JPH04107065U - ink film - Google Patents

Abstract

(57) [Summary] [Purpose] To provide an ink film with a smaller packaging shape and lower cost. [Structure] An elastic sheet (7c) that can be shaped as a winding core of the film portion is extended at at least one end of the film portion as a thermal transfer recording medium, if necessary.

Description

[Detailed explanation of the idea]

0001 [Purpose of invention]

0002

[Industrial application field]

This invention relates to an ink film used as a transfer recording medium of a thermal transfer recording device. do.

0003

[Conventional technology]

FIG. 3 is a conceptual diagram showing the main structure of a general thermal transfer recording device.

0004 In FIG. 3, 1 is a thermal head, 2 is a platen roller, 3a, 3b, 3c , 3d, 3e are recording paper guides, 4, 5 are ink film guides, 6 is a cutter, 7 is an ink film, 7a is a roll on the feeding side of the ink film 7, and 7b is an ink film. A roll on the winding side of the film 7, 8a is a winding-in roller of the ink film 7, 8 b is a winding roller for the ink film 7, 9 is a recording paper, and 10 is a paper feed roller. . The detailed structure of the conventional ink film 7 used in this type of recording device is shown in FIG. 4 in perspective view.

[0005] FIG. 4 particularly shows the state of the ink film 7 before it is attached to the recording device. , all of the film part is rolled up into the paper tube 71a on the rolling-in side, and the paper on the rolling-in side The tube 71b is simply pasted to the other end of the film section.

[0006] This ink film 7 is attached to the feed-in roller 8a in the recording apparatus shown in FIG. Incorporate the paper tube 71a on the rolling side, and on the other hand, incorporate the paper tube 71b on the rolling side. It is mounted so as to be incorporated into the rubbing roller 8b.

[0007] At that time, the film portion between the paper tube 71a and the paper tube 71b is and the platen roller 2, and the ink film guide 4 and the ink film It is stretched via guide 5.

[0008] The recording operation performed in this state will be briefly described below.

[0009] In FIG. 3, an ink film 7 is placed between the thermal head 1 and the platen roller 2. The recording paper 9 is sandwiched and conveyed at the same time. The molten ink on the ink film 7 is transferred to the recording paper 9 to record image information.

0010 These ink film 7 and recording paper 9 are separated near the ink film guide 5. be done.

[0011] Thereafter, the ink film 7 is rolled up by the winding side roll 7b.

0012 On the other hand, the recording paper 9 passes through the recording paper guides 3c, 3d, and 3e and is fed into the cutter 6. There, the paper is cut into a predetermined size and discharged to a paper discharge tray (not shown).

[0013] As mentioned above, the conventional ink film 7 used in this type of recording device is Paper tubes 71a and 71b were provided at both ends of the film portion (see FIG. 4).

[0014] These paper tubes 71a, 71b are installed in the rollers 8a, 8b of the recording device. Due to its shape and the need to maintain a certain degree of strength, it has a fairly large diameter. using something.

[0015] According to the configuration of the conventional ink film 7 described above, this type of paper tubes 71a, 71b are These two paper tubes 71a and 71b were included because they were needed at both ends of the film portion. The shape of the packaging when it was first packed was very large.

[0016] Also, the need for two paper tubes 71a and 71b reduces the cost of the ink film. This was also one of the reasons for the increase in sales.

[0017]

[Problem that the idea aims to solve]

In this way, the above conventional ink film has paper tubes at both ends of the film portion. Because of the structure, when wrapping these two paper tubes, the packaging shape was It is necessary to increase the size of the ink cartridge, and in terms of cost, using two paper tubes reduces the ink fill. There was a problem in that the cost of the lum was unavoidable.

[0018] The present invention eliminates this problem by devising the shape of the paper tube for the ink film. Therefore, it is possible to reduce the size of the packaging and also to reduce the cost of the ink film. The purpose is to provide an ink film that can be applied to

[0019] [Structure of the idea]

[0020]

[Means to solve the problem]

This invention is a roll-shaped thermal transfer recording medium used in a thermal transfer recording device. In the ink film, a portion of the film serving as the thermal transfer recording medium is At one end of both, there is an elastic band which can be shaped as a winding core for the film portion if necessary. It is characterized by an extended flexible sheet.

[0021]

[Effect]

In the ink film of the present invention, at least one end of the film portion is made of an elastic sheet. It is more formed.

[0022] Moreover, by appropriately rolling itself, this elastic sheet can If it corresponds to a paper tube, it can be assembled into a core shape.

[0023] In the ink film of the present invention, for example, the elastic sheet is used as a film portion. If it is installed in the part corresponding to the paper tube on the winding side, all flaps will be In addition to wrapping the film part, wrap it in a way that covers the outside of this film part. It can be shipped in a rolled state.

[0024] In this case, the ink film as a whole is in the form of one roll, and its packaging shape is The shape can be made much smaller.

[0025] In addition, as mentioned above, the elastic sheet is the same as the paper tube on the winding side or the winding side. Since it can be handled in various ways, one paper tube can be saved compared to conventional ones, and this makes it easier to use. It is also possible to reduce the cost of the ink film.

[0026]

【Example】

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

[0027] FIG. 1 is a perspective view showing the structure of an ink film according to an embodiment of the present invention.

[0028] This ink film 70 of the present invention is different from the conventional ink film 7 (see FIG. 4). The difference lies in the structure of the end of the film on the winding side.

[0029] In this ink film 70, a film in a direction opposite to the paper tube 71a on the feeding side An elastic sheet 7c is bonded to the end portion of the elastic body by a bonding portion 72. ing.

[0030] This elastic sheet 7c has the same width as the film portion of the ink film 70. , and with respect to the winding direction, approximately on the outer periphery of the paper tube 71a on the winding side. have equal length.

[0031] Protrusions 73a and 73b having wide parts are attached to the tip of the elastic sheet 7c. They are provided at predetermined intervals in the width direction of the lume portion.

[0032] Furthermore, the bonded portion 72 and the protrusions 73a, 73b in this elastic sheet 7c Perforated portions 74a, 74b corresponding to the projections 73a, 73b are provided at predetermined positions between the two. It is provided.

[0033] Furthermore, cutouts 75a and 75b are provided at one end of the elastic sheet 7c. ing.

[0034] The ink film 70 having such a structure is shipped with the film portion already rolled up. The elastic sheet 7c is further rolled up so as to cover the outer periphery of the rolling-in side roll 7a. It can be packaged as a single roll.

[0035] Therefore, the shape of the packaging is different from that of the conventional ink film, which used two paper tubes. It can be made much smaller than.

[0036] Further, the ink film 70 of the present invention can be used for recording in a state as shown in FIG. It is implemented in the device (see Figure 3).

[0037] This state is achieved by rolling the elastic sheet 7c in the direction of arrow A in FIG. Then, fit the protrusion 73a into the perforation 74a and the protrusion 73b into the perforation 74b. This is what I entered.

[0038] Here, the wide portions of the projecting pieces 73a and 73b fit into the narrow holes of the perforated portions 74a and 74b, respectively. This prevents the elastic sheet 7c from returning to its flat surface.

[0039] As a result, the elastic sheet 7c is placed in the paper tube on the feeding side in the state shown in FIG. It maintains almost the same winding core shape as 71a.

[0040] Furthermore, when the elastic sheet 7c is shaped into a wound core shape in this way, the elastic sheet 7c The notches 75a and 75b of the sheet 7c are aligned in a straight line at a portion corresponding to the side surface of the winding core. will be placed in

[0041] In the state shown in FIG. 2, the ink film 70 is attached to the paper tube 71a on the feeding side. It can be incorporated into the feed-in roller 8a in the recording device shown in FIG. 3 by the conventional method. I can do that.

[0042] On the other hand, on the other end side of this ink film 70, an elastic sheet 7c is wound around the core shape. This is then used as a paper tube on the winding side and assembled into the winding roller 8b. can be included.

[0043] At this time, the notches 75a and 75b of the elastic sheet 7c are connected to the winding roller 8. It serves the function of engaging the drive mechanism of b.

[0044] In this way, when installing the ink film 7c into the recording device, the feeding roller 8a The ink film 7c is between the thermal head 1 and the winding roller 8b. and the platen roller 2, and further between the ink film guide 4 and the ink film guide 4. It is stretched via Lumguide 5.

[0045] Thereafter, in the recording device, the elastic sheet 7c forming the core shape is rolled up and rolled. The conventional ink film 7 is It is driven in the same way as the paper tube 71b on the winding side.

[0046] Then, as the ink film 7c is conveyed with this drive, the normal thermal Capable of performing transcription recording.

[0047]

[Effect of the idea]

As explained above, according to the ink film of the present invention, a small portion of the film portion An elastic sheet is extended to one end of both, and this elastic sheet is shaped and rolled as necessary. Because it has a structure that can be used as a core, for example, this elastic sheet can be used as an ink fibre. Packed by rolling it around the outside of the roll and shipping it as one roll. Not only can the envelope shape be made smaller, but the number of cores can be reduced by one, resulting in lower ink film. Cost reduction can be achieved.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an embodiment of an ink film according to the present invention.

FIG. 2 is a perspective view showing one mode of use of an ink film according to an embodiment of the present invention.

FIG. 3 is a conceptual diagram showing the main structure of a general thermal transfer recording device.

FIG. 4 is a perspective view showing one mode of use of this type of conventional ink film.

[Explanation of symbols]

1 Thermal head 2 Platen roller 3a, 3b, 3c, 3d, 3e Recording paper guide 4, 5 Ink film guide 6 Cutter 70 Ink film 7c Elastic sheet 71a Paper tube on the feeding side of the ink film 72 Pasting part 73a, 73b protrusion 74a, 74b perforation part 75a, 75b notch 7a Ink film feed-in side roll 7b Ink film winding side roll 8a Ink film feeding roller 8b Ink film take-up roller 9 Recording paper 10 Paper feed roller

Claims (5)

[Scope of utility model registration request] 1. In a roll-shaped ink film used as a thermal transfer recording medium of a thermal transfer recording device, at least one end of the film portion serving as the thermal transfer recording medium is optionally provided as a winding core of the film portion. An ink film characterized by an extended shapeable elastic sheet. 2. The ink film according to claim 1, wherein the elastic sheet is extended at the end of the film portion that is wound up during recording operation. 3. The elastic sheet has a shape maintaining mechanism that maintains the shape as the core, and the core-shaped elastic sheet is rotated by a corresponding core drive mechanism in the thermal transfer recording device. The ink film according to claim 1 or 2, further comprising an engagement mechanism that allows the ink film to be engaged. 4. The shape maintaining mechanism includes a protrusion provided at the tip of the elastic sheet and having a wide portion, and a protrusion that is bored at a predetermined position of the elastic sheet so that when the protrusion is fitted, the protrusion has a wide portion. 4. The ink film according to claim 3, further comprising a perforated portion that maintains the shape of the core of the elastic sheet by utilizing engagement with the perforated portion. 5. The engagement mechanism includes a notch provided in advance at a corresponding position in the elastic sheet so that the winding core driving mechanism can bite into the elastic sheet shaped into a winding core shape from one side thereof. 4. The ink film according to claim 3, wherein the ink film comprises: