JP2007171776A - Linerless label by partial application of adhesive - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a linerless label which obviates sticking of glue to a cutter knife during cutting. <P>SOLUTION: Portions 3 having adhesives and glue-less portions 4 not having the adhesives are formed on the backside 2 of a label base 1 by partially applying the adhesives thereto. Also, the shape of the portions having the adhesives is formed to a rectangular shape 6, a cross stripe shape or an aggregate of dots or a an aggregate of vertical lines. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a label without release paper, a so-called linerless label.

  Linerless labels are widely used as environmentally friendly labels by removing release paper from the labels. In other words, compared to the label with release paper (mounting paper), it can be rolled from 1.3 times to 2 times the length of the roll when it is rolled, so the production efficiency is improved and the number of times the user needs to change the label roll In addition, the use of release paper eliminates the need for disposal costs and contributes to a reduction in environmental burden, thereby reducing energy consumption. In ordinary labels with release paper, the release paper after the label is peeled off is treated as waste, which has the disadvantage of requiring processing costs, and in addition, the sticker (labeler) must be provided with a release paper winding mechanism. There was a problem of cost increase.

  A typical linerless label is shown in FIG. Label printing is performed on the surface b of the base material a in which paper or a plastic film is continuous, and the adhesive d is applied to the entire area of the back surface c and wound into a roll. The label surface is coated with a release agent such as silicon so that the adhesive does not adhere to the label surface.

  The linerless label cutting mechanism employs a cutting method (not shown) using a general razor blade or the like, as well as a method using a hammer cutter as shown in FIG. 7, and a movable blade driven by an air cylinder or the like. In this case, a tape-like label is sandwiched between the fixed blade and the blade.

  Since such a cutting blade abuts on the back side of the label having an adhesive surface and cuts, the glue adheres to the blade part or the glue sticks out or stringing occurs as the cutting is repeated. Therefore, maintenance work such as periodically cleaning the blade is required to prevent troubles. In addition, if trouble occurs during label cutting, the line is temporarily stopped, and the productivity is deteriorated.

The applicant has previously proposed Japanese Patent Application Laid-Open No. 2002-68153, the name of the invention, and a non-separator label affixing device as a linerless label affixing device using a die-cut roller. This proposal was to eliminate the adhesive sticking of the adhesive to the die cutting blade that occurs when the tape-like non-separable label was die cut.
JP 2002-68153 A

  Accordingly, the present invention provides a linerless label in which no glue adheres to the blade portion of the cutter when the linerless label is cut with a continuously operating auto labeler, and the time required for cleaning the cutter is not required. For this reason, the label of the present invention eliminates the problem of adhesive adhesion to the cutter blade by forming a non-adhesive part where the adhesive does not adhere to the label and cutting the part with a cutter. is there.

  The linerless label of the present invention labels the adhesive-free portion and the non-adhesive portion without the adhesive alternately by partially applying the adhesive to the back surface of the label substrate on which the label printing is applied. It is formed continuously in the longitudinal direction.

  Moreover, it is set as the linerless label which apply | coated the adhesive to the label width direction in the rectangular shape, and formed the part with an adhesive.

  Further, the adhesive is applied as an aggregate of dots to form a linerless label in which a portion with the adhesive is formed.

  Further, the adhesive is applied in a horizontal stripe shape aligned in the width direction of the label to form a linerless label in which a portion with the adhesive is formed.

  In addition, the adhesive is applied as an assembly of vertical lines arranged in the width direction of the label to form a linerless label in which a portion with the adhesive is formed.

  According to the linerless label of the present invention, the adhesive-coated portion and the adhesive-free portion without the adhesive are alternately formed, and the position to be cut into a single addressed label is the adhesive-free portion without the adhesive. By doing so, the label which does not cause glue adhesion to a cutter blade can be provided.

Embodiments of the present invention will be described below.
FIG. 1 shows a linerless label according to a first embodiment of the present invention, and a required printing as a label (not shown) is performed on the surface of a label substrate 1 formed of paper or plastic film continuous in the longitudinal direction. A surface is formed, and a pressure-sensitive adhesive 3 is partially applied to the back surface 2, and a portion having a pressure-sensitive adhesive is formed in a rectangular shape 6 in the width direction of the label. Reference numeral 4 denotes an adhesive-free portion without the adhesive 3, which is continuously formed alternately in the longitudinal direction of the label A. Reference numeral 5 virtually indicates a cutting position by the cutter.

  FIG. 2 shows a second embodiment in which the pressure-sensitive adhesive 3 shown in FIG. 1 is applied in a rectangular shape 6 across the width of the label. Note that, in the drawings described below, the same reference numerals are given to portions common to those in FIG. 1, and duplicate descriptions are omitted.

  FIG. 3 shows an example 3 in which the adhesive 3 is applied in a horizontal stripe 7 in the width direction of the label, and FIG. 4 is an example 4 in which the adhesive 3 is partially formed as an aggregate of dots 8. FIG. 5 shows an example in which the pressure-sensitive adhesive 3 was partially applied as an assembly of linear 9 arranged in the width direction of the label in Example 5.

  As the pressure-sensitive adhesive 3, generally used acrylic pressure-sensitive adhesive, hot-melt pressure-sensitive adhesive, and UV pressure-sensitive adhesive are used. In addition, the application method can be selected from appropriate methods such as spraying hot-melt adhesives using general adhesive coating machines and spray nozzles, as well as application by printing methods on flexographic and screen printing machines. it can.

  FIG. 6 shows Example 6 and shows an example in which an eye mark 13 is printed on an adhesive-free portion 4 without an adhesive. When the auto labeler side detecting means detects the eye mark 13 by cutting with a cutter, It is intended to be captured accurately. Although the eye mark is generally used in the label, as shown in FIG. 6, it is not necessary to print on the narrow portion 4 on the narrow portion, but on the left and right ends of the non-glue portion 4 of the label, or one of the ends. It is also possible to print a point-shaped eye mark on the screen.

  Note that the eye mark is not essential, and even if there is no eye mark, if the feed pitch of continuous labels is constant, the cutting position is set in advance, and the sheet is cut to a predetermined label length. In addition, the labeler can arbitrarily detect the label length and set the cutting position.

  The cutting mechanism may employ a hammer cutter mechanism as shown in FIGS. 7A and 7B in addition to a general razor blade cutter (not shown), and the continuous label A is an auto labeler (not shown). ) Through the fixed blade 10 and the movable blade 11, the movable blade 11 abuts the surface of the fixed blade 10 by an appropriate drive mechanism, and the blade body 12 is positioned in the width direction of the label at the position 4 of the non-glue portion of the label A. The label Aa is addressed to one sheet. The label Aa is attached to the work by a separate attaching mechanism.

It is a front view which shows the linerless label which concerns on Example 1 of this invention. It is a front view for demonstrating Example 2 which applied the adhesive to the label width fully. It is a front view for demonstrating Example 3 which apply | coated the adhesive in the shape of a horizontal stripe. It is a front view for demonstrating Example 4 which apply | coated the adhesive to the dot form. It is a front view for demonstrating Example 5 which apply | coated the adhesive in the shape of a vertical line. It is a front view for demonstrating Example 6 which printed the eye mark on the pasteless part. It is explanatory drawing of the hammer cutter which cut | disconnects a linerless label. It is a perspective view of the conventional linerless label.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Label base material 2 Label back surface 3 Partial glue 4 Glueless part 6 Part with rectangular adhesive 7 Part with horizontal stripe-like adhesive 8 Part with adhesive as an aggregate of dots 9 Vertical line-like aggregate As part of the adhesive

Claims (5)

  It is a tape-like label without release paper, and a part with adhesive and an adhesive-free part without adhesive are applied by partially applying the adhesive to the back of the label base material with label printing on the surface. A linerless label formed by application of a pressure-sensitive adhesive part, which is formed alternately and continuously in the longitudinal direction of the label.   2. The linerless label according to claim 1, wherein the pressure-sensitive adhesive is formed in a rectangular shape in the width direction of the label to form a portion with the pressure-sensitive adhesive.   2. The linerless label according to claim 1, wherein the pressure-sensitive adhesive is applied in a horizontal stripe shape in the width direction of the label to form a portion with the pressure-sensitive adhesive.   2. The linerless label according to claim 1, wherein the adhesive is applied as an aggregate of dots to form a portion with the adhesive.   2. The linerless label according to claim 1, wherein the pressure-sensitive adhesive is applied as a linear aggregate arranged in the label width direction to form a portion with the pressure-sensitive adhesive.

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