JP2975458B2 - Thermosensitive recording tape cartridge for printing tape output device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cartridge containing a thermosensitive coloring recording tape for a printing tape output device for forming a desired print on a tape-shaped recording medium.

[0002]

2. Description of the Related Art Recently, a simple print tape output device for forming a desired print on a tape-shaped recording medium has been used to display a file title, an audio cassette tape or a video tape title. ing. In this printing tape output device (lettering making device), a thermal transfer recording medium is used to form a print, and as shown in FIG. A signal is given as thermal energy to transfer the ink component on the thermal transfer recording medium 22 to the transparent film 23, and to form a print 26 which is reversed when viewed from the thermal head side, and then the print on the transparent film 23 is formed. The printed tape is formed by attaching the double-sided adhesive tape 24 to the opposite side. Accordingly, as shown in FIG. 3, the tape formed by the conventional printing tape output device includes a transparent film 33 on which a print 36 is formed, and a double-sided film affixed to the surface of the transparent film 33 on which the print is formed. The double-sided adhesive tape 34 has a structure in which an adhesive layer 37, a core 38, an adhesive layer 37, and a release paper 39 are laminated in this order.

A tape on which a print is formed by such a conventional print tape output device includes a transparent film 33, a print 3
6, it is necessary that the adhesive layer 37, the core material 38, the adhesive layer 37 and the release paper 39 have a structure laminated in this order, therefore, the tape used in this printing tape output device As shown in FIG. 2, the cartridge contains at least three types of tapes: a wound transparent film 23, a wound thermal transfer recording medium 22, and a wound double-sided adhesive tape 24. And the mechanism of the tape cartridge becomes very complicated, and the manufacturing process becomes very complicated.

[0004]

SUMMARY OF THE INVENTION The present invention is directed to a heat-sensitive color developing type having a layer (heat-sensitive color forming layer) which develops a color by applying heat energy, unlike a heat-sensitive transfer type tape conventionally used in a printing tape output device. It is an object of the present invention to provide a tape cartridge containing a tape-shaped recording medium.

[0005]

SUMMARY OF THE INVENTION A heat-sensitive coloring recording tape cartridge for a printing tape output device according to the present invention accommodates a wound heat-sensitive coloring recording tape, the heat-sensitive coloring recording tape, and the thermal-sensitive coloring recording tape and the thermal head contact each other. A heat-sensitive recording tape cartridge comprising: a contact portion for contacting the thermal head; and a box having a tape outlet for sending out a thermosensitive recording tape on which a normal image print is formed, as viewed from the thermal head side, The heat-sensitive coloring recording tape is a heat-sensitive coloring recording tape in which a heat-sensitive coloring portion, which forms a normal image by forming a color in response to heat energy applied from a thermal head, a base material and an adhesive portion, are arranged in this order. Yes, the thermosensitive coloring portion, a thermosensitive coloring layer provided on one surface of the substrate, and a transparent protective layer provided on the thermosensitive coloring layer, Adhesive portion is characterized in that it consists of an adhesive layer coloring layer of the base material is provided on the surface not provided, a release paper disposed on the adhesive layer.

[0006] The tape of the present invention has a thermosensitive coloring layer, and instead of transferring the print to the tape, the tape itself forms a color to form a print. Therefore, the layer structure of the tape housed in the cartridge of the present invention is simplified.
Then, the structure of the cartridge of the present invention containing the tape is simplified.

[0007]

DETAILED DESCRIPTION OF THE INVENTION Next, the present invention will be described in detail with reference to an embodiment of a cartridge containing the thermosensitive coloring recording tape of the present invention.

FIG. 1 shows an example of a cross-sectional structure of a thermosensitive recording tape accommodated in a cartridge of the present invention. The thermosensitive coloring recording tape used in the present invention has a thermosensitive coloring part.
1, the base material 2 and the adhesive part 3 have a structure arranged in this order. The heat-sensitive coloring section 1 is provided on one surface of the base material 2, and is a heat-sensitive coloring layer 5 laminated on the base material 2 and a transparent protective layer laminated on the heat-sensitive coloring layer 5 to form an outermost layer. Four
Consists of The adhesive portion 3 includes an adhesive layer 6 laminated on the surface of the base material 2 on which the thermosensitive colorant layer 5 is not provided, and a release paper 7 laminated on the adhesive layer 6.

The heat-sensitive coloring layer 5 is a layer that forms a color in accordance with the thermal energy applied by the thermal head from above the transparent protective layer 4 and forms a normal image print 8 when viewed from the side where the thermal head is disposed. is there.

The thermosensitive coloring layer may be any layer containing a component which develops a color in response to the thermal energy applied by the thermal head. In the present invention, the thermosensitive coloring layer containing a leuco dye and the thermosensitive coloring layer containing a diazo compound are particularly preferred. The layer is preferably any one of a coloring layer and a thermosensitive coloring layer containing a chelate compound.

The thermosensitive coloring layer containing a leuco dye is a layer containing a leuco dye, a developer, a sensitizer and other auxiliaries. Examples of leuco dyes include triphenylmethane compounds such as 3,3-bis (p-dimethylaminophenyl) -6-dimethylaminophthalide, and 3,7-bis (dimethylamino)
Phenothiazine compounds such as -10-benzoylphenothiazine and fluoran compounds can be mentioned.

These leuco dyes can be used alone or in combination. The above-mentioned leuco dye develops a color by opening a lactone ring by a proton supplied from a developer. The compound usually used as a developer is a compound having at least one phenolic hydroxyl group, and has a melting point of 50 to 200 ° C, preferably 100 to 1 ° C.
Compounds in the range of 70 ° C. are easy to use. Examples of such compounds include bisphenol A and benzyl p-oxybenzoate.

By adding a sensitizer to the thermosensitive coloring layer containing the leuco dye, the rate of the thermosensitive coloring reaction between the leuco dye and the developer can be increased. Examples of the sensitizer used here include stearic acid amide, behenic acid amide, 1-hydroxy-2-naphthoic acid phenyl ester, dibenzyl oxalate, benzyl terephthalate, phenyl p-toluenesulfonate, p-benzyl Biphenyl and diphenyl carbonate can be mentioned. These sensitizers can be used alone or in combination.

The diazo compound-containing thermosensitive coloring layer contains a diazo compound and a coupler, and in the presence of a basic compound,
The diazo compound and the coupler are layers that react and react with heat energy applied from a thermal head to form a color.

In the thermosensitive coloring layer containing a diazo compound,
At room temperature, the diazo compound, the coupler and the basic compound are present in isolation, respectively. When heat is applied, these components come into contact instantaneously and react to form a color.

The heat-sensitive coloring layer containing a chelate compound comprises a metal salt of a higher fatty acid such as ferric stearate and a complex-forming component such as a tannic acid derivative and a gallic acid derivative (eg, dodecyl ester, stearyl ester, etc.). This is a layer that forms a print by utilizing the color development due to the reaction with.

The above-described thermosensitive coloring component is usually dispersed in a binder such as a thermoplastic resin to form a thermosensitive coloring layer. Further, the heat-sensitive coloring layer as described above further contains a surfactant, an antifoaming agent, an inorganic pigment and waxes, and an ultraviolet absorber, an antioxidant and a stabilizer for improving image storability. can do. The amount of the component forming the thermosensitive coloring layer can be appropriately set in consideration of the type of the component to be mixed and the like.

The thermosensitive coloring layer 5 is provided on one surface of the substrate 2. As the substrate 2, paper; synthetic paper, a resin film such as a polyester film (eg, a polyethylene terephthalate film) and a polyolefin film; or a flexible film such as a metal foil such as aluminum foil can be used. The resin film used here may be a transparent film, or may be a film made opaque by blending a filler or a pigment, for example. Also, the flexible film may be colored.
Further, the resin film may be a stretched film,
When the resin film is a stretched film, any of a uniaxially stretched film and a biaxially stretched film can be used. Further, a composite film in which paper or metal foil is coated with a resin, a laminated film in which a plurality of resin films having different properties are laminated, and the like can be used.

The thickness of the substrate 2 can be appropriately set in consideration of the type of the flexible film to be used and the like, but is usually 5 to 150 μm, preferably 20 to 5 μm.
It is in the range of 0 μm.

The thermosensitive coloring layer 5 is formed by applying a component for forming the thermosensitive coloring layer on the substrate 2 by using a known coating method such as a blade coating method, and then applying a surface treatment using a super calender or the like. Can be formed by smoothing. Note that the thermosensitive coloring layer 5 can be formed by directly applying on the base material 2 or by providing an adhesive layer (not shown) on the base material 2 and forming the adhesive layer. it can.

The thickness of the thermosensitive coloring layer thus formed on the substrate 2 is usually in the range of 0.1 to 50 μm, preferably 0.5 to 20 μm. The thermosensitive coloring recording tape housed in the cartridge of the present invention has the transparent protective layer 4 on the thermosensitive coloring layer 5 provided on one surface of the base material 2 as described above. The transparent protective layer 4 is formed from a transparent resin. This resin is a thermoplastic resin,
Either thermosetting resin or UV-curable resin can be used. As the resin used here, a resin that does not melt even by instantaneous heating from a thermal head and has heat resistance that does not cause deterioration, deformation, discoloration, or the like is preferably used. By using these resins, a transparent protective layer having a uniform thickness can be easily prepared. Further, by providing such a protective layer, the tape has excellent abrasion resistance and moisture resistance.

The transparent protective layer 5 may be a single layer,
It may be a multilayer. Further, the transparent protective layer 4 can also be formed by producing a film of the above-mentioned thermoplastic resin in advance and affixing the film on the thermosensitive coloring layer 5.

For example, the thickness of the transparent protective layer 4 arranged as described above is usually 1 to 50 μm, preferably 5 to 50 μm.
It is in the range of 20 μm. The total thickness of the heat-sensitive coloring portion 1 having the transparent protective layer 4 and the heat-sensitive coloring layer 5 and the substrate 2 is usually 1.1 to 100 μm, preferably 5.5 to 5.5 μm.
It is in the range of 40 μm.

The adhesive layer 6 and the release paper 7 are provided on the other surface of the substrate 2 on which the heat-sensitive coloring portion 1 is disposed on one surface (the surface on which the heat-sensitive coloring layer 1 is not disposed) as described above. Adhesive part consisting of
Three are provided.

The adhesive portion 3 includes an adhesive layer 6 provided on the surface of the base material 2 on which the heat-sensitive coloring portion 1 is not provided, and a release paper 7 disposed on the adhesive layer 6. Is formed from. Here, there is no particular limitation on the adhesive component forming the adhesive layer 6, and an adhesive such as an acrylic adhesive, a rubber adhesive, a silicone adhesive, and a urethane adhesive which are usually used for adhesive tape adhesion. Sexual ingredients can be used. The adhesive layer 6 may have a single-layer structure containing an adhesive component, or may have a multilayer structure in which, for example, an adhesive component is applied to both surfaces of a core material. Further, a pigment or the like can be dispersed in the adhesive to serve as a colorant layer and an adhesive layer.

The thickness of the adhesive layer 6 is usually 10 to 1
00 μm, preferably in the range of 15 to 40 μm.
There is no particular need to provide another layer between the adhesive layer 6 and the base material 2, for example, a colorant layer for coloring a thermosensitive recording tape, a concealment for improving the concealing power of the tape. It is also possible to provide an agent layer and the like.

The release paper 7 has a component (for example, a releasable component such as a silicone resin) that facilitates separation between the adhesive layer 6 and the release paper 7 applied to the surface that comes into contact with the adhesive layer 6. Things.

The heat-sensitive coloring recording tape on which a print is formed by the printing tape output device is peeled off the release paper 7 and attached. In addition, the tape width of the thermosensitive coloring recording tape can be appropriately set according to the printing tape output device to be used, but there are some restrictions on the size of the printing tape output device in consideration of operability, Usually 5-50m
m, preferably in the range of 5 to 20 mm.

This thermosensitive coloring recording tape is wound and stored in a cartridge so that it can be loaded into a printing tape output device with one touch. As shown in FIG. 4, the thermosensitive coloring recording tape cartridge of the present invention basically comprises a wound thermosensitive coloring recording tape 41 and a box 45.

Here, the thermosensitive coloring recording tape 41 is the tape described above. The box 45 stores the thermosensitive coloring recording tape 41 wound around a reel or a hub (not shown). The box 45 has a contact portion 43 for contact between the thermosensitive coloring recording tape 41 and the thermal head 42.
Is provided. Usually, this contact portion 43 forms a concave portion. The wound thermosensitive coloring recording tape 41 is guided to the concave portion 43 which is a contact portion by a guide pole 46 or the like. This recess
Reference numeral 43 denotes a portion where the thermal coloring recording tape 41 and the thermal head 42 come into contact with each other. The thermal head 42 is usually mounted on the thermosensitive recording tape from the transparent protective layer side of the thermosensitive recording tape 41.
Touch 41. When the thermal head 42 and the heat-sensitive coloring recording tape 41 come into contact with each other in the concave portion 43, printing is formed in accordance with the thermal energy applied from the thermal head. The thermosensitive coloring recording tape 41 on which the print is formed is fed by a feed roll 47 which is linked to the driving means of the printing tape output device.
The tape is sent in the direction of the tape discharge port 44. A partial cross section of the thermosensitive coloring recording tape 41 of the present invention on which printing has been formed in this manner is shown in an enlarged circle in FIG. That is, the transparent protective layer
Prints 8 are formed on the thermosensitive coloring layer 5 in correspondence with the thermal energy applied by the thermal head 42 from above, while the portions 9 where no thermal energy is applied do not develop color. In this figure, 2 is a base material, 6 is an adhesive layer, and 7 is a release paper. The print 8 formed by applying thermal energy to the thermosensitive coloring recording tape 41 from the transparent protective layer 4 side with the thermal head 42 as described above is a normal image print when viewed from the position where the thermal head 42 is arranged. .

The cartridge of the present invention is provided with a tape outlet 44 for feeding out the thermosensitive coloring recording tape 41. The outlet 44 usually has a slit-like shape such that the tape can be sent out. This outlet
From 44, the thermosensitive recording tape 41 on which the normal image printing is formed is discharged.

The box body 45 having the above structure can be formed of various materials, but is usually a resin molded body. In addition, in addition to the above, as shown in FIG. 5, the cartridge of the present invention is wound around a tape 51 in which a base material and a coloring portion are laminated and housed in a box body 55, and is separately bonded thereto. After the double-sided adhesive tape 58 forming the agent portion is wound and housed, and after the thermal head 52 and the tape 51 come into contact with each other, two pieces of the double-sided adhesive tape 58 are attached to the base material side of the tape. The form which stored the winding tape may be sufficient. In this case, when the base material and the transparent protective layer are formed of the same resin, the base material 2 and the transparent protective layer 4 have the same configuration. The contact may be made from either the material side or the transparent protective layer side.

Further, the tape 51 and the double-sided adhesive tape 58 may be attached before the tape 51 comes into contact with the thermal head 52.

[0034]

The heat-sensitive coloring recording tape cartridge for a print tape output device of the present invention differs from the heat-sensitive transfer type tape used in the conventional cartridge in that the tape responds to the heat energy applied from the thermal head. It contains a thermosensitive coloring tape that develops its own color.

The cartridge containing such a thermosensitive recording tape has a very simple structure due to the thermosensitive coloring property of the thermosensitive recording tape.
That is, since the conventional tape is a heat-sensitive transfer type, it is necessary to store a large number of wound tapes in a cartridge. While the process is complicated, the cartridge of the present invention has one or two wound tapes, and the structure is very simple, so that troubles hardly occur and the manufacturing is easy. is there. Further, since the number of wound tapes is one or two, the length of the tape accommodated in a cartridge having the same volume becomes longer, and the frequency of replacement of the cartridge can be reduced. In particular, the cartridge having a single wound tape accommodated therein has a large effect.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing an example of a cross-sectional shape of a thermosensitive coloring recording tape used in a cartridge of the present invention.

FIG. 2 is a view conceptually showing a printing method employed in a conventional printing tape output device using a thermal transfer type tape.

FIG. 3 is a cross-sectional view showing a cross-sectional shape of a conventional thermal transfer printing tape.

FIG. 4 is a sectional view conceptually showing an example of a thermosensitive coloring recording tape cartridge of the present invention.

FIG. 5 is a sectional view conceptually showing another example of the thermosensitive coloring recording tape cartridge of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Thermal coloring part 2 ... Base material 3 ... Adhesive part 4 ... Transparent protective layer 5 ... Thermosensitive coloring layer 6, 37 ... Adhesive layer 7, 39 ... Peeling Paper 21, 42, 52 ... Thermal head 22 ... Thermal transfer recording medium 23, 33 ... Transparent film 24, 34, 58 ... Double-sided adhesive tape 26, 36 ... Printing 38 ... Core Material 41: Thermal coloring recording tape 42: Thermal head 43: Recess 44: Tape outlet 45: Box 46: Guide pole 47: Feed roll 51: Base Tape with laminated material and color-developed part 52 Thermal head 58 Double-sided adhesive tape

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-3-297679 (JP, A) JP-A-1-80457 (JP, U) JP-A-2-54547 (JP, U) JP-A-2,545 148358 (JP, U) Japanese Utility Model 2-58957 (JP, U) (58) Field surveyed (Int. Cl. ⁶ , DB name) B41J 32/00 B41J 31/00

Claims (2)

(57) [Claims] 1. A wound thermosensitive color recording tape, a contact portion for accommodating the thermosensitive color recording tape and contacting the thermosensitive color recording tape with a thermal head, and a normal image printing by contacting the thermal head. A thermosensitive coloring recording tape cartridge comprising a box having a tape outlet for sending out the thermosensitive coloring recording tape formed with the thermosensitive coloring recording tape, wherein the thermosensitive coloring recording tape develops a color corresponding to the thermal energy applied from the thermal head. A thermosensitive coloring recording tape in which a thermosensitive coloring portion for forming a normal image print, a base material and an adhesive portion are arranged in this order, wherein the thermosensitive coloring portion is provided on one surface of the base material. And a transparent protective layer provided on the thermosensitive coloring layer, wherein the adhesive portion is provided on a surface of the base material on which the thermosensitive coloring layer is not provided, and the adhesive layer Arranged on A thermosensitive coloring recording tape cartridge for a printing tape output device, comprising a release paper placed thereon. 2. A printing tape comprising a base material, a thermosensitive coloring layer and a transparent protective layer, and an adhesive tape comprising an adhesive layer and a release paper are individually wound as a thermosensitive recording tape. Before or after contacting the thermal head, the printing tape and the adhesive tape wound so that the printing tape and the adhesive tape are laminated are arranged in a box body. A thermosensitive coloring recording tape cartridge for a printing tape output device according to claim 1.