JP2010247488A - Eraser with cover - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an eraser with a cover in which the generation of staining or discoloration before use can be prevented from occurring only with the eraser cover made of a paper without greatly increasing the manufacturing cost, and a cover unnecessary section for exposing a necessary section of the eraser body for use can be easily cut off at starting of the use. <P>SOLUTION: This eraser 10 with the cover includes the eraser body 11, and the cover which covers the eraser body 11. In the eraser 10 with the cover, the cover 12 has a cylindrical body which covers the total outer peripheral surface of the eraser body 11 prior to use. On the cylindrical body, a cutting-off means for exposing the section required for the use of the eraser body 11 at starting of use is installed. The cutting-off means is constituted of an annular cut 15 which is installed in a direction orthogonal to the opening direction of the cylindrical body, a window hole extending in the using side opening direction of the cylindrical body of the eraser body which communicates with the annular cut 15, and a cut line which is formed in a manner to be connected with the using side opening from the window hole. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to an eraser with a cover for storing an eraser.

  Conventionally, in this type of eraser with a cover, a part of the outer peripheral surface necessary for using the eraser is exposed in advance, and the outer peripheral surface other than the exposed portion 4 is covered with a cover made of cardboard. (Fig. 6) Also, by covering the entire surface with a cover eraser with a cellophane sheet 5 with a part of the outer peripheral surface exposed in advance, dirt and fading on the exposed parts caused by delivery, display, or sales, etc. Was preventing. (Fig. 7)

  However, in the conventional eraser with a cover, those that are not covered with a sheet of cellophane or the like (FIG. 6) are particularly susceptible to stains on the exposed portion of the outer peripheral surface due to display, etc. It was not preferable in appearance. Furthermore, the cellophane coated sheet (FIG. 7) is expensive to manufacture, and the cellophane is generally transparent, so it is difficult to determine the opening operation support 6 (FIG. 7). There was a problem that it was difficult.

  The object of the present invention is to eliminate the need for coating with a sheet of cellophane or the like to prevent stains and fading, and with only a paper eraser cover without increasing the production cost, the entire outer surface of the eraser body before use is stained. An object of the present invention is to provide an eraser with a cover that can prevent the occurrence of fading and fading, and at the start of use, makes it possible to easily cut out an unnecessary portion of the eraser body in order to expose a portion necessary for use.

  The invention according to claim 1 of the present invention is an eraser body and an eraser with a cover covering the eraser body, the cover covering the entire outer peripheral surface of the eraser body before use, and the eraser on the cylinder Cutout means for exposing a portion necessary for use of the main body is provided.

According to a second aspect of the present invention, there is provided an annular cut in which the cutting means according to the first aspect is provided in a direction orthogonal to the opening direction of the cylindrical body, and a window hole extending in the use side opening direction of the eraser body communicating with the annular cut. , And a slit formed so as to continue from the window hole to the use side opening.

According to a third aspect of the present invention, the cut line extending from the window hole of the cylindrical body according to the second aspect to the use side opening is a streamlined cut, and the base end of the streamlined cut forms a side of the window hole. The other end is formed so as to reach one of the corners forming the use side opening of the cylindrical body.

According to a fourth aspect of the present invention, the cylindrical body according to the third aspect includes a pasting portion to which both sides of a cardboard are pasted, and the pasting portion is disposed facing the window hole and is formed in a double manner. The side cardboard covered by the pasting portion is provided with a substantially triangular cutout communicating with the annular cut.

According to a fifth aspect of the present invention, the guide portion of the cutting means according to the fourth aspect is arranged on any ridge line of an eraser body having a prismatic shape, and one end of the guide portion is orthogonal to the annular cut and the other end is used. It is characterized by communicating with a cut formed so as to be continuous with the side opening.

  The eraser with a cover according to the present invention is a cylindrical body that covers the entire outer peripheral surface of the eraser body before use, and for exposing a portion that is necessary for using the eraser body during use. Since the cutting means is provided, it is possible to prevent the occurrence of dirt before use. The cutting means is formed so as to communicate with an annular cut provided in a direction orthogonal to the opening direction of the cylindrical body, a window hole extending in the use side opening direction communicating with the annular cut, and communicating from the window hole to the use side opening. Therefore, the position of the cover cutting operation can be easily recognized at the start of use due to the presence of the window hole, and each cut is formed so as to communicate with the opening on the use side. Therefore, it is possible to reliably separate the unnecessary part from the necessary part.

  Since the guide part of the cutting means is one side that forms the window hole and is arranged on one of the ridge lines of the eraser body made of a prismatic shape, it is easy to pick the guide part with a finger when separating unnecessary parts at the start of use Therefore, the cover cutting operation can be easily performed. Furthermore, thick paper is overlapped by the affixing part and a part of the cylinder is doubled, so it becomes thick, but the side cardboard that covers the affixing part has a roughly triangular cutout, so it is thick Even if it exists, smooth cutting operation becomes possible.

It is the eraser with a cover of this invention embodiment, and is the perspective view which looked at the state before use from the front direction. It is the eraser with a cover of this invention embodiment, and is the perspective view which looked at the state before use from the back direction. It is the perspective view which looked at the eraser with a cover of the use condition by which the cover unnecessary part was cut off from the front direction. It is an expanded view of a cover. It is the eraser with a cover of other embodiment, and is the perspective view which looked at the state before use from the front direction. It is the perspective view seen from the front direction which shows the conventional eraser with a cover. It is the perspective view seen from the front direction which shows the eraser with a cover coat | covered with the sheet | seats, such as the conventional cellophane.

  Next, an embodiment for carrying out the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, the eraser body 11 of the cover-equipped eraser 10 of the present invention has a prismatic shape and is covered with a cover 12 made of a cylindrical body. The cover 12 has an annular cut 15 provided in a direction perpendicular to the opening direction of the cylindrical body, a window hole 16 extending in the direction of the use side opening 18 of the eraser body 11 communicating with the annular cut 15, and the use side from the window hole 16 to the use side. Streamline cuts 17 are formed so as to be continuous with the openings 18. This form is a state before use of the eraser main body 11 by a consumer, and shows a state where it is normally displayed and sold. Since the guide part 14 constituting one side of the window hole 16 guides the cutting operation of the cover unnecessary part 2 at the start of use and is arranged on any ridge line of the eraser body 11, it is easy to pick even a person with thick fingers. It has a configuration. FIG. 3 shows a state where the cover unnecessary portion 2 is cut off from the cover 12 and the eraser main body 11 is covered only on the cover necessary portion 3 and is used.

  FIG. 4 is a development view before the cover 12 is assembled into a cylindrical body. The cover 12 is made of a single cardboard 20, and the cover 12 is bonded by bonding both sides of the cardboard 20 with a marginal portion 21 provided on one side. Is formed. Therefore, the transverse sewing line 22 of the cardboard 20 corresponds to the annular cut 15 of the cylinder, and the long hole 23 on the transverse sewing line 22 corresponds to the window hole 16 of the cylinder. The inclined sewing line 24 extending so as to continue to the margin 21 from the long hole 23 corresponds to the streamlined cut 17. A substantially triangular notch 25 is formed on the opposite side of the margin 21 and corresponds to the notch 19 of the cover 12.

  FIG. 5 shows another embodiment in which a window hole 26 is arranged on the side surface so that the front appearance is not impaired. The guide portion 27 is also arranged on the side wall surface. In the previous embodiment, the guide portion 14 is formed in a straight line and perpendicular to the annular cut line 15 and the streamlined cut line 17. The end of the portion 27 has a rounded shape and is formed so that the cutting operation is easy even on the wall surface.

  Next, the cutting operation of the cover unnecessary portion 2 at the start of use of the eraser body 11 will be described with reference to FIG. First, when the guide portion 14 of the window hole 16 arranged on the ridge line of the eraser body 11 is picked in the direction opposite to the window hole 16, the annular cut 15 and the streamline cut 17 that are divided into two directions and are continuous with the guide portion 14. The cover 12 is cut along each of the lines, and a part of the eraser body 11 begins to be exposed. Those who cut along the streamlined cut line 17 reach the use side opening 18 and are released from the guide by the cut line to reach a corner in front of the bonding part 13. At the same time, the cut of the other annular cut line 15 is also cut into the bonding part. 13 is reached. Although the bonding portion 13 is formed in a double manner as described above, since the substantially triangular notch 19 is provided on the cardboard on the side to be covered, the cutting operation can be carried out without being caught in the middle. One of the cuts cut from the guide portion 14 of the window hole 16 is opened at the use side opening as described above. The other is cut along the circular cut 15 so as to go around the outer periphery of the eraser body and reaches the window hole 16 again. At this time, the cover-unnecessary portion 2 is released by being removed from the cover-necessary portion 3, and the cutting operation is completed.

  In addition, although embodiment mentioned above demonstrated by the cover used for an eraser, covers other than an eraser, such as a solid marker and a crayon, may be sufficient.

2 Cover unnecessary part 3 Cover required part 4 Exposed part 5 Cellophane film 6 Opening operation support part 10 Eraser with cover
11 Eraser body 12 Cover (cylinder)
13 Bonding section 14 Guide section
15 Annular cut 16 Window hole
17 Streamlined cut 18 Use side opening 19 Notch 20 Cardboard 21 Margin part 22 Crossing machine line
23 long hole 24 inclined machine wire
25 notches

Claims (5)

  In the eraser body and the eraser with a cover covering the eraser body, the cover is a cylindrical body covering the entire outer peripheral surface of the eraser before use, and the cylinder body is used to expose a portion necessary for using the eraser body An eraser with a cover, characterized in that a cutting means is provided.   The cutting means includes an annular cut provided in a direction orthogonal to the opening direction of the cylindrical body, a window hole extending in the use-side opening direction of the eraser body communicating with the annular cut, and being connected to the use-side opening from the window hole. The eraser with a cover according to claim 1, wherein the eraser has a slit formed in the cover. The cut line extending from the window hole of the cylindrical body to the use side opening is a streamlined cut line, the base end of the streamlined cut line is orthogonal to the guide part forming one side of the window hole, and the other end is the use of the cylindrical body 4. The eraser with cover according to claim 3, wherein the eraser is formed so as to reach any one of the corners forming the side opening. The cylindrical body is provided with a pasting portion to which both sides of the cardboard are pasted, the pasting portion is arranged facing the window hole, and the side cardboard covering the double-formed pasting portion has an annular cut 5. An eraser with a cover according to claim 4, further comprising a substantially triangular cutout communicating with the cover.   The guide part of the cutting means is arranged on one of the ridge lines of an eraser body having a prismatic shape, one end of the guide part is perpendicular to the annular cut, and the other end communicates with a cut formed so as to be connected to the use side opening. An eraser with a cover according to claim 2, wherein the eraser has a cover.

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