JPH06230727A - Label sheet and its production - Google Patents

Abstract

PURPOSE:To prevent swelling out of tacky adhesive from the ends of the label sheet formed by coating the tacky adhesive provided n the rear surface of a label base material forming label pieces on it with a release paper. CONSTITUTION:One-side end of the label sheet 1 formed by coating the tacky adhesive 3 provided on the rear surface of the label base material 2 forming label pieces 5 on it with the release paper 4 is pressed by a pair of upper and lower pressing roller 10a, 10b to swell out the tacky adhesive 3. The end party side is then cut away from the proper point of the pressed part 9 by a pair of upper and lower slitters 11a, 11b. The tacky adhesive 3 at the end is previously pushed out and cut away together with the label base material 2 and the release paper 4 and, therefore, the swelling out of the tacky adhesive 3 does not arise even if the pressing force is applied to the label sheet by transfer rollers and a printer head when the label sheet is set in the printer. An adequate printing operation is thus possible. There is no possibility that the tacky adhesive 3 is swollen out by the pressing force generated by sheet's own weight even when the label sheets are stored being stuck.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a label sheet,
In particular, the present invention relates to a label sheet in which an adhesive provided on the back surface of a label base material is covered with a release paper, and a method for producing the label sheet.

[0002]

2. Description of the Related Art Conventionally, label sheets of this type have been known, but they are pressed by a transfer roller when applied to a printer, a pressing force when toner is fixed in the printer, or a self-weight when stored in a piled state. Due to the pressure, the pressure-sensitive adhesive sticks out from the ends, and the internal mechanism is soiled, dust and the like adhere to the sticking-out pressure-sensitive adhesive, and the upper and lower sheets adhere to each other.

In order to eliminate these disadvantages, adhesive paper (see Japanese Patent Publication No. 1-53793) in which a slit portion having no adhesive layer is formed at the end portion which penetrates into the image forming apparatus and side portions are already used. An adhesive sheet in which the side edges of the adhesive layer left behind are trimmed with a highly cohesive adhesive (Jitsukai 51-96).
No. 050) is proposed.

[0004]

However, according to these improvements, the step due to the slit portion and the unbonded portion where the pressure-sensitive adhesive layer does not exist on the side portion are formed.
Inferior in printability, and easy to carelessly peel off from unbonded part when in sheet form or when bonding to other members.
That causes a new inconvenience. It is an object of the present invention to provide a label sheet and a method of making the label sheet that eliminate these disadvantages.

[0005]

In order to achieve the above-mentioned object, the label sheet of the present invention is a label sheet obtained by coating an adhesive provided on the back surface of a label substrate with release paper. At least one end portion is pressed, and the end portion side is cut and removed from an appropriate position of this pressed portion.

[0006] Further, the preparation method is such that at least one end portion of a label sheet obtained by coating an adhesive provided on the back surface of a label base material with a release paper is pressed by using, for example, a pair of upper and lower pressing rollers to form an adhesive. Is protruded from the end portion side, and the end portion side is cut and removed from an appropriate position of the pressing portion using, for example, a pair of upper and lower slitters.

[0007]

[Operation] By pressing at least one end of the label sheet,
Since the adhesive is extruded in advance and this protruding portion is cut and removed together with the label base material and release paper,
There is no fear that the adhesive will newly squeeze out when it is applied to the printer or protected by deposition.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings. Here, FIG. 1 is a schematic perspective view showing a pressed state of the label sheet in a continuous state showing the first embodiment, FIG. 2 is a schematic enlarged sectional view of the same pressed portion, and FIG. FIG. 4 is a schematic enlarged cross-sectional view of the state in which the end portion side is cut and removed, FIG. 4 is a process diagram showing the process of producing the label sheet, and FIG. is there.

First, a first embodiment will be described with reference to FIGS. As can be understood from FIGS. 1 to 3, the label sheet 1 has a pressure sensitive adhesive 3 provided on the back side of a label substrate 2 covered with a release paper 4, and a label piece 5 is formed on the label substrate 2. A large number of marginal punches 6 are punched at equal intervals on both side ends thereof, while folding and cutting perforations 8 are formed at predetermined intervals in the longitudinal direction so as to be divided into unit sheets 7.
Is provided.

The label base material 2 and the release paper 4 may be appropriately selected and used from commonly used high-quality paper, art paper, coated paper, kraft paper and the like according to the application.
The pressure-sensitive adhesive 3 may also be a commonly used one, and examples thereof include natural rubber latex, synthetic rubber latex, acrylic resin emulsion, acrylic ester copolymer and the like.

As shown in FIG. 4, the label sheet 1 in the continuous state is transported in the direction of the arrow in FIG.
The label pieces 5 are stamped and formed on the label base material 2, then the marginal punches 9 are transparently provided at both ends in the width direction at equal intervals, and the perforation / cutting perforations 8 are provided at equal intervals. To be done. Further subsequently, as shown in FIG. 1, one edge of the marginal punch 6 has a pair of upper and lower pressing rollers 10a, 10a.
The adhesive 3 is pushed by b, thereby causing the adhesive 3 to protrude from the side end portion (see FIG. 2), and then from the proper position of the pressing portion 9 (the position of the phantom line in FIG. 2), the end portion side is a pair of upper and lower slitters. It was created by cutting and removing by 11a and 11b (see FIG. 3). The cutting position may be a position included in the pressing portion 9.

The above-mentioned pair of upper and lower rollers 10a, 10b
Is a pressing surface whose peripheral surface extends parallel to the rotation axis,
It is possible to use one that extends in an arc shape in which the pressing area is small but the pressing force is high.

In the label sheet 1 of this embodiment, the pressure sensitive adhesive 3 at the end portion is extruded in advance and cut and removed together with the label base material 2 and the release paper 4, so that the label piece 5 is cut in the continuous state shown in FIG. When the desired information is printed on the printer, even if pressure is applied by the transfer roller or the printer head, the adhesive 3 does not further squeeze out, and a suitable printing operation is performed. Further, even if the sheet is cut into individual unit sheets 7 and then accumulated and stored, there is no possibility that the pressure-sensitive adhesive 3 will squeeze out due to the pressing force of its own weight.

Next, a second embodiment will be described with reference to FIG. The label sheet 21 of the present embodiment is different from that of the first embodiment in that it is in a single piece state formed in a unit sheet state, and a label piece 25 is sectioned and formed by a slit 26 provided in a label base material 22. And the adhesive 23 and the release paper 24
Are the same as those in the first embodiment, and therefore their explanations are omitted.

Also in this embodiment, the label sheet 21 is initially in a continuous state, and first, the slit 26 is provided in the label base material 22 while being transported in a predetermined direction, and the label piece 2 is provided.
5 is formed, and then perforation for cutting (not shown) which divides into a unit sheet is engraved. Then, press the pair of both ends to cut and remove the outer part from the appropriate place,
The piece is cut into a single piece, the transfer direction is changed to a right angle, and the remaining pair of both side end portions are pressed to cut and remove the outer portion from the appropriate position. In this way, it is possible to prepare the label sheet 21 in which the pressing portions are provided around the four sides and the outer portion is cut and removed from the appropriate places. The operation of this embodiment is similar to that of the first embodiment, but since the pressing portions are provided in the four periphery, there is an advantage that the adhesive 23 is less likely to stick out.

The present invention is not limited to the above-described embodiments, and the pressing portions 9 in the first embodiment may be provided at a pair of both ends, for example. Also,
The pressing portion in the second embodiment is one of the label sheets 21.
It may be provided around 3. As described above, the end portion where the pressing portion 9 is provided is one side edge or both side edges in the continuous label sheet 1, and 1 to 4 in the single piece label sheet 21.
It is the surrounding area.

[0018]

As is apparent from the above description,
ADVANTAGE OF THE INVENTION According to this invention, the deterioration of printing suitability by forming the level difference by a slit part and the non-adhesive part in which a pressure sensitive adhesive layer does not exist in a side part is eliminated, and also in a sheet state and adhesion to other members. In addition to eliminating the unintentional peeling from the unadhered portion at the time, since at least one end of the label sheet is pressed to cause the adhesive to protrude in advance, this protruding portion is cut and removed from the proper position of the pressing portion,
When applied to a printer later or protected by accumulation, there is no fear that the adhesive will newly squeeze out, the printer suitability is improved, storage management is facilitated, and its production is also easy.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing a pressed state of a label sheet in a continuous state showing a first embodiment.

FIG. 2 is a schematic enlarged sectional view of a pressing portion.

FIG. 3 is a schematic enlarged cross-sectional view of a state where the end portion side of the pressing portion is also cut and removed.

FIG. 4 is a process diagram showing a process of producing the label sheet.

FIG. 5 is a perspective view of a label sheet in a single piece state showing a second embodiment.

[Explanation of symbols]

 1,21 Label sheet 2,22 Label base material 3,23 Adhesive 4,24 Release paper 5,25 Label piece 7 Unit sheet 9 Pressing part 10a, 10b Pressing roller 11a, 11b Slitter 26 Slit

Claims (2)

[Claims] 1. A label sheet comprising an adhesive provided on the back surface of a label base material and coated with a release paper, at least one end of the label sheet is pressed, and the end side is cut and removed from an appropriate position of the pressed portion. A label sheet that is characterized. 2. A label sheet obtained by coating an adhesive provided on the back surface of a label base material with a release paper so as to press at least one end of the label sheet so that the adhesive is extruded from the end, and the pressed portion is placed at an appropriate position. A method for producing a label sheet, which comprises cutting and removing the end side from the label sheet.