JP2008036957A - Apparatus for manufacturing printed bag - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an apparatus for manufacturing printed bags which prints on sheet-like bag materials and forms bags from the materials. <P>SOLUTION: Sheet-like bag material 6 folded in a V shape is fed from a paper feeder 2, is transported on a sheet conveyor 9, is printed with an addressee and a sender in the printing part 7 of a printing and adhesive application device 3, goes through fixation part 12 where the prints are fixed, is reversed with a sheet reversing device 11, is printed with the classified information on the reversed surface again in printing part 7, is passed through a resin powder application part 8 where a resin powder for bonding is applied to the edges of the two sides (in the case of double-folded parallel two side binding) or three sides (in the case of double-folded hooked binding), goes through a fixation part 12 where the resin powder is fixed, is folded into a V shape in a sheet folding part 31, and is conveyed to a thermo-compression part 32 where the resin powder-applied area is bonded by thermo-compression to turn into a bag. The bag is discharged from a discharge part 33 and housed in a bag container device 5. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a printed bag making apparatus for performing desired printing on a sheet-like bag material and forming it into a bag shape.

Conventionally, when manufacturing various paper bags and various film bags, a large-sized apparatus is used to manufacture a large number of bags from a roll-shaped raw fabric. (For example, refer to Patent Document 1.)
The user generally purchases and uses various bags manufactured by such an apparatus for various purposes.

  For example, in a medicine bag, each pharmacy as a user purchases a paper bag of various shapes, and hand-prints individual information such as name for each patient on the bag or prints it with a printer. The name and usage of the medicine to be packaged are handwritten or printed by a printer and handed to the patient.

  In addition, for example, film bags for sorting and displaying various parts by type and size for each predetermined quantity, and wrapping them so that the contents can be seen, such as those found at the do-it-yourself shop, are also available. The article retailer purchases film bags of various shapes, writes individual information for each part to be packaged in the film bag on each label, and sticks the label to each bag for use. .

There has also been proposed a bag in which a film bag that is packaged so that the contents can be seen and passed to a partner is used as a medicine bag, and an ink receiving layer for inkjet printing is processed on the surface. (For example, see Patent Document 2.)
In addition, a method has been proposed in which toner is used as an adhesive for adhering the three-side periphery of the sheet when the upper sheet and the lower sheet are overlapped to form a bag. (For example, refer to Patent Document 3.)
JP 2000-203593 A (summary) Japanese Patent Laid-Open No. 11-227788 (Summary, FIG. 1) JP 2003-040278 (Abstract, FIGS. 1 and 3)

By the way, all of the above-mentioned patent documents 1 to 3 merely show a method for creating a bag, and no device is used to create the bag.
Aside from that, bags are generally purchased items, so when using, you must place an order for each type of bag (purpose of use) and size (shape) of the bag. .

  And it is necessary to store and manage inventory for each type and size. Further, in actual use, as described above, there is a problem in that it requires a complicated work for manually writing individual information or performing printing. In addition, there is a problem that it is expensive because it is a purchased item.

  The subject of this invention is providing the bag production apparatus with a printing which performs desired printing on a sheet-like bag material, and forms in a bag shape in view of the said conventional situation.

  The bag making apparatus of the present invention is a bag making apparatus with printing that performs desired printing on a sheet-like bag material and forms it into a bag shape, a printing unit that performs predetermined printing on the bag material, and the bag material The resin powder application unit that applies the resin powder to a predetermined portion of the sheet, and the printing is fixed to the bag material printed by the printing apparatus, and the resin powder is applied by the resin powder application apparatus. A fixing portion for fixing the resin powder to the bag material formed, a folding portion for folding the bag material fixed with the printing and the resin powder by the fixing portion into a predetermined shape, The resin powder of the portion to be bonded of the bag material folded in double by the bent portion is remelted with heat and pressure, and the portion to be bonded of the double folded bag material is bonded. And an adhesive portion to be configured.

  For example, the printing unit may be configured to include an electrophotographic toner image transfer unit, and the resin powder coating unit may be configured to include an electrophotographic powder adhesive transfer unit. May be.

Moreover, the said resin powder application part is comprised so that the said resin powder may be apply | coated to the opposite side surface of the printing surface by the said printing part of the said bag material, for example.
Moreover, you may comprise the said bag material so that it may consist of a transparent or translucent film. In this case, for example, the printing unit is printed with mirror characters, and the resin powder application unit is configured to apply the resin powder on the same side surface as the printing surface of the bag material by the printing unit. be able to.

Furthermore, in this case, the printing unit can be configured so that, for example, a part or the entire surface of the mirror character is solidly printed with a color different from the mirror character.
Moreover, in the bag making apparatus of the present invention, it is desirable that the adhesive portion is configured to perform heating and pressurization only on the application part of the resin powder of the bag material, for example.

The resin powder may use a printing toner.
Further, a perforation processing mechanism may be further provided, and the perforation processing mechanism may be configured to perform perforation processing at the boundary between the bonded portion and the non-bonded portion of the bag material.

  ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to provide the bag production apparatus with printing which performs desired printing on a sheet-like bag material, and forms in a bag shape.

Embodiments of the present invention will be described below with reference to the drawings.
(Embodiment 1)
FIG. 1 is a block diagram illustrating a configuration of a bag making apparatus according to the first embodiment. In the figure, a bag making apparatus 1 comprises, from right to left in the figure, a paper feeding device 2, a printing and adhesive application device 3, a bag completion device 4, and a finished bag storage device 5.

The sheet feeding device 2 accommodates a large number of sheet-like bag materials 6 that are preliminarily cut into sheet-like predetermined dimensions.
The printing and adhesive application device 3 includes a printing unit 7, a resin powder application unit 8, a sheet conveying unit 9, a sheet surface reversing device 11, and a fixing unit 12.

  The printing unit 7 includes three electrophotographic toner image forming apparatuses (hereinafter simply referred to as image forming apparatuses) 13 (13m, 13c, 13y), and includes a conveying belt 14 and a transfer roller of the sheet conveying unit 9. 15, a color image is formed on the sheet-like bag material 6 conveyed by the conveyance belt 14.

  That is, the image forming apparatus 13m forms a magenta color image using magenta toner. The image forming apparatus 13c forms a cyan toner image using cyan toner. The image forming apparatus 13y forms a yellow toner image using yellow toner. Then, these three color separation images are overlaid, and a full-color image is formed on the printing surface of the sheet-like bag material 6.

  The image forming apparatus 13 of the printing unit 7 is not limited to magenta, cyan, and yellow color printing, and the number may be increased or decreased depending on the type of printing color that is required. That is, only one image forming apparatus 13 may be used for monochrome printing.

  In addition, when it is necessary to print a finer gradation, two intermediate gradation colors such as light magenta and ride cyan are added, and a total of six image forming apparatuses 13 are arranged. It can also be done.

The printing unit 7 may be an inkjet image forming apparatus instead of the electrophotographic image forming apparatus 13 using toner.
Next, in the configuration of this example, the resin powder coating unit 8 includes a resin powder coating device 16 having the same configuration as the electrophotographic toner image forming device 13 described above. In the resin powder coating apparatus 16, resin powder having an adhesive function is used instead of toner.

However, since the toner also has an adhesive function, the same resin powder as that of the toner may be used, but in that case, it is preferable to use a light-colored toner.
Since the image forming apparatus 13 and the resin powder coating apparatus 16 have the same configuration except for the resin powder used, their configuration will be briefly described by taking the image forming apparatus 13y as a representative.

  The image forming apparatus 13y includes at least a powder hopper 17, a developing unit 18 provided below the developing unit 18, a developing roller 19 rotatably disposed in a lower end opening of the developing unit 18, and the developing roller. 19 and a photosensitive drum 21 arranged in contact with the conveying belt 14 of the sheet conveying section 9 and a recording head 22 arranged close to the upper peripheral surface of the photosensitive drum 21.

  The powder hopper 17 opens a lower supply port (not shown) and replenishes the developer 18 with toner when the toner (or resin powder, the same applies hereinafter) contained in the lower developer 18 falls below a predetermined amount. To do.

The developing roller 19 rotates while holding the toner in the developing unit 18 in a thin layer state on the peripheral surface thereof.
The photosensitive drum 21 is charged with, for example, a high minus potential by applying a predetermined charge to the peripheral surface potential by an initialization charger (not shown).

The recording head 22 exposes the peripheral surface of the photosensitive drum 21 charged to a high minus potential based on image forming information transmitted from a host device (not shown) to attenuate the potential.
As a result, an electrostatic latent image is formed on the peripheral surface of the photoconductor drum 21 with a high negative potential of initialization charge and a low negative potential attenuated by exposure.

  The photosensitive drum 21 rotates in the clockwise direction in the figure, and toner is transferred from the developing roller 19 to a low minus potential portion at a portion facing the developing roller 19. As a result, the toner image is developed at a low minus potential portion on the peripheral surface of the photosensitive drum 21 (in the case of reversal development).

  This toner image is transferred to the sheet-like bag material 6 conveyed as indicated by an arrow a by the conveying belt 14 of the sheet conveying unit 9 at the opposite portion between the photosensitive drum 21 and the transfer roller 15.

  The sheet-like bag material 6 is conveyed by the conveyance belt 14 as indicated by an arrow b, while the magenta toner image from the photosensitive drum 21 of the image forming apparatus 13m, the cyan toner image from the photosensitive drum 21 of the image forming apparatus 13c, In addition, the yellow toner image is sequentially transferred from the photosensitive drum 21 of the image forming apparatus 13y. At this time, the driving of the resin powder coating device 16 is stopped.

  The sheet-shaped bag material 6 having the full-color toner image formed on the printing surface after the three color separation toner images are transferred (overcoated) passes through the fixing unit 12. As a result, the full-color toner image transferred to the sheet-like bag material 6 is fixed to the sheet-like bag material 6.

  2 (a), 2 (b), and 2 (c) are diagrams showing the order of the bag making process for the double-folded saddle stitched sheet-like bag 6 (6a). (f) is a figure which shows the bag production process order of the sheet-like bag material 6 (6b) of a two-fold parallel two-sided binding.

  The internal medicine is put in the bag type column 25 on the surface which becomes the front side of the bag after being folded at the folding part B of the sheet-like bag material 6 (6a, 6b) shown in FIG. 2 (a) and FIG. 2 (d). An indication of “inner bag” indicating that it is a bag is printed.

  Further, in the patient name field 26 below the bag type field 25, the name of the patient “symbol XX” is printed. In the pharmacy name column 27 at the bottom, “◯ × pharmacy” of the pharmacy name that has adjusted the medicine to be put in the bag is printed.

  In addition, on the side that will be the back side of the bag after folding in half at the folding part B, in the medicine name column 28, as color, shape, symbol / name, efficacy, effect, usage, precautions as individual information about the medicine to be put in the bag Etc. are printed.

  Returning to FIG. 1, the sheet conveying unit 9 includes a driving roller 23 and a driven roller 24 that rotationally drive the conveying belt 14 described above. The conveying belt 14 is stretched between the driving roller 23 and the driven roller 24, and is driven by the driving roller 23 to circulate in the counterclockwise direction in the drawing.

  On the downstream side of the sheet conveying unit 9 and the fixing unit 12 in the sheet-shaped bag material conveying direction, the carry-in port of the sheet surface reversing device 11 described above is arranged. In the drawing, the entire configuration of the sheet surface reversing device 11 is not shown, but it is the same device as the paper reversing device of a general double-sided printing device.

The sheet-like bag material 6 on which the full-color toner image is formed on the printing surface and passes through the fixing unit 12 is sent out toward the carry-in port of the sheet surface reversing device 11 as indicated by an arrow c.
The sheet-like bag material 6 is carried into the main body portion of the sheet surface reversing device 11 as indicated by an arrow d, and after the sheet surface is reversed by the main body portion of the sheet surface reversing device 11, the arrows e, f, g, and h. As shown in FIG. 3, the sheet is fed back to the sheet conveying path of the sheet feeding device 2 and conveyed again downstream by the conveying belt 14 of the sheet conveying unit 9 with the opposite side of the printing surface facing upward.

  At the same time, the driving of the toner image forming device 13 of the printing unit 7 is stopped, and the driving of the resin powder coating device 16 of the resin powder coating unit 8 is started. Then, the resin powder coating device 16 transfers (applies) the resin powder to a predetermined portion of the sheet-like bag material 6 that is transported on the transport belt 14 as indicated by an arrow b, that is, an adhesive portion.

As shown in FIG. 2 (b) or FIG. 2 (e), the resin powder is applied to a predetermined portion on the opposite side of the printing surface of the sheet-like bag material 6 (6a, 6b) by the above process.
In other words, in the case of the sheet-like bag material 6a with the double fold type binding shown in FIG. 2 (b), the resin powder 29 is formed on the edge of the three sides excluding the upper side that becomes the opening of the bag after the bag is completed. Is applied (fixed).

  In addition, in the case of the sheet-like bag material 6b with two-fold parallel two-sided binding shown in FIG. 2 (e), it is formed on the edges of the left and right sides excluding the upper and lower sides that become the opening of the bag after the bag creation is completed. The resin powder 29 is applied (fixed). The application of the resin powder 29 is easily realized by the same control as in the case of the printing process by the printing unit 7 from a control unit (not shown).

  Returning to FIG. 1 again, the sheet-like bag material 6 (6a, 6b) to which the printing and the resin powder are fixed as shown in FIGS. 2 (a), 2 (b) or (d), (e), It is discharged downstream from the printing and adhesive application device 3.

  Thereafter, in this example, the sheet-like bag material 6 discharged from the printing and adhesive application device 3 is immediately carried into the bag completion device 4. The bag completion device 4 is provided with a sheet folding part 31, a crimping part 32, and a discharge part 33.

  In the printing and adhesive application apparatus 3 of FIG. 1, the sheet-like bag material 6 conveyed and discharged as indicated by an arrow j is carried into the bag completion apparatus 4, and then in the sheet folding section 31, as shown in FIG. Alternatively, it is valley-folded at the folding part B shown in FIG. 2 (e) and folded in half as shown in FIG. 2 (c) or FIG. 2 (f).

2 (a) to 2 (f) is conveyed in the same direction as the arrow j in FIG. e).
The sheet-like bag material 6a or 6b folded in half as shown in FIG. 2 (b) or FIG. 2 (e) is subjected to heat and pressure applied to the application part of the resin powder 29 in the crimping part 32 of FIG. The resin powder 29 is remelted and re-fixed, and the application portion of the resin powder 29 of the folded sheet-like bag 6 is bonded and fixed.

After the application part of the resin powder 29 is pressure-bonded by the pressure-bonding part 32, a bag made of the sheet-like bag material 6a or 6b is completed. The completed bags are sequentially stored in the bag storage device 5.
As described above, according to this embodiment, printing and application of adhesive (resin powder) are performed on plain paper using the same apparatus, and folding and fixing of the adhesive portion are continuously performed. Therefore, it is easy to make a bag from plain paper, and a bag can be made on demand.

(Embodiment 2)
FIG. 3 is a block diagram illustrating a configuration of the bag making apparatus according to the second embodiment. In FIG. 3, the same components as those in FIG. 1 are denoted by the same reference numerals as those in FIG.

  The bag creating apparatus 30 in this example shown in FIG. 3 is a dedicated bag creating apparatus for creating a bag with a transparent or translucent sheet-like bag material 34. Accordingly, the bag making device 30 does not have the sheet surface reversing device 11 as shown in FIG. The reason will be described below.

In the bag making apparatus 30 of this example, the sheet-like bag material 34 fed from the paper feeding device 2 to the printing and adhesive application device 3 is a transparent or translucent sheet as described above.
4 (a), 4 (b), and 4 (c) are diagrams showing the order of the bag creation process, taking the case of the above-described folding or folding of the transparent or translucent sheet-like bag material 34 as an example.

  First, in FIG. 3, in the printing and adhesive application device 3, the printing unit 7 performs monochrome or full color printing on the sheet-like bag material 34 conveyed by the sheet conveying unit 9 as indicated by an arrow k.

  In printing in the printing unit 7, as shown in FIG. 4 (a), printing is performed with mirror characters. That is, on the right side surface that becomes the front side material of the bag after being folded in half at the folding part B (becomes the bag inner surface on the front side of the bag after being folded in two), The display of “inner bag” is mirror-printed.

  The patient name field 26 below the bag type field 25 is mirror-printed with the patient name “Mr. △ × □□”, and the pharmacy name field 27 at the bottom is the name of the pharmacy that adjusted the medicine to be put in the bag. Is a mirror-printed “○ × Pharmacy”.

  In addition, on the left side which becomes the back side material of the bag after folding in half at the folding part B (after the two folds, the inner surface of the bag on the back side of the bag), in the medicine name column 28, the color, shape, Individual information such as symbols / names, effects, effects, usage, and precautions are mirror-printed.

  Returning to FIG. 3, the sheet conveying unit 9 continues conveying the sheet-shaped bag material 34 by the above-described conveying belt 14 as indicated by an arrow m. When the sheet-like bag material 34 comes to the transfer portion of the resin powder application portion 8, the resin powder application portion 8 applies the resin powder 29 on the same side as the printing surface of the printing portion 7 of the sheet-like bag material 34. To do.

  That is, as shown in FIG. 4 (b), on the surface on the same side as the mirror-printed printing surface of the sheet-like bag material 34 of the double-folded saddle stitch, it becomes an opening portion of the bag after the bag creation is completed. Resin powder 29 is applied (fixed) to the edges of the three sides excluding the upper side.

  Thereafter, in FIG. 3, a transparent or translucent sheet-like bag material in which the mirror surface printing of the bag type column 25, the patient name column 26, the pharmacy name column 27, and the drug name column 28 and the resin powder 29 are fixed. As indicated by an arrow n, 34 is discharged downstream from the printing and adhesive application device 3 and carried into the bag completion device 4.

  The bag completion device 4 is provided with a sheet folding part 31, a crimping part 32, and a discharge part 33. After the sheet-like bag material 34 is carried into the bag completion device 4, it is valley-folded at the folding portion B shown in FIGS. 4 (a) and 4 (b) in the sheet folding portion 31, and the result is shown in FIG. 4 (c). Folded as shown.

  Thus, in the folded state, the sheet-like bag material 34 has the mirror surface characters in the bag type column 25, the patient name column 26, the pharmacy name column 27, and the drug name column 28 mirror-printed on the back surface of the bag. A transparent or translucent bag is visible as a normal character through the front side of the bag. And the mirror surface character of the medicine name column 28 mirror-printed on the back side of the bag is seen through as a mirror surface character through the transparent or translucent bag front side.

  In other words, from the front side of the bag, the specular characters printed on the back side of the bag (surface inside the bag) appear as normal characters, and the specular characters printed on the back side of the bag (surface inside the bag) show through as they are as mirror characters. . From the back side of the bag, the mirror character printed on the back side of the bag (the surface inside the bag) appears as a normal character, and the mirror character printed on the back side of the bag (the surface inside the bag) shows through as a mirror character as it is. It will be.

  In this way, the characters that are mirror-printed on the back of the bag material on the front side of the bag look like normal characters when viewed from the outside of the bag, and the characters that are mirror-printed on the back of the bag material on the side of the bag are from the outside of the bag. Looking through the front side of the bag, it will show through as a mirror character.

  However, when it is completed as a bag and the contents are put inside the bag, the mirror print on the back side of the bag material on the side opposite to the bag becomes invisible and the contents become invisible. Only the mirror print is reversed and looks like normal characters, so there is no inconvenience for the patient who receives the contents packed in the bag.

  In this way, the sheet-shaped bag material 34 folded in half as shown in FIG. 4C is subjected to heat and pressure applied to the application part of the resin powder 29 in the crimping part 32 of FIG. Is re-melted and re-fixed, and the application part of the resin powder 29 of the folded sheet-like bag material 34 is bonded and fixed. Thereby, the bag which consists of the sheet-like bag material 34 is completed. The completed bags are sequentially stored in the bag storage device 5.

  As described above, according to the second embodiment, by using a transparent or translucent sheet-like bag material, printing and resin powder adhesive application are performed in a single conveyance process of the sheet-like bag material. Since it can be performed continuously, the bag creation time is shortened to almost half, and the work efficiency is improved.

  In addition, before putting the contents in the completed bag, as described above, printing that looks like a normal character printed on the back side of the front side of the bag and a mirror character that is printed on the back side of the opposite side and can be seen through the surface Appears to be mixed, so there is a risk that it will seem annoying at the pharmacy handling the bag before putting the contents.

  In such a case, it is preferable to control the printing unit 7 so that a part or the entire surface around the mirror character is solidly printed with a color different from the mirror character. If it does so, the part which can be seen through as an ordinary character of a mirror character will become conspicuous in other colors of a solid print, and the mirror character of the back side of the opposite side will be obstructed by the solid print part of the back side of this side, and will become inconspicuous. Therefore, even if it is a bag before putting the contents, the troublesomeness before handling is eliminated.

  In addition, even when a transparent or translucent bag is made so that the contents can be seen in this way, when it is desired to avoid direct contact of the printing ink with the contents, it is shown in FIG. 1 and FIG. What is necessary is just to use the bag production apparatus 1 with the sheet surface inversion apparatus.

  In this example, the material and thickness of the transparent or translucent sheet-like bag material are not specified, but depending on various conditions such as toner fixing property, heat resistance, transportability, and hardness, a polyester film or the like is appropriately used. Selected.

Moreover, about the shape of the bag completed, the thing of the magnitude | size of a free shape is producible with the magnitude | size of a sheet-like bag material similarly to the case of 1st Embodiment.
Further, in the configuration of the bag making apparatus of this example, the surface treatment such as coating for improving the fixability of the printed portion on the film-like sheet-like bag material can be performed only by arranging the coating apparatus on the upstream side of the printing unit 7. It is possible to process only on one side through a single conveying step.

  In addition, in Embodiment 1 or 2 mentioned above, the crimping | compression-bonding part 32 is a heat pressure press system. In any of the embodiments, in the above configuration, only the resin powder application portion is configured to be heated and pressurized, so that the toner of the already fixed printed portion is offset to the opposite surface. It is possible to avoid the troubled phenomenon.

  The press device in the crimping part 32 is not particularly shown in the figure, but automatically detects the size of the sheet-like bag material and automatically corrects the press position according to the width of the folded sheet. Yes.

  In addition, when the configuration of the printing unit 7 is a configuration that performs ink jet printing, the device for bonding the resin powder coating unit is a heat roller type pressure bonding device that heats and pressurizes the entire surface. Also good.

  In addition, the folding method at the time of making the bag is a two-fold saddle stitch binding (applying resin powder on three sides) as shown in FIG. 2 (c) or FIG. 4 (c), and a parallel folding as shown in FIG. 2 (f). Although two-sided binding (resin powder coated on two sides) is shown, rather than the two-sided parallel two-sided binding shown in Fig. 2 (f), the bottom of the bag is not an adhesive structure. It can be said that it is excellent in strength because of the folded structure.

In addition, since the bag can be created with the same apparatus together with printing, the handling effort is greatly simplified, which is convenient. Moreover, it is convenient that a bag of a desired size can be freely created.
In any of the embodiments, the bag is described as a medicine bag. However, the present invention is not limited to this, and it is needless to say that the bag may be used for packaging other than medicine.

(Embodiment 3)
5A and 5B are diagrams illustrating the configuration and operation of a roller-type pressure-bonding portion according to the third embodiment. This example is applied to the case of bi-fold parallel two-sided binding (resin powder is applied on two sides).

  As shown in FIG. 5 (a), the pressure-bonding portion 32 in this example includes two heat / pressure rollers 35. The two heat / pressure rollers 35 are fitted on a roller support cylinder 36 and are rotatably supported by a support shaft 37 via the roller support cylinder 36. At both ends of the support shaft 37, spring stop tubes 38 are externally fitted and fixed.

  In addition, on both end sides of the support shaft 37, a helical spring 39 having a pressing force is fitted on the support shaft 37, and between the outer end portion of the roller support tube 36 and the inner end portion of the spring stop tube 38. Is intervened.

  And the rotation free end of rotation shaft 41 (41a, 41b) is contact | abutting from the inner side to the inner end part of the roller support cylinder 36. FIG. The rotation fulcrum of the rotation shaft 41 is integrally attached to the rotation shafts of the two gears 42 (42a, 42b) that mesh with each other.

  Thereby, when one gear 42 (for example, 42a) rotates in the clockwise direction, the other gear 42 (for example, 42b) rotates in the counterclockwise direction. That is, the rotating shaft 41 (41a, 41b) rotates in the opening / closing direction (both forward and reverse directions).

  As a result, when the two rotation shafts 41 are rotated to open, the two heat / pressure rollers 35 are moved in the laterally outward direction in the figure against the urging force of the spiral spring 39. Further, when the two rotating shafts 41 are rotated in the closing direction, the two heat / pressure rollers 35 are moved in the left-right inner direction in the drawing by the urging force of the spiral spring 39.

  The movement of the two heat / pressure rollers 35 in the left / right outer side or the inner side direction is automatically detected by a detection device (not shown), and the control unit receives the recognition result, and either of them is detected. This is executed by rotationally driving the gear 42 in either the forward or reverse direction.

  In the case of the wide sheet-like bag 43a shown in FIG. 5 (a), for example, the gear 42a is rotationally driven in the clockwise direction, and the gear 42b is rotated in the counterclockwise direction following this. Thereby, the rotating shafts 41a and 41b are rotated so as to open outward, and only the resin powder application portions on both sides of the wide sheet-like bag material 43a are thermocompression bonded.

  In the case of the narrow sheet-like bag 43b shown in FIG. 5 (b), for example, the gear 42a is driven to rotate in the counterclockwise direction, and the gear 42b is rotated in the clockwise direction following this. Accordingly, the rotation shafts 41a and 41b are rotated so as to be closed inward, and only the resin powder application portions on both sides of the narrow sheet-like bag material 43b are thermocompression bonded.

As described above, even in the configuration of the roller-type pressure-bonding portion, it is possible to automatically recognize the size of the sheet-like bag material and control to pressurize and heat only the resin powder application portion of the left stone. .
(Embodiment 4)
FIGS. 6A to 6D are diagrams illustrating an example in the case of creating a bag in which confidential information is printed on the inner surface in Embodiment 4 and sealed in a sealed letter.

FIG. 4A shows the first surface of the folded folded (V-folded) sealed letter bag 44 before sealing (before bonding), and FIG. 4B shows the second surface.
The first surface is a portion where the folded portion C is a mountain fold, and the address of the recipient of the sealed letter bag 44 is printed on the left side surface of the folded portion C as “○ Mura □”. On the second side, the folded portion C becomes a valley fold, and on this side, the amount of the reserve money, which is confidential information, is “¥ 1” in a frame surrounded by a square below the “payment pension” print. , 000,000 ".

  Resin powder 29 is applied to the edges of the four sides around the second surface. By folding the folding part C into a valley fold and thermocompression bonding at the crimping part 32, the second surface on which the confidential information is printed is sealed in a bag shape.

  In this example, perforations 45 are processed at the boundary between the portion where the resin powder 29 is applied and the portion where the resin powder 29 is not applied. The perforation 45 is processed at the same time when the sealed bag 44 is thermocompression bonded at the crimping portion 32.

The recipient of the sealed letter bag 44 can tear the circumference of the sealed letter bag 44 along the perforation 45 with a fingertip and open the inside without using a pinch or the like.
FIG. 6 (c) shows the first surface of the folded (Z-fold) sealed letter bag 46 before sealing (before bonding), and FIG. 6 (d) shows the second surface. . In addition, the folding of the sealed letter bag 46 can be performed using a normal paper folding machine. In general, a tri-folder can also serve as a double fold.

  The first surface shown in FIG. 6 (c) is a portion where the fold portion D1 is a mountain fold and the fold portion D2 is a valley fold, and on the left side surface of the fold portion D1 is the addressee of the recipient of this sealed letter bag 46. Is printed as “* Mura * ro”. On the right side of the fold D1, the wide surface centered on the fold D2 is displayed in a frame enclosed by a square below the “payment pension” print, and the amount of the reserve, which is confidential information, is “¥ 1,000,000 ".

Resin powder 29 is applied to the four sides of the wide surface centering on the valley-folded portion D2 of the first surface with a predetermined width from the edge.
On the second surface, the folding portion D1 is a valley fold, the folding portion D2 is a mountain fold, and a wide surface centering on the folding portion D1 of the folding portion D2 is a square below the printing of “notice”. The contents of “notification” which is confidential information (not shown in the figure) are described in the enclosed frame.

  Resin powder 29 is applied to the edges of the four sides around the second surface. By folding the folding part C into a valley fold and thermocompression bonding at the crimping part 32, the second surface on which the confidential information is printed is sealed in a bag shape.

The resin powder 29 is applied to the wide surface centering on the valley-folded fold D1 of the second surface with a predetermined width from the edges of the four sides.
Further, perforations 45 are processed at a boundary portion between the portion where the resin powder 29 is applied and the portion where the resin powder 29 is not applied.

  The recipient of the sealed letter bag 46 tears the circumference of the sealed letter bag 46 along the perforation 45 with his fingertips without using a pinch or the like, and sees the unfolded amount of money on the front and back and the confidential information of the notice. I can do it.

  Although the above embodiment has been described using a sheet-like sheet as the bag material, the bag material is not limited to this, for example, a sheet wound in a roll shape, and a printing and adhesive application device 3 may be provided with a cutting machine to cut a roll-shaped sheet into a desired size.

  Further, when the roll sheet is a transparent or translucent material, and the mirror surface printing and the adhesive application are performed on the same surface, the last position of the printing and adhesive application device 3 or the bag finishing device 4 A cutting machine may be provided at the foremost position to cut the roll sheet into a desired size.

It is a block diagram which shows the structure of the bag production apparatus in Embodiment 1. FIG. (a), (b), (c) is a diagram showing the order of the bag forming process of the sheet-like bag material 6a with two-fold saddle stitching, and (d), (e), (f) are two-fold parallel two-way binding. It is a figure which shows the bag production process order of this sheet-like bag material 6b. It is a block diagram which shows the structure of the bag production apparatus in Embodiment 2. (a), (b), (c) is a figure which shows the order of a bag production process for the case of the double fold type | mold binding of a transparent or semi-transparent sheet-like bag material. (a), (b) is a figure explaining the structure and operation | movement of the roller-type crimping | compression-bonding part in Embodiment 3. FIG. (a)-(d) is a figure which shows the example in the case of producing the bag by which confidential information was printed on the internal surface in Embodiment 4, and was sealed by the letter.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bag preparation apparatus 2 Paper feeding apparatus 3 Printing and adhesive application apparatus 4 Bag completion apparatus 5 Bag accommodation apparatus 6 Sheet-like bag material 7 Printing part 8 Resin powder application part 9 Sheet conveyance part 11 Sheet surface inversion apparatus 12 Fixing part 13 (13m, 13c, 13y) Toner image forming device 14 Conveying belt 15 Transfer roller 16 Resin powder coating device 17 Powder hopper 18 Developer 19 Developing roller 21 Photosensitive drum 22 Recording head 23 Drive roller 24 Driven roller 25 Bag type column 26 Patient Name Field 27 Pharmacy Name Field 28 Drug Name Field 29 Resin Powder 31 Sheet Folded Part 32 Crimping Part 33 Discharge Part 34 Transparent or Translucent Sheet-like Bag Material 35 Heat / Pressure Roller 36 Roller Support Tube 37 Support Shaft 38 Spring Stop tube 39 Spiral spring 41 (41a, 41b) Rotating shaft 42 (42a, 42b) Gear 43a, 43b Sheet-like bag material 44 Bi-fold (V-fold) sealed letter bag 45 Perforation 46 Tri-fold (Z-fold) sealed letter bag

Claims (10)

A bag making apparatus with printing that performs desired printing on a sheet-like bag material and forms it into a bag shape,
A printing section for performing predetermined printing on the bag material;
A resin powder application portion for applying resin powder to a predetermined portion of the bag material;
A fixing unit that fixes the printing on the bag material printed by the printing device, and fixes the resin powder on the bag material coated with the resin powder by the resin powder coating device;
A bent portion for folding the bag material fixed with the printing and the resin powder by the fixing portion into a predetermined shape;
The resin powder of the portion to be bonded of the bag material folded twice by the bent portion is remelted by heat and pressure, and the portion to be bonded of the bag material folded twice is formed. An adhesive part to be bonded;
A bag making apparatus comprising:   The bag creating apparatus according to claim 1, wherein the printing unit includes an electrophotographic toner image transfer unit.   2. The bag making apparatus according to claim 1, wherein the resin powder application unit is composed of an electrophotographic powder adhesive transfer unit.   The bag making apparatus according to claim 1, wherein the resin powder application unit applies the resin powder to a side surface opposite to a printing surface of the bag material by the printing unit.   The bag making apparatus according to claim 1, wherein the bag material is made of a transparent or translucent film.   The said printing part prints by a mirror character, and the said resin powder application part apply | coats the said resin powder to the same side surface as the printing surface by the said printing part of the said bag material. The bag making apparatus described.   The bag creating apparatus according to claim 6, wherein the printing unit performs solid printing on a part or the entire surface around the mirror character with a color different from the mirror character.   The bag making apparatus according to claim 1, wherein the adhesive portion heats and pressurizes only the application part of the resin powder of the bag material.   The bag making apparatus according to claim 1, wherein the resin powder is a printing toner.   The bag making apparatus according to claim 1, further comprising a perforation processing mechanism, wherein the perforation processing mechanism performs perforation processing at a boundary between an adhesion portion and a non-adhesion portion of the bag material.