JP3535740B2 - Liquid storage container, inkjet head cartridge, liquid storage container, and method of disassembling inkjet head cartridge - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid container for holding ink supplied to an inkjet head for ejecting ink, an inkjet head cartridge having an inkjet head and a liquid container, a liquid container and disassembly of the inkjet head cartridge. Regarding the method.

[0002]

2. Description of the Related Art FIG. 26 is a perspective view showing a conventional ink jet recording apparatus. In a conventional inkjet recording apparatus, as shown in FIG. 26, a lead screw 104 and a guide shaft 105 that are parallel to each other are provided in a housing. Lead screw 104 and guide shaft 105
A carriage 101 is attached to the carriage movably in a direction parallel to the lead screw 104 and the guide shaft 105. The carriage 101 is translated by a carriage motor (not shown) rotating the lead screw 104.

An ink jet head cartridge having an ink jet head 102, which will be described later with reference to FIG. 27, is mounted on the carriage 101.
A paper pressing plate 109 is provided near the movement trajectory surface of the ejection surface of the inkjet head 102.

Further, in the ink jet recording apparatus, a recording paper 106 which is a recording medium is attached to the ink jet head 1.
No. 02 recording area, and a paper feed roller 107
A paper discharge roller 108 for discharging the recording paper 106 recorded by the inkjet head 102 is provided. The paper feed roller 107 and the paper discharge roller 108 are
It is rotated by a motor (not shown).

The ink ejected from the ink jet head 102 adheres to the recording paper 106 facing the ejection port surface of the ink jet head 102, so that a recorded image is formed on the surface of the recording paper 106. The recording paper 106 is ejected to the outside of the inkjet recording apparatus by a paper feed roller 107 and a paper ejection roller 108 which are rotated by a motor in conjunction with recording on the recording paper 106 by the inkjet head 102, and a paper pressing plate 109. .

FIG. 27 shows the carriage 10 shown in FIG.
FIG. 3 is a diagram for explaining an inkjet head cartridge mounted on the printer 1. 27A is a perspective view showing an inkjet head cartridge mounted on the carriage 101, and FIG.
It is a perspective view which shows the state which removed the ink tank in the inkjet head cartridge shown to (a).

As shown in FIGS. 27A and 27B, an ink jet head cartridge 301 mounted on the carriage 101 includes a tank holder 103 having an ink jet head 102, and a tank holder 1.
03, ink tanks 111 and 11 detachably provided
2, 113, 114. The ink tank 111 is for black ink, the ink tank 112 is for yellow ink, the ink tank 113 is for magenta ink, and the ink tank 114 is for cyan ink. In this way, the ink tanks 111, 112, 113,
Since each of the ink tanks 114 can be attached to and detached from the tank holder 103 and each ink tank can be replaced, the running cost of printing in the inkjet recording apparatus can be reduced.

Ink tanks 111, 112, 113, 1
Ink of the corresponding color is housed inside each of the fourteen. Further, each ink tank is formed with an ink supply port for supplying the ink in the ink tank to the inkjet head 102. For example,
An ink supply port 211 is formed in the ink tank 111, and the black ink in the ink tank 111 is supplied to the inkjet head 102 via the ink supply port 211 in a state where the ink tank 111 is attached to the tank holder 103. It

FIG. 28 shows the ink tank 1 shown in FIG.
It is a figure for demonstrating 11. FIG. 28 (a)
FIG. 28 is a perspective view of the ink tank 111 seen from the direction in which the first claw 131 can be seen, and FIG. 28B is a perspective view of the ink tank 111 seen from the direction in which the movable lever 130 is seen. FIG. 28C shows the ink tank 11
2 is a sectional view of FIG. FIG. 29 is a diagram showing a state in which the ink tank 111 shown in FIG. 27 is disassembled.

As shown in FIGS. 28A and 28B, a movable lever 130 having a second claw 132 is provided on one side surface of the ink tank 111 and the other side surface of the ink tank 111. The first claw 131 is provided on the. Each of the first claw 131 and the second claw 132 is engaged with a hole formed in the tank holder 103 when the ink tank 111 is mounted in the tank holder 103. As a result, the ink tank 111 is fixed to the tank holder 103. On the bottom surface of the ink tank 111,
An ink supply port 211 protruding in a cylindrical shape from the lower surface thereof is provided.

As shown in FIGS. 28C and 29, the ink tank 111 is joined to the box member 151 having an opening on the upper surface and the upper surface of the box member 151, and the opening on the upper surface is sealed. And a lid member 152 that operates. The box member 151 includes the movable lever 130, the first
The claw 131 and the ink supply port 221 are provided. Inside the box member 151, an ink absorber 153 that holds the ink by absorbing the liquid ink is housed. The inside of the ink supply port 221 is filled with a joint member 154 that is in contact with the ink absorber 153. The ink held in the ink absorber 153 is supplied from the ink supply port 211 to the inkjet head 102 through the joint member 154.

FIG. 30 is a perspective view showing an ink tank as a conventional liquid storage container for storing four color inks. FIG. 31 is a perspective view showing a state in which the ink tank shown in FIG. 30 is disassembled.

As shown in FIGS. 30 and 31, 4
In the ink tank that stores the color ink, a storage case that stores the ink absorbers 163, 164, 165, and 166 includes a box member 161, and a lid member 162 joined to the upper surface of the box member 161. The inside of the box member 161 is partitioned into four chambers by three threshold walls 161a, 161b, 161c, and the upper surfaces of the four chambers inside the box member 161 are open. After accommodating the ink absorbers corresponding to the four chambers in the box member 161, the lid member 162 is welded to the upper surface of the box member 161, and the upper surface of each chamber is sealed. . As a method for welding the lid member 162 to the box member 161, there are ultrasonic welding, vibration welding, heat welding and the like.

FIG. 32 is a diagram for explaining a conventional ink jet head cartridge. Figure 32
FIG. 32A is a perspective view showing a conventional inkjet head cartridge, and FIG. 32B is A- of FIG.
It is an A'line sectional view.

In the ink jet head cartridge shown in FIG. 32, an ink tank 180 for storing ink.
a is integrated with an inkjet head unit 180b that ejects ink supplied from the ink tank unit 180a. An ink absorber 183 is housed inside a box member 181 that forms the ink tank portion 180a and the inkjet head portion 180b. Box member 1
The ink absorber 183 also enters inside the portion of 81 corresponding to the inkjet head portion 180b. Therefore, in this inkjet head cartridge, the inkjet head is provided in the storage case including the box member 181 and the lid member 182.

An upper surface of the box member 181 is open, and a plate-shaped lid member 182 for closing the opening of the upper surface is joined to the upper surface of the box member 181 by welding. Of the box member 181,
The flexible printed board 1 having a plurality of electrodes is provided on the outer wall surface of the portion corresponding to the inkjet head portion 180b.
87 and the heater board 184 connected to the flexible printed board 187 are joined. The heater board 184 is formed with an ejection port 184a for ejecting ink and a heater as an electrothermal converter for generating thermal energy used for ejecting ink from the ejection port 184a.

The discharge port 18 of the heater board 184 is provided at the portion of the box member 181 to which the heater board 184 is joined.
An ink channel 186 communicating with 4a is formed. A filter 185 for filtering the ink and removing dust from the ink is attached to the end of the ink flow path 186 on the ink absorber 183 side.

[0018]

However, in the conventional ink tank, the ink in the ink tank having the ink absorber is consumed, and when the ink tank that has run out of ink is replaced with another new one, it is used. In consideration of the reuse of the ink tank, it is necessary to separate the molded parts such as plastic forming the box member and the lid member of the ink tank from the polyurethane forming the ink absorber. Here, when welding is used as a method of joining the lid member to the box member, since the lid member and the box member are melted and fixed, when disassembling the ink tank,
There is a problem that it is difficult to break the ink tank from the joint between the lid member and the box member and take out the ink absorber and the joint member from the ink tank.

Further, in the ink jet head cartridge shown in FIG. 32, in consideration of the reuse of the used ink jet head cartridge in which the ink in the box member 181 has been used up, the box member 181 and the lid member 1 are considered.
It is necessary to disassemble the storage case composed of 82, the ink absorber, the heater board 184 and the flexible printed board 187 which are difficult to reuse, and the filter 185.
Here, the lid member 182 is joined to the box member 181 by welding, and the ink tank portion 180a is broken from the joining portion between the lid member 182 and the lid member 181, so that the ink absorber 183 and the filter from inside the box member 181. It is difficult to take out 185. Further, the heater board 184 and the flexible printed board 187 are joined to the box member 181 with an adhesive or the like.
In addition, it is difficult to remove the flexible printed board 187 from the box member 181.

An object of the present invention is to provide a liquid storage container, an ink jet head cartridge, a liquid storage container and a method for disassembling an ink jet head cartridge, which can be disassembled by a simple and inexpensive method and can be easily reused. .

[0021]

In order to achieve the above object, a liquid container of the present invention comprises an absorber that holds the liquid by absorbing the liquid, and a storage case that stores the absorber. In a liquid storage container having, the absorber is removed from inside the storage case on a wall forming the storage case.
To take out and separate the storage case and the absorber
Of, it is characterized in that the thin portion breakable is provided
It

In the above invention, since the rupturable thin wall portion is provided on the wall of the storage case for storing the absorber, the thin wall portion is ruptured and the storage case is destroyed to absorb the inside of the storage case. You can easily remove your body. Therefore, when the liquid storage container is reused after the liquid in the liquid storage container is exhausted, the storage case and the absorber can be easily and inexpensively separated, and each can be sent to another reuse step. . As a result, it becomes easy to reuse the liquid container.

[0023]

[0024]

Further, it is preferable that a protrusion is provided on a portion of the storage case near the thin portion.
Since the protrusion is provided in the portion of the storage case near the thin portion, the thin portion can be easily broken by pulling the protrusion.

Further, in order to mount and fix the storage case on a container holder having an ink jet head for discharging the liquid supplied from the absorber, a movable lever protruding from the one surface of the storage case is fixed. May be provided, and the thin portion may be provided in a portion of the storage case near the movable lever.

As described above, since the thin portion is provided in the portion of the storage case near the movable lever, the thin portion can be easily broken by pulling the movable lever.

Further, the liquid container of the present invention has a plurality of absorbers which absorb the liquid and hold the liquid, and a plurality of inner walls having threshold walls for separately storing the plurality of absorbers. In the liquid storage container having the storage case partitioned into the room, the outer wall and the threshold wall of the storage case are provided with breakable thin-walled portions arranged on the same plane.

In the above invention, in a liquid storage container having a storage case for separately storing a plurality of absorbers, a rupturable thin wall disposed on the same plane on the outer wall and the threshold wall of the storage case. Since the thin portion is ruptured and the storage case is destroyed by providing the portion, the plurality of absorbers can be easily and inexpensively taken out from the storage case.

Further, the storage case is provided with a liquid supply port for supplying the liquid in the storage case to the outside of the storage case, and a filter is provided at an end of the liquid supply port inside the storage case. It is preferable that a breakable thin portion is provided in a portion of the storage case around the liquid supply port.

As described above, when the liquid supply port provided in the storage case is provided with the filter at the inner end of the storage case, a thin wall portion of the storage case which can be broken around the liquid supply port. Is provided,
The filter can be easily separated from the storage case by breaking the thin portion and breaking the portion near the liquid supply port of the storage case. Therefore, the storage case can be easily reused because the filter, which is difficult to reuse, can be easily separated from the storage case.

Furthermore, the ink jet head cartridge of the present invention is an ink jet head cartridge having a storage case for storing a liquid, and an ink jet head provided in the storage case for discharging the liquid supplied from the storage case. A rupturable thin portion is provided in a portion of the storage case near the inkjet head.

In the above invention, since the breakable thin portion is provided in the portion of the storage case near the ink jet head, the thin wall portion can be broken and the ink jet head can be easily separated. Therefore, by separating the inkjet head that is difficult to reuse after the liquid in the storage case is exhausted, when discarding the inkjet head, the portion of the storage case to be discarded is extremely reduced and the storage case is easy. Can be reused.

Further, an absorber that holds the liquid by absorbing the liquid is stored inside the storage case, and the absorber is exposed from the storage case when the thin portion is broken. Thus, it is preferable that the thin portion is provided.

As described above, when the absorber is housed inside the storage case, the thin portion is provided so that the absorber is exposed from the storage case when the thin portion is broken. After breaking the thin portion, the absorber can be taken out from the storage case. Therefore, it is possible to separate the inkjet head that is difficult to reuse, separate the absorbent body from the storage case, and send the storage case and the absorbent body to separate reuse steps. Can be used.

Furthermore, the method for disassembling a liquid container according to the present invention comprises an absorbent body which absorbs the liquid and holds the liquid,
A method for disassembling a liquid storage container having a storage case for storing the absorber, wherein a rupturable thin portion is provided on a wall forming the storage case, and the thin portion is ruptured to destroy the storage case. After that, the absorber is taken out from the storage case to separate the storage case and the absorber.

In the above invention, similarly to the above, the storage case and the absorber can be easily and inexpensively separated by breaking the thin portion, and the storage case and the absorber can be separated from each other. Since the liquid storage container can be sent to the reuse step, the liquid storage container can be easily reused.

Further , the thin portion of the storage case is
Providing a protrusion in the vicinity and pulling the protrusion
Further, the thin portion may be broken.

Further, in order to mount and fix the storage case on a container holder equipped with an ink jet head for ejecting the liquid supplied from the absorber, a movable lever protruding from the one surface of the storage case. May be provided, the thin portion may be provided in a portion of the storage case near the movable lever, and the thin portion may be broken by pulling the movable lever.

Further, in the method for disassembling a liquid container according to the present invention, a plurality of absorbers that absorb the liquid to hold the liquid and the plurality of absorbers are housed separately, so that the inside has a threshold. A method for disassembling a liquid storage container having a storage case partitioned by a wall into a plurality of rooms, wherein an outer wall of the storage case and the threshold wall are provided with rupturable thin-walled portions arranged on the same plane. After breaking the thin portion to destroy the storage case, the plurality of absorbers are taken out from the storage case to separate the storage case and the plurality of absorbers.

In the above invention, in the same manner as described above, in the liquid storage container having the storage case for separately storing the plurality of absorbers, the thin portion provided on the outer wall of the storage case and the threshold wall. The plurality of absorbers are taken out from the inside of the storage case by breaking the housing and breaking the storage case, so that the storage case and the plurality of absorbers can be separated easily and at low cost. Therefore, the liquid container can be easily reused.

Further, the storage case is provided with a liquid supply port for supplying the liquid in the storage case to the outside of the storage case, and a filter is provided at an end of the liquid supply port inside the storage case. The storage case is provided with a rupturable thin-walled portion around the liquid supply port, and the thin-walled portion is ruptured to break the storage case, thereby separating the filter from the storage case. Preferably.

Furthermore, the method for disassembling an ink jet head cartridge of the present invention includes an ink jet head having a storage case for storing a liquid, and an ink jet head provided in the storage case for discharging the liquid supplied from the storage case. A method for disassembling a cartridge, wherein a rupturable thin portion is provided in a portion of the storage case near the inkjet head, and the thin portion is ruptured to destroy the storage case, thereby removing the inkjet head from the storage case. To separate.

In the above invention, the thin portion provided in the vicinity of the ink jet head of the storage case is broken to separate the ink jet head, so that it is difficult to reuse the ink jet after the liquid in the storage case is exhausted. The head can be separated easily and inexpensively, and the portion of the storage case separated from the inkjet head can be sent out for the reuse process. Therefore, when the inkjet head is discarded, the portion of the storage case to be discarded can be extremely reduced, and the storage case can be reused easily and efficiently.

Further, an absorber that holds the liquid by absorbing the liquid is stored inside the storage case, and the absorber is exposed from the storage case when the thin portion is broken. Thus, it is preferable that the thin portion is provided, and after the thin portion is broken, the absorber is taken out from the storage case to separate the storage case and the absorber.

[0046]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings.

(First Embodiment) FIG. 1 is a diagram for explaining a liquid container according to a first embodiment of the present invention. FIG. 1A is a perspective view showing the liquid storage container of the present embodiment, and FIG. 1B is a sectional view taken along the line AA ′ of FIG.

As shown in FIGS. 1 (a) and 1 (b), an ink tank 50 which is the liquid container of this embodiment.
In a, the ink absorber 53 is housed inside a rectangular parallelepiped box member 51 having an open upper surface. Ink absorber 5
The ink is held in the ink absorber 53 by allowing the ink 3 to absorb the liquid ink. On the upper surface of the box member 51,
A plate-shaped lid member 52 that seals the opening on the upper surface is joined by welding. Therefore, the box member 51 and the lid member 52
Thus, a storage case for storing the ink absorber 53 is configured. Among the plurality of side walls of the box member 51, the side wall whose wall surface is the largest surface area is provided with a thin portion 55 that can be broken along the edge of the side wall. The thin portion 55 is provided by forming a groove on the side surface of the box member 51, and the thickness of the thin portion 55 is smaller than the average thickness of the box member 51. The thin portion 55 is formed on a portion of the box member 51 excluding a joint portion with the lid member 52.

A cylindrical ink supply port 33 projects from the lower surface of the box member 51. The inside of the ink supply port 33 communicates with the inside of the box member 51.
A joint member 54 is filled in the interior of the. The joint member 54 is in contact with the ink absorber 53, and the ink absorbed by the ink absorber 53 is absorbed by the joint member 54.
It is supplied to the outside of the box member 51 via. A movable lever 30 having a second claw 32 is provided on a side surface of the box member 51 different from the side surface on which the thin portion 55 or the ink supply port 33 is formed.

FIG. 2 is a sectional view of the ink tank 50a shown in FIGS. 1A and 1B, taken along the line AA ′ in FIG. 1A and the direction perpendicular to the lid member 52. It is a figure. As shown in FIG. 2, the movable lever 30 of the box member 51
A first claw 31 protruding from the side surface is formed on a portion of the side surface on the side opposite to the side on the joint member 54 side. Each of the first claw 31 and the second claw 32 engages with a hole formed in the tank holder when the ink tank 50a is attached to the tank holder described later.

As the material of the box member 51 and the lid member 52, polypropylene which is excellent in ink resistance, gas barrier property and transparency and is inexpensive is used. As a material of the ink absorber 53, a foamed polyurethane sponge excellent in ink holding property and negative pressure property is used.

In this way, the ink tank 50 of this embodiment is
In a, since the rupturable thin portion 55 is formed on the side surface of the box member 51, the thin portion 55 is ruptured and the box member 51 is destroyed, so that the ink absorber 53 and the joint in the box member 51 are broken. The member 54 can be taken out.

FIG. 3 is a diagram for explaining a state in which the ink tank 50a shown in FIGS. 1A, 1B and 2 is destroyed. FIG. 3A is a perspective view showing the destroyed ink tank 50a, and FIG.
2B is a sectional view of the destroyed ink tank 50a taken along the same section as FIG. 1B. FIG.

As shown in FIGS. 3A and 3B, the ink absorber 53 and the joint member 54 in the box member 51 are taken out by breaking the thin portion 55 to break the box member 51. be able to. Therefore, polypropylene forming the box member 51 and the lid member 52,
By separating the polyurethane constituting the ink absorber 53 from each other, the polypropylene and the polyurethane can be separately sent to the process of recycling.

FIG. 4 is a view for explaining an ink jet head cartridge having the ink tank shown in FIGS. 1 (a), 1 (b) and 2. Figure 4
4A is a perspective view showing an inkjet head cartridge having an ink tank, and FIG.
It is a perspective view which shows the state which the ink tank was removed from the tank holder shown by (a).

As shown in FIG. 4A, in the ink jet head cartridge 21, the ink jet head 2 is provided on the lower surface of the tank holder 3. The tank holder 3 includes the ink tanks 50a, 50b, 50c, 50.
d is detachably provided. Ink tank 50b,
The configurations and shapes of 50c and 50d are the same as those of the ink tank 50a described above.

The ink tank 50a is used for black ink, the ink tank 50b is used for yellow ink, the ink tank 50c is used for magenta ink, and the ink tank 5 is used.
0d is for cyan ink. As described above, since each of the ink tanks 50a, 50b, 50c, 50d is detachable from the tank holder 3 and each ink tank is replaceable, the running cost of printing in the inkjet recording apparatus is reduced. It

FIG. 5 is a sectional view of the tank holder 3 and the ink jet head 2 shown in FIG. As shown in FIG. 5, the upper surface of the box-shaped tank holder 3 is open,
The inkjet head 2 is provided on one side of the lower surface of the tank holder 3. In the inkjet head 2,
The silicon substrate 201 is supported by the base plate 205. The silicon substrate 201 is provided with a heater or the like as an electrothermal converter that generates thermal energy used for ejecting ink.

Further, the ink jet head 2 is provided with a joint 204 which is connected to the ink supply port of the ink tank when the ink tank is attached to the tank holder 3. An ink flow path 206 extending toward the silicon substrate 201 is formed in the joint 204.

As an ink flow in such an ink jet head cartridge, an ink tank 50a for black ink will be described as an example. The ink in the ink tank 50a is supplied into the inkjet head 2 through the ink supply port 50a of the ink tank 50a and the joint 204. Inkjet head 2
The ink supplied inside is supplied to the silicon substrate 201 through the ink flow path 206, and the supplied ink is ejected toward the recording paper, which is a recording medium, by the thermal energy generated by the heater of the silicon substrate 201.

Inkjet head 2 of tank holder 3
In the vicinity of the inkjet head 2 on the side surface on the side,
A first hole 41 into which the first claw 31 of the ink tank 50a is fitted is formed. Further, a second hole 42 with which the second claw 32 of the ink tank 50a is engaged is formed in a portion on the upper surface side of the side surface of the tank holder 3 opposite to the ink jet head 2 side.

FIG. 6 is a diagram for explaining the operation of mounting the ink tank 50a shown in FIGS. 1 (a), 1 (b) and 2 on the tank holder 3. The ink tank 50a is attached to the tank holder 3 through the operations shown in FIGS. 6 (a) to 6 (c).

First, in FIG. 6A, the ink tank 50a is placed inside the tank holder 3 with the surface of the ink tank 50a facing the ink supply port 33 facing the upper surface of the tank holder 3.
Insert.

Next, referring to FIG. 6B, the first claw 31 of the ink tank 50a is inserted into the first hole 41 of the tank holder 3.
Fit.

Then, in FIG. 6C, the movable lever 30 of the ink tank 50a is bent to move the movable lever 30.
The second claw 32 of is engaged with the second hole 42 of the tank holder 3. In this way, the first claw 31 and the second claw 32 of the ink tank 50a are respectively attached to the tank holder 3
The ink tank 50 a is attached and fixed to the tank holder 3 by being inserted into the first hole 41 and the second hole 42 of the ink tank 50 a.

FIG. 7 is a perspective view showing an ink jet recording apparatus equipped with the ink jet head cartridge 21 shown in FIG. 4 (a). As shown in FIG. 7, in the inkjet recording apparatus, an inkjet head cartridge 21 is mounted on the carriage 1. The carriage 1 is supported by a lead screw 4 and a guide shaft 5 which are parallel to each other so as to be movable in a direction parallel to the lead screw 4 and the guide shaft 5. The carriage 1 is moved in parallel by rotating a lead screw 4 by a carriage motor (not shown). In the vicinity of the movement locus surface of the ejection surface of the inkjet head 2 provided in the inkjet head cartridge 21,
A paper pressing plate 9 is provided.

Further, the ink jet recording apparatus ejects the recording paper 6 recorded by the ink jet head 2 and the paper feed roller 7 which conveys the recording paper 6 which is a recording medium toward the recording area of the ink jet head 2. And a paper discharge roller 8 for The paper feed roller 7 and the paper discharge roller 8 are rotated by a motor (not shown).

In such an ink jet recording apparatus,
The ink ejected from the inkjet head 2 of the inkjet head cartridge 21 adheres to the recording paper 6 facing the ejection opening surface of the inkjet head 2 to form a recorded image on the surface of the recording paper 6.
The recording paper 6 is ejected to the outside of the inkjet recording apparatus by a paper feed roller 7 and a paper ejection roller 8 rotated by a motor in conjunction with recording on the recording paper 6 by the inkjet head 2 and a paper pressing plate 9. .

FIG. 8 is a diagram for explaining a modification of the ink tank 50a shown in FIGS. 1 (a), 1 (b) and 2. FIG. 8A shows an ink tank 50a.
It is a perspective view which shows the modification of FIG. 8 (b) is FIG. 8 (a).
FIG. 9 is a sectional view taken along line AA ′ of FIG.

In the ink tank 50a shown in FIGS. 8 (a) and 8 (b), in the vicinity of the thin portion 55 of the box member 51,
A knob 58 as a protrusion is provided. Knob 5
Reference numeral 8 projects from the surface of the box member 51 opposite to the movable lever 30 side. The thin portion 55 can be easily broken by pulling or pressing the knob 58.

FIG. 9 is a diagram for explaining a state in which the ink tank 50a shown in FIGS. 8A and 8B is destroyed. 9A is a perspective view showing the destroyed ink tank 50a, and FIG. 9B is a cross-sectional view of the destroyed ink tank 50a taken along the same cross section as FIG. 8B.

As shown in FIGS. 9A and 9B, by pressing the knob 58 in the direction shown by the arrow B, the thin portion 55 is broken and the ink tank 50a is broken. Since the knob 58 for breaking the thin portion 55 is thus provided, the ink tank 50a can be easily broken and the ink absorber 53 and the joint member 54 in the ink tank 50a can be taken out. .

As described above, since the rupturable thin portion 55 is provided on the side wall of the ink tank 50a of this embodiment, the thin portion 55 is ruptured and the box member 5 is formed.
By destroying 1, the ink absorber 53 in the box member 51 can be easily taken out. Therefore, after the ink in the ink tank 50a has been used up, the ink tank 5
When the 0a is reused, the polypropylene forming the box member 51 and the lid member 52 and the polyurethane forming the ink absorber 53 are separated easily and at low cost, and each is sent out in a separate reuse step. be able to. As a result, it becomes easy to reuse the ink tank 50a.

(Second Embodiment) FIG. 10 is a view for explaining a liquid container according to a second embodiment of the present invention. 10A is a perspective view showing the liquid storage container of the present embodiment, and FIG. 10B is a view A of FIG.
It is a sectional view taken along the line A-A '. In the ink tank as the liquid storage container of the present embodiment, the rupturable thin portion provided in the ink tank is formed in the lid member instead of the box member of the ink tank, as compared with the first embodiment. The points are different. In FIG. 10, the same components as those in the first embodiment are denoted by the same reference numerals, and the points different from the first embodiment will be mainly described below.

As shown in FIGS. 10A and 10B, in the ink tank as the liquid container of this embodiment, the ink absorber 53 is housed inside the box member 51a having a rectangular parallelepiped shape. . The upper surface of the box member 51a is open, and a plate-shaped lid member 52a that closes the opening of the upper surface is joined to the upper surface of the box member 51a. This lid member 52a
The box member 51a and the box member 51a constitute a storage case for storing the ink absorber 53. The lid member 52a is provided with a thin portion 56 that can be broken along the edge of the lid member 52a. The thickness of the thin portion 56 is smaller than the average thickness of the box member 51a. In addition, the thin portion 56 is the lid member 5.
It is provided by forming a groove on the surface of the lid member 52a opposite to the box member 51a in the portion of 2a excluding the joint portion with the box member 51a. The thin portion 56 of the lid member 52a
The ink tank can be destroyed by breaking the ink tank. Polypropylene is used as the material of the box member 51a and the lid member 52a.

Further, the ink tank 50 of the first embodiment.
Similar to a, a cylindrical ink supply port 33a projects from the lower surface of the box member 51a. A joint member 54 is filled inside the ink supply port 33a. Box member 5
A first claw 31a is formed on one side surface of the la 1a, and a movable lever 30a having a second claw 32a is provided on the other side surface of the box member 51a.

FIG. 11 shows FIGS. 10A and 10B.
It is a figure for demonstrating the state where the ink tank shown in (b) was destroyed. FIG. 11A is a perspective view showing the destroyed ink tank, and FIG. 11B is a sectional view of the destroyed ink tank 50a taken along the same section as FIG. 10B.

As shown in FIGS. 11 (a) and 11 (b), the thin portion 56 is broken and the lid member 52a is removed.
The ink absorber 53 and the joint member 54 in the box member 51a can be easily taken out by breaking along the line.

FIGS. 12A and 12B are schematic diagrams of FIGS.
It is a figure for demonstrating the modification of the ink tank shown to (b). FIG. 12A is a perspective view showing a modified example of the ink tank shown in FIGS. 10A and 10B, and FIG. 10B is a sectional view taken along the same section as FIG. 10B. Is.

In the ink tank shown in FIG. 12, the lid member 52a is provided with a knob 59 as a protrusion protruding from the upper surface of the lid member 52a on the side opposite to the box member 51a. The position of the knob 59 is arranged at the end of the portion surrounded by the thin portion 56 on the movable lever 30a side.
By pulling up this knob 59, the lid member 5
The thin portion 56 of 2a can be easily broken.

FIGS. 13A and 13B are schematic diagrams of FIGS.
It is a figure for demonstrating the state where the ink tank shown in (b) was destroyed. FIG. 13A is a perspective view showing the destroyed ink tank, and FIG. 13B is a sectional view of the destroyed ink tank taken along the same section as FIG. 12B.

As shown in FIG. 13, when the knob 59 is pulled up, the portion near the knob 59 of the thin portion 56 is broken. Then, by further pulling up the knob 59, the thin portion 56 breaks over a wide range, and the lid member 52a is broken. In this manner, by breaking the lid member 52a, the ink absorber 53 and the joint member 54 in the box member 51a can be taken out from the broken portion of the lid member 52a.

Therefore, when the ink tank is reused after the ink in the ink tank has been used up, the polypropylene forming the box member 51a and the lid member 52a and the polyurethane forming the ink absorber 53 can be easily and inexpensively. , And each can be sent to another recycling step. As a result, it becomes easy to reuse the ink tank.

(Third Embodiment) FIG. 14 is a view for explaining a liquid container according to a third embodiment of the present invention. FIG. 14A is a perspective view showing the liquid storage container of the present embodiment, and FIG. 14B is a view A of FIG.
It is a sectional view taken along the line A-A '. In the ink tank as the liquid storage container of this embodiment, the position of the rupturable thin portion provided in the ink tank is different from that of the first embodiment. In FIG. 14, the same components as those of the first embodiment are designated by the same reference numerals, and the following description will be focused on the points different from the first embodiment.

As shown in FIGS. 14A and 14B, in the ink tank as the liquid storage container of this embodiment, the movable lever 30b is provided on one side surface of the box member 51b having a rectangular parallelepiped shape. There is. The movable lever 30b has the same shape as the movable lever 30 provided in the ink tank 50a of the first embodiment, and is used when the ink tank is attached to the tank holder.

The ink absorber 53 is provided inside the box member 51b.
Is stored. The upper surface of the box member 51b is open, and a plate-shaped lid member 52 that closes the opening of the upper surface is joined to the upper surface of the box member 51b. A cylindrical ink supply port 33b protruding from the lower surface of the box member 51b is provided. A joint member 54 is filled inside the ink supply port 33b. This box member 5
1b and the lid member 52 constitute a storage case for storing the ink absorber 53. Polypropylene is used as the material of the box member 51b.

A rupturable thin portion 57 is provided on the side surface of the box member 51b where the movable lever 30b is provided in the vicinity of the movable lever 30b. Thin part 5
7 is provided by forming a groove on the side surface of the box member 51b, and the thickness of the thin portion 57 is smaller than the average thickness of the box member 51b. A first claw 31b protruding from the side surface of the box member 51b opposite to the movable lever 30b side is formed.

As described above, in the ink tank of this embodiment, since the thin portion 57 is provided on the side surface of the box member 51b on the side of the movable lever 30b, the movable lever 30b is pulled up and the thin portion 57 is easily broken. The box member 51b can be easily broken.

FIG. 15 is a schematic diagram of FIG. 14 (a) and FIG.
It is a figure for demonstrating the state where the ink tank shown in (b) was destroyed. FIG. 15A is a perspective view showing the destroyed ink tank, and FIG. 15B is a sectional view of the destroyed ink tank taken along the same section as FIG. 14B.

As shown in FIGS. 15 (a) and 15 (b), when the movable lever 30b is pulled up in the direction of the arrow B, first, the portion of the thin portion 57 near the movable lever 30b is broken. Then, by further pulling up the movable lever 30b, the thin portion 57 is broken over a wide range, and the box member 51b is broken. In this way, by destroying the box member 51b, the box member 5
The ink absorber 53 and the joint member 54 in the box member 51b can be taken out from the broken portion of 1b.

Therefore, when the ink tank is reused after the ink in the ink tank has been used up, the polypropylene forming the box member 51b and the lid member 52 and the polyurethane forming the ink absorber 53 can be easily and inexpensively. , And each can be sent to another recycling step. As a result, it becomes easy to reuse the ink tank.

(Fourth Embodiment) FIG. 16 is a perspective view showing a liquid container according to a fourth embodiment of the present invention. The liquid storage container of the present embodiment is a four-color integrated type ink tank that separately stores four colors of yellow, cyan, magenta, and black inks, as compared with the first to third embodiments. There is a big difference in that the inside of the ink tank is divided into four rooms.

FIG. 17 is a sectional view of the ink tank shown in FIG. 17A is a sectional view taken along the line AA ′ of FIG. 16, and FIG. 17B is a sectional view taken along the line BB ′ of FIG. 16.
In addition, FIG. 18 is a partially enlarged view of the portion A shown in FIG.

In the ink tank as the liquid container of the present embodiment, FIGS. 16, 17 (a) and 17 (b) are used.
As shown in, the plate-shaped lid member 62 is joined to the upper surface of the rectangular parallelepiped box member 61. The inside of the box member 61 is divided into four chambers by threshold walls 61a, 61b, 61c which are perpendicular to the bottom surface of the lid member 62 and parallel to each other. Therefore, the four chambers in the box member 61 are arranged in a direction parallel to the lid member 62. The ink absorber 63 is housed in one of the four chambers, and the ink absorber 64 is arranged in a room adjacent to the one chamber.
Is stored. Further, the ink absorber 66 is stored in the room at the other end of the four rooms, and the ink absorber 65 is stored in the room adjacent to the room at the other end.

Therefore, from the box member 61 and the lid member 62,
A storage case is configured to store the ink absorbers 63, 64, 65, 66. The ink absorber 63 is for yellow ink, the ink absorber 64 is for cyan ink, the ink absorber 65 is for magenta ink, and the ink absorber 66.
Is for black ink. As a material for the box member 61 and the lid member 62, polypropylene is used, which is excellent in ink resistance, gas barrier property and transparency and is inexpensive. As a material for the ink absorbers 63, 64, 65, 66, a foamed polyurethane sponge excellent in ink holding property and negative pressure property is used.

Threshold walls 61a, 61b of the box member 61,
A breakable thin portion 68 arranged in the same plane is provided on both side surfaces parallel to 61c and the bottom portion of the box member 61. The lid member 62 also has a rupturable thin-walled portion 6 arranged in the same plane as the plane on which the thin-walled portion 68 is arranged.
7 is provided. The threshold wall 61a is provided with a thin portion 69a, the threshold wall 61b is provided with a thin portion 69b, and the threshold wall 61c is provided with a thin portion 69c. Thin portion 69
a, 69b, 69c are arranged in the same plane as the plane in which the thin portions 67 and 68 are arranged, and
Each of a, 69b, and 69c is breakable. Each of the thin portions 67, 68, 69a, 69b, 69c is provided by forming a groove in a portion of the box member 61 or the lid member 62 corresponding to each thin portion.

As shown in FIG. 18, the thin portion 69c is provided by forming grooves on both sides of the threshold wall 61c. Similarly to the thin wall portion 69c, the thin wall portions 69a and 69b are also provided by forming grooves on both sides of each of the threshold walls 61a and 61b.

In the ink tank of the present embodiment thus constructed, the thin portions 67, 68, 69a, 69b, 69 are formed.
By breaking c and breaking the box member 61 and the lid member 62, the ink absorbers 63, 6 in the ink tank are broken.
4,65 can be easily taken out.

FIG. 19 is a perspective view showing a state where the ink tank shown in FIG. 16 is destroyed. As shown in FIG. 19, the thin portions 67, 68, 69a, 69b, 69 described above are used.
By breaking c, the ink tank is broken and the box member 61 and the lid member 62 are separated. As a result, the four chambers containing the ink absorbers 63, 64, 65, 66 are opened, and the ink absorbers 63, 6 are opened.
4, 65 and 66 can be easily taken out from the ink tank.

The ink tank of this embodiment stores four colors of ink, but the inside of the storage case is partitioned into two or more rooms by one or more threshold walls, and two or more inks. Even in the ink tank containing the absorber, the breakable thin portion is provided on the threshold wall in the ink tank, so that the ink absorber can be easily taken out from the ink tank.

Therefore, when the ink tank is reused after the ink in the ink tank is used up, the polypropylene forming the box member 61 and the lid member 62 and the polyurethane forming the ink absorber 63 can be easily and inexpensively. , And each can be sent to another recycling step. As a result, it becomes easy to reuse the ink tank.

(Fifth Embodiment) FIG. 20 is a view for explaining a liquid container according to a fifth embodiment of the present invention. 20A is a perspective view showing the liquid storage container of the present embodiment, and FIG. 20B is a sectional view taken along the line AA ′ of FIG. 20A.

In the ink tank as the liquid container of the present embodiment, as shown in FIGS. 20 (a) and 20 (b), the ink absorber 7 is placed inside the box member 71 having a rectangular parallelepiped shape.
3 is stored. The ink is absorbed and held in the ink absorber 73, and the ink is stored in the ink tank together with the ink absorber 73. The upper surface of the box member 71 is open, and a plate-shaped lid member 72 that closes the opening of the upper surface is joined to the upper surface of the box member 71 by welding. From the box member 71 and the lid member 72, the ink absorber 73
A storage case for storing is configured. As the material of the box member 71 and the lid member 72, polypropylene, which is excellent in ink resistance, gas barrier property and transparency, and is inexpensive, is used. As a material of the ink absorber 73, a foamed polyurethane sponge excellent in ink holding property and negative pressure property is used.

A cylindrical ink supply port 75 extending from the bottom surface of the box member 71 toward the inside of the box member 71 is provided. A filter 74 is attached to the tip surface of the ink supply port 75. The filter 74 filters the ink passing through the filter 74 to remove dust from the ink.

Similar to the first embodiment, the side surface of the box member 71, which is the maximum surface area, is provided with a thin portion 77 that can be broken along the edge of the side surface. Also, the box member 71
A rupturable thin portion 76 is also provided on the lower surface of the peripheral portion of the ink supply port 75. That is, the box member 7
1, a thin portion 76 is provided around the portion to which the filter 74 is attached. By breaking the thin portion 76, the filter 74 and the ink supply port 75 as well as the box member 71 are provided.
Can be separated from.

FIG. 21 is a schematic diagram of FIG. 20 (a) and FIG.
It is a figure for demonstrating the state where the ink tank shown in (b) was destroyed. 21A is a perspective view showing the destroyed ink tank, and FIG. 21B is a sectional view of the destroyed ink tank taken along the same section as FIG. 20B.

As shown in FIG. 21A, the ink absorber 73 in the box member 71 can be taken out by breaking the thin portion 77 on the side surface of the box member 71 to break the side surface of the box member 71. it can. In addition, FIG.
As shown in (b), the ink supply port 75 and the filter 74 are separated from the box member 71 by breaking the thin portion 76 on the lower surface of the box member 71. The filter 74 is difficult to reuse, and the filter 74 separated from the box member 71 is discarded. Here, since the filter 74 is attached to the ink supply port 75 made of polypropylene, by cutting the ink supply port 75 from the filter 74, the portion of the box member 71 to be discarded can be extremely small. The plastic ink supply port 75 cut out from the filter 74 is reused together with the box member 71.

The ink tank of the present embodiment is for one color of ink, but in an integral type ink tank for storing a plurality of colors of ink, the ink tank is provided with a plurality of filters for each color. However, a thin portion may be provided so that each filter can be separated.

Therefore, when the ink tank is reused after the ink in the ink tank is used up, the polypropylene forming the box member 71 and the lid member 72 and the polyurethane forming the ink absorber 73 can be easily separated. , Each can be sent out for a different recycling process. As a result, it becomes easy to reuse the ink tank.

(Sixth Embodiment) FIG. 22 is a view for explaining an ink jet head cartridge according to a sixth embodiment of the present invention. 22A is a perspective view showing the inkjet head cartridge of the present embodiment, and FIG. 22B is a sectional view taken along the line AA ′ of FIG. 22A.

The ink jet head cartridge of this embodiment, as shown in FIGS. 22A and 22B, ejects ink supplied from the ink tank portion 80a for containing ink. The inkjet head unit 80b is integrated.
An ink absorber 83 is housed inside a box member 81 forming part of the ink tank portion 80a and the inkjet head portion 80b. The ink absorber 83 also enters inside the portion of the box member 81 corresponding to the inkjet head portion 80b.

The upper surface of the box member 81 is open, and a plate-like lid member 82 is provided on the upper surface of the box member 81 to close the opening of the upper surface.
Are joined by welding. A flexible printed board 87 having a plurality of electrodes and a heater board 8 connected to the flexible printed board 87 are provided on an outer wall surface of a portion of the box member 81 corresponding to the inkjet head portion 80b.
4 and 4 are joined. The heater board 84 is formed with an ejection port 84a for ejecting ink and a heater as an electrothermal converter that generates thermal energy used for ejecting ink from the ejection port 84a.

An ink flow path 86 communicating with the ejection port 84a of the heater board 84 is formed in the portion of the box member 81 to which the heater board 84 is joined. Ink flow path 8
A filter 85 for filtering the ink to remove dust from the ink is attached to the end of the ink absorber 6 on the side of the ink absorber 83. Therefore, the box member 81 and the lid member 82 form a storage case for storing the liquid, and the storage case is provided with an inkjet head for ejecting ink. As the material of the box member 81 and the lid member 82, polypropylene which is excellent in ink resistance, gas barrier property and transparency and is inexpensive is used. As a material of the ink absorber 83, a foamed polyurethane sponge excellent in ink holding property and negative pressure property is used.

Further, the ink tank portion 80 of the box member 81
A rupturable thin portion 88 is provided near the boundary between the a and the inkjet head portion 80b. The thin portion 88 is
By forming a groove on the exterior surface of the box member 81, the box member 8
1 is provided. By breaking the thin portion 88 to separate the ink tank portion 80a and the ink jet head portion 80b, the ink absorber 83 in the box member 81.
Can be taken out.

FIG. 23 is a schematic diagram of FIG.
It is a figure for demonstrating the state where the ink tank shown in (b) was destroyed. 23A is a perspective view showing the destroyed inkjet head cartridge, and FIG. 23B is a sectional view of the destroyed inkjet head cartridge taken along the same section as FIG. 22B.

As shown in FIGS. 23 (a) and 23 (b), when the ink jet head cartridge is broken by breaking the thin portion 88 described above and the ink tank portion 80a and the ink jet portion 80b are separated, ink absorption is achieved. The portion of the body 83 that has entered the inkjet head portion 80b is exposed. By pulling up the exposed portion of the ink absorber 83, the ink absorber 83
Can be taken out from the ink tank 80a. Here, the box member 81 is the ink tank portion 8 of the box member 81.
0a and the box member 81a, which is a portion corresponding to 0a
Is separated into a box member 81b which is a portion corresponding to the inkjet head portion 80b. By separating the ink tank portion 81 and the inkjet head portion 80b in this way, the ink absorber 83 can be easily separated from the box member 81 and the lid member 82.

Further, when the ink jet head portion 80b is separated from the ink tank portion 80a as described above, and the filter 85, the heater board 84 and the flexible printed circuit board 87 which are difficult to reuse are discarded, the box member 81 is disposed.
However, the part to be discarded can be extremely reduced.

Therefore, when the ink jet head cartridge is reused after the ink in the ink jet head cartridge is used up, the box member 81 and the lid member 8 are used.
The polypropylene forming the ink absorbing member 83 and the polyurethane forming the ink absorbing member 83 can be separated easily and inexpensively,
Each can be sent out for a separate recycling step.
As a result, the portion of the box member 81 to be discarded can be extremely reduced, and the inkjet head cartridge can be easily reused.

(Seventh Embodiment) FIG. 24 is a perspective view showing an ink jet head cartridge according to a seventh embodiment of the present invention. The inkjet head cartridge of the present embodiment is greatly different from that of the sixth embodiment in that a plurality of ink absorbers are separately housed inside the ink tank portion.

In the ink jet head cartridge of this embodiment, as shown in FIG. 24, an ink tank portion 90a for accommodating ink and an ink jet head portion 90b for ejecting the ink supplied from the ink tank portion 90a are integrated. It is a thing. As will be described later, a plurality of ink absorbers are stored inside the ink tank portion 90a and the box member 91 as a storage case that constitutes a part of the inkjet head portion 90b. Box member 91
An ejection unit 93 as an inkjet head that ejects the ink supplied from the ink tank portion 90a is provided at an end portion of the portion corresponding to the ink jet head portion 90b opposite to the ink tank portion 90a side.

The material of the box member 91 is ink resistance,
Inexpensive polypropylene is used because of its excellent gas barrier property and transparency. Ink absorbers 94, 95, 9
As the material of No. 6, a foamed polyurethane sponge excellent in ink holding property and negative pressure property is used.

Further, the ink tank portion 90 of the box member 91.
a near the boundary between the ink jet head 90b and
A rupturable thin wall portion 98 is provided. Thin part 98
Is provided on the box member 91 by forming a groove on the exterior surface of the box member 91. The thin portion 98 is broken to break the ink tank portion 90a and the ink jet head portion 90b.
By separating and, the plurality of ink absorbers in the box member 91 can be taken out.

FIG. 25 is a perspective view showing a state where the ink jet head cartridge shown in FIG. 24 is destroyed. As shown in FIG. 25, when the thin-walled portion 98 is broken to break the inkjet head cartridge and the ink tank portion 90a and the inkjet portion 80b are separated, the ink absorber 94 stored in the ink tank portion 90a,
95 and 96 are exposed. These ink absorbers 94, 9
The ink absorber can be separated from the box member 91a by pulling 5, 96 out of the ink tank portion 90a. Here, the box member 91 is a part of the box member 91 corresponding to the ink tank portion 90a.
And the box member 91b, which is a portion of the box member 91 corresponding to the inkjet head portion 90b.

When the ink jet head section 90b is separated from the ink tank section 90a as described above and the ejection unit 93 which is difficult to reuse is discarded, the box member 91 is used.
However, the portion to be discarded can be extremely reduced, and the box member 91 can be reused easily and efficiently.

Therefore, when the ink jet head cartridge is reused after the ink in the ink jet head cartridge has been used up, the polypropylene constituting the box member 91 and the polyurethane constituting the ink absorbers 94, 95, 96 can be easily separated. Then, each can be sent out for another recycling process. As a result, the portion of the box member 91 to be discarded can be extremely reduced, and the inkjet head cartridge can be easily reused.

[0126]

As described above, in the liquid container of the present invention, the thin wall portion is provided at the wall of the storage case for storing the absorber for holding the liquid, so that the thin wall portion can be broken. The absorber in the storage case can be easily taken out by breaking the storage case to destroy the storage case. Therefore, when the liquid storage container is reused, the storage case and the absorber can be easily separated, and the liquid storage container can be easily reused.

Further, when the storage case is composed of a box member for storing the absorber and a lid member joined to the box member, the joint portion of the storage case between the box member and the lid member is destroyed. Since it is difficult to do so, the thin portion can be easily broken by providing the thin portion in the portion excluding the joint portion.

Further, by providing the protrusion in the vicinity of the thin portion of the storage case, the thin portion can be easily broken by pulling the protrusion.

Further, a movable lever is provided on one surface of the storage case in order to mount and fix the storage case on the container holder provided with the ink jet head for discharging the liquid supplied from the absorber of the liquid storage container. Since the thin portion is provided in a portion of the storage case near the movable lever, the thin portion can be easily broken by pulling the movable lever.

Further, the liquid storage container of the present invention is a liquid storage container having a storage case for separately storing a plurality of absorbers, and is arranged on the same plane on the outer wall and the threshold wall of the storage case. By providing the rupturable thin portion, the plurality of absorbers can be easily taken out from the storage case by breaking the thin portion to break the storage case. Therefore, it is possible to easily separate the storage case and the plurality of absorbers, and it is possible to easily reuse the liquid storage container in which the plurality of absorbers are stored.

Furthermore, when the storage case is provided with a liquid supply port provided with a filter,
The rupturable thin portion is provided around the liquid supply port, so that the filter can be easily separated from the storage case by rupturing the thin portion and rupturing the portion near the liquid supply port of the storage case. be able to. Therefore, the filter, which is difficult to reuse, can be easily separated from the storage case, and the storage case can be easily reused.

Furthermore, the ink jet head cartridge of the present invention has an accommodating case for accommodating a liquid, and an ink jet head provided in the accommodating case. In the ink jet head cartridge, a portion of the accommodating case near the ink jet head is broken. Since the possible thin portion is provided, the thin portion can be broken to easily separate the inkjet head. Therefore, by separating the inkjet head that is difficult to reuse, when discarding the inkjet head,
There is an effect that the portion of the storage case to be discarded can be extremely reduced and the storage case can be easily reused.

Further, when the absorber is stored inside the storage case of the ink jet head cartridge,
Since the thin portion is provided so that the absorber is exposed from the storage case when the thin portion is broken, the absorber can be taken out from the storage case after the thin portion is broken. Therefore, it is possible to separate the inkjet head that is difficult to reuse, separate the absorbent body from the storage case, and send the storage case and the absorbent body to separate reuse steps. Can be used.

Furthermore, in the liquid storage container disassembling method of the present invention, a rupturable thin wall portion is provided on the wall forming the storage case for storing the absorbent body, and the storage case is ruptured by breaking the thin wall portion. By taking out the absorber from the inside and separating the storage case and the absorber, the storage case and the absorber can be easily separated, and the liquid storage container can be easily reused.

Furthermore, in the method for disassembling a liquid storage container of the present invention, the same wall is provided on the outer wall of the storage case and the threshold wall whose inside is divided into a plurality of chambers by a threshold wall for storing a plurality of absorbers. By providing a rupturable thin-walled portion arranged on a plane and breaking the thin-walled portion to take out the plurality of absorbers from the storage case and separating the storage case and the plurality of absorbers, The absorbent body can be easily separated from the absorbent body, and the liquid storage container can be easily reused.

Further, according to the method of disassembling the ink jet head cartridge of the present invention, the thin portion provided in the vicinity of the ink jet head of the storage case for storing the liquid is broken to separate the ink jet head, which makes reuse difficult. You can easily separate the inkjet head,
The part of the storage case separated from the inkjet head can be sent out for the reuse process. Therefore, when the inkjet head is discarded, the portion of the storage case to be discarded can be extremely reduced, and the storage case can be reused easily and efficiently.

[Brief description of drawings]

FIG. 1 is a diagram for explaining a liquid storage container according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of the ink tank shown in FIG. 1 taken along a line perpendicular to the line AA ′ and the lid member.

FIG. 3 is a diagram for explaining a state in which the ink tank shown in FIGS. 1 and 2 is destroyed.

FIG. 4 is a diagram for explaining an inkjet head cartridge having the ink tank shown in FIGS. 1 and 2.

5 is a cross-sectional view of the tank holder and the inkjet head shown in FIG.

FIG. 6 is a diagram for explaining an operation of mounting the ink tank shown in FIGS. 1 and 2 on a tank holder.

FIG. 7 is a perspective view showing a recording device in which the inkjet head cartridge shown in FIG. 4A is mounted.

FIG. 8 is a diagram for explaining a modified example of the ink tank shown in FIGS. 1 and 2.

9 is a diagram for explaining a state in which the ink tank shown in FIG. 8 is destroyed.

FIG. 10 is a diagram for explaining a liquid container according to a second embodiment of the present invention.

FIG. 11 is a diagram for explaining a state in which the ink tank shown in FIG. 10 is destroyed.

FIG. 12 is a diagram for explaining a modified example of the ink tank shown in FIG.

FIG. 13 is a diagram for explaining a state in which the ink tank shown in FIG. 12 is destroyed.

FIG. 14 is a diagram for explaining a liquid container according to a third embodiment of the present invention.

FIG. 15 is a diagram for explaining a state in which the ink tank shown in FIG. 14 is destroyed.

FIG. 16 is a perspective view showing a liquid storage container according to a fourth embodiment of the present invention.

FIG. 17 is a sectional view of the ink tank shown in FIG.

FIG. 18 is a partially enlarged view of part A shown in FIG.

19 is a perspective view showing a state in which the ink tank shown in FIG. 16 is broken.

FIG. 20 is a diagram for explaining a liquid storage container according to a fifth embodiment of the present invention.

FIG. 21 is a diagram for explaining a state in which the ink tank shown in FIG. 20 is destroyed.

FIG. 22 is a diagram for explaining an inkjet head cartridge according to a sixth embodiment of the present invention.

FIG. 23 is a diagram for explaining a state in which the ink tank shown in FIG. 22 is destroyed.

FIG. 24 is a perspective view showing an inkjet head cartridge of a seventh embodiment of the present invention.

25 is a perspective view showing a state where the inkjet head cartridge shown in FIG. 24 is broken.

FIG. 26 is a perspective view showing an ink jet recording apparatus according to a conventional technique.

FIG. 27 is a diagram for explaining the inkjet head cartridge mounted on the carriage shown in FIG. 26.

FIG. 28 is a diagram for explaining the ink tank shown in FIG. 27.

FIG. 29 is a diagram showing a state in which the ink tank shown in FIG. 27 is disassembled.

FIG. 30 is a perspective view showing a conventional ink tank that stores ink of four colors.

31 is a perspective view showing a state where the ink tank shown in FIG. 30 is disassembled.

FIG. 32 is a diagram for explaining an inkjet head cartridge according to a conventional technique.

[Explanation of symbols]

1 Carriage 2 Inkjet Head 3 Tank Holder 4 Lead Screw 5 Guide Shaft 6 Recording Paper 7 Paper Feed Roller 8 Paper Ejection Roller 9 Paper Pressing Plate 21 Inkjet Head Cartridge 30, 30a, 30b Movable Lever 31, 31a, 31b First Claw 32 , 32a, 32b Second claws 33, 33a, 33b, 75 Ink supply port 41 First hole 42 Second holes 50a, 50b, 50c, 50d Ink tanks 51, 51a, 51b, 61, 71, 81, 81a , 8
1b, 91, 91a, 91b Box member 52, 52a, 62, 72, 82 Lid member 53, 63-66, 73, 83, 94-96 Ink absorber 54 Joint member 55-57, 67, 68, 69a, 69b , 69c, 7
6, 77, 88, 98 Thin-walled portion 58, 59 Knobs 61a, 61b, 61c Threshold walls 74, 85 Filters 80a, 90a Ink tank portions 80b, 90b Inkjet head portion 84 Heater board 84a Discharge port 86 Ink flow passage 87 Flexible print Plate 93 ejection unit 201 silicon substrate 204 joint 205 base plate 206 ink flow path

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) B41J 2/175

Claims (16)

(57) [Claims] 1. A liquid storage container having an absorber that retains the liquid by absorbing the liquid, and a storage case that stores the absorber, in a wall that constitutes the storage case ,
Remove the absorber from the storage case and store it
A liquid container comprising a rupturable thin portion for separating the case and the absorber . Wherein said storage case, the liquid container according to claim 1, projections in the portion in the vicinity of the thin portion is provided. 3. A movable lever projecting from one surface of the storage case for mounting and fixing the storage case on a container holder equipped with an inkjet head that discharges liquid supplied from the absorber. It is provided, wherein the housing case, a liquid container according to claim 1, wherein the thin portion to the portion in the vicinity is provided of the movable lever. 4. A plurality of absorbers that retain the liquid by absorbing the liquid, and a storage case whose inside is partitioned into a plurality of chambers by a threshold wall for separately storing the plurality of the absorbers. A liquid storage container comprising: a liquid storage container having a rupturable thin portion arranged on the same plane on the outer wall and the threshold wall of the storage case. 5. The storage case is provided with a liquid supply port for supplying the liquid in the storage case to the outside of the storage case, and a filter is provided at an end of the liquid supply port inside the storage case. The liquid storage container according to any one of claims 1 to 4 , wherein the liquid storage container is provided, and a rupturable thin portion is provided in a portion of the storage case around the liquid supply port. 6. An ink jet head cartridge comprising a storage case for storing a liquid and an ink jet head provided in the storage case for ejecting a liquid supplied from the storage case, wherein the ink jet head in the storage case is in the vicinity of the ink jet head. An ink jet head cartridge, characterized in that a rupturable thin portion is provided at the portion. 7. An absorber that holds a liquid by absorbing the liquid is stored inside the storage case, and the absorber is exposed from the storage case when the thin portion is broken. The thin portion is provided so that
6. The inkjet head cartridge according to item 6 . 8. The inkjet head cartridge according to claim 6 , wherein a protrusion is provided in a portion of the storage case near the thin portion. 9. A method for disassembling a liquid storage container, comprising: an absorber that holds the liquid by absorbing the liquid; and a storage case that stores the absorber, the method comprising the step of breaking a wall forming the storage case. A method for disassembling a liquid storage container, wherein a possible thin portion is provided, the thin portion is broken to destroy the storage case, and then the absorber is taken out from the storage case to separate the storage case and the absorber. 10. The method for disassembling a liquid storage container according to claim 9 , wherein a protrusion is provided in a portion of the storage case near the thin portion, and the thin portion is broken by pulling the protrusion. 11. A movable lever projecting from one surface of the storage case for mounting and fixing the storage case on a container holder equipped with an inkjet head that discharges liquid supplied from the absorber. 10. The method for disassembling a liquid container according to claim 9 , wherein the thin portion is provided in a portion of the storage case near the movable lever, and the thin portion is broken by pulling the movable lever. . 12. A plurality of absorbers that retain the liquid by absorbing the liquid, and a storage case whose inside is partitioned into a plurality of rooms by a threshold wall for separately storing the plurality of the absorbers. A method for disassembling a liquid storage container comprising: a storage case, wherein the outer wall and the threshold wall of the storage case are provided with rupturable thin-walled portions arranged on the same plane, and the thin-walled portion is ruptured. A method for disassembling a liquid storage container, wherein the plurality of absorbent bodies are taken out from the storage case after the storage container is destroyed and the storage case and the plurality of absorbent bodies are separated. 13. The storage case is provided with a liquid supply port for supplying the liquid in the storage case to the outside of the storage case, and a filter is provided at an end of the liquid supply port inside the storage case. The storage case is provided with a rupturable thin-walled portion around the liquid supply port, and the thin-walled portion is ruptured to break the storage case, thereby separating the filter from the storage case. The method for disassembling a liquid storage container according to claim 9, wherein the liquid storage container is disassembled. 14. A method of disassembling an inkjet head cartridge, comprising: a storage case for storing a liquid; and an inkjet head provided in the storage case for discharging a liquid supplied from the storage case. A method for disassembling an inkjet head cartridge, wherein a rupturable thin portion is provided in the vicinity of the inkjet head, and the inkjet head is separated from the storage case by rupturing the thin portion and destroying the storage case. 15. An absorber that holds a liquid by absorbing the liquid is stored inside the storage case,
The thin portion is provided so that the absorber is exposed from the storage case when the thin portion is broken, and the absorber is taken out from the storage case after the thin portion is broken and the storage case is Separation from the absorber
14. The method for disassembling the inkjet head cartridge according to item 14 . 16. The method of disassembling an inkjet head cartridge according to claim 15 , wherein a protrusion is provided in a portion of the storage case near the thin portion, and the thin portion is broken by pulling the protrusion.