered, and a new rectangular paper sheet can be positioned on the surface to be adhered.

Further, as in the corner fastener of a rectangular paper sheet according to the second aspect, if a fold curve is formed in a continuous portion between the corner fixing paper piece and the corner pressing paper piece, The folding curve serves as a guide when the corner holding paper piece is folded back to the corner fixing paper side, and the corner fixing paper piece can be accurately and reliably folded back to the corner holding paper side.

The corner fixing paper piece is formed in a right-angled isosceles triangle shape while the corner fixing paper piece is formed into a right-angled isosceles triangular shape. It is formed in the shape of a right-angled isosceles triangle smaller than the corner fixing paper piece, and the oblique edge of this corner pressing paper piece is continuously connected to the center of the oblique edge of the corner fixing paper piece so as to be bendable. In this case, the edge of the rectangular paper leaf supported on the surface to be adhered coincides with the edge of the corner that is continuous at a right angle, and the edge of the corner holding paper folded back to one side of the corner fixing paper coincides with the edge that is continuous at a right angle. In this state, the corners of the rectangular paper sheet can be sandwiched by the surface of the corner pressing paper piece and the surface to be adhered, and the corner of the rectangular paper sheet can be held between the surface of the corner pressing paper piece and the surface to be adhered. It can be stably supported without delusion between.

Further, as in the rectangular paper sheet according to the fourth aspect, the pressure-sensitive adhesive layer is provided on the back surface at the edge of the corner pressing paper piece formed into a right-angled isosceles triangle and connected to the right angle. A flange portion on the surface of which no adhesive layer is provided is continuously provided, and this flange portion is folded back on the surface of the corner pressing paper piece, and the corner pressing paper piece is a right-angled isosceles triangular corner fixing paper. Inserting a corner of a rectangular paper leaf between the surface of the corner holding paper piece having no adhesive layer when the sheet is superposed and adhered to the adhesive layer of the piece, and the surface of the flange facing the surface When the configuration is such that a portion is formed, the edge of the rectangular paper sheet that is continuous at a right angle to the corner is abutted and received on the inner surface of the continuous portion of the flange portion and the corner pressing paper piece. Then, the corners of the rectangular sheet are pressed against the corners of the piece of paper and the surface to be adhered. Therefore, the corners of the rectangular paper sheet can be held in a stable state while the corners of the rectangular paper sheet are inadvertently adhered to the adhesive layer on the back surface of the corner fixing sheet. The rectangular sheet is not contaminated by the adhesive because it enters the adhesive portion with the landing surface.

Further, as in the corner fastener of a rectangular sheet according to the fifth aspect, the corner fixing paper piece is formed in a horizontally long rectangular shape, while the corner pressing paper piece is formed in the corner portion. It is formed in a trapezoidal shape having the same width as the fixed paper piece, and the long side edge of the corner pressing paper piece corresponding to the bottom of the trapezoidal shape is folded at the center of one long side edge of the corner fixed paper piece. In the case where the sheet is bendably connected, the corners of the rectangular sheet are sandwiched and supported by the corner holding sheet surface and the surface to be adhered with a minimum necessary clamping area. It is sufficient that a minimum required area is provided on the upper side. When the area of the surface to be applied is small, the corners of the rectangular paper sheet can be particularly effectively held and supported.

Like the corner fastener of the rectangular sheet according to the sixth aspect, the corner fixing sheet of the rectangular sheet and one side of the corner fixing sheet are integrally connected so as to be bent. And a corner-reinforcement cover paper piece formed smaller than the corner-fixation paper piece, and an adhesive layer is provided on the entire back surface of the corner-fixation paper piece and the corner-reinforcement cover paper piece. By overlapping and bonding the corner cover paper pieces on the back surface of the corner fixing paper pieces to form a reinforcing cover on the corner surface of the rectangular paper sheet, the both sides of the corner fixing paper pieces are on the front side. And the back surfaces of both sides thereof are used as an adhesive layer for sticking to the surface to be adhered, and the corners of a rectangular paper leaf are inserted by the surfaces of the folded sides and the surface of the corner fixing paper piece facing the surface. If it is configured to form a bag section, remove the corner reinforcing cover The corner portion is folded back to one side of the fixed sheet and both sides of the corner fixed sheet are folded back to the front side of the corner fixed sheet. A simple method such as inserting and supporting the corners of a rectangular paper sheet into the insertion bag portion and attaching the corners to the surface to be adhered by an adhesive layer provided on the back surface of both sides of the corner fixing paper piece. The corners of the rectangular sheet can be accurately and reliably supported by the work, and the rectangular sheet can be accurately and reliably positioned at a predetermined position on the surface to be adhered.

Moreover, the corners of the rectangular paper sheet are formed by the surfaces of both sides of the corner fixing paper piece on which the adhesive layer is not provided and the surface of the corner fixing paper piece opposed thereto. The rectangular paper leaf is held by the corner insertion bag part of the shaped paper leaf, and the corner of the rectangular paper leaf is not contaminated by the adhesive. Also, since the corners of the rectangular paper sheet are received on the inner surfaces of the folded portions on both sides of the corner fixing paper piece in the corner insertion bag section, the corners of the rectangular paper sheet are The rectangular paper sheet is stably supported without delusion in the bag.

Further, even when the rectangular sheet currently supported on the surface to be attached is replaced with another rectangular sheet, the corners of the rectangular sheet are adhered by the adhesive as described above. Instead of being supported, it is embraced by the corner insertion bag portion formed by the both side surfaces of the corner fixing paper piece on which the adhesive layer is not provided and the surface of the corner fixing paper piece opposed thereto. Therefore, it is possible to easily remove the corner of the rectangular paper sheet from the corner insertion bag section, and then immediately insert another corner of the rectangular paper sheet into the corner insertion bag section. Thus, a new rectangular paper sheet can be positioned on the surface to be adhered.

As in the corner fastener of the rectangular sheet according to the seventh aspect, the corner fixing paper piece is formed in a horizontally long rectangular shape, while the corner reinforcing cover paper piece is the corner fixing paper. It is formed in the shape of a right-angled isosceles triangle with the long side of the piece as the hypotenuse, and the corner reinforcing cover paper piece is connected to one of the long side edges of the corner fixing paper piece so that it can be folded back and the corner is formed. An inclined fold line is provided on the fixed sheet piece from both ends of one long side edge toward the center of the other long side edge, and the adhesive layers on the back surfaces of both sides of the triangular shape outside the inclined fold line are adhered. The corner insertion bag portion of the rectangular paper leaf is formed by the triangular side surfaces of both sides formed on the adhesive layer to be adhered to the attachment surface and the opposing surface portions of the corner fixing paper pieces where the both sides are folded. If it is configured to be The corners of the rectangular paper sheet are inserted and held in the corner insertion bag section with the folded line (inclined fold line) of the section aligned with the edge connected to the right angle of the corner section of the rectangular paper sheet. Therefore, the corners of the rectangular paper sheet can be stably supported in the corner insertion bag without being deviated.

As in the rectangular paper sheet according to claim 8, extension portions are provided at both ends in the longitudinal direction of the oblong rectangular corner fixing sheet piece, and the extension portions are bent when bent from the inclined fold line. In the case where the corner guide surface of the rectangular sheet protruding from the opening end of the corner insertion bag section is formed by the above, the extension portion inserts the corner of the rectangular sheet into the corner. A guide surface is formed at the corner of the rectangular sheet when inserted into the bag portion, and when the corner of the rectangular sheet is inserted into the corner insertion bag portion, the corner of the rectangular sheet is guided by the guide surface. By inserting the rectangular sheet into the corner insertion bag section by inserting it into the corner insertion bag section while sliding on the top, it is possible to smoothly and reliably insert the corner section of the rectangular sheet into the corner insertion bag section.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of a state in which a corner fastener of a rectangular paper sheet of the present invention is temporarily bonded on release paper.

FIG. 2 is a perspective view showing one example of a corner fastener of a rectangular paper sheet according to the present invention as viewed from above and below.

FIG. 3 is a view showing a procedure for using the corner fastener of the rectangular paper sheet shown in FIG. 2;

FIG. 4 is a cross-sectional view showing a state in which the corner of the rectangular paper leaf is sandwiched between the surface of the corner pressing paper piece of the corner fastener of the rectangular paper leaf and the surface to be adhered opposing thereto;

FIG. 5 is a diagram showing a use procedure of another embodiment of a corner fastener of a rectangular sheet.

FIG. 6 is a perspective view showing another embodiment of a corner fastener of a rectangular paper sheet and a usage mode thereof.

FIG. 7 is a perspective view showing another embodiment of the corner fastener of a rectangular paper sheet and its use mode.

FIG. 8 is a perspective view showing another embodiment of a corner fastener of a rectangular paper sheet and a usage mode thereof.

FIG. 9 is a perspective view showing another embodiment of the corner fastener of a rectangular paper sheet and its use mode.

FIG. 10 is a cross-sectional view showing a state in which a rectangular sheet is being inserted into the corner insertion bag while the corners are slid on the guide surface.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Corner fastener of rectangular paper 2 Adhesive layer 3 Corner fixing paper piece 31 Both sides of corner fixing paper piece 4 Corner pressing paper piece 4a Surface of corner pressing paper piece 5 Fold curve 6 Flange section 6a Flange section 7 Surface of corner-reinforcement cover paper 7a Surface of corner-reinforcement cover paper 8 Inclined crease line 9 Reinforcement cover 10 Corner guide surface of rectangular paper A Release paper B Rectangular paper C Adhering surface D Corner insertion part of rectangular paper leaf E Corner insertion bag part

Claims (8)

[Claims] 1. A corner fixing paper piece of a rectangular paper leaf and a corner press formed integrally with one side of the corner fixing paper piece so as to be bent and formed smaller than the corner fixing paper piece. An adhesive layer is provided on the entire back surface of each of the corner pressing paper piece and the corner fixing paper piece, and the surface of the corner pressing paper piece where the adhesive layer is not provided is formed by cornering. A rectangular fastener for a rectangular paper sheet, which is formed on a pressing surface. 2. A corner fastener for a rectangular paper sheet according to claim 1, wherein a bent curve is formed in a continuous portion between the corner fixing paper piece and the corner pressing paper piece. . 3. The corner fixing paper piece is formed in a right-angled isosceles triangle shape, while the corner holding paper piece is formed in a smaller right-angled isosceles triangle shape than the corner fixing paper piece. 3. The rectangular shape according to claim 1, wherein the oblique edge of the corner pressing sheet is connected to the center of the oblique edge of the corner fixing sheet so as to be bent. Corner fastener for shaped paper leaf. 4. A flange portion provided with an adhesive layer on the back surface but not provided with an adhesive layer on the front surface, on a side edge of the corner pressing paper piece formed in the shape of a right-angled isosceles triangle and connected to the right angle. The flange portion is folded back on the surface of the corner holding paper piece, and the corner holding paper piece is adhered to the adhesive layer of the corner fixing paper piece having a right-angled isosceles triangular shape by adhesion. It is characterized in that a corner insertion portion of a rectangular paper leaf is formed between the surface of the corner pressing paper piece where the agent layer is not provided and the surface of the flange portion facing the surface. The corner fastener of a rectangular sheet according to any one of claims 1 to 3. 5. The corner fixing paper piece is formed in a horizontally long rectangular shape, while the corner pressing paper piece is formed in a trapezoid having the same width as the corner fixing paper piece. The long side edge of the corner pressing paper piece corresponding to the bottom of the corner fixing paper piece is connected to the center of one long side edge of the corner fixing paper piece so as to be bendable. Item 3. A corner fastener for a rectangular paper sheet according to Item 2. 6. A corner reinforcing sheet piece of a rectangular paper sheet and a corner reinforcement formed integrally with one side of the corner fixing sheet piece so as to be bendable and formed smaller than the corner fixing sheet piece. It consists of a cover paper piece, an adhesive layer is provided on the entire back surface of these corner fixing paper pieces and corner reinforcing cover paper pieces,
By forming a corner cover paper piece on the back surface of the corner fixing paper piece by polymerizing and bonding it to form a reinforcing cover portion on the corner surface of the rectangular paper sheet, and folding both sides of the corner fixing paper piece to the front side The back surface of the both sides is used as an adhesive layer for sticking to the surface to be stuck, and the corner insertion bag portion of the rectangular paper leaf is formed by the folded side surfaces and the surface of the corner fixing paper piece facing the surface. A rectangular fastener for a rectangular paper sheet, characterized in that the fastener is formed. 7. The corner fixing paper piece is formed in a horizontally long rectangular shape, while the corner reinforcing cover paper piece is formed in a right-angled isosceles triangle with the long side of the corner fixing paper piece as an oblique side. The corner reinforcing cover paper piece is connected to one long side edge of the corner fixing paper piece so that it can be folded back, and the corner fixing paper piece is extended from both ends of one long side edge to the other side. An inclined fold line is provided toward the center of the edge, and the adhesive layer on the back surface of both sides of the triangular shape outside the inclined fold line is formed on the adhesive layer to be adhered to the surface to be adhered and the triangular shape is formed. 7. The corner insertion bag portion of the rectangular paper sheet is formed by the surface of both sides of the sheet and the opposing surface of the corner fixing paper piece where the both sides are folded.
4. A corner fastener for a rectangular paper sheet according to item 1. 8. An extended portion is provided at both ends in the longitudinal direction of the piece of paper for fixing the corner portion of the horizontally long rectangle, and when the sheet is bent from the inclined fold line, the extension portion extends from the open end of the corner insertion bag portion. The corner fastener of a rectangular sheet according to claim 7, wherein a corner guide surface of the projecting rectangular sheet is formed.