CN101219605B - Gas absorption device, method of manufacturing the same, and liquid container - Google Patents
Gas absorption device, method of manufacturing the same, and liquid container Download PDFInfo
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- CN101219605B CN101219605B CN2008100027206A CN200810002720A CN101219605B CN 101219605 B CN101219605 B CN 101219605B CN 2008100027206 A CN2008100027206 A CN 2008100027206A CN 200810002720 A CN200810002720 A CN 200810002720A CN 101219605 B CN101219605 B CN 101219605B
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Abstract
The present invention is a gas absorption device arranged in a liquid container storing a liquid fed to a liquid consumption apparatus. The device includes a decompressed container having an opening and a flexible film sealing the opening in the state that the decompressed container is internally decompressed. At least a part of a portion having an inner surface which receives the decompressed pressure in the decompressed container and an outer surface which is in contact with the liquid in the liquid container is formed by a gas permeable material through which gas dissolved in the liquid inthe liquid container can permeate. According to the present invention, gas dissolved in the liquid stored in the liquid container can be absorbed using a decompressed space and the existence of a decompressed status necessary to absorb gas can be easily examined.
Description
The application of this division is dividing an application of application number is 200410098896.8, the applying date is on December 13rd, 2004 application for a patent for invention, and the denomination of invention of this application for a patent for invention is " liquid container with gas absorbing device ".
Technical field
The present invention relates to be configured in liquid container gas inside absorption plant and manufacture method thereof that the liquid that offers liquid consuming device is stored, and the built-in liquid container of described gas absorbing device.Described gas absorbing device has the function that absorbs the gas in the liquid that is dissolved in described liquid container inside.
Background technology
As the representative example of existing liquid consuming device, have from the liquid injection apparatus of fluid jetting head atomizing of liquids, the representative example of this liquid injection apparatus has the inkjet recording device of being furnished with the recording ink jet recording head of image.Because the noise during the inkjet recording device printing is less, and can form point with high density, thereby in the majority printing that comprises colored printing, use recently.
As to the mode that with the inkjet recording device is the liquid consuming device supply liquid of representative, the mode of supplying liquid from the liquid container of having stored liquid to liquid consuming device is arranged.In addition, in liquid method of supplying based on this liquid container, for the liquid in liquid container when depleted the user can change liquid container easily, usually liquid container is made and is had with respect to the liquid consuming device structure of box removably.
In general, inkjet recording device comprises carriage, it is equipped with the record head that is used to spray ink droplet and moves back and forth along the recording surface of recording medium, as the mode of supplying ink from print cartridge to record head, following mode is arranged: print cartridge is installed on the carriage, from the mode of supplying ink to record head with the reciprocating print cartridge of record head.In addition, other modes also have: print cartridge is installed on the housing etc. of apparatus main body, and by the ink flow path that forms with flexible pipe etc. from the mode of print cartridge to record head supply ink.
Yet,, can produce N owing to the chemical reaction of dyestuff in the ink if place for a long time after in print cartridge, having filled ink
2In addition, when the anti-permeability of the ink tank that constitutes box hangs down, N
2Or O
2Might see through chamber wall sneaks into the ink from the outside.
Then, if dissolved N in the ink in print cartridge in a large number
2Or O
2State under print, then sometimes because pressure variation in ink when ejection etc. and in ink, produce bubble.If produce bubble as mentioned above in ink, then possibility causes the obstruction of ink flow path etc. owing to bubble, thereby produces bad ejection, and then causes the deterioration of printing quality.
For addressing the above problem, open in the flat 1-208145 communique the Japanese documentation spy, disclose the ink tank that following ink mist recording is used, it has the vacuum section that is contained by the next door parts, and described vacuum section is insoluble to the ink constituent and has gas permeability.
In addition, open in the flat 9-327930 communique the Japanese documentation spy, the ink tank that following ink-jet recording apparatus is used is disclosed, it is by being inserted into the breathable film in the ink tank, the gas extraction chamber that this ink tank is divided into ink chamber and is used for extracting the negative pressure of ink gas.
But, the Japanese documentation spy open disclosed in the flat 1-208145 communique, have in the ink tank of the vacuum section that contains with the next door parts, have following problem: the inspection of the decompression state in the vacuum section is extremely difficult, and waits during fabrication and can't confirm whether to guarantee predetermined decompression state.
In addition, the Japanese documentation spy open disclosed in the flat 9-327930 communique, the ink tank internal separation is become in the ink tank of ink chamber and gas extraction chamber by breathable film, exist the inspection of the decompression state in the gas extraction chamber extremely difficult equally, and wait the problem that to have confirmed whether to guarantee the predetermined pressure relief state during fabrication.
In addition, the Japanese documentation spy open disclosed in the flat 1-208145 communique, have in the ink tank of the vacuum section that contains with the next door parts, because this vacuum section is unfixing in ink tank, if thereby ink tank is applied in impacts such as vibration, whereabouts, thereby the vacuum section that is then contained by the next door parts may collide with the inner surface of ink tank and is damaged.In addition, for the ink bag that is formed by flexible pouch, if the vacuum section that is contained by the next door parts arrives the end position away from the ink supply port of ink bag, then the ink bag is difficult to be crushed, and becomes many problems thereby have the ink surplus.
In addition, drive the ink tank that flat 9-327930 communique is disclosed, by breathable film the ink tank internal separation is become ink chamber and gas extraction chamber for the Japanese documentation spy, owing to utilize the outside film that constitutes ink tank to form the relation of pressure reduction space, so the extremely loaded down with trivial details problem of operation that exists ink tank manufacturing and ink to fill.
In addition, open in the flat 9-327930 communique this Japanese documentation spy, the example that only forms pressure reduction space with the breathable film that is different from the outside film that constitutes ink tank is also disclosed, but in this example, because interior bag pressure reduction space forms the bag of the breathable film of parts and is configured on the position away from the ink supply port of ink tank, so thereby exist the ink bag ink surplus that is difficult to be crushed to become many problems.
Summary of the invention
The present invention makes in view of said circumstances, its purpose is to provide institute's dissolved gases in a kind of liquid that utilizes pressure reduction space to be absorbed in to be stored in the liquid container, and can easily detect whether have gas absorbing device and the manufacture method thereof that absorbs the necessary decompression state of gas, and the built-in liquid container of described gas absorbing device.
In addition, the object of the present invention is to provide a kind of liquid container, comprising: can utilize pressure reduction space to absorb and be dissolved in the gas absorbing device that is stored in the gas in the interior liquid of liquid container; And make and can not damaged so that constitute the inner surface of the flexible liquid bag of liquid container, and the flexible liquid bag that constitutes liquid container can not be difficult to the configuration optimization of gas absorbing device be crushed by gas absorbing device.
For addressing the above problem, gas absorbing device based on first feature of the present invention is a kind of gas inside absorption plant that is configured in the liquid container that the liquid that offers liquid consuming device is stored, it is characterized in that, comprise: pressure reduction vessel with opening, the fexible film of the described opening of sealing under the state after being depressurized with inside at described pressure reduction vessel, and, the pressure that is depressurized in the described pressure reduction vessel is born by inner surface, and contact at least a portion of part of the liquid in outer surface and the described liquid container is formed by poromeric material, and wherein said poromeric material can allow the gas permeation in the liquid that is dissolved in described liquid container inside.
In addition, at least a portion of described pressure reduction vessel is preferably formed by described poromeric material.
In addition, at least a portion of described fexible film is preferably formed by described poromeric material.
In addition, described poromeric material preferably comprises thermoplastic resin.
In addition, described thermoplastic resin is preferably any in polypropylene, polyethylene, the polystyrene.
In addition, described fexible film preferably by hot melt apply the described opening stick on described pressure reduction vessel airtightly around.
In order to address the above problem, be to be used for liquid container that the liquid that offers liquid consuming device is stored based on the liquid container of second feature of the present invention, it is characterized in that, comprising: described liquid is stored in its inner container body; With the above-mentioned arbitrary gas absorbing device that is configured in described container body inside.
In addition, described container body preferably is made of fexible film, and wherein said fexible film is formed by the gas permeability material littler than described poromeric material.
In addition, the described fexible film that constitutes described container body preferably has the single thin film or the lamination film of at least a film in aluminium foil interlayer film, evaporation silicon thin film and the evaporation aluminium foil interlayer film.
In addition, described liquid consuming device is preferably inkjet recording device, and described liquid container is preferably the print cartridge that can be installed on the described inkjet recording device with freely loading and unloading.
For addressing the above problem, manufacture method based on the gas absorbing device of the 3rd feature of the present invention is a kind of method that is configured in the liquid container gas inside absorption plant that the liquid that offers liquid consuming device is stored that is used to make, it is characterized in that, comprising: the operation that the pressure reduction vessel with opening is provided; With the operation of under the state that the inner pressure relief of described pressure reduction vessel is forced down for the pressure ratio atmosphere, sealing described opening by fexible film; And, the pressure that is depressurized in the described pressure reduction vessel is born by inner surface, and contact at least a portion of part of the liquid in outer surface and the described liquid container is formed by poromeric material, and wherein said poromeric material can allow the gas permeation in the liquid that is dissolved in described liquid container inside.
In addition, preferably also comprise the operation of checking the decompression state of described pressure reduction vessel inside based on the described fexible film deflection under atmospheric pressure of the described opening of sealing.
In addition, the operation of checking the decompression state of described pressure reduction vessel inside preferably uses optical pickocff to implement.
In addition, the operation of sealing opening by described fexible film is preferably in the internal implementation that pressure is depressurized to the pressure-reducing chamber of forcing down than atmosphere.
For addressing the above problem, based on the liquid container of the 4th feature of the present invention is to be used for liquid container that the liquid that offers liquid consuming device is stored, it is characterized in that, comprising: the flexible liquid bag, form by fexible film, described liquid is stored in its inside; The supply opening parts, it is arranged on the described flexible liquid bag, is used for described liquid is exported to the outside from described flexible liquid bag; Gas absorbing device, it has the pressure reduction space that is used for absorbing the described liquid institute dissolved gases that is stored in described flexible liquid bag inside, and, after independently forming with described flexible liquid bag, be configured in the inside of described flexible liquid bag and be fixed on the described supply opening parts.
In addition, described supply opening parts and described gas absorbing device are preferably in has common substantially profile on their coupling part, so that when thereby the liquid of described flexible liquid bag inside was consumed described flexible liquid bag and is crushed, described flexible liquid bag was close to the outer surface of described gas absorbing device easily.
In addition, at least a portion of the external surface shape of best described gas absorbing device has circle, so that when thereby the liquid of described flexible liquid bag inside was consumed described flexible liquid bag and is crushed, described flexible liquid bag was close to the outer surface of described gas absorbing device easily.
In addition, the end of the opposite side of part with on being connected described supply opening parts of described gas absorbing device is preferably formed as and is flat, so that when thereby the liquid of described flexible liquid bag inside was consumed described flexible liquid bag and is crushed, described flexible liquid bag was close to the outer surface of described gas absorbing device easily.
In addition, described gas absorbing device preferably includes: the pressure reduction vessel with opening; Fexible film with the described opening of sealing under the state that is depressurized in described pressure reduction vessel inside; And, the pressure that is depressurized in the described pressure reduction vessel is born by inner surface, and contact at least a portion of part of the liquid in outer surface and the described liquid container is formed by poromeric material, and wherein said poromeric material can allow the gas permeation in the liquid that is dissolved in described liquid container inside.
In addition, seal the described fexible film of the described opening of described pressure reduction vessel and preferably be close to described opening, this opening is formed on the part relative with described supply opening parts of described gas absorbing device.
In addition, the described opening of described pressure reduction vessel preferably forms with the size less than the part relative with described gas absorbing device of described supply opening parts.
In addition, preferably also have fixture, be used for described gas absorbing device is fixed on described supply opening parts.
In addition, described fixture preferably has: be arranged at the claw-like projection on the described supply opening parts; Be arranged on the described gas absorbing device and described claw-like projection can be inserted the block button hole that wherein carries out buckle.
In addition, preferably also has check valve apparatus, this check valve apparatus is only worked as described liquid and is being opened when the direction that flows out to the outside from described flexible liquid bag flows, described check valve apparatus has: independently form and be installed in check valve cover on the described supply opening parts with described supply opening parts, and be contained in the valve body between described check valve cover and the described supply opening parts; And described claw-like projection is set on the described check valve cover.
In addition, described check valve cover preferably and the described pressure reduction vessel of described gas absorbing device is integrally formed and can carry out displacement between the fixed position of described fixture and release position.
In addition, at least a portion of described pressure reduction vessel is preferably formed by described poromeric material.
In addition, at least a portion of described fexible film is preferably formed by described poromeric material.
In addition, described poromeric material preferably comprises thermoplastic resin.
In addition, described thermoplastic resin is preferably in polypropylene, polyethylene, the polystyrene any.
In addition, described fexible film preferably by hot melt apply the described opening stick on described pressure reduction vessel airtightly around.
In addition, described liquid consuming device is preferably inkjet recording device, and described liquid container is preferably the print cartridge that can be installed on the described inkjet recording device with freely loading and unloading.
The present invention according to possessing above-mentioned first, second or the 3rd feature can provide: can absorb institute's dissolved gases in the liquid that is stored in liquid container, and can easily check the gas absorbing device that whether has necessary decompression state; The built-in liquid container of described gas absorbing device; And the manufacture method of described gas absorbing device.
In addition, according to the present invention with above-mentioned the 4th feature, a kind of liquid container can be provided, described liquid container comprises the gas absorbing device of institute's dissolved gases in the liquid that utilizes pressure reduction space to absorb to be stored in liquid container, and can be with the configuration optimization of gas absorbing device, the inner surface that make to constitute the flexible liquid bag of liquid container can be because of gas absorbing device damage, and makes the flexible liquid bag that constitutes liquid container can not be difficult to be crushed.
Description of drawings
By with reference to the following explanation of following accompanying drawing, above-mentioned or other purposes can be clear and definite of the present invention, feature, and advantage.
Fig. 1 is the stereogram of inkjet recording device that the print cartridge of an embodiment of the invention has been installed in expression;
Fig. 2 is the exploded perspective view of the print cartridge of expression an embodiment of the invention, is the schematic diagram of the state after the housing parts of print cartridge is opened.
Fig. 3 is the exploded perspective view of the print cartridge of expression an embodiment of the invention, is the schematic diagram of the state after decomposing with the housing parts opening of print cartridge and with ink tank 2;
Fig. 4 is the state of print cartridge shown in Fig. 3 is seen in expression from other angle a exploded perspective view;
Fig. 5 A and Fig. 5 B are the perspective elevation of ink tank of the print cartridge of expression an embodiment of the invention, are the schematic diagrames of the state that arrives from a different perspective respectively;
Fig. 6 A to Fig. 6 F is the ink supply port parts in an embodiment of the invention and the schematic diagram of gas absorbing device, and Fig. 6 A is a plane, and Fig. 6 B is a side view, Fig. 6 C is the profile along the B-B line, Fig. 6 D is the profile along the A-A line, and Fig. 6 E is a rearview, and Fig. 6 F is a front view;
Fig. 7 A to Fig. 7 D is the ink supply port parts in an embodiment of the invention and the schematic diagram of gas absorbing device, and Fig. 7 A and Fig. 7 B are the stereograms that arrives from a different perspective respectively, and Fig. 7 C and Fig. 7 D are the exploded perspective views that arrives from a different perspective respectively;
Fig. 8 A and Fig. 8 B are the figure that is used for illustrating the method for the gas absorbing device of making an embodiment of the invention, Fig. 8 A is the schematic diagram of the operation of sticking flexible film on pressure reduction vessel, and Fig. 8 B is the schematic diagram of operation of checking the decompression state of pressure reduction vessel;
Fig. 9 A to Fig. 9 F is the ink supply port parts in the variation of an embodiment of the invention and the schematic diagram of gas absorbing device, Fig. 9 A is a plane, Fig. 9 B is a side view, Fig. 9 C is the profile along the B-B line, Fig. 9 D is the profile along the A-A line, Fig. 9 E is a rearview, and Fig. 9 F is a front view;
Figure 10 A to Figure 10 D is the ink supply port parts in the variation of an embodiment of the invention and the schematic diagram of gas absorbing device, Figure 10 A and Figure 10 B stereogram for arriving from a different perspective respectively, Figure 10 C and Figure 10 D exploded perspective view for arriving from a different perspective respectively;
Figure 11 A to Figure 11 D is the pressure reduction vessel in the variation shown in Figure 10 A to Figure 10 D and the schematic diagram of check valve cover, Figure 11 A and Figure 11 C are in the plane and the stereogram of state of the release position of fixture for expression check valve cover, Figure 11 B and Figure 11 D are in the plane and the stereogram of state of the fixed position of fixture for expression check valve cover.
The specific embodiment
Below, an embodiment as the liquid container of built-in gas absorbing device of the present invention describes with print cartridge inkjet recording device with reference to accompanying drawing.
Fig. 1 is the stereogram that expression is installed in the print cartridge 1 of present embodiment the inkjet recording device 100 on the box installation portion 101.Be provided with six box installation portions 101 in this example in inkjet recording device 100, each box installation portion 101 is towards the front surface opening of inkjet recording device 100.In addition, six box installation portions 101 are set up in parallel in same horizontal plane, and six print cartridges 1 are tiled and are set up in parallel.
As shown in Figure 2, print cartridge 1 comprises ink tank (liquid container) 2 and the built-in rigid housing parts 50 of this ink tank 2.Housing parts 50 is made up of the housing body 50A of upper surface open and the cover 50B that seals the upper surface open of this housing body 50A.On the side of housing parts 50, be provided with circuit board 51, the IC (semiconductor memory component) of the information such as kind, surplus of storage ink has been installed on it.
As shown in Figures 3 and 4, in the outboard end of ink supply port parts 4, will be disposed at inside by the spring base 7 that spring 6 is setovered, and seal member 8 will be installed.In addition, at the medial end of ink supply port parts 4, valve body 9 is disposed at inside and check valve cover 10 is installed.This check valve cover 10 with ink supply port parts 4 each self-forming after, (Hot カ シ メ) is installed to described check valve cover 10 on the ink supply port parts 4 by hot riveting.
The check valve apparatus 17 that is made of valve body 9 and check valve cover 10 plays following effect, and promptly it has only when ink and is just opening when the direction that flows out to the outside from flexible pouch 3 flows.
As shown in Figure 4, on the front surface of housing parts 50, be formed with the pressure fluid introducing port 52 that is used for pressure fluid is imported housing parts 50 inside, thereby wherein said pressure fluid is exerted pressure from ink tank 2 output inks to the ink of housing parts 50 inside.In addition, be formed with a pair of locating hole 53a, 53b on the front surface of housing parts 50, a pair of locator protrusions portion that is arranged on the box installation portion 101 can insert wherein.
In addition, a corner that comprises the housing parts 50 of front surface is provided with mistake and installs and prevent structure 54.When being installed in print cartridge 1 on the inkjet recording device 100, for the print cartridge 1 of installation provision ink kind correctly on assigned position, this mistake is installed and is prevented that structure 54 has been endowed definite shape, and this shape makes other print cartridges except that the print cartridge of correct ink kind to install.
In addition, on the front surface of housing parts 50, be formed with the ink supply port 55 of the top ends of configuration ink supply port parts 4.
Shown in Fig. 3 to Fig. 5 B, gas absorbing device 5 comprises the pressure reduction vessel 12 with opening 11 and the fexible film 13 of the state lower seal make and break mouth 11 after pressure reduction vessel 12 inside are depressurized.Gas absorbing device 5 is configured in the inside of flexible ink bag 3 after being individually formed with flexible ink bag 3, and is fixed on the ink supply port parts 14.
The outer surface of gas absorbing device 5 is whole to be contacted with the ink of ink tank 2 inside.In addition, in this gas absorbing device 5, the pressure that is depressurized in the pressure reduction vessel 12 is born by inner surface, and at least a portion that the ink in outer surface and the ink tank 2 contacts in the part is formed by poromeric material, and described poromeric material can allow the gas permeation in the ink that is dissolved in ink tank 2 inside.More particularly, at least a portion of at least a portion of pressure reduction vessel 12 and/or fexible film 13 is formed by poromeric material.Preferably the integral body of pressure reduction vessel 12 and/or the integral body of fexible film 13 are formed by poromeric material, thus guaranteed and ink between big contact area.
Here, poromeric material contains thermoplastic resin, is preferably in polypropylene, polyethylene, the polystyrene any.Described thermoplastic resin is the material that is difficult to the ink chemically reactive, but also is the material that possesses appropriate gas permeability.
The flexible ink bag 3 of ink tank 2 is formed by fexible film, and this fexible film is made by the gas permeability material littler than the gas permeability of the poromeric material of at least a portion that constitutes gas absorbing device 5.Specifically, constitute flexible ink bag 3 by single thin film or lamination film with at least a film in aluminium foil interlayer film, evaporation silicon thin film and the evaporation aluminium foil interlayer film.
So, by form the flexible ink bag 3 of ink tank 2 with fexible film, wherein this fexible film is made by the gas permeability material littler than the gas permeability of the poromeric material of at least a portion that constitutes gas absorbing device 5, is added to gas in the ink thereby can absorb the flexible ink bag 3 that sees through ink tank 2 reliably by gas absorbing device 5.
Shown in Fig. 6 A to Fig. 7 D, when the liquid of ink tank 2 inside is consumed and flexible ink bag 3 when being crushed, in order to make flexible ink bag 3 be adjacent to the outer surface of gas absorbing device 5 easily, ink supply port parts 4 have identical substantially profile with the pressure reduction vessel 12 of gas absorbing device 5 on their coupling part, in addition, the external surface shape of the pressure reduction vessel 12 of gas absorbing device 5 has circle.In addition, the end 5a of the opposite side of part with on being connected ink supply port parts 4 of gas absorbing device 5 is formed flat.
Thus, the flexible pouch 3 that is crushed owing to the consumption of ink fully is adjacent to the outer surface at ink supply port parts 4 and gas absorbing device 5, can't consume and remains in quantity of ink in the ink tank 2 thereby can reduce.
In addition, the opening 11 of pressure reduction vessel 12 forms with the size less than the part relative with gas absorbing device 5 of ink supply port parts 4.Thus, can carry out the installation of gas absorbing device 5 without barrier with respect to ink supply part 4.In addition, between ink supply port parts 4 and gas absorbing device 5, there is not ladder, thereby the flexible ink bag 3 that is crushed owing to the consumption of ink fully is adjacent to the outer surface at ink supply port parts 4 and gas absorbing device 5, can't consume and remains in quantity of ink in the ink tank 2 thereby can reduce.
In addition, because the fexible film 13 of gas absorbing device 5 is close to opening 11, on the part relative that this opening 11 is formed at gas absorbing device 5 with ink supply port parts 4, so, can cover and hide, make it between gas absorbing device 5 and ink supply port parts 4 and do not occur on the outer surface for being close to the stickup face of the essential planar shaped of fexible film 13.Thus, thus when the ink in the ink tank 2 was consumed flexible ink bag 3 and is crushed, flexible ink bag 3 can not hindered by the stickup face of planar shaped to being close to of gas absorbing device 5 outer surfaces.Thereby the flexible ink bag 3 that is crushed owing to the consumption of ink fully is adjacent to the outer surface at ink supply port parts 4 and gas absorbing device 5, and then can reduce and can't consume and remain in quantity of ink in the ink tank 2.
In the present embodiment, a pair of claw-like projection 15 is not to be set directly on the ink supply port parts 4, but after forming with check valve cover 10, attaches it on the ink supply port parts 4 by this check valve cover 10.
In addition, when being installed in gas absorbing device 5 on the ink supply port parts 4, connecting by a pair of claw-like projection 15 is fastened on a pair of block button hole 16, thereby can assemble simply.Therefore, can reduce manufacturing cost.
Then, the manufacture method to above-mentioned gas absorption plant 5 describes.
At first, prepare to have the pressure reduction vessel 12 of opening 11.Then, under the state that the inner pressure relief of pressure reduction vessel 12 is forced down to the pressure ratio atmosphere, with fexible film 13 sealing openings 11.Shown in Fig. 8 A, this closing step is to implement in the inside that is depressurized to the pressure-reducing chamber 200 that the pressure ratio atmosphere forces down.
Then, pressure reduction vessel 12 200 taking-ups from the pressure-reducing chamber of fexible film 13 will have been pasted.Then, shown in Fig. 8 B, wait fexible film 13 deflection under atmospheric pressure of measuring sealing opening 11, and check the decompression state of pressurizing vessel 12 inside based on the deflection of fexible film 13 by optical pickocff 201.
As mentioned above, at least a portion of at least a portion of pressure reduction vessel 12 and/or fexible film 13 is formed by poromeric material.
As mentioned above, according to present embodiment, because at least a portion of the pressure reduction vessel 12 of gas absorbing device 5 and/or at least a portion of fexible film 13 are formed by poromeric material, thus be dissolved in the gas permeable gas absorbing device 5 in the ink poromeric material part and be absorbed into the inside of the pressure reduction vessel 12 of decompression state.Thus, can suppress because pressure variation in when printing etc. and produce gas in the ink in ink tank 2, thereby prevent that generation owing to gas from causing the reduction of printing quality.
In addition, in the present embodiment, thereby owing to can seal the opening 11 formation gas absorbing devices 5 of the pressure reduction vessel 12 that is in decompression state by fexible film 13, so, can make the gas absorbing device 5 that inside has been depressurized simply, and can be by detecting the deflection of fexible film 13 by optical pickocff 201 etc., thereby detect the decompression state of making pressure reduction vessel 12 when waiting simply.
In addition, in the present embodiment, owing to gas absorbing device 5 is fixed on the ink supply port parts 4 by fixture 14, so, even when ink tank 2 has been applied in vibration, whereabouts etc. and impacts, do not have that gas absorbing device 5 moves in the inside of ink tank 2 and the thing that hurts the inner surface of flexible ink bag 3 yet.
And, because the installation site of gas absorbing device 5 is in ink supply port one side, so thereby flexible ink bag 3 is difficult to flatten a lot of situation of ink surplus when not having consumption of ink.In addition,, can guarantee when flexible ink bag 3 is crushed, to be used to make to remain in the stream that flows to the ink supply oral-lateral with the ink of ink supply port opposition side, have the effect that reduces the ink surplus thus by gas absorbing device 5 being configured in ink supply port one side of ink tank 2.
In addition, in the present embodiment, owing to gas absorbing device 5 is fixed on the ink supply port parts 4 by fixture 14, even thereby when ink tank 2 has been applied in vibration, whereabouts etc. and impacts, do not have that gas absorbing device 5 moves in the inside of ink tank 2 and the thing that hurts the inner surface of flexible ink bag 3 yet.
And, because the installation site of gas absorbing device 5 is in ink supply port one side, so thereby flexible ink bag 3 is difficult to flatten a lot of situation of ink surplus when not having consumption of ink.In addition,, can guarantee when flexible ink bag 3 is crushed, to be used to make to remain in the stream that flows to the ink supply oral-lateral with the ink of ink supply port opposition side, have the effect that the ink surplus reduces thus by gas absorbing device 5 being configured in ink supply port one side of ink tank 2.
Then, shown in Fig. 9 A to Figure 11 D, as a variation of above-mentioned embodiment, can one-way valve member 10 is integrally formed with the pressure reduction vessel 12 of gas absorbing device 5.Specifically, one-way valve member 10 is connected on the pressure reduction vessel 12, makes it between the fixed position of fixture 14 (Figure 11 B, Figure 11 D) and release position (Figure 11 A, Figure 11 C), carry out displacement by flexible sheets 18.
In this variation, can obtain the effect same, and can seek to reduce manufacturing cost by reducing part count with above-mentioned embodiment.
More than preferred implementation of the present invention has been carried out being described in detail to a certain degree, but obviously a lot of variations or distortion can be arranged.Therefore, be understandable that, only otherwise depart from the scope of the present invention and spirit, can implement the present invention in the mode outside the mode of having done special narration here.
Claims (17)
1. a liquid container is used for the liquid that offers liquid consuming device is stored, and it comprises:
Fluid bag has by the film formed flexible part of flexible thin, at the described liquid of internal storage;
The supply opening parts, it is arranged on the described fluid bag, is used for described liquid is exported to the outside from described fluid bag;
Gas absorbing device, it has the pressure reduction space that is used for absorbing the described liquid institute dissolved gases that is stored in described fluid bag inside, and, after independently forming with described fluid bag, be configured in the inside of described fluid bag and be fixed on the described supply opening parts.
2. liquid container as claimed in claim 1, it is characterized in that, described supply opening parts and described gas absorbing device have common profile on their coupling part, so that when thereby the liquid of described fluid bag inside was consumed described fluid bag and is crushed, described fluid bag was close to the outer surface of described gas absorbing device easily.
3. liquid container as claimed in claim 1 or 2, it is characterized in that, at least a portion of the external surface shape of described gas absorbing device has circle, so that when thereby the liquid of described fluid bag inside was consumed described fluid bag and is crushed, described fluid bag was close to the outer surface of described gas absorbing device easily.
4. liquid container as claimed in claim 1 or 2, it is characterized in that, the end of the opposite side of part with on being connected described supply opening parts of described gas absorbing device forms flat, so that when thereby the liquid of described fluid bag inside was consumed described fluid bag and is crushed, described fluid bag was close to the outer surface of described gas absorbing device easily.
5. liquid container as claimed in claim 1 or 2 is characterized in that, described gas absorbing device comprises: the pressure reduction vessel with opening; The fexible film of the described opening of sealing under the state that is depressurized in described pressure reduction vessel inside; And, the pressure that is depressurized in the described pressure reduction vessel is born by inner surface, and contact at least a portion of part of the liquid in outer surface and the described liquid container is formed by poromeric material, and wherein said poromeric material can allow the gas permeation in the liquid that is dissolved in described liquid container inside.
6. liquid container as claimed in claim 5 is characterized in that, seals the described fexible film of the described opening of described pressure reduction vessel and is close to described opening, and this opening is formed on the part relative with described supply opening parts of described gas absorbing device.
7. liquid container as claimed in claim 6 is characterized in that, the described opening of described pressure reduction vessel forms with the size less than the part relative with described gas absorbing device of described supply opening parts.
8. liquid container as claimed in claim 1 or 2 is characterized in that, also has fixture, is used for described gas absorbing device is fixed on described supply opening parts.
9. liquid container as claimed in claim 8 is characterized in that, described fixture has: be arranged at the claw-like projection on the described supply opening parts; Be arranged on the described gas absorbing device, and described claw-like projection can be inserted the block button hole that wherein carries out buckle.
10. liquid container as claimed in claim 9, it is characterized in that, also has check valve apparatus, this check valve apparatus is only being opened when the direction that flows out to the outside from described fluid bag flows when described liquid, and described check valve apparatus has: independently form and be installed in check valve cover on the described supply opening parts with described supply opening parts; And be contained in valve body between described check valve cover and the described supply opening parts; And described claw-like projection is set on the described check valve cover.
11. liquid container as claimed in claim 10 is characterized in that, the described pressure reduction vessel of described check valve cover and described gas absorbing device is integrally formed and can carry out displacement between the fixed position of described fixture and release position.
12. liquid container as claimed in claim 5 is characterized in that, at least a portion of described pressure reduction vessel is formed by described poromeric material.
13. liquid container as claimed in claim 5 is characterized in that, at least a portion of described fexible film is formed by described poromeric material.
14. liquid container as claimed in claim 5 is characterized in that, described poromeric material comprises thermoplastic resin.
15. liquid container as claimed in claim 14 is characterized in that, described thermoplastic resin be in polypropylene, polyethylene, the polystyrene any.
16. liquid container as claimed in claim 5 is characterized in that, described fexible film apply by hot melt the described opening stick on described pressure reduction vessel airtightly around.
17. liquid container as claimed in claim 1 or 2 is characterized in that, described liquid consuming device is an inkjet recording device,
Described liquid container for being installed in the print cartridge on the described inkjet recording device with freely loading and unloading.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003413454 | 2003-12-11 | ||
| JP2003413454A JP4277271B2 (en) | 2003-12-11 | 2003-12-11 | GAS ABSORBING DEVICE, ITS MANUFACTURING METHOD, AND LIQUID CONTAINER |
| JP2003413488A JP4284651B2 (en) | 2003-12-11 | 2003-12-11 | Liquid container |
| JP2003-413454 | 2003-12-11 | ||
| JP2003413488 | 2003-12-11 | ||
| JP2003-413488 | 2003-12-11 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100988968A Division CN100382972C (en) | 2003-12-11 | 2004-12-13 | Gas absorbing device and its mfg. method and liquid vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101219605A CN101219605A (en) | 2008-07-16 |
| CN101219605B true CN101219605B (en) | 2011-09-07 |
Family
ID=34733590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100027206A Expired - Fee Related CN101219605B (en) | 2003-12-11 | 2004-12-13 | Gas absorption device, method of manufacturing the same, and liquid container |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4277271B2 (en) |
| CN (1) | CN101219605B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4929798B2 (en) | 2006-04-05 | 2012-05-09 | セイコーエプソン株式会社 | Liquid container, method for manufacturing the same, and ink jet recording apparatus using the liquid container |
| US8136932B2 (en) | 2007-07-10 | 2012-03-20 | Seiko Epson Corporation | Liquid storage container and liquid filling method and liquid refilling method using the same |
| JP2010105387A (en) | 2008-10-01 | 2010-05-13 | Seiko Epson Corp | Liquid ejecting apparatus |
| CN102615982A (en) * | 2011-01-31 | 2012-08-01 | 世界网络株式会社 | Ink tank and ink cartridge |
| JP5776315B2 (en) * | 2011-05-02 | 2015-09-09 | セイコーエプソン株式会社 | Liquid cartridge |
| JP6286845B2 (en) * | 2013-03-22 | 2018-03-07 | 富士通株式会社 | Thermoelectric element mounting module and manufacturing method thereof |
| JP6195054B2 (en) * | 2013-03-25 | 2017-09-13 | セイコーエプソン株式会社 | Liquid container |
| JP6115714B2 (en) * | 2013-03-25 | 2017-04-19 | セイコーエプソン株式会社 | Liquid container |
| JP6364726B2 (en) | 2013-09-17 | 2018-08-01 | セイコーエプソン株式会社 | Liquid container |
| JP6264109B2 (en) | 2014-03-14 | 2018-01-24 | セイコーエプソン株式会社 | Liquid container |
| JP2015174264A (en) * | 2014-03-14 | 2015-10-05 | セイコーエプソン株式会社 | Injection method and liquid storage container |
| JP6393541B2 (en) * | 2014-07-17 | 2018-09-19 | 株式会社ミマキエンジニアリング | Storage container, connection device and connection method |
| US10946665B2 (en) * | 2017-07-12 | 2021-03-16 | Hewlett-Packard Development Company, L.P. | Determining an out-of-liquid condition |
| JP7155940B2 (en) | 2018-11-27 | 2022-10-19 | セイコーエプソン株式会社 | GAS ABSORBER, LIQUID CONTAINER, LIQUID CONTAINER, AND LIQUID EJECTOR |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5425803A (en) * | 1992-11-16 | 1995-06-20 | Novellus Systems, Inc. | Device for removing dissolved gas from a liquid |
| CN1394752A (en) * | 2001-06-28 | 2003-02-05 | 兄弟工业株式会社 | Ink case |
-
2003
- 2003-12-11 JP JP2003413454A patent/JP4277271B2/en not_active Expired - Fee Related
-
2004
- 2004-12-13 CN CN2008100027206A patent/CN101219605B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5425803A (en) * | 1992-11-16 | 1995-06-20 | Novellus Systems, Inc. | Device for removing dissolved gas from a liquid |
| CN1394752A (en) * | 2001-06-28 | 2003-02-05 | 兄弟工业株式会社 | Ink case |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4277271B2 (en) | 2009-06-10 |
| CN101219605A (en) | 2008-07-16 |
| JP2005169851A (en) | 2005-06-30 |
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