String passing tool

Abstract

To provide a drill for cardboard with a groove to be able to drill a hole on the cardboard and pull a string through it.SOLUTION: A groove and a guard are provided for putting a string on a drill.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a cutter used for tying cardboard boxes to be discarded.

Background Art

[0002] Conventional cutters were only for making holes. On the one hand, as an instrument used to tie a cardboard box to be discarded, there is one described in Patent Document 1, which is provided with a cut for a hook for hanging a string on the lateral side of the tip and in which a pole is held upright. Also, Patent Document 2 describes a tool provided with a cut portion for hanging a string on the front side of the tip.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0004] When discarding multiple cardboard boxes until now, the whole was tied in a cross shape with a string and put together. However, it had the following drawbacks.

[0005] For cardboard boxes of different sizes, the smaller cardboard boxes are likely to fall off during movement. To hang the string in a cross shape, the cardboard box has to be lifted and the string has to be hung vertically and horizontally, so 、 it is a very difficult task for elderly people and women. It is difficult to tightly hang and tie the string in a cross shape, and the string may become loose while carrying it. If the number of cardboard boxes to be discarded increases after hanging the string in a cross shape, the string has to be untied and retied.

[0006] The present invention was devised to eliminate such drawbacks.

[0007] The problem to be solved by the present invention is a cardboard cutter having a groove for hanging a string in the conventional cutter. (String Passing Tool) It is to provide this.

Means for Solving the Problem

[0008] The present invention is a cardboard cutter that can make a hole in cardboard and pass a string through it. (String Passing Tool) It is this.

Effects of the Invention

[0009] The cardboard cutter of the present invention (String Passing Tool) can perform the operation of making a hole in the cardboard with the cutter and passing a string for tying through it at once.

Brief Description of the Drawings

[0010]

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Mode for Carrying Out the Invention

[0011] Hereinafter, the state for carrying out the present invention will be described. (Example 1) The cardboard cutter of the present invention (String Passing Tool) is composed of a cutting part and a handle part as shown in FIG. 1. FIG. 2 is a plan view of the present invention. The tip 5 of the flat plate-shaped cutting part 1 is sharpened to make a hole 8 in the cardboard 6. FIG. 3 is a view of the present invention seen from the tip 5 direction. FIG. 4 is a view of the present invention seen from the handle part 10 direction.

[0012] An example of using the present invention will be described. In the first example, as shown in FIG. 5, a hole 8 is made in the cardboard 6 with the tip 5 of the flat plate-shaped cutting part 1 、 and stabbed until passing through the groove 4. Next, the string 7 is hung on the groove 4 、 Guard 2 (Tip-side Protrusion) while So that the string 7 does not come off blocking and holding in the tip 5 direction. As shown in FIG. 6, while holding one end of the string 7 in the tip 5 direction, the handle part 10 is pulled back in the forward direction 、 Flat plate-shaped cutting part 1 is pulled out. Then, as shown in FIG. 9, the string 7 can be passed through the cardboard hole 8.

[0013] In the second example, as shown in Fig. 7, a hole 8 is made in the cardboard 6 with the tip 5 of the flat cutting part 1 and stabbed until just in front of the groove 4. Next, the string 7 is placed in the groove 4 and held in the direction of the handle part 10 while being blocked by the guard 3. As shown in Fig. 8, while holding the string 7 on the handle part 10, the cutting part 1 is further stabbed, the string 7 is passed through the hole 8, and then while holding one end of the string 7 in the direction of the tip 5, the handle part 10 is pulled back in the forward direction to remove the flat cutting part 1. Then, as shown in Fig. 9, the string 7 can be passed through the cardboard hole 8. When the flat cutting part 1 is stabbed into the cardboard 6 and the handle part 10 is rotated, a larger hole can be made, making it easier to pass the string 7. Also, the flat cutting part 1 can be used as a cardboard box opener. The shape of the groove 4 is preferably an ellipse, triangle, quadrilateral, etc., in a shape where the string fits well. 、 As shown in Fig. 8, while holding the string 7 on the handle part 10, the cutting part 1 is further stabbed, the string 7 is passed through the hole 8, and then while holding one end of the string 7 in the direction of the tip 5, the handle part 10 is pulled back in the forward direction to remove the flat cutting part 1. Then, as shown in Fig. 9, the string 7 can be passed through the cardboard hole 8. 、 Guard 3 (Rear-side Protrusion) and So that the string 7 does not come off held in the direction of the handle part 10 while being blocked by the guard 3. As shown in Fig. 8, while holding the string 7 on the handle part 10, the cutting part 1 is further stabbed, the string 7 is passed through the hole 8, and then while holding one end of the string 7 in the direction of the tip 5, the handle part 10 is pulled back in the forward direction to remove the flat cutting part 1. 、 The string 7 is passed through the hole 8, and then while holding one end of the string 7 in the direction of the tip 5, the handle part 10 is pulled back in the forward direction to remove the flat cutting part 1. Then, as shown in Fig. 9, the string 7 can be passed through the cardboard hole 8. 、 When the flat cutting part 1 is stabbed into the cardboard 6 and the handle part 10 is rotated, a larger hole can be made, making it easier to pass the string 7. Also, the flat cutting part 1 can be used as a cardboard box opener. The shape of the groove 4 is preferably an ellipse, triangle, quadrilateral, etc., in a shape where the string fits well.

[0014] When the flat cutting part 1 is stabbed into the cardboard 6 and the handle part 10 is rotated, a larger hole can be made, making it easier to pass the string 7. Also, the flat cutting part 1 can be used as a cardboard box opener. The shape of the groove 4 is preferably an ellipse, triangle, quadrilateral, etc., in a shape where the string fits well. 、 Triangle or Quadrilateral, etc. 、 The shape where the string fits well is desirable.

[0015] As shown in Fig. 9, when using the present invention, the string 7 held in the groove 4 can be passed through either from the direction of the tip 5 or from the direction of the handle part 10. 、 The string 7 held in the groove 4 can be passed through either from the direction of the tip 5 or from the direction of the handle part 10.

[0016] As shown in Fig. 10, when using the cardboard cutter of the present invention, several pieces of cardboard 6 are stacked and holes 8 are made, the string 7 is passed through and tied. When holes 8 are made and the string 7 is passed through at multiple locations, cardboard of different sizes can be stably tied. Also, when carrying, if the string 7 passed through at multiple locations is tied to form a handle 9, it can be carried with one hand. (String Passing Tool) When using the cardboard cutter of the present invention, several pieces of cardboard 6 are stacked and holes 8 are made, the string 7 is passed through and tied. 、 When holes 8 are made and the string 7 is passed through at multiple locations, cardboard of different sizes can be stably tied. Also, when carrying, if the string 7 passed through at multiple locations is tied to form a handle 9, it can be carried with one hand. 、 When holes 8 are made and the string 7 is passed through at multiple locations, cardboard of different sizes can be stably tied. Also, when carrying, if the string 7 passed through at multiple locations is tied to form a handle 9, it can be carried with one hand. 、 When holes 8 are made and the string 7 is passed through at multiple locations, cardboard of different sizes can be stably tied. Also, when carrying, if the string 7 passed through at multiple locations is tied to form a handle 9, it can be carried with one hand. 、 It can also be carried with one hand.

[0017] (Example 2) Fig. 11 shows a cardboard cutter in which the flat cutting part 1 described above is made into a conical cutting part 13. The cutting part can be composed of a flat plate, a cone, a polygon, etc. Also, a guard 11 for pulling (String Passing Tool) Fig. 11 shows a cardboard cutter in which the flat cutting part 1 described above is made into a conical cutting part 13. The cutting part can be composed of a flat plate, a cone, a polygon, etc. Also, a guard 11 for pulling(Tip-side Protrusion) Guard 12 for pushing (Rear-side Protrusion) is to prevent the guard from getting caught on the cardboard when passing through the hole 8 and to make it difficult for the string 7 to come off 、 the guard is inclined inward. Regarding the handle part, a handle part 10 connected to the flat cutting part 1 in a T-shape, a cylindrical handle part 14 made into a cylindrical shape, etc. can be considered

[0018] Figure 12 is a plan view of the conical cutting part 13. Guard 11 and The tip of guard 12 has a shape such as a trapezoid that is easy to hang the string 7 Figure 13 is a left side view of the conical cutting part 13 seen from the tip 5 direction Figure 14 is a right side view of the conical cutting part 13 seen from the cylindrical handle part 14 direction

[0019] (Example 3) As shown in Figure 15, the conical cutting part 13 bulges toward the middle part 15 、 and then narrows again from there. By bulging the middle part 15, the hole 8 can be made larger 、 and there is an effect that the string 7 hung on the groove 4 can be easily passed through the hole 8

[0020] Figure 16 is a side view of the middle part 15 of the conical cutting part 13 bulged

[0021] (Example 4) Figure 17 shows a groove 16 for pulling alone and a groove 17 for pushing alone provided separately on the flat cutting part 1 or the conical cutting part 13 、 with a guard 2 (Tip-side Protrusion) and a guard 3 (Rear-side Protrusion) respectively provided

[0022] (Example 5) Figure 18 shows only the groove 16 for pulling alone provided on the flat cutting part 1 or the conical cutting part 13 、 with a guard 2 (Tip-side Protrusion) respectively provided

[0023] Cardboard cutter(String Passing Tool) The cutting part of 、 can be a flat plate, a cone, or a pyramid.

[0024] In the conventional method of hanging a string in a cross shape, 、 the cardboard has to be lifted and the string has to be hung vertically and horizontally. However, with this method, the string always loosens 、 and small-sized cardboard may fall off, which is a time-consuming task. With the cardboard cutter of the present invention, 、 multiple cardboards can be lifted and the work can be easily done without hanging a string. Also, when the number of cardboards to be discarded increases after hanging the string in a cross shape, the work has to be redone. However, with the of cardboard cutter of the present invention, the cardboards can be tied together with a simple operation of making a new hole at a new location, passing the string through it, and tying it, without untying and retying the string.

[0025] The shaft material of the cutting part is made of a material such as stainless steel that is hard and difficult to bend and can have a sharp tip.

Explanation of Signs

[0026] 1 Flat plate-shaped cutting part 2 Guard for pulling 3 Guard for pushing 4 Groove for hanging the string 5 Tip of the cutter 6 Cardboard 7 String 8 Hole made by the cardboard cutter 9 Handle made of the passed string 10 Handle part 11 Inclined inward pull Guard for pulling 12 Inclined inward pull, push Guard for pushing 13 Conical cutting part 14 Cylindrical handle part 15 Conical cutting part with a bulged middle part 16 Groove for pulling alone 17 Groove for pushing alone

Claims

【Claim 1】 A string-passing tool for making holes in corrugated cardboard to be discarded, passing a string through the holes, and tying the corrugated cardboard with the string, comprising: the string-passing tool includes a cutting portion, a tip of the cutting portion, and a handle portion provided at an end of the cutting portion opposite to the tip for a person to hold; the cutting portion has a flat plate shape with a long side and a short side in cross section, and a groove is provided on the short side at a middle portion between the tip and the handle portion; a tip-side protrusion or a rear-side protrusion is provided at an entrance of the groove such that a width of the entrance of the groove is wider than a length of the short side and narrower than a width inside the groove; the string-passing tool, wherein a length of the long side of the cutting portion gradually widens from the tip to the groove.

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