JPH0742766Y2 - Coreless roll paper - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to coreless roll paper for various recording devices.

[Prior Art] In recent years, various OA devices that use roll paper for recording, such as computers, registration machines, accounting machines, POS terminal machines, cash dispenser output machines, facsimiles, word processors, etc., have been remarkably spread. Therefore, the demand for roll paper has increased remarkably.

The roll paper includes one wound around a paper or plastic core and a coreless roll paper wound without using such a core. Among them, the coreless roll paper is a roll. Compared to a roll paper that uses a core, even if the core diameter is the same, the winding length can be increased by not using the core, and resource consumption can be achieved because the core is not consumed. Moreover, since it has many advantages such as easy handling because it is not necessary to consider discarding the core, recently, there is an increasing number of cases where coreless roll paper is used instead of roll paper having a core. ing. Especially for small office equipment such as handy terminal printers, lengthening roll paper is very effective.

On the other hand, a system that requires continuous automatic feeding of roll paper
As it was developed in the CD field, it became necessary to make roll paper coreless. The coreless roll paper in this case is different from the ones used for small office equipment up to now.
The roll width and roll length are long, and the outer diameter is also increased by increasing the inner diameter of the hollow part to prevent curling. It has a problem of loose winding. That is, even with a roll paper that is sufficiently tightly wound by a slitter or a winder, loosening of the paper occurs in the hollow part of the roll paper with the passage of time, and the entire roll loosens, and the pressure from the outside (external pressure) makes it easy. It will be deformed. In particular, this tendency becomes more pronounced as the inner diameter of the hollow portion becomes larger, and the deformation may make it difficult to use not only in handling during box packing and transportation but also as an important problem to be solved.

On the other hand, for roll paper that uses a core,
In Japanese Patent No. 53-49624, it is disclosed to prevent the slack of the roll paper by applying glue to the side surface of the roll paper main body, but in the coreless roll paper, while preventing the above-mentioned loose winding, In particular, it is important to improve the peelability between the layers of the roll paper so that the roll paper can easily come out from the equipment in which the roll paper is attached to the end of the portion very close to the center. When the above disclosed technology for roll paper is applied to coreless roll paper, when the center part of the roll paper remains slightly and the weight becomes lighter, peeling between layers of the roll paper at the center part is not smooth. Therefore, there are problems that the device malfunctions and a part of the roll paper is broken.

[Problems to be Solved by the Invention] An object of the present invention is to prevent peeling between layers of roll paper in a portion very close to the center while preventing economical loosening. It is an object of the present invention to provide a coreless roll paper in which the roll paper can be easily pulled out from the equipment in which it is mounted to the end, and that can be achieved by a simple structure.

[Means for Solving the Problems] In order to solve the above problems, the present invention provides a coreless roll paper in which a small amount of glue is applied to the side surface of the roll paper body without using a core. Characterized in that the roll paper main body is fixed in a rolled state except for the vicinity of the central portion by applying glue in a linear shape so as to cross the side surface at a position slightly deviated from the central portion. Is.

[Operation] The roll paper is fixed in a rolled state by the adhesive applied to the side surface except for the portion very close to the center portion, so that it is possible to prevent loosening over time as a whole, In the portion very close to the portion, since the layers of the roll paper are not fixed to each other, the peeling is smoothly performed. Therefore, the roll paper can be easily pulled out from the device mounted with the roll paper to the end.

In addition, the roll paper that operates as described above can be obtained by a simple structure in which the glue is applied in a linear shape so as to cross the side surface at a position slightly deviated from the center of the roll paper main body.

Embodiments Embodiments of the present invention will be described in detail below with reference to the drawings.

In the embodiment shown in FIG. 1, reference numeral 1 denotes a roll paper main body wound by a slitter, a winder or the like without using a core, and both side surfaces 1a, 1a of the roll paper main body 1 are hollow. A small amount of glue 3 is applied in a linear shape so that it crosses the side surface at a position slightly apart from the portion 2, and the small amount of glue 3 in this linear shape allows the paper to easily peel off when the roll paper is used. The roll paper main body is fixed in a rolled state except for the central portion of the roll paper in a state where it does not interfere with the feeding, and the loosening phenomenon in which the winding loosens as a whole as a whole is prevented. .

In this case, the adhesive 3 may be applied to both side surfaces 1a, 1a of the roll paper body 1 in the same direction, but in order to ensure the peeling of the paper during use, the adhesive 3 is applied in different directions as shown in the figure. By doing so, it is desirable that the resistance at the time of peeling be dispersed between the side surfaces 1a, 1a.

Also, the preferable coating width a of the paste 3 that can obtain the appropriate adhesiveness and peeling property of the paper at the same time is about 1 mm, but depending on the kind of the paste, it should be wider (about 2-3 mm). Also possible, for example, Cemedine Bond CH18 for woodworking
30% water in (brand name) (40% vinyl acetate resin, 60% water)
(Weight ratio) In the experiment using the additionally adjusted paste, it was found that the desired effect can be obtained even when the coating width is about 3 mm.

In the above-mentioned embodiment, the glue 3 is linearly applied on both side surfaces 1a, 1a of the roll paper body 1 so as to cross the side surface 1a at a position slightly apart from the hollow portion 2. When applied, it is fixed in a wound state except for the part very close to the center part, so while preventing gradual loosening over time overall, at the part very close to the center part, there is a gap between the layers of the roll paper. Since the fixing is not carried out, when the roll paper becomes small in diameter and light in weight by use, peeling between layers of the roll paper is smoothly performed. Therefore, the roll paper can be easily pulled out from the device mounted with the roll paper to the end.

In addition, the roll paper that operates as described above can be obtained by a simple structure in which the glue 3 is applied in a linear shape so as to cross the side surface at a position slightly deviated from the center of the roll paper body 1. .

As the coreless roll paper, general high-quality paper such as cash register roll paper, heat-sensitive paper used for heat-sensitive FAX, and other types of special paper, such as roll paper, are targeted.
There is no particular limitation on the type of glue used,
Depending on the type of roll paper and the equipment that uses the roll paper,
It is necessary that the glue has chemical and physical properties that do not hinder its use.

In the above embodiment, the case where the adhesive is applied to both side surfaces of the roll paper main body is shown, but it is also possible to apply the adhesive in a desired pattern on only one of the side surfaces.

Further, the adhesive coating width does not have to be constant as a whole and can be partially changed. For example, by narrowing the coating width toward the center of the roll paper main body,
It is possible to solve the problem of paper peelability when the roll paper has a small diameter and is lightweight.

[Effects of the Invention] As described above, according to the present invention, since the roll paper is fixed in the wound state by the adhesive applied to the side surface except for the portion very close to the center, the rolled paper is gradually wound over time. While preventing the occurrence of liquefaction, the peeling is performed smoothly at the portion very close to the center because the layers of the roll paper are not fixed together.
Therefore, the roll paper can be easily pulled out from the device mounted with the roll paper to the end.

Moreover, the roll paper as described above can be obtained by a simple structure in which the glue is applied in a linear shape so as to cross the side surface at a position slightly deviated from the center of the roll paper body.

Therefore, due to the increasing use of coreless roll paper in various OA equipment, not only in small equipment but also in medium to large equipment, shafts are used due to the structure of equipment. The coreless roll paper can be used without any problem as long as there is no problem. In addition, for example, it is possible to continuously and automatically feed roll paper in the equipment. In the demand field where a large amount of production such as FAX paper is produced and consumed, it is possible to reduce material costs and improve productivity. Can be expected to develop.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention. 1 ... Roll paper main body, 1a ... side surface, 2 ... hollow part, 3 ...
…paste.

Claims (1)

[Scope of utility model registration request] 1. A coreless roll paper in which a small amount of glue is applied to the side surface of a roll paper body without using a core, and one roll is provided so as to cross the side surface at a position slightly deviated from the center of the roll paper body. The coreless roll paper is characterized in that the roll paper main body is fixed in a wound state except for the vicinity of the central portion thereof by applying glue in a linear shape.