JP3061916U - Adhesive tape - Google Patents

Abstract

(57) [Problem] To provide an adhesive tape having a structure in which a sufficient amount is secured as a regular item in an environment where the amount of use is small, such as at home, and which is sufficiently portable or displayed. SOLUTION: A tape 1 having a fixed width with an adhesive surface facing inward.
Is wound a plurality of times and has a non-adhesive surface on the exposed surface facing the inner space 2, and a flat core portion removably inserted into the inner space 2. 4. An adhesive tape composed of

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to an adhesive tape having a pressure-sensitive adhesive adhered to one surface.

[0002]

[Prior art]

 Conventionally, so-called pressure-sensitive adhesive tapes having a pressure-sensitive adhesive adhered to one side have been widely used in applications requiring relatively strong adhesiveness, such as for sealing cardboard boxes. This kind of adhesive tape generally uses a cylindrical paper tube having a diameter of about 75 to 100 mmφ or a small diameter cylindrical paper tube having a diameter of about 25 to 40 mmφ as a core material, and has a length of about 5 to 20 m. Many have the main body wound.

[0003]

[Problems to be solved by the invention]

 An adhesive tape using a cylindrical paper tube occupies a large area in, for example, a bag or the like to be carried on a trip, or on a display shelf at a store, and thus hinders the arrangement of other articles. Even if the short adhesive tape body is wound for use in homes, schools, offices, and travel destinations where usage per unit is considered to be small, to prevent spiral deformation of the tape after peeling, Considering the setting of the diameter, it is inevitable that the size of the core material increases the waste in space.

[0004] Among them, a flat type adhesive tape in which an adhesive tape is wound on a flat plate made of paper, synthetic resin, or the like and a core material having an elliptical cross section is also sold, and it is more compact than a cylindrical type. When peeling the adhesive tape body during use, the difference in peel resistance between the short diameter part and the long diameter part is large, and the rotation of the core material accompanying the peeling of the adhesive tape body is complicated, making it difficult to hold. Many say it is difficult to use.

[0005] The present invention has been made in view of the above-mentioned circumstances, and a sufficient amount is provided as a regular item in an environment where the amount of use is small, such as at home, and the convenience of carrying or displaying is sufficiently achieved. The purpose is to provide an adhesive tape having a structured structure.

[0006]

[Means for Solving the Problems]

 The pressure-sensitive adhesive tape according to the present invention, which has been developed to solve the above-mentioned problem, has a tape of a fixed width wound a plurality of times with the adhesive surface facing inward, and the surface exposed facing the inner space is a non-stick surface. And a flat core that is removably inserted into the inner space.

The pressure-sensitive adhesive surface is a surface to which a pressure-sensitive adhesive is adhered, the inside refers to a side facing the center of a ring formed by winding a tape, and the inner space refers to the above-described space. The space that exists inside the ring. The non-adhesive surface refers to a surface on which the pressure-sensitive adhesive has not been applied or the surface on which the adhesive has been applied loses its adhesiveness by, for example, coating a sheet.

The shape of the core portion is desirably a rectangular shape which can support and hold the non-adhesive surface evenly from the inner space of the tape portion, and chamfers at four corners thereof for convenience of fitting and removal. Or a curved chamfer having a radius about the width of the core at one end of the support side of the core, or a side edge of the tape portion at one end of the core. There may be a case where a hook portion is formed.

[0009]

[Embodiment of the invention]

 Hereinafter, embodiments of the adhesive tape according to the present invention will be described with reference to the drawings. The adhesive tape shown in FIGS. 1 to 3 is a tape in which a tape 1 having a fixed width is wound a plurality of times with the adhesive surface facing inward, and the surface exposed to the inner space 2 is a non-adhesive surface. It is composed of a portion 3 and a flat core portion 4 that is removably inserted into the inner space portion 2.

As shown in FIG. 4, a pressure-sensitive adhesive tape constituting the tape portion 3 includes a woven fabric layer 10 woven with flat yarns 9 in the course, and an adhesion layer 11 formed by laminating a thermoplastic resin on the front and back surfaces. And a pressure-sensitive adhesive layer 12 made of a pressure-sensitive adhesive applied to the surface of the adhered layer 11 formed on the back surface. FIG. 1 shows a plain weave fabric layer 10 for imparting good hand-cutting properties, but the weave structure is not limited to plain weave, and other weaves may be employed. Alternatively, an adhesive may be applied to a synthetic resin film sheet without using a woven fabric, and the film sheet may be wound in an annular shape. The inner surface of the tape portion 3 is a non-adhesive surface, for example, because a non-shape retaining film sheet made of the same material as the adhesive tape is applied.

The core portion 4 is made of the same material as the tape portion 3, so that the core portion 4 becomes more practical, for example, there is no need to separate the material at the time of recycling. It may be formed using a synthetic resin such as polyethylene terephthalate that can be reused from used bottles. When maintaining the tape portion 3 in a flat state, the core portion 4 moves from the inner space 2 which is the center of the tape portion 3 to the widened side of the non-adhesive surface which is the inner surface of the tape portion 3. Any shape capable of supporting the two sides and maintaining the state can be used. It is most preferable to select a rectangle capable of supporting the two sides over the entire width as shown in FIG. As described above, even a shape that partially supports each of the two sides can withstand practical use.

In order to facilitate the insertion / removal, the support side 6 of the core portion 4 is formed into a tapered shape as shown in FIG. 1 so as to facilitate linear insertion, or as shown in FIG. It is possible to form chamfers 5 at the four corners, and as shown in FIG. 3C, a curved shape having a radius approximately equal to the width W of the core 4 at one end of the supporting side 6 of the core 4. By providing the chamfered portion 7, it is possible to adopt a structure that can be extremely easily fitted and detached by swinging about the one end P of the support side 6 on the opposite side as a fulcrum. Further, as shown in FIGS. 3 (b) and 3 (c), it is also desirable to provide a hook 8 at one end of the core 4 for hooking on the side edge of the tape 3 as a clue for such a fitting operation. One.

When the core material 4 is removed, the adhesive tape configured as described above is deformed by itself and stays in an arbitrary state approaching a perfect circle. Therefore, in use, the core portion 4 is removed as shown in FIG. It can be used in a swollen form in any state approaching a perfect circle. At this time, a finger is inserted into the inner space 2 of the tape portion 3 to release the wound tape 1 while holding the tape portion 3, but the inner surface of the tape portion 3 has a non-adhesive surface. Therefore, it goes without saying that the adhesive does not stick to the finger, and when the adhesive tape is peeled off, there is a large difference in peeling resistance between the short diameter part and the long diameter part, and the tape part accompanying the peeling of the adhesive tape The problem of complicated rotation of 3 is solved, and it can be used very easily and comfortably.

[0014]

[Effect of the invention]

 As described above, the use of the adhesive tape according to the present invention not only secures a sufficient amount as a permanent item in an environment where the amount of use is small, such as at home or when traveling, and also allows a portable or display device to be stored or stored due to its flat shape during storage. For convenience, it can be configured as a toy with a cartoon character design on the core, or a brushed abdomen on the abdomen with a thin function of supporting the inner surface of the tape part of the core surface. If it has a function as a household accessory such as a brush, it can be expected that the adhesive tape will be more closely adhered to daily life in combination with the good workability.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing an embodiment of the present invention when storing an adhesive tape.

FIG. 2 is a side cross-sectional view showing one embodiment when the adhesive tape according to the present invention is used.

FIGS. 3 (a), 3 (b) and 3 (c) are explanatory views showing a longitudinal cross-sectional shape of the tape portion and a side surface shape of the core portion showing one mode when the pressure-sensitive adhesive tape according to the present invention is stored.

FIG. 4 is an enlarged sectional view showing an example of a tape constituting a tape section.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tape 2 Internal space 3 Tape part 4 Core part 5 Chamfer part 6 Support side 7 Chamfer part 8 Hook part

Claims (4)

[Utility model registration claims] 1. A tape section having a tape (1) having a predetermined width wound a plurality of times with an adhesive surface facing inward and having a non-adhesive surface exposed on its inner surface (2). 3) and a flat core portion (4) that is removably inserted into the inner space portion (2). 2. The adhesive tape according to claim 1, wherein the core (4) is formed in a rectangular shape, and chamfers (5) are formed at four corners thereof. 3. A curved chamfer (7) having a radius approximately equal to the width (W) of the core (4) is provided at one end of a support side (6) of the core (4). 2. The adhesive tape according to 2. 4. The pressure-sensitive adhesive tape according to claim 1, wherein a hook (8) is provided at one end of the core (4) so as to hang on a side edge of the tape (3).