JP2002029546A - Cartridge-type bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cartridge-type bag for seal-packaging a viscous liquid such as ink to be mounted whole on a printer or the like for use wherein an empty bag is not bulky, air does not enter the bag during use, little residual of the ink or the like remains after use, and the bag is excellent in economy and disposability as well as usability. SOLUTION: The cartridge-type bag 100 is formed of a laminate film bag having a plastic pour-out port 20 which can be opened/closed joined with a part of an upper portion and a cover film 15 to be mounted to cover an outer periphery of a barrel of the bag. In addition, the cover film 15 is stuck to a wall face film on both front and rear of the bag in such a form that adhesive regions 16 of a predetermined length and non-adhesive regions 17 of a predetermined length are alternately arranged in at least a longitudinal direction of the bag.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cartridge-type bag, for example, in a state of being filled with ink to supply liquid or viscous ink to an office printing machine, an information output printer, or the like. The present invention relates to a cartridge-type bag suitable for use by directly attaching to a printer, an information output printer, or the like. This cartridge-type bag is also suitable as a bag for suctioning and removing liquid and viscous substances other than ink.

[0002]

2. Description of the Related Art Conventionally, printing machines used in offices and the like,
In addition, information supply printers and the like mainly employ a cartridge-type ink container which is attached to a printing apparatus and used together with the container in terms of simplicity of handling when supplying ink. In such a cartridge type container, particularly when the ink to be filled is a liquid or viscous ink, the ink in the container does not come into contact with air during use,
In addition, it is preferable that the amount of ink finally remaining in the container can be reduced.For example, in accordance with the reduction in the amount of ink due to suction and discharge, the container is also reduced in volume by folding, shrinking, narrowing, and the like. The configuration is such that air is prevented from flowing into the ink, and the ink is easily sucked and discharged, so that the amount of remaining ink can be reduced.

[0003] As such a cartridge type container, for example, a flexible deep drawing container made of a laminated film or the like is provided in a small outer box such as a decorative cardboard, an opening of a plastic tray-like container provided with a spout. There is a cartridge type container equipped with an inner container formed by joining. In this case, when the ink filled in the inner container is sucked and discharged from the spout, the inner container is made flexible according to the weight loss. The volume of a deep drawn container is reduced by being sucked and depressed toward the plastic tray-shaped container, thereby preventing the inflow of air and reducing the amount of ink remaining.

[0004] In a bag-in-box (BIB) format, an inner bag with a plastic spout is mounted in a small outer box such as a cardboard box, and an inner bag is inserted from the side where the spout is mounted. There is a cartridge type container of a type that is attached to the inner surface of the outer box up to about half the length of the cartridge. In this case, the bottom side of the inner bag is gradually sucked and drawn into the spout portion in accordance with the reduction in the amount of the ink filled in the inner bag, whereby the volume of the inner bag is reduced, and air inside the inside is reduced. The ink can be sucked and discharged so as to reduce the residual ink while preventing the inflow.

[0005]

Although such a cartridge-type container is almost satisfactory in terms of simplicity of attachment to a printing device and the like, and functions during use, any of the above-mentioned cartridge-type containers requires an outer box and an inner container or inner bag. Due to the double structure, the ratio of container cost to the product is relatively high, and the container is bulky, so that after the container is manufactured, for example, the efficiency of storage and transportation until ink filling, and furthermore, the disposal treatment after use There was a problem in terms of volume reduction at the time.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has as its object the following.
For example, a cartridge-type bag in which ink such as a viscous liquid is hermetically packaged, and which can be used by being attached to a printing apparatus as a container at the time of use, which can simplify the structure, reduce costs, and make the empty bag bulky. It has good storage and transportation efficiency, can reduce the volume when disposing after use, has good ink preservation, is easy to attach to a printing device, and can prevent air from entering the bag during use. It is an object of the present invention to provide a cartridge-type bag which is excellent in performance, suitability for use, economy, disposal property and the like, in which the amount of ink remaining in the bag after use is reduced.

[0007]

The above objects can be attained by the present invention described below. That is, the invention described in claim 1 is a laminated film bag provided with an openable / closable spout made of a plastic molded body at an upper edge portion, and an outer periphery of a body portion provided outside the bag. A cartridge-type bag formed of a cover film attached so as to cover the bag film, wherein the cover film is attached to a wall film on both front and rear sides of the bag, at least in a length direction of the bag, and an adhesive portion having a predetermined length. The cartridge-type bag is characterized in that non-adhesive portions of a predetermined length are adhered in an alternately arranged shape.

By adopting such a configuration, the cartridge-type bag of the present invention is provided with a decorative cardboard or the like on the outside of a laminated film bag provided with an openable / closable spout at the upper edge. Is not used, only the cover film covers the outer periphery of the body of the bag, and
The empty bag is folded because the adhesive film having a predetermined length and the non-adhesive portion having a predetermined length are alternately adhered to the wall film on both the front and rear sides of the bag in the length direction thereof. It can be kept in a closed state, is not bulky, has good storage and transportation efficiency, and can be reduced in volume when disposed after use. In addition, the bag has a plastic spout that can be opened and closed, so it can be used not only as a spout for ink and other contents, but also as an injection port, making it easy to attach to a printing machine. Can be done.

[0009] The bag filled with ink swells into a cylindrical shape or the like to form a three-dimensional shape, and the bonded portion of the cover film has increased rigidity and becomes hard, but the non-bonded portion remains flexible. Become. Therefore, when the bag is mounted on the printing press and used, the ink is sucked and discharged from the spout, so that the bag has a hardened wall surface film of the bonded portion remaining outside according to the amount of the ink, The flexible non-adhesive wall film is gradually drawn into the ring inside,
Eventually, the bellows shape is obtained. Accordingly, no air flows into the interior to the end, the ink is supplied in a stable state, and the ink can be effectively used so that the residual amount of the ink is reduced.

[0010] According to the invention described in claim 2, the cover film is formed such that an adhesive portion having a predetermined width and a non-adhesive portion having a predetermined width are also provided on the wall films on both front and rear sides of the bag in the width direction of the bag. 2. The cartridge-type bag according to claim 1, wherein the bag is bonded in an alternately arranged shape.

By adopting such a configuration, in addition to the operation and effect of the invention described in the first aspect, the cover films on the front and rear sides are provided not only on the wall films on both sides but also in the length direction of the bag. Also in the width direction, it becomes a shape adhered by adhesive parts of a predetermined length and width arranged with a gap between non-adhesive parts of a predetermined length and width, so the wall film and cover film on both front and rear sides of the bag Between them, a void is formed by a plurality of non-adhesive portions also in the length direction of the bag. Therefore, when the cartridge-type bag filled with the ink is mounted on the printing press, the gap can be inserted into, for example, a bar-shaped support disposed on the printing press side. By mounting in this manner, during use, the bag is held in a state of being spread at regular intervals, and can be slid in the length direction and contracted, so that the bag is more reliably folded in the bellows shape. The ink can be shrunk and the amount of remaining ink is small, so that it can be used effectively.

[0012] In the invention described in claim 3, the cover film is arranged such that adhesive portions and non-adhesive portions are alternately arranged from the upper portion to the lower portion of the bag in the longitudinal direction of the bag, and the lowermost portion is formed. The cartridge-type bag according to claim 1 or 2, wherein the cartridge-type bag is provided in a region ending with an adhesive portion and leaving a length corresponding to a non-adhesive portion thereunder.

By adopting such a configuration, in addition to the function and effect of the invention described in claim 1 or 2, a cover film is provided in a region corresponding to the non-adhesive portion on the bottom side surface of the bag. Because it is not provided, when using a cartridge type bag filled with ink in a printing machine, the bottom part is more easily drawn inside by suction and discharge of ink,
No ink remains at the bottom, and the amount of ink remaining can be further reduced.

According to a fourth aspect of the present invention, there is provided an adhesive pattern for adhering the cover film to the front and rear wall films of the bag, that is, an adhesive portion having a predetermined length and a non-adhesive portion having a predetermined length. Is the length of the bonded portion is a,
When the length of the non-adhesive portion is b, a ≧ b ≧ a / 2, and the length b of the non-adhesive portion is such that the bag is filled with contents and the bag spreads in the front-rear direction. The cartridge-type bag according to any one of claims 1 to 3, wherein the cartridge-type bag is adhered by an adhesive pattern satisfying b≤c, where c is the passing length of the maximum spread portion.

As described above, the cartridge-type bag of the present invention is, for example, filled with ink, mounted on a printing machine, and when the ink is sucked and discharged, the bag shrinks in a bellows shape. This prevents air from entering the inside and reduces the amount of remaining ink. Therefore, the bellows shape is preferably formed as tightly and tightly as possible, and for that purpose, the length a of the bonded portion and the length b of the non-bonded portion, and the maximum spread portion of the bag are determined. It is more preferable that the relationship of the passing length c is as described above. For example, when the length b of the non-adhesive portion is larger than the crossing length c of the maximum spread portion of the bag, the films drawn in a bellows collide with each other inside, so that the bag is shrunk into a regular bellows shape. It is not preferable because it cannot be done. Further, when the relationship between the length a of the bonded portion and the length b of the non-bonded portion is out of the above range, the bellows shape is too deep or too dense, or too shallow or too sparse. Therefore, the effect of reducing the residual amount of the ink is reduced, which is not preferable.

Therefore, by adopting the above configuration, in addition to the functions and effects of the invention according to any one of claims 1 to 3, when a cartridge type bag filled with ink is used in a printing machine. By suction and discharge of the ink, the film of the low-rigidity non-adhesive part of the body of the bag is drawn inward to an appropriate depth, respectively, and the bag shrinks while forming an orderly bellows shape. And the ink can be effectively used so that the residual amount of the ink is reduced.

According to a fifth aspect of the present invention, in the bag made of a laminated film, at least the upper part of the upper part and the lower part of the bag is folded inward between the upper part of the front and rear two wall films. It is formed in a form having a gusset part which is inserted, and one of the gusset parts before and after the gusset part is heat-sealed with a seal pattern in which the inside is concave from both sides to the center part. ,
The other pleated portion is provided with protrusions on the upper portion thereof by extending the films on both sides, that is, the wall film and the upper surface film opposed thereto, and both end portions of the pleated portion including the protrusions are provided. An edge portion is heat-sealed to a shape extending from the base of the fold portion to an upper side of the protrusion, and an openable spout made of a plastic molded body is provided at an upper edge of the protrusion. The cartridge-type bag according to any one of claims 1 to 4, wherein the bag is formed.

By adopting such a configuration, at least the upper part of the cartridge type bag is formed in a gusset type using an upper surface film, in addition to the operation and effect of the invention described in any one of the above-mentioned claims 1 to 4. Therefore, the bag filled with the ink greatly expands in the upper portion in a tubular shape, and the shape of the upper portion is firmly maintained by the rigidity of the cover film and the bonding portion thereof. Therefore, even when the cartridge-type bag is used by mounting it on a printing machine, the upper portion of the bag does not squeeze and block, and the bag gradually shrinks into a bellows shape as the amount of ink is reduced, until the end. The ink can be sucked and discharged so that air does not flow into the inside and the residual amount of ink is reduced.

Further, not only the upper part but also the lower part of the bag may be formed in the form of a gusset by inserting a bottom film. In this case, the whole body of the bag spreads cylindrically and the lower gusset is formed. The bag is self-supported by heat-sealing it with a ship bottom-shaped seal pattern in which the inside is depressed from both sides toward the center, and the shape of the bottom is also improved. When using the filled ink, the form stability is improved, and according to the reduction of the ink, the bellows shape is formed more orderly, the bag shrinks, and air does not flow into the interior to the end, and The ink can be sucked and discharged so as to reduce the residual amount of the ink.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The laminated film used for the cartridge-type bag of the present invention, the cover film adhered to the outside of the bag, the material of the spout and the like, and the manufacturing method of the cartridge-type bag are described below. An embodiment will be described. First, the laminated film used for the cartridge-type bag of the present invention is mainly a plastic-based laminated film, but is not particularly limited, and is a known laminated film used for a packaging bag for contents such as liquid. Any of the films can be used, and a laminated film having an appropriate configuration can be appropriately selected and used according to the components of the ink to be filled. As a typical example of the configuration of such a laminated film, the following configuration is given.

(1) ON film / adhesive / L·LDPE
Film (sealant layer) (2) ON film / adhesive / biaxially stretched HDPE film / adhesive / L / LDPE film (sealant layer) (3) ON film / adhesive / biaxially stretched PP film / adhesive / L・ LDPE film (sealant layer) (4) ON film (silica or alumina or aluminum deposited layer) / adhesive / biaxially stretched HDPE film / adhesive / L ・ LDPE film (sealant layer) (5) ON film (silica or Alumina or aluminum deposited layer) / adhesive / biaxially oriented PP film / adhesive /
L / LDPE film (sealant layer) (6) ON film / adhesive / aluminum foil / adhesive /
L / LDPE film (sealant layer) (7) ON film / anchor coat layer / co-extrusion coat layer (HDPE layer / L / LDPE layer) (sealant layer is L / LDPE layer) (8) ON film / anchor coat layer / Co-extrusion coat layer (HDPE layer / EVOH layer / L-LDPE layer) (Sealant layer is L-LDPE layer) (9) PET film / adhesive / ON film / adhesive /
L · LDPE film (sealant layer) (10) PET film (silica or alumina or aluminum deposited layer) / adhesive / ON film / adhesive / LL
DPE film (sealant layer) (11) PET film / adhesive / ON film / adhesive /
Aluminum foil / adhesive / L-LDPE film (sealant layer) (12) PET film / adhesive / EVOH film / adhesive / ON film / adhesive / L-LDPE film (sealant layer) However, the present invention is not limited to this, and laminated films having various structures can be used.

In the above construction, the ON film is a biaxially stretched nylon film, L / LDPE is a linear low-density polyethylene, HDPE is a high-density polyethylene, LDPE is a low-density polyethylene, a PP film is a polypropylene film, and a PET film is biaxial. Stretched polyethylene terephthalate film, EVOH, refers to saponified ethylene-vinyl acetate copolymer. In addition, the anchor coat is a kind of primer coat that is previously coated on the base film side in order to improve adhesiveness when laminating a resin by extrusion coating.

In the construction of the above-mentioned laminated film, ON
Films and PET films are used as base films to impart mechanical strength and printability to bags, and to provide biaxially stretched HD
The PE film and the biaxially oriented PP film are laminated to improve the mechanical strength and the steam barrier property. And silica or alumina or aluminum vapor deposition layer, aluminum foil, EVOH layer, EVOH film, etc., are mainly laminated to improve gas barrier properties, except for EVOH layer, EVOH film,
The steam barrier property can also be improved. By laminating these layers on the intermediate layer, the storage stability of the contents can be improved.

As the sealant layer, L·LDP
Although only the example of the E film is given, the L / LDPE film is excellent in heat sealing stability and content resistance, for example, stress cracking resistance to surfactants, water resistance, and the like. Suitable for packaging, etc.

In addition to the above, the sealant layer may be made of polypropylene, ethylene / α-olefin copolymer, ethylene / vinyl acetate copolymer, ethylene / acrylic acid copolymer, depending on the components of the ink to be filled and the material of the spout. A combination, an ethylene / acrylate copolymer, an ionomer, a polyester resin, and the like can also be appropriately selected and used.

In particular, an ethylene / α-olefin copolymer obtained by polymerization using a single-site catalyst such as a metallocene catalyst has a narrow molecular weight distribution and a stable copolymerization ratio, so that the low-temperature heat sealability and It is excellent in hot sealing property, and for example, as in the cartridge type bag of the invention described in claim 5, the film overlaps with the heat sealing section, such as between the gusset section and the side sealing section of the body section. It is suitable for bags with steps due to the difference in height, and for the sealant layer of bags in which a spout made of plastic molding is joined to the inner surface of the bag by thermal bonding, because pinholes due to missing seals can be prevented. ing. Further, by using the copolymer blended with an olefin-based elastomer, the heat fluidity of the sealant layer is improved, and the occurrence of pinholes due to the step or the like can be more effectively prevented.

Further, the spout made of a plastic molded body attached to the cartridge type bag of the present invention is such that the adhesive base is inserted between the films on both sides of the upper edge of the bag, and the sealant layer of the bag is formed. It is preferable to perform thermal bonding using a thermo-sealing head or an ultrasonic sealing method using a heat seal head because of good productivity and excellent bonding performance. The spout itself can be easily manufactured by, for example, injection molding of plastic, and its shape may be a two-piece type in which the spout and the cap are separately molded. It may be a one-piece type integrally formed through a thin portion.

Such a spout may have a shape in which an obstruction preventing rib (a bar-shaped rib having a cross section of a cross shape) is provided below the adhesive base, so that the ink remains more reliably. The amount can be reduced. When the spout is of the two-piece type, for example, after joining the spout to the bag, the contents are filled from the opening of the spout, and before the cap is closed, the opening is made of a laminated film. The sealing material can be thermally sealed so as to be securely sealed. The material of the spout is preferably heat-bondable with the sealant layer of the bag. For example, polypropylene, polyethylene of medium density or high density, polyester, etc. can be used.

Next, the cover film to be adhered in a pattern form to the outside of the bag is not particularly limited, but its rigidity is preferably higher than that of the laminated film used for the bag. Anything that can be adhered to the outside can be used. For example, the thickness may be increased in the same configuration as the laminated film of the bag,
In addition, polypropylene or a single or composite film of plastic such as polyethylene terephthalate may be used.
Further, it may be a simple substance such as paper or synthetic paper, a processed paper having a plastic film laminated on the surface thereof, a resin-impregnated paper, or the like. The method of attaching such a cover film to the surface of the bag may be, for example, bonded using an adhesive such as a hot melt adhesive, or a part coat agent, or a heat-sensitive adhesive such as a heat sealant. Necessary portions may be coated in a pattern in advance and then thermally bonded.

A method for manufacturing the cartridge-type bag of the present invention, which is manufactured using the above-described laminated film, spout, cover film, etc., will be described. In the cartridge type bag of the present invention, the type of the bag itself as the main body is not particularly limited. For example, a pillow type (the position of the back seal portion is either left or right so as not to overlap with the joining position of the spout port). It is preferable to use a gusset pouch (see FIGS. 3 and 4) in addition to a three-sided seal type, a four-sided seal type, and a tube type, as well as a modified gusset pouch type provided with a gusset portion at an upper portion or an upper portion and a lower portion. Any type of bag can be used.

In the case of a pillow type, a three-side seal type, a four-side seal type, etc., such a bag can be manufactured using an existing bag-making machine. Further, in the case of a modified gusset pouch type in which gusset portions are provided on the upper portion or on the upper and lower portions, for example, a conventional bag making machine for a standing pouch may be provided with an upper surface film supply device, a heat sealing device thereof, and a trimming device. Bags can be easily manufactured by adding the above. For example, when extending one of the gusset portions of the upper gusset portion of the bag to provide a protrusion and attaching a spout to that portion, the fold portion on the side where the protrusion is provided and the other fold are provided. Since the seal pattern differs between the shape portions, it is necessary to heat seal separately. However, by dividing into a plurality of sections and heat sealing, bag making can be performed without any problem.

In the case of a bag of a three-side seal type or a four-side seal type, the spout can be mounted in-line by incorporating a spout mounting device into the bag making machine. Prepare the device separately,
Off-line attachment after bag making is rather preferable in terms of overall productivity and quality stabilization. Regarding the attachment of the cover film, depending on the type of bag,
Although it is possible to attach in-line with bag making, it may be attached off-line after bag making.

[0033]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below more specifically with reference to the drawings. However, unless the present invention exceeds the gist,
It is not limited to the following drawings. Further, the same reference numerals are used for the parts having the same names in different drawings. FIGS. 1, 2, 3, and 4 are plan views each showing a configuration of an embodiment of a cartridge type bag according to the present invention.

FIG. 1 shows a first embodiment of the cartridge type bag according to the present invention.
1 is a plan view showing a configuration of an embodiment of the present invention. The cartridge type bag 100 shown in FIG. 1 has a main body formed of a pillow type bag, a laminated film in which a sealant layer is laminated on the innermost layer, That is, both sides of the wall film 1 are folded back so that the sealant layer is on the inside, and the edge portions on both sides of the folded wall film are placed on the back seal portion 8 (in this case, the back seal portion 8) such that the sealant layers face each other. Seal part 8
Is moved to the side to avoid overlap with the spout) and heat-sealed, and the back seal portion 8 is folded down to one side (for example, outside) to form a cylindrical body. When the upper edge portion is heat-sealed by the upper seal portion 13 to form a bag, the openable and closable spout 20 made of a plastic molded body is sandwiched between the films on both sides by the adhesive base 22. The bag 100 is bonded by heat bonding at the upper seal portion 13, and a cover film 15 is provided on the outer periphery of the body of the bag 100. , Wrap around the side,
In addition, the bonding portion 16 having a predetermined length (a) in the length direction of the bag.
And a non-adhesive portion 17 having a predetermined length (b) are adhered by an adhesive pattern having a shape alternately arranged.

In this case, in order to further increase the rigidity of the bonding portion 16 of the cover film 15, it is preferable to use a material having a certain degree of rigidity compared with the wall film of the bag. The bonding pattern for bonding the cover film 15 to the films on the front and rear wall surfaces of the bag is such that the bonding portion 16 is located at the same length on the front side and the back side at least in the length direction.
And the non-adhesive portion 17 are arranged, and it is preferable that the cover film 15 has a shape that starts from the adhesive portion 16 and ends at the adhesive portion 16 with the non-adhesive portion 17 interposed therebetween from the upper end to the lower end. The length “a” of the bonded portion 16 and the length “b” of the non-bonded portion 17 are in a relationship of a ≧ b ≧ a / 2, and the length “b” of the non-bonded portion is the content of the bag. It is preferable to set b ≦ c, where c is the passing length of the maximum spread portion when the bag is filled with the object and the bag spreads in the front-rear direction.

The length of the upper and lower edges of the bag without the cover film 15 corresponds to the rising portion formed at the top when the bag is filled with the contents and the bag expands. Preferably, the lower portion has a length corresponding to the length (b) of the non-adhesive portion 17. The shape of the cover film 15 itself may be a sleeve shape that laterally surrounds the body of the bag 100, or may be a shape cut off at one or both ends.

In this case, the spout 20 has a cylindrical portion 21 as a main body, an adhesive base portion 22 provided at a lower portion, a flange 23 appropriately provided thereon, and a separate screw type cap at an upper portion. 24 is attached. Before the cap 24 is attached to such a spout 20, a sealing material made of a laminated film may be thermally bonded to the opening of the spout to improve the sealing property.

The cartridge bag 100 can be filled with ink from the spout 20 with the cap 24 removed. In this case, the bottom of the bag has a flat shape, and the bottom is filled with ink. Can be used for filling port. When the bottom is used as the filling port, the filling port is wider, the filling operation is easier, the filling speed can be increased, and the productivity can be improved. In that case,
The bottom seal portion 9 is an unsealed opening before filling with ink, and is sealed by heat sealing after filling with ink.

By adopting such a configuration, the cartridge-type bag 100 is flat and bulky in an empty bag state,
Storage and transportation can be performed efficiently, and the volume can be reduced when disposing after use. In addition, the cartridge type bag 10
No. 0 has a good sealing property because the main body is formed of a pillow-type bag made of a laminated film and a spout 20 made of a plastic molded body joined to an upper edge thereof. Good preservability.

When the cartridge type bag 100 is used in a printing machine, the spout 20 is opened with the cap 24 removed.
By connecting the opened spout to the printing press, the bag can be easily attached to the printing press as it is. Then, the ink is sucked and discharged from the spout by a suction pump provided in the printing press, and is supplied to the printing press. In addition, during operation of the printing press, the rigidity of the body of the bag 100 differs between the bonded portion 16 and the non-bonded portion 17 of the cover film 15 in accordance with the amount of ink in the bag. Because of the low rigidity, the film at this portion is gradually drawn inward and contracted into a bellows shape. At this time, the bonding part 1
Since the length a of 6 and the length b of the non-adhesive portion 17 are provided in the above-described relationship, the bags 100 are closed in the middle portion because the films drawn inside overlap each other inside. It is shrunk to an orderly bellows shape without any. Therefore, during use, no air enters the inside of the bag 100,
Further, at the final stage of use, the ink can be used effectively with almost no ink remaining in the bag.

FIG. 2 shows a second embodiment of the cartridge type bag according to the present invention.
It is a top view which shows the structure of Example of this. The cartridge-type bag 200 shown in FIG. 2 is different from the cartridge-type bag 100 shown in FIG. 1 in that only the bonding pattern of the cover film 15 bonded to the outside of the body of the bag is applied only in the length direction of the bag. The bonding portion 16 having a predetermined width (d) also in the width direction.
And a non-adhesive portion 17 having a predetermined width (e) are formed by changing the shape of the cartridge bag alternately, and the other portions are formed in the same manner as the cartridge type bag 100 shown in FIG. It is configured. In the above adhesive pattern,
The adhesive portion 16 having a predetermined width (d) in the width direction of the bag and the non-adhesive portion 17 having a predetermined width (e) have an arbitrary width as long as the total width of the adhesive portions 16 does not become too small. Can be provided.

By adopting such a configuration, as shown in the figure, the non-adhesive portion 17 is formed in a shape that is continuous also in the length direction of the bag. The rod-shaped supports 18, 18 can be inserted between them. Since the non-adhesion portion 17 continuous in the length direction is similarly formed on the back side of the bag 200, the rod-shaped columns 18 can be similarly inserted into the back side of the bag 200. . Therefore, the non-adhesive portions 17 continuous in the length direction are provided at appropriate positions on both front and rear surfaces of the bag 200 at positions where the spread of the cartridge type bag 200 which has been filled with ink and spread back and forth can be maintained. Further, a rod-shaped support 18 to be inserted into the non-adhesive portion 17 is attached, for example, to a mounting portion of a cartridge type bag of a printing machine by a bag 200.
Is provided so as to correspond to the position of the non-adhesive portion 17, when the bag 200 is mounted on the printing press, the rod-shaped support provided on the printing press side is provided on the non-adhesive portion 17 continuous in the length direction. It can be inserted and installed.

By mounting the cartridge-type bag 200 on the printing machine in this manner, during use, the spread of the bag 200 in the front-rear direction is kept constant and the bag 200 shrinks freely in the longitudinal direction. Can be effectively used so that it shrinks into an orderly bellows shape in accordance with the amount of ink reduced, and almost no ink remains until the end. Also,
When inserting and using a rod-shaped column as described above,
The rigidity of the cover film can be lower than that of the cartridge type bag 100 shown in FIG. still,
Except for the above changes, the configuration is the same as that of the cartridge-type bag 100 shown in FIG. 1, so that the same operation and effect as those of the cartridge-type bag 100 shown in FIG. 1 can be obtained.

Next, FIG. 3 is a plan view showing the configuration of a third embodiment of the cartridge type bag according to the present invention. The cartridge-type bag 300 shown in FIG. 3 is different from the cartridge-type bag 200 shown in FIG. 2 in that the shape of the bag body is changed from the pillow type to the upper portion of the four-side seal type bag as described in detail below. And a cover film 15 provided on the outer periphery of the body portion of the bag is changed to a shape in which only the upper side is extended to near the upper end of the gusset portion 6. The configuration is the same as that of the cartridge type bag 200 shown in FIG.

That is, the bag body is composed of wall films 1 on both sides,
1 ', an upper film having the same structure as the wall film is folded inward between the upper portion and the upper film folded portion 2 is inserted, and a gusset portion 6 is provided on the upper portion.
Near the upper end of both side edges of the folded top film,
The upper film cutouts 4 and 4 are provided, and among the folds on the front and rear sides of the gusset 6, the folds on the back side in the figure are seal patterns in which the inside is depressed from both sides to the center. Specifically, the inner side is depressed in a straight line inclined from both sides toward the center, and is formed into an inverted ship bottom-shaped seal pattern that is a horizontal straight line at the center, that is, heat-sealed with the upper gusset part back side seal part 14, and On the upper side of the front fold portion, the projecting portion 11 is formed by extending the films on both sides, that is, the wall film 1 and the upper surface film opposed thereto, so that the width decreases on both sides toward the upper direction.
The upper seal portion 12 has a shape in which both side edges of the front fold portion including the protrusion portion 11 are connected to the base line of the fold portion to the upper portion of the protrusion portion 11 by an inner straight line connected by an inclined straight line. , 12, and a spout 20 made of a plastic molded body is joined to the upper part of the protruding part 11 by thermal bonding at an upper seal part 13. The left and right edges of the films 1 and 1 ′ are formed by heat sealing with side seal portions 10 and 10.

Incidentally, the bottom of the bag is made of a wall film 1 on both sides,
1 'is formed by heat-sealing the lower edge portion with a bottom seal portion 9. In this case as well, the bottom portion of the bag is the same as the cartridge-type bags 100 and 200 shown in FIGS. Since the bottom seal portion 9 can be used as a filling port for the material, the bottom seal portion 9 can be heat-sealed and sealed after the content is filled.

By adopting such a configuration, in the cartridge type bag 300, the upper portion of the bag is formed in a gusset form, and the cover film 15 is formed in a manner different from the cartridge type bag 200 shown in FIG. Since the gusset portion 6 is provided so as to extend to the vicinity of the upper end thereof, for example, by filling the ink from the bottom of the bag, the upper portion of the bag 300 is greatly spread in a hexagonal column shape together with the cover film, and its shape stability and protection The shape is excellent.

Therefore, the position of the non-adhesive portion 17 formed in the longitudinal direction of the body at both the front and rear sides of the bag 300 is also stabilized, so that when the cartridge type bag 300 is mounted on the printing machine, The rod-shaped support provided on the side
Can easily be inserted into the non-adhesive portion 17 continuous in the length direction, and the bag 300 can be more easily mounted on the printing press. In addition, even during use, the upper part of the bag 300, that is,
Since the lower side of the spout 20 is large in the shape of a funnel and spreads with good shape retention, the suction and discharge of the ink are further facilitated, and the bag 300 shrinks in an orderly bellows shape as the amount of the ink is reduced. The ink can be effectively used so that almost no ink remains until the end. Except for the above changes, the cartridge type bag 200 shown in FIG. 2 has the same configuration as the cartridge type bag 200 shown in FIG.
The same operation and effect as described above can be obtained.

FIG. 4 shows a cartridge type bag according to the present invention.
It is a top view which shows the structure of Example of this. The cartridge-type bag 400 shown in FIG. 4 is the same as the cartridge-type bag 300 shown in FIG. 3 except that the shape of the bag body is changed not only at the upper part of the bag but also at the lower part. A seal pattern in which the lower gusset part is depressed from both sides to the center, and in this case, the bottom is lower in the center, and rises linearly inclining toward both ends. The cover film 15 which is heat-sealed with the seal pattern described above and is provided on the outer periphery of the body portion is modified so that the lower portion thereof is close to the upper end of the lower gusset portion 7. Except for the above changes, the configuration is the same as that of the cartridge type bag 300 shown in FIG.

That is, in the cartridge type bag 400, the upper and lower portions of the bag body are disposed between the upper and lower portions of the wall films 1, 1 'on both sides, and each of the upper films has the same structure as the laminated film used for the wall film. Or, the bottom film is folded inward, and in the case of the top film, the top film cutouts 4 and 4 are provided near the upper ends of the both side edges, and in the case of the bottom film, both side edges are provided. Gusset portions 6 and 7 are provided by providing bottom film cutout portions 5 and 5 in the vicinity of the lower end, inserting the top film folded portion 2 and the bottom film folded portion 3 respectively, and heat-sealing with a predetermined seal pattern. The body is formed by heat-sealing both side edges of the wall films 1, 1 'with side seals 10, 10. Tsu DOO unit 7, inside a low central portion, the seal pattern of the ship bottom shaped to be higher on the inclined linearly toward the both side ends, i.e., are heat sealed at the bottom sealing portion 9.

When such a configuration is employed, it is difficult to fill the cartridge type bag 400 with ink from the bottom, so the spout 20 with the cap 24 removed.
Done from For this reason, although the filling speed is slightly lowered, the filling can be performed without any problem. After filling the ink and before attaching the cap 24, a sealing material made of a laminated film is thermally bonded to the opening of the spout 20 to improve the sealing property.

The cartridge-type bags 400 are the cartridge-type bags 100, 200, 3 shown in FIGS.
As in the case of 00, in an empty bag state, it is flat and bulky, and can be efficiently stored and transported, and can be reduced in volume when disposed after use. The main body of the bag 400 is made of a laminated film, is formed in a deformed gusset pouch type having upper and lower gussets 6 and 7, and a lower gusset 7.
However, the inside is heat-sealed by a bottom seal portion 9 of a ship bottom shape in which the center portion is low and the height is linearly increased toward both end portions, and the upper gusset portion 6 has a seal pattern formed by front and rear pleats. Although it is different, since the heat seal is performed with the inverted bottom seal pattern in which the seal pattern of the substantially bottom seal portion 9 is inverted, the bag 400 filled with the ink.
Has a hexagonal prism shape on the entire body of the bag, is compact and occupies little space for its capacity, and is a bag and has an excellent appearance similar to a shape-retaining container such as a bottle. Further, a ring-shaped leg portion is formed on the outer periphery of the bottom portion by the bottom seal portion 9, so that the leg portion is excellent in self-sustainability and easy to handle.

When the cartridge-type bag 400 is used by being mounted on a printing machine, the entire bag is excellent in form stability and shape retention, and the above-mentioned length formed on the front and rear body portions of the bag 400 is improved. Since the position of the non-adhesive portion 17 continuous in the vertical direction is also stable, the rod-shaped support provided on the printing press side is connected to the non-adhesive portion 17 continuous in the length direction, similarly to the cartridge type bag 300 shown in FIG. The bag 400 can be easily inserted into the portion 17 and the bag 400 can be more easily mounted on the printing press. In addition, even during use, the upper part of the bag 400, that is, the lower side of the spout 20 is large in the shape of a funnel and spreads with good shape retention, so that the suction and discharge of the ink are more easily performed, and the amount of the ink is reduced. Accordingly, the bag 400 can be effectively used so that the bag 400 shrinks in an orderly bellows shape and almost no ink remains until the end. As described above, the cartridge type bag of the present invention has been described as an example in which the bag is used for ink. However, in addition to various liquids having good fluidity, a viscous liquid, and furthermore, the cartridge type bag is accommodated in a tube container by adjusting suction force. It can be suitably used for a wide range of contents, including viscous substances such as wasabi and mustard.

[0054]

As described in detail above, according to the present invention, a liquid or viscous liquid ink or other content is sealed and packaged, and when used, a printing machine and other processing are carried out as a bag. A cartridge-type bag that can be used by attaching it to a device.The structure can be simplified, costs can be reduced, empty bags are not bulky, storage and transportation are efficient, and disposal after use is reduced. In addition to the fact that the ink can be filled and the content is filled with ink, it has good storage stability, is easy to install on a printing press, and can be used in a stable state without air flowing into the bag during use. In addition, it is possible to provide a cartridge-type bag that can reduce the amount of ink remaining in the bag after use, and that is excellent in performance, suitability for use, economy, and disposal.

[Brief description of the drawings]

FIG. 1 is a plan view showing a configuration of a first embodiment of a cartridge type bag according to the present invention.

FIG. 2 is a plan view showing a configuration of a second embodiment of the cartridge type bag according to the present invention.

FIG. 3 is a plan view showing a configuration of a third embodiment of the cartridge type bag according to the present invention.

FIG. 4 is a plan view showing a configuration of a fourth embodiment of the cartridge type bag according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1, 1 'Wall film 2 Top film folded part 3 Bottom film folded part 4 Top film cutout part 5 Bottom film notch part 6, 7 Gusset part 8 Back seal part 9 Bottom seal part 10 Side seal part 11 Projection part 12 Upper seal part 13 Upper seal part 14 Upper gusset part Rear seal part 15 Cover film 16 Adhesive part 17 Non-adhesive part 18 Bar-shaped support 20 Spout 21 Tube part 22 Adhesive base 23 Flange 24 Cap 100, 200, 300, 400 Cartridge type bag a Length of bonded portion b Length of non-bonded portion provided in length direction d Width of bonded portion e Width of non-bonded portion provided in width direction

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2C056 EA24 EA25 EA26 KC14 KC30 3E064 AB23 BA22 BB03 BC18 EA07 EA15 FA04 GA04 HG03 HM01 HN05 HP10

Claims (5)

[Claims] 1. A bag made of a laminated film having an openable spout made of a plastic molded body at an upper edge, and a cover attached to the outside of the bag so as to cover the outer periphery of a body. A cartridge type bag formed of a film and a cover film, wherein the cover film is attached to a wall film on both front and rear sides of the bag at least in a length direction of the bag with a predetermined length of an adhesive portion and a predetermined length of a non-woven film. A cartridge-type bag, wherein an adhesive portion and an adhesive portion are adhered alternately. 2. The cover film has a shape in which adhesive portions having a predetermined width and non-adhesive portions having a predetermined width are alternately arranged on the wall films on both front and rear sides of the bag also in the width direction of the bag. The cartridge-type bag according to claim 1, wherein the bag is bonded. 3. The method according to claim 1, wherein the cover film is provided in a longitudinal direction of the bag.
From the upper part of the bag toward the lower part, the adhesive part and the non-adhesive part are arranged alternately, the lowermost part ends with the adhesive part, and in the area where the length corresponding to the non-adhesive part is left below it The cartridge type bag according to claim 1, wherein the cartridge type bag is provided. 4. An adhesive pattern for bonding the cover film to the front and rear wall films of the bag, that is, the length relationship between the predetermined length of the bonded portion and the predetermined length of the non-bonded portion is determined by bonding. When the length of the portion is a and the length of the non-adhesion portion is b, a ≧ b ≧ a / 2, and the length b of the non-adhesion portion
However, when the bag is filled with contents and the length of the maximum spread portion when the bag spreads in the front-back direction is c, the bag is bonded with an adhesive pattern satisfying b ≦ c. Item 4. A cartridge-type bag according to any one of Items 1 to 3. 5. A bag made of a laminated film, wherein at least the upper part of the upper part and the lower part has a gusset part formed by folding an upper surface film inward and inserting it between upper parts of two front and rear wall films. One of the gussets formed before and after the gusset portion is heat-sealed with a seal pattern in which the inside is depressed from both sides to the center, and the other fold is formed. At the upper part thereof, a projection is provided by extending the film on both sides, i.e., the wall film and the upper surface film opposed thereto, and both side edges of the pleats including the projection are formed by the pleats. Heat-sealed in a shape extending from the base of the protruding portion to the upper side of the protruding portion, and an opening / closing spout made of a plastic molded body is provided at the upper edge of the protruding portion. Cartridge bag according to any one of claims 1 to 4, symptom.