JP3386448B2 - Crease forming tape for forming a fold at the upper edge portion of the curtain, and a curtain using the same - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fold for a curtain which allows a required fold to be easily and surely formed on the upper edge portion of the curtain by pulling a drawstring attached to the upper edge portion of the curtain. It relates to a forming tape. or,
The present invention relates to a curtain using the pleated tape.

[0002]

2. Description of the Related Art A fold forming tape for a curtain, which is attached to the upper edge of a curtain and has a fold formed on the upper edge of the curtain by pulling and pulling a drawstring, has a structure shown in FIG. 25, for example. Is provided.

The tape a is provided on one side of the tape base material b.
Two drawstrings c, c are arranged in parallel in the vertical direction so as to extend in the lengthwise direction. The drawstrings c are provided on the tape base material b at required intervals in the lengthwise direction. It was possible to form a fold by inserting the cord into the cord inserting portion d and pulling the pull cord c.

In order to form the fold h shown in FIG. 29 on the upper edge portion g of the curtain f by using the tape a having the above structure, as shown in FIG.
Was sewn to the upper edge portion g of the curtain with the side on which the drawstring c is arranged facing up, and then the drawstring c was drawn. However, even if the pleats are not formed in this way, the friction resistance between the drawstring and the tape base material is large because the length of the upper edge portion of the curtain is long,
Therefore, it is not possible to form all the pleats over the entire length of the upper edge portion by one-time drawing, and the drawing has to be performed several times.

As shown in FIG. 27, the procedure is to form a set j of several pleats h within a possible range on the side of the drawing by one drawing, and then, as shown in FIG. The parts are sequentially sent to the front side, and then, as shown in FIG. 27, the drawing is again squeezed to form a set j of pleats, which is then sent to the front side, and by repeating such an operation, the upper edge part g The folds were distributed throughout the length of the.

[0006]

However, when the conventional pleated tape a is used, the rigidity of the tape base material b is substantially uniform over the entire length thereof.
It is not enough to disperse the folds over the entire length of the upper edge portion g, and the folds h and h are slackened as indicated by a symbol k in FIG. 28. Therefore, as shown in FIG. 29, the interval between the folds must be adjusted in order from the end so that the folds h and h can be stretched. It required a great deal of effort.

The present invention aims to provide a fold forming tape for a curtain which can solve the above problems, and an object of the present invention is to provide a curtain using the fold forming tape.

[0008]

In order to solve the above problems, the present invention adopts the following means. That is, the first of the fold forming tape for a curtain according to the present invention is a tape capable of forming a desired fold on the upper edge portion of the curtain by being attached to the upper edge portion of the curtain. At least one drawstring is arranged on one surface side so as to extend in the length direction thereof, and the drawstring is inserted into a string insertion portion provided at a required interval in the length direction of the tape base material. By squeezing the drawstring, pleats of a desired shape can be formed in parallel in the lengthwise direction of the tape base material, whereby the pleats can be formed on the upper edge portion of the curtain. Further, the tape base material is formed as a woven fabric, and when viewed in the length direction, between the portions that form the folds, a rigid portion having an elastic repulsion force greater than that of the fold formation portion is formed. A reinforcing yarn woven as a warp in the length direction of the tape base material is woven as a weft in the rigid portion to increase the weft density of the rigid portion,
As a result of the increased weft density, the elastic repulsion force is increased.

The second aspect of the present invention is a fold forming tape for a curtain, which is a tape which is attached to the upper edge portion of the curtain so that a desired fold can be formed on the upper edge portion. At least one drawstring is arranged on one surface side of the material so as to extend in the lengthwise direction, and the drawstring is inserted into a string insertion portion provided at a required interval in the lengthwise direction on the tape base material. By squeezing the drawstring, it is possible to form pleats of a desired shape in parallel in the length direction of the tape base material, whereby the folds can be formed on the upper edge portion of the curtain. . And the tape base material is formed as a warp knit, and when viewed in the length direction,
Between the portions that form the folds, there is a rigid portion in which the elastic repulsion force is greater than in the portion that forms the folds, and the reinforcing yarn woven into the tape base material in the length direction thereof is the rigid portion. In (1), the thread density of the rigid portion is increased by inserting the tape base material in the width direction, and as a result of increasing the thread density in this manner, the elastic repulsion force is increased. It is what

Another aspect of the fold forming tape according to the present invention is that, in the first and second fold forming tapes, by pulling the drawstring, a tubular shape extending in the vertical direction over the entire width of the tape base material. When the pleats are formed at required intervals in the length direction of the tape substrate, the rigid portion is defined between the portions forming the tubular pleats.

In another aspect of the fold forming tape according to the present invention, in the first and second fold forming tapes, by pulling the drawstring, a vertical tubular shape over the entire width of the tape base material. When forming a pleat gathering portion where a plurality of pleat gathers are gathered in the longitudinal direction of the tape base material at a required interval,
The rigid portions are formed between the portions that form the cylindrical folds and between the portions that form the fold gathering portions in the portions that form the fold gathering portions.

Another aspect of the fold forming tape according to the present invention is that, in the first and second fold forming tapes, the upper and lower portions of the tape base material are formed by squeezing the drawstring. When forming tubular folds at required intervals in the lengthwise direction, the portions forming the tubular folds in the lengthwise direction of the tape base material in the upper portion and the lower portion, respectively. The space between them is the rigid portion.

Another aspect of the fold forming tape according to the present invention is that, in the first and second fold forming tapes, the upper and lower portions of the tape base material are formed by drawing the draw string. When forming tubular pleats at required intervals in the lengthwise direction, the tubular pleats arranged in the lower part should be present between the tubular pleats arranged in the upper part. In each of the upper portion and the lower portion, the rigid portion is defined between the portions forming the tubular folds when viewed in the length direction of the tape base material.

When forming the pleats over the entire width of the tape substrate, it is preferable that the rigid portion is formed over the entire width of the tape substrate. The reinforcing yarn is preferably composed of a monofilament.

In the curtain according to the present invention, any one of the fold-forming tapes is attached to the upper edge portion of the curtain, and the drawstring is squeezed so that the required folds are arranged in parallel on the upper edge portion of the curtain. It is characterized in that it is formed in.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. [First Embodiment] In FIG. 1, a fold forming tape for curtain (hereinafter referred to as a fold forming tape) 1 according to the present invention 1
Consists of two drawstrings 3 and 3 arranged in parallel above and below one surface of a tape substrate 2 formed as a uniform width woven tape so as to extend in the length direction thereof. , 3 by drawing the tape base material 2 as shown in FIG.
It is possible to form vertically long tubular pleats 5 at the required intervals over the entire width thereof.

The drawstrings 3 are tunnel-shaped string insertion portions 6 provided on the tape base material 2 at equal intervals in the length direction.
The drawstring 3 floats on the tape base material surface 7 between the adjacent string insertion parts 6 and 6 to form a floating string part 9. The string insertion part 6 is formed by weaving both longitudinal edges of a fabric cover piece floating on the tape base surface 7 into the tape base 2, and with respect to the upper and lower drawstrings 3, 3. The string insertion portions 6 and 6 are provided in a vertically symmetrical arrangement.

Further, the tape substrate 2 is seen in its length direction,
Portions forming the folds 5 (fold forming portions) 12, 12
The space between them is a rigid portion 13 whose elastic repulsive force is greater than that of the fold forming portion 12. The rigid portion 13 is shown with hatching for convenience of explanation. This point is the same in the drawings for explaining the respective embodiments below.

The rigid portion 13 is made of, for example, a monofilament, which is woven as warp yarns 16a along one outer edge 15 of the tape base 2 as shown in the schematic diagram of FIG. The reinforcing yarn 16 is formed by weaving it as a weft yarn 16b in the portion forming the rigid portion 13 to increase the weft density of the portion (the reinforcing yarn is added to the weft yarn of the tape base material). As described above, the effect of increasing the rigidity by increasing the weft density,
The elastic repulsive force of the rigid portion 13 is increased by the rigidity increasing action of the bent portions 17, 17 of the monofilament.

However, when the required pleats 5 are formed on the upper edge portion 20 of the curtain 19 as shown in FIG. 6 using the pleated tape 1 having such a structure, first, as shown in FIG. The tape 1 is sewn to the upper edge portion 20 with the side on which the drawstring 3 is arranged facing up.

Then, as shown in FIG. 4, the drawstring 3,
By pulling 3 on one end side, several sets of vertical pleats 5 are formed on the pulling side. This pulling is performed by connecting the other ends of the drawstrings 3 and 3 to each other as shown in FIG. 3 to prevent the drawstring from coming off. After that, as shown in FIG. 5, the formed cylindrical folds are sequentially fed to the front side.
Since a rigid portion 13 having a large elastic repulsion force is provided between the rigid ridges 13 and 12, a portion between the cylindrical folds 5 and 5 sent to the front side is the rigid portion 13 as shown in FIG. Due to the elastic repulsive force of, the width is automatically adjusted to a predetermined width.

After that, the drawstring 3 is drawn again, and a set of tubular pleats 5 is formed on the drawstring side in the same manner as described above.
By sequentially sending this to the other side and repeating this,
As shown in FIGS. 6 to 7, a tubular fold 5 extending over the entire width of the tape base material 2 over the entire length of the upper edge portion 20.
Are evenly spaced.

[Second Embodiment] FIG. 8 shows another embodiment of the pleat forming tape 1 according to the present invention. As shown in FIGS. , A cylindrical fold 5 in the vertical direction over the entire width of the tape substrate 2
2 is a case in which the pleat collecting portion 22 in which the two are gathered is formed at a required interval in the length direction of the tape base material 2 formed as a woven tape.

Similar to the above, the drawstrings 3, 3 are arranged in parallel above and below one surface of the tape substrate 2. And between the portions 12, 12 forming the adjacent tubular folds 5, 5, and the portion 1 forming the fold gathering portions 22, 22
A portion between 8 and 18 is a rigid portion 13 having the same configuration as described above.

In this way, the portion 1 forming the cylindrical folds
Since the portion between 2 and 12 is also the rigid portion 13, the individual cylindrical folds 5 can be accurately formed with good appearance.
FIG. 11 shows that by pulling the draw strings 3 and 3 arranged in parallel on one surface side of the tape base 2 in parallel with FIG.
As shown in FIG. 13, the fold forming tape 1 is formed by forming a fold gathering portion 22 where three cylindrical folds 5 in the vertical direction are gathered at a required interval in the length direction of the tape base material 2. As described above, between the portions 12 and 12 that form the adjacent pleats 5 and 5 and between the portions 18 and 18 that form the pleat collecting portions 22 and 22, the rigid portions having the same configuration as described above are provided. It is supposed to be 13.

Further, in FIG. 14, by pulling the draw strings 3 and 3 arranged in parallel on one surface side of the tape base material 2 in a vertical direction, as shown in FIGS. The fold gathering portion 22 where five of the folds 5 gather is attached to the tape base 2
2 shows a fold forming tape 1 formed at required intervals in the length direction of the folds, between the portions 12, 12 forming the adjacent tubular folds 5, 5 and the fold gathering portion, as described above. A space between the parts 18 forming the parts 22, 22 is a rigid part 13 having the same structure as described above. The working process for forming the required folds 5 on the upper edge portion 20 of the curtain 19 using the fold forming tape 1 having such a configuration is the same as that described in the first embodiment.

[Third Embodiment] FIG. 17 shows another embodiment of the pleat forming tape 1 according to the present invention, in which the drawstring 3 arranged on one side of the tape base 2 is drawn. Thus, as shown in FIGS. 18 to 19, the present invention relates to a case where the tubular pleats 5 having a bag shape with a thin tip are formed in a zigzag arrangement in the vertical direction.

As shown in FIG. 17, the pleat forming tape 1 has two drawstrings 3, 3 respectively on an upper portion 23 and a lower portion 24 of a tape substrate 2 formed as a woven tape.
3, 3 are arranged in parallel, each drawstring 3 is inserted through the string insertion part 6, and the floating string part 9a on the outside having a long length and the intermediate part in the length direction thereof overlap and have a short length. A pair of inner floating strings 9b are arranged in a zigzag pattern on the upper side and the lower side. Then, the upper portion 23 and the lower portion 2
In each of No. 4, adjacent to each other in the length direction of the tape base material,
A space between the portions 12 forming the cylindrical fold is a rigid portion 13 having the same structure as described above. The rigid portion 13 is
In the present embodiment, in consideration of the ease of manufacturing the fold forming tape, as shown in FIG. 17, the short string insertion portion located inside is formed into a substantially square shape having one side as the length. Therefore, the rigid portion 13 does not exist in a part between the portions 12 forming the cylindrical folds, but the elastic repulsive force of the formed rigid portion may arrange the folds 5 and 5 to have a predetermined width. As far as possible, such embodiments are also included in the present invention.

In this case, as shown in the schematic diagram of FIG. 20, the reinforcing yarns 16, 16 as monofilaments are arranged as warp yarns 16a, 16a at one side edge and in the middle of the tape base material. In the rigid portions 13 and 13 of the upper portion and the lower portion, the weft density of the rigid portion 13 is increased by weaving the reinforcing yarns 16 and 16 as the monofilaments as the weft yarns 16b and 16b. . The working process for forming the required folds 5 on the upper edge portion 20 of the curtain 19 using the fold forming tape 1 having such a configuration is the same as that described in the first embodiment.

[Fourth Embodiment] FIG. 21 shows another embodiment of the pleat forming tape 1 according to the present invention. One surface of the tape base material 2 formed as a tape of a warp knitted cloth of equal width. Two drawstrings 3, 3 are arranged in parallel above and below the side so as to extend in the lengthwise direction.
As shown in FIG. 22, it is possible to form vertically long tubular pleats 5 at required intervals over the entire width of the tape substrate 2 by squeezing.

The pull cord 3 is a tunnel-shaped cord insertion portion 6 formed by knitting the tape base material 2 at equal intervals in the length direction.
The drawstring 3 floats on the tape base material surface 7 between the adjacent string insertion parts 6 and 6 to form a floating string part 9, and the upper and lower drawstrings 3 and 3 are connected to each other. The insertion parts 6 and 6 are provided in a vertically symmetrical arrangement.

Further, the tape substrate 2 is seen in its length direction,
A space between the fold forming portions (fold forming portions) 12 is a rigid portion 13 having a larger elastic repulsive force than the fold forming portion 12.

The rigid portion 13 has a reinforcing thread 16 formed of, for example, a monofilament, which is woven in the length direction of the tape base material 2 as shown in the schematic diagrams of FIGS. 23 and 24. Is formed by inserting a long portion in the width direction of the tape base material 2 in the portion forming the rigid portion 13 to increase the yarn density of the portion (reinforcing yarn is added to the yarn of the tape base material). The elastic repulsive force of the rigid portion 13 is enhanced by the rigidity increasing action due to the increased weft density and the rigidity increasing action in the bent portions 17, 17 of the monofilament.

The work steps for forming the required folds 5 on the upper edge portion 20 of the curtain 19 using the fold forming tape 1 having such a structure are the same as those described in the first embodiment.

[Other Embodiments] (1) In each of the pleat forming tapes in the second and third embodiments, the tape base material 2 may be changed to a warp knitted tape. .

(2) In the present invention, the number of drawstrings arranged on one side of the tape base material may be one.

(3) The reinforcing yarn 16 is not limited to a monofilament as long as it can form the required rigid portion 13.

(4) When forming tubular folds in the upper portion and the lower portion of the tape base 2, the upper and lower tubular folds may be provided so as to face each other vertically.

(5) When the pleat forming tape according to the present invention forms the pleat gathering portion 22 in which the tubular pleat 5 gathers by pulling and drawing of the drawstring 3, in each portion forming the pleat gathering portion. The rigid portions 13 may not be formed between the portions 12, 12 that form the adjacent tubular folds 5, 5.

[0040]

The present invention has the following excellent effects. According to the present invention, when viewed in the lengthwise direction of the tape base material, the space between the folds is formed as a rigid portion having a large elastic repulsion force by weaving or knitting of the reinforcing thread. When the folds are formed by drawing the drawstring arranged on the material, the elastic repulsive force of the rigid portion can surely hold the gap between the folds in a predetermined manner.

More specifically, when the pleats formed by drawing the drawstring are fed to the front side to form the folds on the entire upper edge portion of the curtain, the folds formed by the drawing are simply sent to the front side. Just the space between the folds,
Since the elastic repulsive force of the rigid portion naturally keeps it correct, the workability of forming the folds in the curtain is greatly improved as compared with the prior art.

Further, when a fold gathering portion in which a plurality of vertical folds of folds are gathered is formed by pulling the drawstring, not only between the portions forming the fold gathering portion but also of each tubular fold. When the portions forming the folds are also formed as the rigid portions, the portions between the portions forming the tubular folds are formed as the rigid portions, so that the tubular folds can be formed neatly and accurately. become.

With these, at the upper edge of the curtain,
There is an advantage that a pleat of a desired shape having a good appearance can be easily formed. Further, it is possible to provide a curtain having such a pleasing pleat formed on the upper edge portion of the curtain.

[Brief description of drawings]

FIG. 1 is a partial perspective view showing a fold forming tape according to the present invention.

FIG. 2 is an explanatory diagram showing an arrangement state of reinforcing threads in a rigid portion.

FIG. 3 is a partial perspective view showing a state in which a fold forming tape is sewn to the upper edge portion of the curtain.

FIG. 4 is a perspective view showing a state in which a set of pleats is formed by drawing a draw string.

FIG. 5 is a perspective view showing a state in which pleats formed by pulling and pulling a drawstring are sequentially fed to the front side.

FIG. 6 is a partial perspective view showing a curtain having a fold formed on an upper edge portion.

FIG. 7 is a perspective view showing the fold.

FIG. 8 is a partial perspective view showing another embodiment of the pleat forming tape according to the present invention.

FIG. 9 is a perspective view showing a state in which a set of pleats is formed by pulling and drawing a drawstring when the fold forming tape is used.

FIG. 10 is a perspective view showing the fold.

FIG. 11 is a partial perspective view showing another aspect of the pleat forming tape.

FIG. 12 shows a case where the pleated tape is used,
It is a perspective view which shows the state which formed the fold by the draw of the drawstring.

FIG. 13 is a perspective view showing the fold.

FIG. 14 is a partial perspective view showing another aspect of the pleat forming tape.

FIG. 15 shows a case where the pleating tape is used,
It is a perspective view which shows the state which formed the fold by the draw of the drawstring.

FIG. 16 is a perspective view showing the fold.

FIG. 17 is a partial perspective view showing another aspect of the fold forming tape.

FIG. 18 shows a case where the pleat forming tape is used,
It is a perspective view which shows the state which formed the fold by the draw of the drawstring.

FIG. 19 is a perspective view showing the fold.

FIG. 20 is an explanatory diagram showing an arrangement state of reinforcing threads that form a rigid portion.

FIG. 21 is a partial perspective view showing another aspect of the pleat forming tape.

FIG. 22 shows a case where the pleated tape is used,
It is a perspective view which shows the state which formed the fold by the draw of the drawstring.

FIG. 23 is an explanatory diagram showing an arrangement state of reinforcing yarns that form a rigid portion.

FIG. 24 is an explanatory view showing another arrangement state of the reinforcing yarn which constitutes the rigid portion.

FIG. 25 is a partial perspective view showing a conventional fold forming tape.

FIG. 26 is a partial perspective view showing a state in which the fold forming tape is sewn to the upper edge portion of the curtain.

FIG. 27 is a perspective view showing a state in which a set of pleats is formed by pulling the draw string of the fold forming tape.

FIG. 28 is a perspective view showing a state in which a set of formed pleats is sent to the front side.

FIG. 29 is a perspective view showing a state in which folds are formed on the upper edge portion of the curtain by adjusting the space between folds.

[Explanation of symbols]

1 pleat forming tape 2 Tape base material 3 drawstring 5 folds 12 Folding part 13 Rigid part 16 Reinforcing yarn

Claims (9)

(57) [Claims] 1. A tape which is attached to the upper edge portion of a curtain so that a required fold can be formed on the upper edge portion, and the tape extends to the one surface side of the tape base material in the length direction thereof. As described above, at least one drawstring is arranged, and the drawstring is inserted into a string insertion portion provided at a required interval in the length direction of the tape base material, and by pulling the drawstring, The folds of the required form can be formed in parallel in the length direction of the tape base material, whereby the folds can be formed at the upper edge portion of the curtain, and the tape base material is formed as a woven fabric, When viewed in the sagittal direction, a space between the pleated portions is a rigid portion having an elastic repulsion force greater than that of the pleated portions, and is woven as warps in the length direction of the tape base material. The reinforcing thread is Woven yarns are woven to increase the weft density of the rigid portion. As a result of the increased weft density, the elastic repulsion force is increased, and a fold is formed on the upper edge portion of the curtain. Pleated tape for forming curtains. 2. A tape which can be attached to the upper edge portion of a curtain to form a required fold on the upper edge portion and which extends in one side of the tape base material in the longitudinal direction thereof. As described above, at least one drawstring is arranged, and the drawstring is inserted into a string insertion portion provided at a required interval in the length direction of the tape base material, and by pulling the drawstring, The folds of the required form can be formed in parallel in the length direction of the tape base material, whereby the folds can be formed at the upper edge portion of the curtain, and the tape base material is formed as a warp knit, When viewed in the length direction, a space between the fold forming portions is a rigid portion having a larger elastic repulsion force than the fold forming portion, and the reinforcing yarn woven in the length direction of the tape base material. However, in the rigid part, the tape base The upper edge of the curtain is characterized in that the elastic repulsive force is increased as a result of the thread density of the rigid portion being increased by being inserted long in the width direction of the A fold forming tape for a curtain that forms a fold in a part. 3. When the vertical folds of the tape base material over the entire width of the tape base material are formed at required intervals in the lengthwise direction of the tape base material by drawing the drawstring, the tubular folds are formed. The fold forming tape for a curtain, wherein a fold is formed on an upper edge portion of the curtain according to claim 1 or 2, wherein a portion between the portions forming the ridge is the rigid portion. 4. A wrinkle gathering portion, in which a plurality of vertically-folded tubular wrinkles are gathered over the entire width of the tape base material, is formed by pulling a drawstring at a required interval in the length direction of the tape base material. In that case, the rigid portions are formed between the portions forming the pleated gathering portions, between the portions forming the cylindrical folds, and between the portions forming the fold gathering portions. A fold forming tape for a curtain, wherein a fold is formed on an upper edge portion of the curtain according to claim 1. 5. When the tubular folds are formed at required intervals in the length direction of the upper portion and the lower portion of the tape base material by pulling the pull cord, The curtain portion according to claim 1 or 2, wherein, in each of the lower side portions, the rigid portion is formed between portions that form a tubular fold when viewed in the length direction of the tape base material. Pleated tape for curtains that forms pleats on the upper edge. 6. When the tubular cords are formed at required intervals in the lengthwise direction of the upper and lower portions of the tape substrate by pulling the drawstring, Between the arranged cylindrical folds, there is a cylindrical fold arranged in the lower part, and in each of the upper part and the lower part, when viewed in the length direction of the tape base material, The fold forming tape for a curtain, wherein folds are formed on an upper edge portion of the curtain according to claim 1 or 2, wherein a portion between the portions forming the tubular fold is the rigid portion. 7. The curtain for forming a fold at the upper edge portion of the curtain according to claim 1, wherein the rigid portion is formed over the entire width of the tape base material. Fold forming tape. 8. The fold forming tape for a curtain for forming a fold on the upper edge portion of the curtain according to claim 1, wherein the reinforcing yarn is a monofilament. 9. The fold forming tape according to claim 1 is attached to an upper edge portion of the curtain, and the drawstring is squeezed to form a required fold on the upper edge portion of the curtain. A curtain characterized by being formed in parallel.