JP5697005B2 - Label - Google Patents

Description

  The present invention relates to a labeler that attaches a label to the outer peripheral surface of a container, and more particularly to a labeler that is characterized by the structure of a gluing means that applies glue to the back surface of the label.

  Various configurations for applying glue to the back side of a label attached to the outer peripheral surface of a container have been conventionally proposed (for example, see Patent Document 1 or Patent Document 2). A labeler is disclosed as an example of a “viscous fluid transfer device” according to the invention described in Patent Document 1. The labeler includes a gluing roller for attaching glue to the label, a turntable disposed adjacent to the gluing roller, a plurality of pallets disposed at equiangular intervals on the outer periphery of the turntable, and each pallet. A label magazine that supplies labels one by one, a turntable disposed downstream of the label magazine, and a gripper that is disposed at equal angular intervals on the outer periphery of the turntable to receive labels from the pallet. ing.

  In this labeler, glue is attached to the outer peripheral surface of the gluing roller to form a film having a predetermined thickness. After the film is formed on the outer peripheral surface of the gluing roller, the pallet rotates and contacts the outer peripheral surface of the gluing roller as the turntable including the gluing roller and the pallet rotates. Be transferred. When the pallet to which the glue has been transferred reaches the contact position with the label magazine as the turntable rotates, the labels are fed out one by one from the label magazine and attached to the pallet surface. When this pallet further reaches the contact position with the gripper as the turntable rotates, the label attached to the pallet is adsorbed to the gripper with the back surface to which the glue has been transferred facing up. This label is then affixed to the outer peripheral surface of the bottle by being brought into rotational contact with the bottle.

In the “method for attaching a label to a glass bottle” according to the invention described in Patent Document 2, a long label fed out is cut by a cutter to become a blank, and the blank moves while being sucked by a vacuum drum. The blank (cut label) is spray-coated with a hot melt agent from a hot melt gun in the next step. On the other hand, the glass bottles sent by the conveyor are moved by a star-shaped wheel at a predetermined interval, and are brought into contact with the label to be attached.
Japanese Patent Laid-Open No. 11-189228 (page 4-5, FIG. 1) Japanese Patent Laid-Open No. 3-200353 (page 3, FIG. 1)

  The configuration of the invention described in Patent Document 1 has a problem that the amount of paste applied to the back surface of the label is difficult to be uniform. Further, it is difficult to make the temperature uniform in all the portions of the roller, and a high temperature portion and a low temperature portion are generated. In such a case, if the temperature control is performed based on the low temperature portion, there is a problem that the glue may be burnt in the high temperature portion.

  In the configuration of the invention described in Patent Document 2, since the hot melt agent is sprayed from a remote position by a hot melt gun, hot melt stringing occurs depending on the type of glue, the capability of the apparatus, and the like. There is a case. When stringing occurs in this way, the apparatus main body and the label itself may be soiled, which is not preferable. There is also a problem that the amount applied to the label is not stable. Furthermore, dripping from the hot melt gun also occurs.

  The present invention has been made in order to solve the above-mentioned problems, and can apply the paste uniformly to the back surface of the label, and the discharged paste does not cause stringing and does not contaminate the surroundings. The purpose is to provide a labeler.

The present invention has a transfer drum provided with a holding portion on the outer periphery for holding the label by suction, a rotating means for rotating the transfer drum, and a discharge port for discharging glue, and the label held by the holding portion. In the labeler for applying the glue to a predetermined position of the label and attaching it to the container, the holding portion is constituted by an elastic body protruding outward from the outer peripheral surface of the transfer drum. In addition, the width of the holding unit in the rotation direction of the transfer drum is made larger than the width of applying the glue by the glue applying unit, and the holder is held by the holding unit when the glue is applied to the label by the glue applying unit. by discharging the glue being in contact with the discharge port to the label being, by discharge pressure of glue discharged by retracting the holding portion is held by the holding portion and the discharge port label Together with causing a gap to apply the glue between, even after the application of glue required width with respect to the label is completed, by continuing to abut the ejection port to the label was coated with glue The adhesive remaining at the rear discharge port is wiped off with a label.

  Further, the invention described in claim 2 is characterized in that the holding portions are provided at least at two positions in the front and rear directions in the label transfer direction.

  In the labeler of the present invention, the discharge port of the glue applying means is brought into contact with the label held by the holding part of the transfer drum, so that the glue can be uniformly applied to the label and stringing occurs. There is no risk of contaminating the device body or label. Furthermore, the occurrence of dripping from the paste applying means can be prevented.

  A labeler that holds a label on a holding part provided on the outer periphery of a transfer drum rotated by a rotating means, and applies the glue to the label from the discharge port of the glue applying means and attaches the label to the container. In addition to preventing the occurrence of glue stringing and dripping, the structure is made up of the body, and when the glue is applied to the label held by the holding portion, the discharge port contacts the label. Realizes the problem of applying glue evenly.

  Hereinafter, the present invention will be described with reference to embodiments shown in the drawings. FIG. 1 is a plan view schematically showing the entire structure of a labeler according to an embodiment of the present invention, FIG. 2 is a longitudinal sectional view showing a label transfer drum and glue applying means provided on the labeler, and FIG. FIG. 4 is a perspective view of the hot melt coating head of the glue applying means. FIG.

  The overall configuration of the labeler will be briefly described with reference to FIG. A strip-shaped label 2 having a predetermined width is wound in a roll shape and supported by a roll stand (not shown). The strip-shaped label 2 is pulled out and sent to a cutter 6 through a plurality of rollers 4. A label 2A (see FIG. 3) cut to a predetermined length by a cutter 6 including a pair of rotating bodies 6A and 6B is delivered to a label transfer drum 10 via a delivery drum 8. The transfer drum 10 is provided with a plurality (four locations in this embodiment) of label holding portions 12 on the outer peripheral surface at equal intervals in the circumferential direction, and each label holding portion 12 holds a label 2A one by one. And rotate and transport. A glue applying means 14 is installed outside the label conveyance path on the downstream side of the transfer drum 10 from the label transfer position A from the transfer drum 8. The glue discharged from the glue applying means 14 is applied to the label 2 </ b> A held on the holding part 12 of the transfer drum 10. The label 2A to which the glue is applied is attached to the outer peripheral surface of the container 18 that has been conveyed by the container conveying device 16 at the label attaching position B.

  On the other hand, the container 18 to which the label 2 </ b> A is affixed is conveyed by the supply conveyor 20, separated at a predetermined interval by the infeed screw 22, and delivered to the inlet star wheel 24. The inlet star wheel 24 rotates and conveys the received container 18 and supplies the container 18 to the rotary container conveying device 16. The rotating body 26 of the container transport device 16 is provided with a large number of container bases 26a on the outer periphery thereof at equal intervals in the circumferential direction, and the container 18 placed on the container base 26a is provided by a container holding means (not shown). It is held and rotated and conveyed. The container transport device 16 is operated in synchronism with the label transfer drum 10, and each container 18 being transported receives the label 2 </ b> A held on each label holding portion 12 of the transfer drum 10 at the label attaching position B. It is pasted. The container 18 with the label 2A attached is rotated and conveyed by the container conveying device 16, delivered to the outlet star wheel 28, discharged onto the discharge conveyor 30, and sent to the next step.

  Next, the configuration of the transfer drum 10 and the glue applying means 14 for applying glue to the label 2A held on the transfer drum 10 will be described. The transfer drum 10 is rotatably installed on the base plate 32. A support cylinder 34 is fixed through the base plate 32 in the vertical direction, and an upright rotating shaft 40 is rotatably supported via upper and lower ball bearings 36 and 38 held in the support cylinder 34. A cylindrical member 42 is fitted to the upper outer peripheral surface of the rotating shaft 40 extending above the support cylinder 34. The cylindrical member 42 is connected to the outer surface of the rotating shaft 40 by connecting means such as a key, and rotates integrally with the rotating shaft 40 and can be moved up and down relatively to adjust the height. Yes. Further, a cylindrical cover 44 is fixed to the outer periphery of the cylindrical member 42 and rotates integrally with the rotary shaft 40 and the cylindrical member 42.

  A circular plate 46 (hereinafter referred to as a fixed plate) that is horizontally fixed via a support column (not shown) is disposed at substantially the same height as the lower end portion of the cylindrical member 42. A ball bearing 48 is disposed between the outer periphery of the lower end portion of the cylindrical member 42 and the inner peripheral surface of the fixed plate 46, and supports the rotation of the cylindrical member 42 that rotates together with the rotary shaft 40. An annular sliding member 50 is fixed to the outer peripheral portion of the upper surface of the fixed plate 46. The fixed plate 46 and the sliding member 50 are formed with a fixed-side vacuum passage which will be described later.

  A flange 44a is formed at the lower end of the cylindrical cover 44 fixed to the upper outer periphery of the rotating shaft 40, and a circular rotating plate 52 is fixed to the lower surface of the flange 44a. The rotating plate 52 slides on the upper surface of the annular sliding member 50 when rotating. The transfer drum 10 that holds and rotates the label 2 </ b> A is attached to the outer periphery of the rotary plate 52. When the rotary plate 52 is rotated by the rotation of the rotary shaft 40, the transfer drum 10 is integrated with the rotary plate 52. Rotate. The rotating shaft 40 is connected to rotating means (not shown) below the base plate 32 and is driven to rotate.

  The transfer drum 10 has an annular bottom surface 10a and a cylindrical wall surface (cylindrical portion) 10b raised on the outer periphery of the bottom surface 10a. A plurality of label holding portions 12 are formed on the outer surface of the cylindrical portion 10 b of the transfer drum 10. In this embodiment, four label holding portions 12 are formed on the outer peripheral surface of the cylindrical portion 10b at equal intervals in the circumferential direction. Each label holding unit 12 sucks and holds two places in the front and rear directions in the conveyance direction of the label 2A, and has two protruding portions 12a and 12b, respectively. The protrusion 12a shown on the left side of the transfer drum 10 in FIG. 3 is a protrusion on the front side in the rotational direction of the drum 10 of the one holding part 12 that holds the single label 2A by suction. The protrusion 12b shown is a protrusion on the rear side of the holding part 12 in the drum rotation direction. Note that FIG. 3 shows a protruding portion 12b on the rear side of one label holding portion 12 and a protruding portion 12a on the front side of another label holding portion 12 positioned on the rear side in the rotational direction.

  The front side protruding portion 12a of the label holding portion 12 has a substantially trapezoidal shape when viewed from above. That is, the length of the upper surface side of the portion protruding from the outer peripheral surface of the transfer drum 10 is shorter than the bottom surface side (the outer peripheral surface side of the transfer drum 10), and both side surfaces connecting the bottom surface and the upper surface are inclined surfaces. ing. Further, the upper surface has an arc shape concentric with the arc of the bottom surface (which coincides with the outer peripheral surface of the transfer drum 10). On the other hand, the rear-side protruding portion 12b has a top surface shorter than the bottom surface, and the side surface on the front side in the rotational direction is inclined, but the rear side surface is substantially linear. The bottom surface and the top surface of the projecting portion 12b have an arc shape similar to that of the projecting portion 12a on the front side. These front and rear protrusions 12a and 12b are each made of an elastic body such as rubber, and are recessed when pressurized from the upper surface side.

  An arc-shaped groove 46a is formed in a portion of the upper surface of the fixed plate 46 where the sliding member 50 is fixed, and vacuum is introduced through a pipe 54 connected to the lower surface side. . In the annular sliding member 50 fixed on the fixed plate 46 so as to cover the arc-shaped groove 46 a, a range in which the hole 50 a penetrating vertically overlaps the arc-shaped groove 46 a of the fixed plate 46. Are formed in large numbers. The arc-shaped groove 46a and the through hole 50a allow the label 2A held by the holding unit 12 to be slightly upstream from the delivery position A (see FIG. 1) where the transfer drum 10 receives the label 2A from the delivery drum 8. It is formed between the pasting position B to be pasted on the container 18.

  On the other hand, the front and rear protrusions 12a and 12b of the label holding part 12 have a plurality of suction ports 12c (three in the protrusions 12a and 12b and six in the horizontal direction in this embodiment) that open to the outer surface. Is formed. These suction ports 12c include a longitudinal passage 10c formed in the cylindrical portion 10b of the transfer drum 10, a radial passage 10d formed in the bottom 10a, a passage 52a in the rotary plate 52 connected to the passage 10d, and the like. Via a vacuum inlet 52 b that opens on the lower surface of the rotating plate 52. As shown in FIG. 3, the suction port 12 c on the front side of the front protrusion 12 a is formed across the upper surface and the front inclined surface. When the transfer drum 10 rotates along with the rotation of the rotary shaft 40, a vacuum introduction port 52 b of the rotary plate 52 communicating with the suction port 12 c of each label holding unit 12 is formed in the fixed sliding member 50. In the portion overlapping with the hole 50a, the vacuum acts on the suction port 12c to adsorb the label 2A. Further, when the vacuum introduction port 52b rotates and reaches the label attaching position B, the vacuum is disconnected from the through hole 50a of the sliding member 50 and the arc-shaped groove 46a of the fixing plate 46, and the vacuum is cut off and held. The label 2A is released. In this embodiment, immediately after the vacuum of the suction port 12c of the label holding unit 12 is shut off, air is blown out from the suction port 12c for a short time so that the label 2A is reliably delivered to the container 18. Yes.

  On the outer side of the cylindrical portion 10 b of the transfer drum 10, a glue applying means 14 is provided so as to face the transfer drum 10. The glue applying means 14 is provided downstream of the label delivery position A from the delivery drum 8 to the transfer drum 10 and at a label attachment position B for attaching the label 2A to the container 18 from the label holding portion 12 of the transfer drum 10. It is arranged on the upstream side. The glue applying means 14 is mounted on the mounting base 56 via an air cylinder 58, and can be moved forward and backward in the direction of the transfer drum 10 by the operation of the air cylinder 58. The glue applying means 14 includes a hot melt coating head 60 in which a discharge port 60a for discharging glue (hot melt) is formed on the side facing the transfer drum 10 (see FIG. 4). The hot melt coating head 60 has a vertically long discharge port 60a slightly shorter than the width of the label 2A (the vertical length when the label 2A is held by the holding portion 12 of the transfer drum 10). The discharge port 60 a is connected to a glue storage part 14 a provided in the main body part of the glue application means 14 via a passage 60 b (see FIG. 3) inside the hot melt coating head 60. Further, the glue storage part 14a is connected to a glue supply means 64 (not shown, which is constituted by a glue storage tank and pump) controlled by the control device 62 (see FIG. 2). In this embodiment, the glue discharge port 60a is composed of a single vertically long opening. However, the shape of the discharge port 60a is not limited to this, and a large number of small openings are arranged at equal intervals. It can be selected as appropriate, for example, by arranging or forming an opening only in a portion where paste needs to be applied. When the label 2A is changed and the longitudinal length of the glue to be applied or the position at which the glue is applied is changed, the label 2A is replaced with a hot melt coating head 60 having a discharge port 60a having a corresponding shape.

  As shown in FIGS. 3 and 4, the hot melt coating head 60 has a flat surface 60c having a narrow width at a portion closest to the transfer drum 10 side. A discharge port 60a is formed. One side portion 60d (the side portion on the side where the label 2A held by the holding portion 12 of the transfer drum 10 approaches) is the flat surface 60c, which is the front side in the rotation direction of the flat surface 60c in which the discharge port 60a is formed. It is an arc-shaped surface that is continuous with. Further, the other side portion corresponding to the rear side in the rotation direction is formed by two inclined surfaces 60e and 60f that are retreated in a direction away from the outer surface of the transfer drum 10. In particular, the inclination angle of the inclined surface 60e that continues from the discharge port 60a is made steep so that glue does not adhere to this portion. As shown in FIG. 3, the arc-shaped side portion 60d of the hot melt coating head 60 can contact the label 2A in the vicinity of the connection portion with the flat surface 60c, but the opposite side portions 60e and 60f are labeled 2A. There is no contact at all.

  A pair of rollers 66 </ b> A and 66 </ b> B are provided at the upper and lower ends of the glue applying unit 14 so as to contact the upper and lower sides of the outer peripheral surface of the cylindrical portion 10 b provided on the transfer drum 10. On the outer peripheral surface of the cylindrical portion 10b of the transfer drum 10, a label holding portion 12 made of the elastic body is provided at the center in the vertical direction, and the pair of rollers 66A and 66B is a label holding portion of the transfer drum 10. 12 is in contact with the top and bottom of the position. By positioning the glue applying unit 14 with respect to the outer peripheral surface of the transfer drum 10 by these rollers 66A and 66B, the label 2A held by the label holding unit 12 and the discharge port 60a ( Actually, parallel discharge is performed so that the flat surface 60c) on which the discharge port 60a is formed is in contact with the entire length in the vertical direction. It should be noted that the front / rear positional deviation when the glue applying means 14 is brought into contact with the outer peripheral surface of the transfer drum 10 is absorbed by the air cylinder 58. In this embodiment, the glue applying means 14 is positioned by the rollers 66A and 66B. However, the rollers 66A and 66B can be omitted.

  The operation of the labeler according to the above configuration will be described. A long label 2 fed out from a roll label held on a label stand (not shown) is sent to a cutter 6 having a pair of rotating bodies 6A and 6B via a plurality of rollers 4 and is supplied to a container 18. It is cut into a predetermined length according to the size. The cut label 2A is delivered to the transfer drum 10 via the delivery drum 8. The transfer drum 10 is provided with four label holding portions 12 including a pair of protrusions 12a and 12b provided at the front and rear in the rotation direction at equal intervals, and the leading end side of the cut label 2A is in the rotation direction. The suction port 12c is adsorbed by a vacuum acting on the suction port 12c in a state of being placed on the front-side protruding portion 12a, while the rear end side of the label 2A is being sucked on the protruding portion 12b on the rear side in the rotational direction. It is adsorbed by the vacuum acting on. An intermediate portion other than the front end portion and the rear end portion of the label 2 </ b> A adsorbed by the protruding portions 12 a and 12 b before and after the holding portion 12 is held in close contact with the outer peripheral surface of the cylindrical portion 10 b of the transfer drum 10.

  When the labeler is not operating, the glue applying means 14 is moved backward by the air cylinder 58 so that the discharge port 60a of the hot melt coating head 60 does not contact the transfer drum 10 side. During operation, the glue applying means 14 is advanced to the transfer drum 10 side, and the flat surface 60c on which the discharge port 60a of the hot melt coating head 60 is formed is held by the protruding parts 12A and 12B of the holding part 12. It is made to contact the label 2A made. At this time, the upper and lower rollers 66 </ b> A and 66 </ b> B provided in the glue application unit 14 abut on the upper and lower ends of the cylindrical portion 10 b of the transfer drum 10 where the label holding portion 12 is not provided, and are held by the holding portion 12. The label 2A and the flat surface 60c of the hot melt coating head 60 are maintained in parallel with each other so as to be completely in contact from the upper end to the lower end.

  When the label 2A held on the holding portion 12 of the transfer drum 10 rotates and reaches the front surface of the glue applying means 14, the label 2A is adsorbed and held on the upper surface of the front protruding portion 12a of the holding portion 12. Since the leading edge of the portion is slightly on the inclined surface on the front side in the rotational direction, the label 2A on the protruding portion 12A of the rotating transfer drum 10 and the flat surface 60c of the hot melt coating head 60 interfere with each other. Start contact smoothly without any problems.

  When the flat surface 60c of the head 60 starts to contact the label 2A, glue is supplied from the glue supply means 64 to the glue application means 14 by a signal from the control device 62, and is discharged from the discharge port 60a of the hot melt coating head 60. Applied to the label 2A. The timing for starting the application is determined by the position signal (encoder pulse signal) of the transfer drum 10, and the front side holding portion 12A holding the tip of the label 2A has reached a predetermined position. When this is detected, the discharge of glue is started, and thereafter, measurement is performed by a timer, and the discharge of glue is stopped after a predetermined time has elapsed. When the width to be applied to the label 2A is large, the glue is discharged for a long time accordingly. In this embodiment, glue is not discharged for a time required to apply to the required application width (width in the rotation direction), and is discharged for a time slightly shorter than that time, and then stopped. The remaining part of the required application width is applied by wiping away the glue remaining at the discharge port 60a with the label 2A. In this way, when the paste is discharged from the discharge port 60a of the hot melt coating head 60, the discharge port 60a and the label 2A held by the holding unit 12 are in contact with each other, that is, the discharge port 60a is the label 2A. However, the holding portion 12 made of an elastic body is retracted by the pressure at the time of spraying the paste, and a gap is generated between the discharge port 60a and the label 2A. Glue overflows from.

  After applying a predetermined width of glue on the front side in the rotational direction of the label 2A held by the label holding unit 12, the intermediate part of the label 2A supported by the outer peripheral surface of the transfer drum 10 is the glue applying means. 14 passes through the front surface of 14, but this portion is retracted radially inward from the protrusion 12 </ b> A, and therefore does not contact the hot melt coating head 60. Thereafter, when the portion of the label 2A held by the rear protrusion 12b reaches the position of the hot melt coating head 60, the label 2A and the hot melt coating head 60 come into contact again, and the leading end of the label 2A The glue is applied to the rear end portion of the label 2A in the same manner as the portion. Note that the widths of the protrusions 12a and 12b of the holding unit 12 are larger than the width of the paste applied to the label 2A. The outlet 60a abuts on the label 2A held by the holding unit 12 and performs an action of scraping off the glue remaining in the discharge port 60a.

  On the other hand, the container 18 to which the label 2A is adhered is transported by the supply conveyor 20, separated at a predetermined interval by the infeed screw 22, and delivered to the inlet star wheel 24. The inlet star wheel 24 rotates and conveys the received container 18 and delivers it to the container conveying device 16. The container transport device 16 rotationally transports the container 18 to the label attaching position B. The container 18 thus supplied to the container transport device 16 and to which the label 2A is attached is detected by a sensor (not shown), and when the container 18 is detected, the label 2A corresponding to the container 18 is supplied. . In this embodiment, when the container 18 is detected, the label 2A attached to the container 18 is cut by the cutter 6 and transferred to the transfer drum 10 to apply glue. When the container 18 is not detected, the supply of the label 2A to the transfer drum 10 is stopped. Further, before the holding part 12 that should have held the label 2A reaches the position of the glue applying means 14, the hot melt coating head 60 is moved backward to the holding part 12 that does not hold the label 2A. Avoid sticking.

  When the container 18 conveyed by the container conveying means 16 reaches the label attaching position B, the label 2A held by the label holding unit 12 is pressed and attached. The container 18 to which the label 2 </ b> A is attached is rotated and conveyed by the rotation of the rotating body 26 of the container conveying device 16, and is discharged onto the discharge conveyor 30 by the outlet star wheel 28. In the labeler according to this embodiment, when applying glue to the label 2A, the glue 2A is held by the holding portion 12 made of an elastic body, instead of spraying glue from a remote position. Therefore, stringing does not occur, and no dripping occurs from the discharge port after the end of discharge. In addition, the paste can be uniformly applied to necessary portions.

  In the above-described embodiment, the hot melt coating head 60 is used to apply glue to the two places before and after the label 2A. However, the hot melt coating head 60 may be provided at two places. . With such a configuration, the paste can be applied simultaneously before and after the label 2A, so that the speed can be increased. It is also effective when the pasting pattern is different between the front and rear. However, in such a configuration, the front protrusion 12a and the rear protrusion 12b or the hot melt coating head 60 are provided so as to be able to move forward and backward, and only the corresponding hot melt coating head 60 has the protrusions 12a, 12b. It is necessary to prevent contact with the hot melt coating head 60 that does not correspond.

It is a top view which simplifies and shows the whole structure of a labeler. (Example 1) It is a longitudinal cross-sectional view of the transfer drum and glue application means provided in the labeler. It is a top view which expands and shows the principal part of a transfer drum and a paste application means. It is a perspective view of a hot-melt coating head.

Explanation of symbols

2A Label 10 Transfer drum 12 Holding part 14 Glue application means 18 Container 60a Discharge port

Claims (2)

A transfer drum provided with a holding portion for sucking and holding the label on the outer periphery, a rotating means for rotating the transfer drum, and a discharge port for discharging glue, and applying glue to the label held by the holding portion In a labeler that is provided with a glue applying means for applying to the predetermined position of the label and is attached to the container,
The holding portion is formed of an elastic body that protrudes outward from the outer peripheral surface of the transfer drum, and the width of the holding portion in the rotation direction of the transfer drum is applied to the label by the paste applying means. When the glue is applied to the label by the glue applying means, the glue is discharged by discharging the glue while the discharge port is in contact with the label held by the holding portion. with applying and causing a gap glue between the label retracting the holding portion by the discharge pressure of the glue is held in the holding portion and the discharge port, the glue of the coating width to the label The labeler is characterized in that, after the application is finished, the discharge port is continuously brought into contact with the label so that the adhesive remaining on the discharge port is wiped off with the label after applying the paste. The labeler according to claim 1, wherein the holding portions are provided at least two places in the front and rear directions in the label transfer direction.

Images