JP3106191U - Paper binding file - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sheet binding file capable of sufficiently withstanding the weight of sheets even when the number of sheets increases, and a sheet binding file 1 of the present invention. The first extension 12 of the front cover 10 is provided with a first locked portion 15, and the other end of the back cover 20 is provided with a plurality of first locking portions 25. Therefore, the first locking portion 25 and the first locked portion 15 can be locked to completely fix the front cover 10 and the back cover 20 that are separated from each other. Thereby, even when the sheets are thick and the weight is applied, it is possible to prevent the front cover 10 and the back cover 20 from being separated from each other.
[Selection diagram] Fig. 1

Description

  The present invention relates to a sheet binding file that enables the thickness of a file to be adjusted according to the amount of documents in the field of binding sheets.

2. Description of the Related Art Conventionally, as a sheet binding file (hereinafter, referred to as a file) that can cope with an increase in the number of sheets to be bound, a file described in Patent Document 1, for example, is known. This file is composed of a front cover, a back cover, and a spine portion. Each of the front cover and the back cover has a bag portion, and both ends of the spine portion can be stored in the bag portion. As a result, when the amount of paper sheets to be bound using the binding string increases, both ends of the spine portion stored in the front cover and back cover bags are pulled out, so that the paper sheets to be bound are It is possible to cope with an increase in the number of sheets, and even if the number of sheets increases, the spine held on the spine can appear symmetrically.
JP-A-8-175065

  However, in the file described in Patent Document 1, when the number of sheets increases, only the binding string supports the weight. Therefore, if the binding mechanism of the binding string is weak, the binding string may not be able to withstand the load and the binding string may fall out of the paper sheet.

  The present invention has been made in view of the above circumstances, and a purpose of the present invention is to bind a paper sheet binding file that can sufficiently withstand the weight of the paper sheet even when the number of paper sheets increases. Is to provide.

  In order to achieve the above object, the sheet binding file according to claim 1 is formed by combining a front cover having a first binding base and a back cover having a second binding base separated from each other. A sheet binding file, wherein the front cover has a first extended portion extended from the first binding base portion, and one end of the back cover has a loop portion into which the first extended portion can be inserted. One of the first extending portion and the other end of the back cover is provided with a first locking portion, and the other is provided with a first covering portion which allows the first extending portion inserted into the annular portion to be freely disengaged. The configuration is such that a locking portion is provided.

  According to the first aspect, the front cover has a first extended portion extended from the first binding base portion, and the back cover has an annular portion at one end into which the first extended portion can be inserted. Thus, by simply inserting the first extension portion of the front cover into the upper part of the loop formed on the back cover, it is possible to easily guide the separated front cover and the back cover to a state where they are integrally combined.

  Also, a first locking portion is provided on one of the first extending portion of the front cover and the other end of the back cover, and the first extending portion inserted into the loop portion is detachable on the other. A first locked portion is provided. Therefore, by locking the first locking portion and the first locked portion, the front cover and the back cover which are separated from each other can be completely fixed. Can prevent the front cover and the back cover from being separated from each other.

  The sheet binding file according to claim 2 is a sheet binding file formed by combining a front cover having a first binding base and a back cover having a second binding base separated from each other. The front cover has a first extended portion extended from the first binding base portion, and at one end of the back cover, a loop portion into which the first extended portion can be inserted is formed. One of the other ends of the back cover is provided with a first locking portion, and the other is provided with a first locked portion that allows the first extension portion inserted into the ring portion to be freely disengageable. The first binding portion or the second binding portion has an insertion hole into which a binding string is inserted, and a second locking portion is provided on one of the binding string and the first binding portion or the second binding portion. The other is provided with a second locked portion that allows the binding string inserted into the insertion hole to be freely engaged and disengaged.

  According to the second aspect, the front cover has a first extended portion extended from the first binding base portion, and the back cover has an annular portion at one end into which the first extended portion can be inserted. Thus, by simply inserting the first extension portion of the front cover into the upper part of the loop formed on the back cover, it is possible to easily guide the separated front cover and the back cover to a state where they are integrally combined.

  In addition, a first locking portion is provided on one of the first extending portion of the front cover and the other end of the back cover, and the first extending portion inserted into the loop portion is detachable on the other. A first locked portion is provided. The first binding portion or the second binding portion has an insertion hole for inserting a binding string, and a second locking portion is provided on one of the binding string and the first binding portion or the second binding portion. The other is provided with a second locked portion that allows the binding string inserted into the insertion hole to be freely engaged and disengaged. Therefore, by locking the first locking portion and the first locked portion, the front cover and the back cover which are separated from each other can be completely fixed. Can prevent the front cover and the back cover from being separated from each other, and by locking the second locking portion and the second locked portion, the binding string and the first binding source can be prevented. Since the sheet or the second binding base can be completely fixed, it is possible to prevent the sheets from falling off from the binding string when the sheets become thick and load is applied.

  The sheet binding file according to claim 3 is a sheet binding file formed by combining a front cover having a first binding base and a back cover having a second binding base separated from each other. The first binding portion or the second binding portion has an insertion hole into which a binding string is inserted. A second locking portion is provided on one of the binding string and the first binding portion or the second binding portion. The other is provided with a second locked portion that allows the binding string inserted into the insertion hole to be freely engaged and disengaged.

  According to the third aspect, the first binding base or the second binding base includes an insertion hole into which a binding string is inserted, and the binding strap and one of the first binding base or the second binding base include the second binding base. A locking portion is provided, and the other is provided with a second locked portion that allows the binding string inserted into the insertion hole to be freely disengaged. Accordingly, by locking the second locking portion and the second locked portion, the binding cord and the first binding portion or the second binding portion can be completely fixed. Can be prevented from falling off from the binding string when the weight is increased and the weight is applied.

  The sheet binding file according to the first or second aspect of the present invention has a thickness of the sheet to be bound if the position where the first locking portion and the first locked portion are locked is appropriately selected. The thickness of the file can be changed accordingly. Either the first locking portion or the first locked portion may be provided at the other end of the back cover and at the second extension portion that can be folded back toward the second binding base portion ( Claim 4). In this case, even if the file is formed from a thin material, the other end of the back cover can be folded back toward the second binding base to provide strength.

  Further, the first locking portion and the second locking portion according to any one of claims 1 to 4 are configured by a convex portion, and the first locked portion and the second locked portion are formed by a concave portion or a penetrating portion. It is preferable that it is constituted by a hole (claim 5). Further, the first locking portion and the second locking portion, and the first locked portion and the second locked portion may be a hook-and-loop fastener composed of countless hooks and rings that mesh with each other. Item 6). Thereby, each locking part and each locked part can be repeatedly inserted and removed.

  The cover according to any one of claims 1 to 6 may have a spine portion to which a light-transmitting film capable of holding the spine is attached. (Claim 7). As a result, the spine portion on which the title and the like are described can be held by the spine portion, and the written characters and the like can be easily viewed from the outside of the film. Can be determined.

  The spine portion according to any one of claims 1 to 7 preferably has a plurality of finger-shaped depressions (claim 8). This makes it easier for a finger to be caught on the spine of the sheet binding file when storing the file, so that the file can be easily taken out from a storage location such as a bookshelf.

  Further, it is preferable that the sheet binding file according to any one of claims 1 to 8 recycles waste plastic as a material (claim 9). Therefore, since the waste plastic is recycled, it is possible to manufacture a sheet binding file that is environmentally friendly and has excellent strength.

  Further, it is preferable that the sheet binding file according to any one of claims 1 to 9 incorporates a material for imparting conductivity to the material (claim 10). As a result, it is possible to produce a sheet binding file in which static electricity hardly occurs and which is easy for the supplier and the user to handle.

  It is preferable that the sheet binding file according to any one of claims 1 to 10 is formed of a colored material (claim 11). Thus, the bound sheets can be identified by the color of the formed sheet binding file. Further, the front cover and the back cover may be configured in different colors. This makes it possible to manufacture a sheet binding file rich in design.

  Further, the first binding portion and the second binding portion according to claim 2 or 3 have a binding string adjusting portion for adjusting the length of the binding string, and the binding string is the first binding portion. Since the length can be adjusted many times from the first or second binding source to the binding string adjusting section (claim 12), the length of the binding string is corrected according to the thickness of the sheets to be bound. While fixed.

  As described above, according to the sheet binding file of the present invention, the front cover has the first extension part extended from the first binding source part, and the back cover has the first extension part inserted at one end. A possible loop is formed. Thus, by simply inserting the first extension portion of the front cover into the upper part of the loop formed on the back cover, it is possible to easily guide the separated front cover and the back cover to a state where they are integrally combined. Also, a first locking portion is provided on one of the first extending portion of the front cover and the other end of the back cover, and the first extending portion inserted into the loop portion is detachable on the other. A first locked portion is provided. Therefore, by locking the first locking portion and the first locked portion, the front cover and the back cover which are separated from each other can be completely fixed. Can prevent the front cover and the back cover from being separated from each other.

  FIGS. 1 to 4 show a first embodiment of the present invention. FIG. 1 is a perspective view showing a sheet binding file, FIG. 2 is a front view showing a spine portion, and FIG. FIG. 4 is a sectional view showing the first locked portion and the first locking portion.

  The sheet binding file 1 of the present invention will be described with reference to the drawings. As shown in FIG. 1, the sheet binding file 1 mainly includes a front cover 10 and a back cover 20.

  First, the structure of the cover 10 will be described. As shown in FIG. 1, the cover 10 includes a first binding portion 11, a first extension portion 12, and a spine portion 13. The first binding base portion 11 has insertion holes 14a and 14b formed on the side surface. The first extension portion 12 is provided with a plurality of first locked portions 15 on one end side. The spine portion 13 is provided between the first binding portion 11 and the first extension portion 12, and has a plurality of finger-like depressions 16 and a plurality of folds 17. Further, a light transmissive film 18 capable of holding the spine is attached to the spine 13.

  As shown in FIG. 2, the finger-shaped depressions 16 are formed at equal intervals, and folds 17 are provided between the finger-shaped depressions 16. FIG. 3A shows a part of a cross-sectional view of the finger-shaped depression 16 at AA ′, and FIG. 3B shows a part of a cross-sectional view of the finger-shaped depression 16 at BB ′. FIG. 3C shows a part of a cross-sectional view taken along the line CC ′ of the finger-shaped depression 16. 3A and 3B, the finger-shaped depression 16 is formed such that the width of the depression becomes smaller from A-A 'to C-C'.

  Next, the structure of the back cover 20 will be described. As shown in FIG. 1, the back cover 20 includes a second binding source portion 21 and a ring portion 23. The second binding portion 21 and the loop portion 23 are respectively provided on one end side of the back cover 20, and a plurality of insertion holes 24 are formed on a side surface of the second binding portion 21. Further, a plurality of first locking portions 25 are provided on the other end side of the back cover 20.

  The operation of the sheet binding file 1 configured as described above will be described. First, a method of locking the first locked portion 15 provided on one end side of the first extending portion 12 and the first locking portion 25 provided on the other end side of the back cover 20 will be described. First, as shown in FIG. 1, the first extending portion 12 is inserted into the ring portion 23, and the front cover 10 and the back cover 20 that have been separated from each other are combined. Next, the width of the first extending portion 12 to be inserted into the loop portion 23 is adjusted according to the thickness of the sheets to be bound. Then, when the width of the first extending portion 12 can be adjusted, the appropriate first locked portion 15 and the first locking portion 25 are locked as shown in FIG.

  According to the sheet binding file 1 according to the present embodiment, the front cover 10 has the first extension portion 12 extended from the first binding source portion 11, and the back cover 20 has one end having the first extension portion. A ring-shaped portion 23 into which the wire 12 can be inserted is formed. By this, simply inserting the first extension portion 12 of the front cover 10 into the annular portion 23 formed on the back cover 20 allows the front cover 10 and the back cover 20 that are separated from each other to be easily combined. Can be guided.

  A first locked portion 15 is provided on the first extending portion 12 of the front cover 10, and a plurality of first locking portions 25 are provided on the other end of the back cover 20. Therefore, the first locking portion 25 and the first locked portion 15 can be locked to completely fix the front cover 10 and the back cover 20 that are separated from each other. Thereby, it is possible to prevent the front cover and the back cover from being separated from each other when the sheets become thick and the weight is applied. If the position where the first locking portion 25 and the first locked portion 15 are locked is appropriately selected, the thickness of the sheet binding file 1 is changed according to the thickness of the sheet to be bound. It can be appropriately changed according to the thickness of the kind.

  The first binding portion 11 is thin near the joint with the front cover 10. Therefore, the first binding base 11 can be freely bent about the joint portion with the cover 10 as an axis. Similarly, the second binding base portion 21 is thin near the joint portion with the annular portion 23. Therefore, the second binding base portion 21 can be freely bent around the joint portion with the ring portion 23 as an axis.

  Further, as shown in FIG. 1, the spine portion 13 is provided with the fold 17, so that the spine portion 13 is easily curved in accordance with the amount of paper sheets.

  6 to 9 show a second embodiment of the present invention, wherein FIG. 6 is a front view showing a binding string, and FIG. 7 is to insert the binding string into an insertion hole provided on a side surface of the first binding base. FIG. 8 is a plan view showing that the binding string has been inserted into the first binding base, and FIG. 9 is a perspective view showing that the binding string has been locked to the second binding base. .

  The sheet binding file 1 according to the first embodiment includes a first locked portion 15 provided at one end of the first extension portion 12 and a first locking portion provided at an end of the back cover 20. 25, it is possible to cope with the thickness of the paper sheets to be bound. However, the paper sheet binding file 1 according to the second embodiment has an insertion file provided on the side surface of the first binding base 11. The difference is that the binding string 30 inserted into the hole 14a and the second binding base 21 are locked so as to be able to accommodate the thickness of the sheets to be bound.

  First, the structure of the binding string 30 will be described. As shown in FIG. 6, the binding string 30 includes a stopper 31 and a band 32, and a second locked portion 33 is provided on a part of the band 32.

  Next, the relationship between the binding string 30 and the insertion hole 14a provided on the side surface of the first binding base 11 will be described. As shown in FIG. 6, the stopper 31 of the binding string 30 has a width X1 and a height Y1. Further, as shown in FIG. 7A, the insertion hole 14a provided on the side surface of the first binding portion 11 has a width X2 and a height Y2. At this time, the width X1 is slightly shorter than the width X2 and longer than the height Y2.

  Subsequently, a process in which the binding cord 30 is inserted into the insertion hole 14a provided on the side surface of the first binding base 11 will be described. First, as shown in FIG. 7A, the stopper 31 of the binding string 30 is inserted into the insertion hole 14a. Next, as shown in FIG. 7B, the stopper 31 inserted into the insertion hole 14a is rotated counterclockwise (in the direction of the arrow) by 90 degrees. As described above, since the stopper 31 is hooked on the insertion hole 14a, it is possible to keep the binding string 30 from falling out of the insertion hole 14a. Further, as shown in FIG. 7 (c), after the band portion 32 of the binding string 30 is bent in the direction of the arrow, as shown in FIG. 8, the band portion 32 is inserted into the insertion hole 14c provided next to the insertion hole 14a. Is inserted, the binding string 30 can be securely held in the insertion hole 14a.

  Further, a method of locking the second locked portion 33 provided on the binding string 30 inserted into the insertion hole 14a as described above to the second binding base 21 will be described. First, the band 32 of the binding string 30 is inserted into the insertion hole 24 of the second binding source 21 as shown in FIG. Then, the second locking portion 35 provided on the second binding base portion 21 and the second locked portion 33 provided on the band portion 32 are locked. At this time, the pressing plate 34 presses the binding string 30 against the second binding base 21.

  According to the sheet binding file 1 according to the present embodiment, the first binding portion 11 and the second binding portion 21 are locked by locking the second locking portion 35 and the second locked portion 33. Is completely fixed, and the binding string 30 is prevented from falling out of the second binding base 21 by the holding plate 34, so that when the paper sheets become thick and the weight is applied, the binding string is Paper sheets can be prevented from falling off the paper. In addition, if the second locked portion 33 provided on the belt-shaped portion 32 that is locked to the second locking portion 35 provided on the second binding base portion 21 is appropriately selected, the thickness of the sheets to be bound can be increased. The distance between the first binding base portion 11 and the second binding base portion 21 can be adjusted as appropriate, so that the thickness of the sheet binding file 1 can be appropriately changed according to the thickness of the sheet. . The second locked portion 33 to be locked to the second locking portion 35 can be appropriately selected any number of times. Other configurations and operations are the same as those of the first embodiment.

  FIG. 10 shows a third embodiment of the present invention, and FIG. 10 is a plan view showing a binding string and a second binding base.

  The sheet binding file 1 according to the second embodiment is obtained by locking the binding string 30 inserted into the insertion hole 14 a provided on the side surface of the first binding base 11 and the second binding base 21. By pressing the binding string 30 with the holding plate 34, the binding string 30 is prevented from falling out of the second binding source section 21, but the sheet binding file 1 according to the third embodiment is The difference is that the second locking portion 35 and the second locked portion 33 are securely locked, and the binding string 30 is prevented from falling out of the second binding base portion 21 by the slider 36.

  First, the second binding source section 21 will be described. As shown in FIG. 10A, the second binding base 21 has a slider 36, a slider bar 37, and a second locking portion 35.

  Next, a method of locking the second locked portion 33 provided on the binding string 30 to the second binding base 21 will be described. First, the second locked portion 33 provided on the binding string 30 and the second locking portion 35 provided on the second binding base 21 are locked. Then, as shown in FIG. 10B, the slider 36 is slid in the direction of the arrow on the slider bar 37 (in the direction of the arrow), and the second locking portion 35 and the second locked portion 33 Lock completely.

  According to the sheet binding file 1 according to the present embodiment, the second locking portion 35 and the second locked portion 33 are completely locked by sliding the slider 36 on the slider bar 37. be able to. In addition, since the binding strap 30 does not fall out of the second binding base portion 21 by the slider 36, it is possible to prevent the sheets from falling off the binding strap 30 when the sheets are thickened and weighted. The other configuration and operation are the same as those of the second embodiment.

  11 to 13 show a fourth embodiment of the present invention. FIG. 11 is a perspective view showing a second binding base, FIG. 12 is a perspective view showing a second binding base and a binding string, and FIG. It is a top view which shows a 2nd binding origin part and a binding string.

  In the sheet binding file 1 according to the third embodiment, the second locking portion 35 and the second locked portion 33 are securely locked by the slider 36 so that the binding string 30 does not come off. Thus, the binding string 30 is prevented from falling out of the second binding base 21. However, in the sheet binding file 1 according to the fourth embodiment, the stopper 41 of the binding string 40 is provided with a through hole 42, and the through hole 42 is provided. Is hooked on the convex portion 38 provided on the second binding base portion, so that the binding string 40 and the convex portion 38 are securely locked.

  As shown in FIG. 11, the projection 38 has a hook 44. As shown in FIG. 12, the binding string 40 has a stopper 41 and a band-shaped portion 32, and the stopper 41 is formed with a through hole 42 and a non-slip portion 43.

  The relationship between the width X3 of the convex portion 38 and the through hole 42 provided in the stopper 41 of the binding string 40 will be described with reference to FIG. The width of the through hole 42 provided in the stopper 41 is formed to be slightly smaller than the width X3 of the projection 38.

  According to the paper sheets binding file 1 according to the present embodiment, the width of the through hole 42 provided in the stopper 41 is formed to be slightly smaller than the width X3 of the convex portion 38, so that the binding string 40 is securely attached to the convex portion 38. Since it is possible to prevent the stopper 41 of the binding string 40 from being caught and coming off from the convex portion 38, it is possible to prevent the sheets from falling off from the binding string 30 when the sheets become thick and load is applied. Further, since the binding string 40 has the non-slip portion 43, slipping of the finger when the binding string 40 is hooked on the projection 38 can be prevented. The other configuration and operation are the same as in the third embodiment.

  Note that the sheet binding file 1 of the first to fourth embodiments may have a second extension 22 as shown in FIG. The second extended portion 22 is folded back toward the second binding base 21 at the fold line 26, and the widths of the second extended portion 22 and the first extended portion 12 are adjusted according to the thickness of the sheets to be bound. Adjust. When the widths of the second extending portion 22 and the first extending portion 12 can be adjusted, the appropriate first locked portion 15 and the first locking portion 25 are locked as shown in FIG. . Thereby, the front cover 10 and the back cover 20 that are separated from each other are completely fixed, and the front cover 10 and the back cover 20 are separated from each other when the sheets are thickened and weighted. Can be prevented. Further, even in the case of the sheet binding file 1 formed from a thin material, the second extended portion 22 can be given strength by folding it back toward the second binding base.

  Further, the sheet binding file 1 according to the first to fourth embodiments may have a chamfered portion 19 on one end side of the first extended portion 12, as shown in FIG. Thereby, a force is easily applied when the first locked portion 15 and the first locking portion 25 are locked, so that the first locked portion 15 and the first locking portion 25 are completely engaged. Can be stopped. The corner of the chamfered portion 19 may be rounded. Then, similarly to the corner of the chamfered portion 19, at least one corner of the sheet binding file 1 of the first to fourth embodiments may be rounded.

  Further, the first locked portion 15 of the sheet binding file 1 according to the first to fourth embodiments has a circular shape, but as shown in FIG. An oval shape parallel to the binding base 11 or the second binding base 21 may be used. Thus, even if the first locked portion 15 having a circular shape cannot be locked well, the first locked portion 27 having an elliptical shape can expand and contract the material for forming the sheet binding file 1. By utilizing the ratio, the circular first locking portion 28 can be securely locked to the first locked portion 27. Although the sheet binding file 1 shown in FIG. 15 has both the chamfered portion 19 and the oval-shaped first locked portion 27, it may have only one of them.

  In the case where the molding method of the sheet binding file 1 according to the first to fourth embodiments is injection molding, as shown in FIG. 16, the first binding unit 11 includes the front cover 10 and the spine unit. It is preferable that the molding is integrally formed with the molding 13. Further, in the sheet binding file 1 of the first to fourth embodiments, as shown in FIG. 17, the first binding source 11 as a separate member is welded to the front cover 10 and the spine 13. It may be molded. Although FIGS. 16 and 17 illustrate the first binding base 11, the second binding base 21 may be formed in the same manner as the annular part 23.

  Further, in the sheet binding file 1 of the first to fourth embodiments, the first locking portion 25 may be a locked portion having a concave shape or a through-hole shape, and the first locking portion 25 may be a first locked portion. The locking portion 15 may be a convex locking portion. Similarly, the second locking portion 35 may be a locked portion having a concave or through-hole shape, and the second locked portion 33 may be a convex locking portion. And each locking part and a to-be-locked part may be a hook-and-loop fastener comprised of countless hooks and rings which mesh with each other.

  The sheet binding file 1 according to the first to fourth embodiments includes a case where the first extension portion 12 of the front cover 10 and the other end of the back cover 20 are locked, and a case where the binding string 30 The case where the first binding portion 11 or the second binding portion 21 is locked is described separately, but the sheet binding file 1 that locks by combining these two cases may be used. At this time, by locking the first locking portion 25 and the first locked portion 15, the front cover 10 and the back cover 20 that are separated from each other can be completely fixed. It is possible to prevent the front cover 10 and the back cover 20 from being separated from each other when the weight becomes thick and the weight is applied, and to lock the second locking portion 35 and the second locked portion 33. As a result, the binding string 30 and the first binding base 11 or the second binding base 21 can be completely fixed, so that when the sheets become thick and the weight is added, the sheets are removed from the binding string 30. It can be prevented from falling off.

  Also, in the sheet binding file 1 of the first to fourth embodiments, the first binding portion 11 has six holes penetrated, and the second binding portion 21 has two holes penetrated. It may be something. In this case, the binding string 30 is inserted into the second binding base 21 through which two holes have penetrated. Then, after the binding string 30 is inserted into any of the six holes penetrating the first binding base 11, the binding is locked. In addition, although six holes are made to penetrate the first binding base 11 or the second binding base 21, any number of holes may be formed as long as four or more holes are formed.

  Further, in the sheet binding file 1 according to the first to fourth embodiments, the binding string 30 is inserted into the two holes in the first binding base 11, but the binding string 30 is previously stored in the first binding base 11. The bar may be fixedly provided.

  In addition, it is preferable that the sheet binding file 1 of the first to fourth embodiments is formed of a material obtained by recycling waste plastic. This makes it possible to manufacture the paper binding file 1 that is environmentally friendly and has excellent strength because the waste plastic is recycled. When the paper binding file 1 is formed from a material obtained by recycling waste plastic, the file 1 may be formed from a foamed material whose volume is doubled. As a result, the amount of material used can be reduced, so that the sheet binding file 1 can be produced at low cost. In addition, since the foaming leads to a reduction in the weight of the sheet binding file 1 itself, the sheet binding file 1 that can be easily carried by the supplier and the user can be manufactured.

  Further, it is preferable that the sheet binding file 1 of the first to fourth embodiments is formed of a material into which a material for imparting conductivity is kneaded. As a result, it is possible to manufacture the sheet binding file 1 in which static electricity hardly occurs and which is easy for the supplier and the user to handle.

  Further, the sheet binding file 1 of the first to fourth embodiments may be formed of a colored material. Thus, the bound sheets can be identified by the color of the formed sheet binding file 1. Also, the front cover 10 and the back cover 20 may be configured in different colors. Thereby, the paper sheets binding file 1 having a rich design can be manufactured. As a method for coloring the paper sheets binding file 1, the paper sheets binding file 1 may be covered with a colored sheet material or the like. As an example of this, FIG. 18 shows the front cover 10 of the sheet binding file 1 covered with the colored sheet material 45.

FIG. 2 is a perspective view showing a sheet binding file according to the first embodiment of the present invention. Front view showing a spine part according to the first embodiment. Sectional view showing a finger-shaped depression according to the first embodiment Sectional view showing a first locked portion and a first locking portion according to the first embodiment. Sectional view showing the first locked portion and the first locking portion of the present invention. The front view which shows the binding string which concerns on 2nd Embodiment of this invention. The perspective view which shows inserting the binding string which concerns on 2nd Embodiment into the insertion hole provided in the side surface of the 1st binding origin part. The top view showing that the binding string concerning a 2nd embodiment was inserted in the 1st binding former part. The perspective view which shows that the binding string which concerns on 2nd Embodiment was latched by the 2nd binding origin part. FIG. 4 is a plan view showing a binding string and a second binding base according to the third embodiment of the present invention. The perspective view showing the 2nd binding origin part concerning a 4th embodiment of the present invention. The perspective view which shows the 2nd binding source part and binding string which concern on 4th Embodiment. FIG. 14 is a plan view showing a second binding source portion and a binding string according to the fourth embodiment. FIG. 2 is a perspective view showing a sheet binding file according to the present invention. FIG. 2 is a perspective view showing a sheet binding file according to the present invention. The perspective view which shows the 1st binding origin part of this invention. The perspective view which shows the 1st binding origin part of this invention. FIG. 3 is a cross-sectional view showing a cover covered with the colored sheet material of the present invention.

Explanation of reference numerals

  DESCRIPTION OF SYMBOLS 1 ... Sheet binding file, 10 ... Cover, 11 ... First binding part, 12 ... First extension part, 13 ... Spine cover part, 15 ... First locked part, 20 ... Back cover, 21 ... A second binding base portion, 22... A second extended portion, 25.

Claims (12)

A sheet binding file formed by combining a front cover having a first binding base separated from a back cover having a second binding base,
The cover has a first extension portion extended from the first binding base portion, and has a loop portion at one end of the back cover, into which the first extension portion can be inserted,
One of the first extending portion and the other end of the back cover is provided with a first locking portion, and the other is provided with a first extending portion inserted into the ring-shaped portion so that the first extending portion is detachable. (1) A sheet binding file, wherein a locked portion is provided. A sheet binding file formed by combining a front cover having a first binding base separated from a back cover having a second binding base,
The cover has a first extension portion extended from the first binding base portion, and has a loop portion at one end of the back cover, into which the first extension portion can be inserted,
One of the first extending portion and the other end of the back cover is provided with a first locking portion, and the other is provided with a first extending portion inserted into the ring-shaped portion so that the first extending portion is detachable. 1 locked part is provided, and
The first binding base or the second binding base includes an insertion hole for inserting a binding string,
A second locking portion is provided on one of the binding string and the first binding portion or the second binding portion, and a second locking portion is provided on the other so that the binding string inserted into the insertion hole can be freely disengaged. A sheet binding file characterized by having a locked portion. A sheet binding file formed by combining a front cover having a first binding base separated from a back cover having a second binding base,
The first binding base or the second binding base includes an insertion hole for inserting a binding string,
A second locking portion is provided on one of the binding string and the first binding portion or the second binding portion, and a second locking portion is provided on the other so that the binding string inserted into the insertion hole can be freely disengaged. A sheet binding file characterized by having a locked portion. The sheet binding file according to claim 1 or 2, wherein the other end of the back cover is a second extension portion that can be folded back to the second binding base portion side. The first locking portion and the second locking portion are configured by convex portions,
The paper binding file according to any one of claims 1 to 4, wherein the first locked portion and the second locked portion are configured by concave portions or through holes. The first locking portion and the second locking portion, and the first locked portion and the second locked portion are hook-and-loop fasteners composed of countless hooks and rings that mesh with each other. The sheet binding file according to any one of claims 1 to 4. The sheet binding file according to any one of claims 1 to 6, wherein the cover has a spine portion to which a light-transmitting film capable of holding the spine is attached. The sheet binding file according to claim 7, wherein the spine portion has a plurality of finger-shaped depressions. The paper binding file according to any one of claims 1 to 8, wherein the waste plastic is molded from a recycled material. The sheet binding file according to any one of claims 1 to 9, wherein the file is formed of a material into which a material for imparting conductivity is kneaded. The paper binding file according to any one of claims 1 to 10, wherein the file is formed of a colored material. The first binding base unit or the second binding base unit includes a binding string adjustment unit for adjusting the length of the binding string,
The paper sheet according to claim 2 or 3, wherein a length of the binding string can be adjusted many times from the first binding base portion or the second binding base portion to a binding string adjustment section. Similar binding file.

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