JP2006213010A - Tape cassette - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tape cassette which can take up the unnecessary portion of a half-cut printing tape. <P>SOLUTION: The tape cassette 1 stores a printing tape 30 given with cuts along both ends of the width direction of a tape base material. The starting ends of a pair of base material ends 32b on both sides of the width direction of the tape base material are stuck to the core portion of a ribbon take-up spool 21. Consequently, in discharging the printing tape 30 from a tape discharge outlet 24, the pair of base material ends 32b and 32b can be taken up by the ribbon take-up spool 21 together with an ink ribbon 19. Namely, the printing tape 30 in which only the central portion of the base material remains on a release sheet, can be discharged from the tape discharge opening 24. Since only the central portion of the base material actually used remains on and adheres to the release sheet, the central portion can be easily released from the release sheet. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a tape cassette, and more particularly to a tape cassette that stores a half-cut printing tape.

  2. Description of the Related Art Conventionally, a printing tape used for a tape printer is configured such that a release sheet is detachably bonded to one surface of a long tape base material via an adhesive, and is stored in a tape cassette. This printing tape is pulled out from the tape cassette and printed by a printing mechanism such as a thermal head of a tape printer or a platen. Furthermore, the printing tape subjected to the printing process is cut into a length to be used by a cutting mechanism having a cutting blade, and is sent to the outside from the tape delivery port. And the printing tape sent out to the exterior is affixed on a to-be-adhered object by peeling the peeling sheet adhere | attached on the opposite surface (back side) of the printing surface of a tape base material by the user.

There are a large number of such printing tapes from narrow to wide according to the user's request. However, the tape cassettes for storing them must be prepared in sizes corresponding to the width of the tape, which is not preferable in terms of cost. Thus, for example, a half-cut printing tape is known in which only the tape base material is cut along the length direction of both end portions in the width direction of the printing tape. As for this printing tape, the tape base material is cut beforehand, and it is not necessary to change the magnitude | size of a tape cassette by adjusting the cut width suitably. And only the center part of the width direction of the printing tape printed and sent out outside is peeled from a peeling sheet, and the printing tape of desired width can be obtained. Separately from this, a pair of cuts are made on the printing layer (tape substrate) of the printing tape that has not been cut on the line on which the printing tape (printing tape) in the tape cassette is conveyed. A tape printer provided with a roller for supporting the cutting blade is also known (see, for example, Patent Document 1). In this apparatus, a cut is made in a tape cassette in a tape to be printed without a cut.
Japanese Patent Laid-Open No. 11-78086

  However, the half-cut tape to be printed formed by the tape printing apparatus described in Patent Document 1 has both side portions in the width direction of the layer to be printed (tape base material) not actually used adhered to the release layer. It will be supplied to the outside of the device. For this reason, even if the user picks up the printed tape for printing, the user may mistakenly recognize that the tape is an ordinary tape for printing without a break. Also, when the printed layer with a cut is peeled from the release sheet, it is troublesome to recognize the cut and give a curvature in the vicinity of the cut surface to cause peeling of the printed layer at the cut. Has occurred.

  The present invention has been made to solve the above-described problems, and an object thereof is to provide a tape cassette capable of winding up an unnecessary portion of a half-cut printing tape.

  In order to achieve the above object, a tape cassette according to claim 1 is composed of a tape-like base material and a release sheet that is detachably bonded to one surface of the base material via an adhesive. A case for storing a printing tape in which cuts parallel to both ends in the width direction are provided on both side portions excluding the central portion in the width direction of the material, and an ink ribbon for printing on the substrate side of the printing tape A tape cassette that is detachably mounted on a printing apparatus and has a tape discharge port for discharging the printed printing tape to the outside, and a tape spool for winding and supporting the printing tape. A ribbon spool for winding and supporting the ink ribbon, and the print spool drawn out from the ribbon spool and overlaid on the print tape drawn out from the tape spool. A take-up spool for taking up the used ink ribbon that has been transported in a state is provided, and the start ends of both side portions excluding the central portion in the width direction of the substrate are respectively provided on the take-up spool. The both side portions in the width direction of the substrate are bonded together with the ink ribbon that has been used for printing on the take-up spool, and the central portion of the printed substrate is discharged from the tape discharge port as a printing tape. It is characterized by having constituted so.

  According to a second aspect of the present invention, in addition to the configuration of the first aspect of the present invention, the tape cassette is provided between the tape spool and a conveyance path of the both side portions of the base material wound on the take-up spool. Rolls along the conveying direction of the both side portions of the base material, and prevents the printing tape supported by being wound around the tape spool and the both side portions of the base material from contacting each other. And a plurality of ring-shaped flanges protruding outward in the radial direction of the roller are provided in a plurality of rows along the axial direction of the roller. It is characterized by.

  In the tape cassette according to the first aspect of the present invention, a printing tape is stored in which both side portions excluding the central portion in the width direction of the base material are provided with cuts parallel to both ends in the width direction. And since each start end of both sides except the central part of the substrate in the width direction of the printing tape is bonded to the take-up spool, the ink ribbon on which both sides of the substrate in the width direction are used for printing. At the same time, it can be wound on a winding spool. Thereby, the printing tape can be discharged from the tape discharge port in a state where only the central portion of the printed substrate is left on the release sheet. Therefore, it can be recognized that the printing tape is a half-cut printing tape and has a cut in a desired width. In addition, the printing tape discharged from the tape discharge opening is bonded to the center part excluding both sides in the width direction of the release sheet, along the longitudinal direction of the release sheet, and the base material from which both sides are removed is bonded. Therefore, it is easy to find the boundary between the release sheet and the substrate. Therefore, the release sheet can be easily peeled from the substrate.

  Further, in the tape cassette according to claim 2, in addition to the effect of the invention according to claim 1, a roller is provided between the tape spool and the conveyance path on both sides of the base material wound around the take-up spool. Since it is provided so as to be rotatable, it is possible to prevent the printing tape wound and supported on the tape spool from being in contact with both side portions of the substrate. Furthermore, adhesive is applied to the contact surfaces of the both sides of the base material facing the roller, and a plurality of flange portions provided on the outer peripheral surface of the roller are in contact with the contact surfaces. Thereby, the contact area of the contact surface of the both sides of a base material and the outer peripheral surface of a roller can be made small. Therefore, it can prevent that the both sides of a base material adhere | attach on the outer peripheral surface of a roller, and a roller becomes non-rotatable.

  Hereinafter, the tape cassette 1 which is the 1st Embodiment of this invention is demonstrated based on drawing. FIG. 1 is a perspective view of the tape cassette 1 of the first embodiment, FIG. 2 is a plan view of the lower case 2 with the upper case 3 removed, and FIG. 3 shows the head mounting portion 9 shown in FIG. 4 is a partially enlarged view showing the vicinity, FIG. 4 is a plan view of the printing tape 30 as seen from the tape base material 32 side, and FIG. 5 is a cross-sectional view in the direction of arrows AA shown in FIG. 6 is a perspective view showing a state in which the ink ribbon 19 and the substrate end portions 32b and 32b are taken up by the ribbon take-up spool 21, and FIG. 7 is a view taken along the line BB in FIG. FIG. In FIG. 1, the lower right side of the figure is the front side of the tape cassette 1, and the upper left side of the figure is the rear side of the tape cassette 1.

  In addition, the tape cassette 1 of 1st Embodiment equips the inside with the half cut printing tape 30 by which the cut | interruption was made in the tape base material 32, and is divided | segmented into three by the half cut parts 31 and 31 (refer FIG. 4). The tape substrate 32 is characterized in that both side portions in the width direction (substrate end portions 32b and 32b described later) can be wound inside the cassette. The “half-cut printing tape 30” refers to the printing tape 30 in which the tape base material 32 is cut.

  First, a schematic configuration of the tape cassette 1 will be described. A tape cassette 1 shown in FIG. 1 is detachably attached to a tape printer (not shown), and includes a lower case 2 and an upper case 3 fixed to the upper side of the lower case 2 in a casing.

  As shown in FIG. 1, in the upper case 3 of the tape cassette 1, a tape spool 18 (see FIG. 2) wound with the release sheet 35 (see FIGS. 1 and 5) side of the printing tape 30 facing outward is provided. When characters, symbols, graphics, etc. are printed on the tape base 32 (see FIGS. 1 and 5) of the printing tape 30 by the support hole 4 that is rotatably supported and the thermal head (not shown) of the tape printer. In addition, a support hole 5 is formed which pulls out the ink ribbon 19 from the ribbon spool 20 (see FIG. 2) and further supports a ribbon take-up spool 21 (see FIG. 2) that winds up the used ink ribbon 19. As shown in FIG. 2, the lower case 2 is similarly formed with support holes 4 a and 5 a that are continuous to the support holes 4 and 5 of the upper case 3 and are continuous.

  As shown in FIG. 1, a print tape 30 drawn from the tape spool 18 (see FIG. 2) is placed on the front side (lower right side in FIG. 1) of the tape cassette 1 on the ribbon spool 20 (FIG. 2). Along with the ink ribbon 19 drawn out from (see), an arm portion 8 is provided which is fed from an opening 8a to a head mounting portion 9 described later. Further, the arm portion 8 is formed in the vicinity of the opening 8a so as to be surrounded by the arm portion 8 and a wall portion 9a facing the arm portion 8, and is used for a thermal head (not shown) of a tape printer or a platen ( A head mounting portion 9 is provided to be opened for mounting (not shown) and the like. A first fitting portion 10 that is curved in a concave shape toward the rear of the tape cassette 1 and extends in the vertical direction is formed on the wall portion 9a that forms the head mounting portion 9. Further, a second fitting portion 11 that curves in a concave shape in a direction perpendicular to the first fitting portion 10 (a direction along the wall portion 9a) is formed on the left side wall (left side in FIG. 2) of the head mounting portion 9. Is formed. The first fitting portion 10 and the second fitting portion 11 are fitted to two protrusions formed on a head holder (not shown) that supports the thermal head of the tape printer. . Thereby, the thermal head can be mounted on the head mounting portion 9 without any interference with the print tape 30 and the ink ribbon 19.

  Further, as shown in FIG. 1, in the running direction of the printing tape 30 and the ink ribbon 19, a support hole 13 penetrating in the vertical direction is provided on the downstream side of the head mounting portion 9, and inside the support hole 13. The tape feed roller 12 is rotatably supported. The tape feed roller 12 pulls out the print tape 30 from the tape spool 18 (see FIG. 2) in cooperation with a pressure contact roller (not shown) of a tape printer disposed opposite to the tape feed roller 12. is there. A pair of upper and lower regulating members 14 and 15 are provided in the vicinity of the tape feed roller 12 and upstream of the printing tape 30 in the running direction. Each of the regulating members 14 and 15 regulates the print tape 30 on which characters and the like are printed on the downstream side of the thermal head (not shown) in the width direction, and guides the print tape 30 toward the tape discharge port 24. Is. In addition, the used ink ribbon 19 conveyed via the head mounting portion 9 is separated from the print tape 30 and guided toward the ribbon take-up spool 21 inside each of the regulating members 14 and 15. A guide part 25 is provided for this purpose. A guide hole 25 a for allowing the used ink ribbon 19 to pass therethrough is provided along the guide portion 25.

  On the other hand, as shown in FIGS. 1 and 2, a cassette detection unit 16 is formed at the right rear edge position (upper right side in FIG. 1) of the tape cassette 1. The cassette detector 16 detects the type of the tape cassette 1 (for example, the type of the tape cassette 1 is specified by the width of each printing tape 30, the color of ink applied to the ink ribbon 19, etc.). In addition, a plurality of switch holes 16a are formed with a predetermined pattern. The formation pattern of the switch holes 16 a is different depending on the type of each tape cassette 1. Each of the switch holes 16a is detected based on a combination of ON / OFF states of a plurality of detection switches (not shown) provided on the tape printer (not shown) side.

  Next, the internal structure of the tape cassette 1 will be described. As shown in FIG. 2, on the left side of the rear part (upper part in FIG. 2) in the lower case 2, a tape spool 18 around which the printing tape 30 which is a feature of the present invention is wound is provided in the support hole 4 (see FIG. 1). It is arrange | positioned so that rotation is possible. A ribbon spool 20 around which the ink ribbon 19 is wound is rotatably arranged on the right side of the front part (lower part in FIG. 2) of the lower case 2. Further, while the tape spool 18 and the ribbon spool 20 are sandwiched, a ribbon take-up spool 21 that pulls out the ink ribbon 19 from the ribbon spool 20 and winds up the ink ribbon 19 used for printing characters or the like is provided. The support hole 5 (see FIG. 1) is pivotally disposed. Although not shown, a clutch spring is attached to the lower part of the ribbon take-up spool 21. This clutch spring prevents the ribbon ribbon spool 21 from rotating reversely to loosen the wound ink ribbon 19.

  Further, the ink ribbon between the used ink ribbon 19 that passes through the guide hole 25 a and is wound toward the ribbon take-up spool 21 and the print tape 30 that is wound around and supported by the tape spool 18 is interposed between the ink ribbon and the ink ribbon 19. A predetermined gap is provided so that 19 and the printing tape 30 do not contact each other, and a separation wall 27 is provided upright in the gap. The ribbon take-up spool 21 of the present embodiment also takes up a pair of substrate end portions 32b and 32b, which will be described later, of the print tape 30 together with the used ink ribbon 19. And since the surface where the adhesive layer 33 of these base-material edge parts 32b was applied opposes the separation wall 27, there exists a possibility that the base-material edge parts 32b and 32b may contact and adhere to the separation wall 27. FIG. Therefore, the surface of the separation wall 27 facing the substrate end portion 32b is formed in an uneven shape. Thereby, since the contact area which the surface of the separation wall 27 and the surface of the base-material edge part 32b contact can be made small, the base-material edge part 32b contacts with respect to the separation wall 27, and an adhesive layer Bonding through 33 can be prevented. In addition to this, by bonding the uneven surface of the separation wall 27 with a fluororesin (for example, polytetrafluoroethylene: PTFE), it is possible to further prevent adhesion of the substrate end portion 32b. The uneven surface of the separation wall 27 is not limited to fluororesin processing, and may be coated with other substances as long as the adhesive layer 33 is difficult to adhere to.

  Next, the printing tape 30 will be described with reference to FIGS. As shown in FIGS. 4 and 5, the printing tape 30 includes a long tape substrate 32, an adhesive layer 33 formed on one surface of the tape substrate 32, and the adhesive layer 33. And a long release sheet 35 detachably bonded to the one surface of the tape substrate 32. And in the tape base material 32, the surface opposite to the one surface on which the adhesive layer 33 is applied and formed (the front surface in FIG. 4 and the upper surface in FIG. 5) is a printing surface. . The material of the release sheet 35 is paper or a resin film. Although not shown, a surface of the release sheet 35 to be bonded to the tape base material 32 is coated with a silicon film as a release agent. A pair of half-cut portions 31, 31 each having a cut along the length direction of both end portions are provided in the vicinity of both end portions in the width direction of the tape base material 32. These half cut portions 31 and 31 are not inserted up to the release sheet 35 side (see FIG. 5). Further, the half cut portions 31 and 31 are provided apart from both end portions in the width direction of the tape base material 32 by a predetermined length. For example, in the printing tape 30 according to the present embodiment, the half-cut portions 31 and 31 are formed on the tape substrate so that the width of the central portion excluding both sides in the width direction is 12 mm to 14 mm with respect to the tape substrate 32 having a width of 18 mm. 32 respectively. Therefore, the half cut portion 31 is provided to be separated from the both ends in the width direction of the tape base material 32 by about 2 to 3 mm. Thus, the tape base material 32 is cut by the half-cut portions 31, 31, and a base material central portion 32a located in the center of the tape base material 32 in the width direction and a pair of base materials located on both sides of the base material central portion 32a. It is divided into base material end portions 32b and 32b. In addition, the half cut parts 31 and 31 shown in FIG. 4 are equivalent to a "cut".

  Next, a method for setting the ink ribbon 19 in the tape cassette 1 will be described. As shown in FIG. 2, first, one ink ribbon 19 wound in a roll shape is set on a ribbon spool 20 provided in the lower case 2. Next, the starting end of the ink ribbon 19 wound in a roll shape is pulled out from the ribbon spool 20, and the ink ribbon 19 is pulled out from the opening 8 a of the arm portion 8 to the head mounting portion 9. Then, as shown in FIG. 3, the ink ribbon 19 passes through the inside of the guide hole 25 a formed along the guide portion 25 and is drawn out to the ribbon take-up spool 21, while the core portion of the ribbon take-up spool 21 ( Adhere to (not shown) and take up. The ink ribbon 19 is set in the tape cassette 1 by the above method.

  Next, a method for setting the printing tape 30 in the tape cassette 1 will be described. As shown in FIG. 2, first, one printing tape 30 (see FIG. 3) wound in a roll shape is set on a tape spool 18 provided in the lower case 2. Next, the start end of the print tape 30 is pulled out from the tape spool 18, the outside of the ribbon spool 20 is turned over, and the print tape 30 is pulled out from the opening 8 a of the arm portion 8 to the head mounting portion 9. In the head mounting portion 9, the ink ribbon 19 drawn out from the opening 8 a is overlaid on the tape base material 32 of the printing tape 30. Next, at the start end of the printing tape 30 shown in FIG. 4 (FIG. 5), only the pair of substrate end portions 32b, 32b of the tape substrate 32 is peeled off from the release sheet 35 and bent, and the pair of substrate end portions The start ends of 32b and 32b are allowed to pass inside guide holes 25a formed along the guide portions 25 shown in FIGS. Furthermore, as shown in FIG. 6, with the start ends of the pair of base material end portions 32 b and 32 b that have passed through the guide hole 25 a facing the adhesive layer 33 toward the separation wall 27 (see FIG. 3), Pull out to the ribbon take-up spool 21 together with the ink ribbon 19. Then, the surfaces of the substrate end portions 32b and 32b on which the adhesive layer 33 is applied and formed are bonded to the core portion (not shown) of the ribbon take-up spool 21 and wound together with the ink ribbon 19. Make it.

  On the other hand, as shown in FIG. 6, the guide tape 25 peels off the pair of base material end portions 32 b and 32 b from the release sheet 35, and only the base center portion 32 a remains on the release sheet 35. As shown in FIGS. 1 and 3, 30 is passed between the pair of regulating members 14 and 15 to regulate the position in the width direction. Then, the printing tape 30 whose position is regulated is pulled out from the tape discharge port 24 via the tape feeding roller 12. With the above method, the setting of the printing tape 30 is completed.

  Next, the conveyance path | route of the printing tape 30 in the tape cassette 1 which consists of the said structure is demonstrated. As shown in FIG. 2, the printing tape 30 is first pulled out of the tape spool 18 by the cooperation of the tape feed roller 12 and a pressure contact roller of a tape printer (not shown). Next, the printing tape 30 drawn out from the tape spool 18 is conveyed toward the arm portion 8 and sent out from the opening 8a of the arm portion 8 toward the front side (lower side in FIG. 2) of the head mounting portion 9. . At this time, the ink ribbon 19 is superimposed on the tape base material 32 side of the printing tape 30. Next, the printing tape 30 is transported together with the ink ribbon 19 between a thermal head and a platen of a tape printer (not shown), whereby characters or the like are printed on the printing surface of the tape base material 32 (see FIG. 4) of the printing tape 30. Is printed.

  Here, as described above, as shown in FIG. 6, the start ends of the pair of base end portions 32 b and 32 b of the tape base 32 are bonded to the core (not shown) of the ribbon take-up spool 21. Therefore, the substrate end portions 32b and 32b are reversed and bent while being peeled off from the release sheet 35, and pulled toward the ribbon take-up spool 21 through the guide hole 25a. Then, the base material end portions 32b and 32b are sequentially wound around the ribbon take-up spool 21 while being superposed on the ink ribbon 19 and with the adhesive layer 33 side facing the tape spool 18 side.

  On the other hand, as shown in FIG. 6, the printing tape 30 in a state where the pair of base end portions 32 b and 32 b is peeled off by the guide portion 25 is formed by the pair of regulating members 14 and 15 as shown in FIG. 2. The position in the width direction is regulated, and the tape feed roller 12 is discharged to the outside by the rotation of the tape feed roller 12. At this time, as shown in FIG. 7, the print tape 30 discharged from the tape discharge port 24 is left on the release sheet 35 with only the base material center portion 32 a remaining in the width direction center portion via the adhesive layer 33. State. Further, the print tape 30 discharged from the tape discharge port 24 shown in FIG. 2 is cut to a desired length by a cutting mechanism of a tape printer (not shown) and sent out from a tape delivery port (not shown) of the tape printer. It has become so.

  As described above, according to the tape cassette 1 in the present embodiment, the half-cut printing tape 30 in which cuts are made along both widthwise ends of the tape base material 32 is stored. When the print tape 30 is discharged from the tape discharge port 24, the base end portions 32b and 32b on both sides in the width direction of the tape base 32 can be wound inside the cassette. That is, from the tape discharge port 24, the print tape 30 in which only the substrate center portion 32a remains on the release sheet 35 can be discharged. As a result, the user can immediately recognize that the printing tape 30 is a half-cut printing tape. Moreover, since only the base material center part 32a actually used for use is adhered on the release sheet 35, the base material center part 32a can be easily peeled off from the release sheet 35. Furthermore, since the base material end portions 32b and 32b are peeled off at the downstream side of the head mounting portion 9, all the portions of the tape base material 32 are bonded onto the release sheet 35 in the printing process at the head mounting portion 9. Therefore, the running of the printing tape 30 on the head mounting portion 9 can be kept stable. Thereby, stable printing can be performed on the printing surface of the tape base material 32.

  In addition, the tape cassette of this invention is not restricted to the said embodiment, A various change is possible. For example, as shown in FIGS. 2 and 3, in the tape cassette 1 of the above embodiment, the used ink ribbon 19 and the substrate end portions 32b and 32b that are transported from the guide hole 25a toward the ribbon take-up spool 21 are used. In the gap between the tape tape 18 and the print tape 30 supported by being wound on the tape spool 18, the substrate end portions 32 b and 32 b provided with the pressure-sensitive adhesive layer 33 and the print tape 30 are in contact with each other and bonded together. However, for example, the separation wall 27 may be deformed to form a roller having an uneven surface.

  Therefore, the tape cassette 100 according to the second embodiment provided with the separation roller 270 shown in FIGS. 8 and 9 in which the separation wall 27 of the first embodiment is modified is shown in FIGS. This will be described with reference to FIG. FIG. 8 is a plan view showing the vicinity of the separation roller 270, which is the main part of the tape cassette 100 of the second embodiment, FIG. 9 is a perspective view of the separation roller 270, and FIG. FIG. The tape cassette 100 according to the second embodiment has substantially the same configuration as the tape cassette 1 according to the first embodiment, and is different only in that a separation roller 270 is provided instead of the separation wall 27. Therefore, in the description of the present embodiment, the same parts and structures as those of the tape cassette 1 of the first embodiment are denoted by the same reference numerals, and the structure of the separation roller 270 will be mainly described.

  First, the separation roller 270 will be described. As shown in FIG. 8, the separation roller 270 is provided in the tape cassette 100, and is used with the used ink ribbon 19 and the substrate end portions 32b and 32b conveyed from the guide hole 25a toward the ribbon take-up spool 21. , Which is provided in a gap with the print tape 30 (see FIG. 2) supported by being wound around the tape spool 18, and is rotatably supported around an axis perpendicular to the bottom of the lower case 2. . And it rolls along the conveyance path | route of the ink ribbon 19 and the base-material edge part 32b, 32b.

  Next, the structure of the separation roller 270 will be described. As shown in FIGS. 9 and 10, the separation roller 270 is formed on a cylindrical roller body 271 and an outer peripheral surface of the roller body 271, and is equally spaced along the axial direction of the roller body 271. It is composed of five ring-shaped flange portions 272 arranged in a row. A fitting insertion hole 271b provided along the axis of the roller main body 271 is provided inside the cylinder of the roller main body 271, and an intermediate portion in the axial direction is partitioned by a partition wall 271c. Further, the taper portion 271a for preventing the ink ribbon 19 and the base material end portions 32b and 32b from coming into contact with the corner portions of the outer peripheral side end portions of the both ends in the axial direction of the roller main body 271 to be damaged. Are provided. Further, the outer peripheral surface of the roller main body 271 and the outer surface of the flange portion 272 are subjected to fluororesin processing for preventing adhesion of the adhesive layer 33 (see FIG. 6). Alternatively, the roller body 271 is made of a material that does not require surface processing (polypropylene).

  Then, the separation roller 270 having the above-described configuration is inserted into a shaft support portion (not shown) provided near the guide portion 25 of the lower case 2 shown in FIG. 8 from the fitting insertion hole 271b on one end side of the roller body 271. The separation roller 270 is pivotally supported. In this way, as shown in FIG. 8, the separation roller 270 can rotate along the transport path of the used ink ribbon 19 and the substrate end portions 32b and 32b. When the adhesive layer 33 (see FIG. 6) formed on one surface of the substrate end portions 32b and 32b comes into contact with the separation roller 270, the adhesive layer 33 (on the one surface of the substrate end portions 32b and 32b). The outer peripheral edge of the flange portion 272 of the separation roller 270 shown in FIGS. As a result, the contact area between the separation roller 270 and the base material end portions 32b and 32b can be reduced, so that the base material end portions 32b and 32b come into contact with the separation roller 270 and adhere via the adhesive layer 33. Can be prevented. Further, as shown in FIG. 8, since the separation roller 270 rotates along these conveying paths, even if the base end portions 32 b and 32 b are bonded to the separation roller 270, it becomes easier as the separation roller 270 rotates. Peel off. Further, as shown in FIGS. 9 and 10, since the five flange portions 272 are arranged at equal intervals between the ends of the roller main body 271, the ink ribbon 19 and the end portion of the base material are arranged. The five flange portions 272 can be evenly contacted with 32b and 32b.

  As described above, according to the tape cassette 100 of the second embodiment, the separation roller 270 is provided instead of the separation wall 27 provided inside the tape cassette 1 of the first embodiment. The separation roller 270 includes a roller main body 271 and five ring-shaped flange portions 272 formed on the outer peripheral surface of the roller main body 271 and arranged along the axial direction of the roller main body 271. Then, since it is the outer peripheral edge of the flange portion 272 of the separation roller 270 shown in FIG. 10 that contacts the adhesive layer 33 (see FIG. 6) applied and formed on one surface of the substrate end portions 32b and 32b, the separation is performed. The contact area between the roller 270 and the substrate end portions 32b and 32b can be reduced. Therefore, it can prevent that base-material edge part 32b, 32b contacts the separation roller 270, and adhere | attaches through the adhesive layer 33 (refer FIG. 6). Further, since the separation roller 270 rotates along these conveyance paths, even if the base material end portions 32b and 32b are bonded to the separation roller 270, the separation roller 270 rotates from the separation roller 270 to the base material end portion. Since 32b and 32b peel easily, it can prevent that the ribbon winding spool 21 becomes impossible to rotate.

  In addition, although the separation roller 270 of the second embodiment includes the five flange portions 272, it may be more or less than this. Further, although the separation roller 270 is entirely processed with a fluororesin, it may be coated with another material as long as the adhesive layer 33 is difficult to adhere.

It is a perspective view of the tape cassette 1 of 1st Embodiment. It is a top view of the lower case 2 which removed the upper case 3. FIG. FIG. 3 is a partially enlarged view showing the vicinity of a head mounting portion 9 shown in FIG. 2. It is the top view which looked at the printing tape 30 from the tape base-material 32 side. It is AA arrow direction sectional drawing shown in FIG. FIG. 4 is a perspective view showing a state in which an ink ribbon 19 and base material end portions 32 and 32b are taken up on a ribbon take-up spool 21; FIG. 7 is a cross-sectional view in the direction of arrows BB shown in FIG. 6. It is the top view which showed the separation roller 270 vicinity which is the principal part of the tape cassette 100 of 2nd Embodiment. 7 is a perspective view of a separation roller 270. FIG. 7 is a partial cross-sectional view of a separation roller 270. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Tape cassette 2 Lower case 3 Upper case 18 Tape spool 19 Ink ribbon 20 Ribbon spool 21 Ribbon take-up spool 24 Tape discharge port 30 Printing tape 31 Half cut part 32 Tape base material 32a Base material center part 32b Base material edge part 33 Adhesion Agent layer 35 Release sheet 100 Tape cassette 270 Separation roller 271 Roller body 272 Flange

Claims (2)

Consists of a tape-like base material and a release sheet that is detachably bonded to one surface of the base material via an adhesive, and both end portions in the width direction on both side portions excluding the central portion in the width direction of the base material A tape cassette provided with a case for storing a print tape provided with a cut parallel to the base plate, and an ink ribbon for printing on the substrate side of the print tape,
In the case,
A tape outlet for discharging the printed printing tape to the outside;
A tape spool for winding and supporting the printing tape;
A ribbon spool for winding and supporting the ink ribbon;
A take-up spool for taking up the used ink ribbon that has been drawn out from the ribbon spool and conveyed in a state of being overlaid on the print tape drawn out from the tape spool;
Each starting end of both side portions excluding the central portion in the width direction of the base material is bonded to the take-up spool,
The both side portions in the width direction of the base material are wound on the take-up spool together with the ink ribbon used for printing, and the central portion of the printed base material is discharged from the tape discharge port as a printing tape. A tape cassette characterized by comprising. Between the tape spool and the conveyance path of the both side portions of the base material wound on the take-up spool,
In order to prevent the printing tape supported by being wound around the tape spool from rolling along the conveying direction of the both side portions of the base material and the both side portions of the base material from contacting each other The roller is provided rotatably,
2. The tape according to claim 1, wherein a plurality of rows of ring-shaped flange portions protruding outward in the radial direction of the roller are provided on the outer peripheral surface of the roller along the axial direction of the roller. cassette.

Images