JPH09123555A - Bobbin and cassette for transfer film - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable to easily remove the transfer film wound on a body along the axial direction by so providing a slit as to split the body of a bobbin for the film along the axial direction. SOLUTION: The bobbin for winding a transfer film F used in a thermal transfer printer comprises a hollow body 11, and an end material 12 of the one end of the body 11, wherein a slit 13 is so provided as to split the body 11 along the axial direction. A groove 12a is also provided at the position corresponding to the slit 13 at the inside of the member 12. To fix the end of the film F to be wound to the bobbin, the ends of the film are so inserted as to pass both the slits 13, and then the film F is wound to retain the end part. At the time of removing the film after winding, a bar-like extruding implement 14 is passed through the groove 12a, and moved along the slit 13 to remove the film F from the body 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bobbin for winding a belt-shaped transfer film used in a thermal transfer printer such as a thermal fusion transfer and a thermal sublimation transfer, and a cassette using the bobbin.

[0002]

Generally, a transfer film (film coated with ink) used in a thermal transfer printer is supplied in a state of being wound on a pair of bobbins on the unwinding side and the winding side. . Further, in order to simplify the handling, it is also supplied in the form of a cassette in which a pair of bobbins wound with a transfer film are housed in a case. Then, the transfer film after the image recording is separated from the unwinding side bobbin and wound on the winding side bobbin, but conventionally, the used transfer film was discarded together with the bobbin. However, if the transfer film is discarded while being wound on the bobbin as described above, it is not preferable from the viewpoint of environmental problems or from the viewpoint of recycling. Recently, it is necessary to separate the two and dispose of them, or to reuse the bobbin. Is desired.

The present invention has been made in view of the above-mentioned problems and backgrounds. The purpose of the present invention is to make it possible to separately dispose of used transfer films and to reuse them. Another object of the present invention is to provide a transfer film bobbin and a cassette using the same.

[0004]

In order to achieve the above object, the transfer film bobbin of the present invention is constructed so that the transfer film wound around the body can be removed along the axial direction. Use as a summary. Further, the cassette of the present invention is configured by using the transfer film bobbin having the above-mentioned configuration as the bobbin on the winding side.

[0005]

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

FIG. 1 shows an embodiment of a transfer film bobbin according to the present invention. This bobbin 10 comprises a hollow body 11 for winding a transfer film and an end member 12 at one end thereof. That is, the body portion 11 is provided with the slit 13 so as to be divided into two along the axial direction. A groove 12 a is provided inside the end member 12 at a position corresponding to the slit 13.

This bobbin 10 is used as a bobbin on the winding side. To fix the tip of the transfer film wound on the unwinding side bobbin to the bobbin 10, insert the tip of the transfer film from one slit 13 and let it out from the other slit 13, and then wind the transfer film a little. It is good to hold down the protruding tip. Alternatively, an end member made of a non-flexible material may be linearly attached to the front end of the transfer film, and the end member may be inserted into the slit 13 and then slightly wound and fixed.
This transfer film fixing operation is the same for the winding side bobbin stored in the cassette and the winding side bobbin set in the printer. Then, when the image recording is performed and the transfer film is finished, as shown in FIG.
The used transfer film F has been wound up in the end, but as shown in FIG. 3, the rod-shaped push-out tool 14 is passed through the groove 12a of the end member 12, and the push-out tool 14 is cut into the slit 1a.
The transfer film F can be pulled out from the body portion 11 by moving the transfer film F along the line 3.

When the transfer film F is wound around the end member 12 with a space, the pushing tool 14 can be passed through the slit 13 without providing the end member 12 with the groove 12a. Alternatively, the push-out tool 14 may be set on the bobbin 10 in advance so as to pass through the groove 12a or in a state of penetrating the slit 13. In this case, it is necessary not only to prevent it from interfering with the printer, but also to prevent it from coming off and to make it slidable along the axial direction.

The bobbin 20 of the embodiment shown in FIG.
Similar to the bobbin 10 of FIG. 1, it comprises a body portion 21 and an end member 22 at one end thereof, but a slit 23 is provided so as to divide the solid body portion 21 into two along the axial direction.
A groove 22a through which an extruding tool for extracting the transfer film is inserted is provided inside the end member 22, but if the groove 22a easily bends in the direction of the arrow in the figure due to the material or the like, the transfer is performed without using the extruding tool. Since the film can be taken out, the groove 22a is not particularly required.

The bobbin 30 of the embodiment shown in FIG.
Like the bobbin 10 of FIG. 1, it is composed of a body portion 31 and an end member 32 at one end thereof. The body portion 31 is provided with a slit 33 so as to be divided into two along the axial direction, and along the slit 33. A travelable knob-shaped push-out tool 34 is provided. That is, the push-out tool 34 is provided facing the end member 32 corresponding to the slit 33,
The convex portion 34a is fitted in the groove 33a formed in the slit 33. In this bobbin 30, by sliding both pushing tools 34 along the slits 33, the wound transfer film can be taken out. Such an integral pusher may be attached to the solid bobbin 20 shown in FIG.

The bobbin 40 of the embodiment shown in FIG.
A hollow body 41 and an end member 42 at one end thereof,
The body portion 41 is provided with a slit 43 so as to be divided into two along the axial direction, and a plurality of axial grooves 41a are formed on the outer periphery of the body portion 41. In this bobbin 40, there is little friction between the wound transfer film and the outer peripheral surface of the body 41, and the body 41 is slightly bent, so that the transfer film can be pulled by hand without using an extrusion tool. Can be removed. Of course, an extruding tool which is a separate member may be used, or an integral extruding tool as shown in FIG. 5 may be attached. In some cases, the body 4
1 does not have to be hollow

The bobbin 50 of the embodiment shown in FIG.
A hollow body 51 and an end member 52 at one end thereof,
The body part is provided with one slit 53 along the axial direction, and the body part 5 can be slid along the slit 53.
1 is provided with a belt-shaped member 54 having a shape slightly bulging toward the outside. In this bobbin 50, since the band-shaped member 54 is pulled out while the transfer film is wound up, a gap is created between the body portion 51 and the transfer film, so that the transfer film can be easily pulled out. When using the belt-shaped member 54 having a small bulge, it is preferable to provide a plurality of slits 53 and the belt-shaped member 54. Further, the body portion 51 does not have to be hollow.

The bobbin 60 of the embodiment shown in FIG.
Half of the hollow body 61 has an end member 62, and each body 61 has a notch 63 engaged with each other on the opposite side of the end member 62. The protrusions 64 are provided at two places. Further, each body portion 61 is provided with a slit 65 so that the notch 63 and the protrusion 64 are fitted to each other and are connected to each other so as to divide the body portion 61 into two. The bobbin 60 is used in a connected state, but the front end of the transfer film is fixed by using the slit 65 connected at the time of connection, and after the transfer film on which printing has been finished is wound up, the fitting portion is removed to remove the body portion. 61 to 2
The transfer film can be easily removed by dividing the transfer film. The bobbin 60 of this type has a body 61.
Does not have to be hollow.

The bobbin 70 of the embodiment shown in FIG.
Half of the hollow body 71 has an end member 72, and each body 71 has a female screw 73 and a male screw 74 that mesh with each other on the opposite side of the end member 72. Is equipped with. Further, each body portion 71 is provided with a slit 75 so that the female screw 73 and the male screw 74 are screwed together and connected to each other so that the body portion 71 is divided into two. The bobbin 70 is also used in a connected state, but the front end of the transfer film is fixed by using the slit 75 connected at the time of connection, and after the transfer film on which printing has been completed is wound up, the screw at the connecting portion is removed to remove the cylinder. By dividing the portion 71 into two, the transfer film can be easily removed.
It should be noted that in this screw type bobbin 70 as well, the body portion 71 need not be hollow.

The bobbin 80 of the embodiment shown in FIG.
Is composed of two members and is not hollow.
One half has end members 82, and each body 8
1 includes a concave portion 83 and a convex portion 84, which are fitted to each other on the opposite side of the end member 82. The concave portion 83 and the convex portion 8
4 is formed in a tapered shape to facilitate insertion, and is provided with an appropriate taper so that it can be firmly fixed. Further, the concave portion 83 and the convex portion 84 are provided with a rotation preventing groove 83a and a protrusion 84a, respectively.
Further, each body 81 is provided with a slit 85 so that when the projection 84 is inserted into the recess 83 and the two are connected, they are connected to divide the body 81 into two. This bobbin 80 is also used in a connected state, but the front end of the transfer film is fixed by using the slit 85 connected at the time of connection, and after the transfer film on which printing has been completed is wound up, the insertion portion is removed and the body portion 81 is formed. By dividing into two, the transfer film can be easily removed.

[0016]

As described above, according to the bobbin of the present invention, since the transfer film wound on the body can be removed along the axial direction, it can be used as a winding side bobbin to be stored in a cassette, or It can be used as a bobbin on the take-up side to be set in the printer.By removing the take-up transfer film after image recording from the bobbin, the bobbin and transfer film can be separated and discarded, and the bobbin can be reused. You can also

[Brief description of the drawings]

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

FIG. 2 is a perspective view showing a state where a transfer film is wound around the bobbin shown in FIG.

FIG. 3 is a perspective view showing how a transfer film is pulled out from a bobbin.

FIG. 4 is a perspective view showing a transfer film bobbin according to another embodiment.

5A and 5B are diagrams showing a transfer film bobbin according to another embodiment, wherein FIG. 5A is a perspective view and FIG. 5B is a side view of FIG.

FIG. 6 is a perspective view showing a transfer film bobbin according to another embodiment.

FIG. 7 is a perspective view showing a transfer film bobbin according to another embodiment.

FIG. 8 is a perspective view showing a transfer film bobbin of another embodiment.

FIG. 9 is a perspective view showing a transfer film bobbin of another embodiment.

FIG. 10 is a perspective view showing a transfer film bobbin according to another embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... Transfer film bobbin, 11 ... Body part, 12 ... End member, 12a ... Groove, 13 ... Slit, 14 ... Extrusion tool 20 ... Transfer film bobbin, 21 ... Body part, 22 ... End member, 22a ... Groove, 23 ... Slit 30 ... Transfer film bobbin, 31 ... Body, 32 ... End member, 33 ... Slit, 34 ... Extrusion tool 40 ... Transfer film bobbin, 41 ... Body, 41a ... Axial groove, 42 ... End Member, 43 ... Slit 50 ... Transfer film bobbin, 51 ... Body part, 52 ... End member, 53 ... Slit, 54 ... Band member 60 ... Transfer film bobbin, 61 ... Body part, 62 ... End member, 63 ... Notch , 64 ... Protrusion, 65 ... Slit 70 ... Transfer film bobbin, 71 ... Body part, 72 ... End member, 73 ... Female screw, 74 ... Male screw, 75 ... Slit 80 ... Transfer film bobbin, 81 ... Body part, 8 2 ... End member, 83 ... Recessed portion, 84 ... Convex portion, 85 ... Slit

Claims (7)

[Claims] 1. A transfer film bobbin capable of removing a transfer film wound around a body along an axial direction. 2. A transfer film bobbin comprising a body for winding the transfer film and an end member at one end thereof, wherein a slit is provided so as to divide the body in two along the axial direction. Bobbin for transfer film. 3. The transfer film bobbin according to claim 2, wherein an extruding tool that passes through the slit is integrally provided. 4. The transfer film bobbin according to claim 2, wherein a plurality of axial grooves are formed on the outer periphery of the body portion. 5. A bobbin for a transfer film comprising a body for winding up a transfer film and an end member at one end thereof, wherein at least one slit along the axial direction is provided in the body, and along the slit. A bobbin for a transfer film, which is provided with a belt-shaped member which is slidable and bulges slightly toward the outside of the body. 6. A transfer film bobbin comprising a body for winding a transfer film and end members at both ends of the body, and a slit provided so as to divide the body in two along the axial direction. A bobbin for transfer film, wherein the body is configured to be divided into two in the middle of the axial direction. 7. A transfer film bobbin according to any one of claims 1 to 6 in a cassette containing a winding-side bobbin wound with a transfer film and a winding-side bobbin. A cassette characterized by being used.