JP4360137B2 - Liquid conducting material and liquid ejecting apparatus - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a liquid conducting material and a liquid ejecting apparatus. In particular, the present invention relates to a liquid conducting material that is used in a liquid ejecting apparatus that ejects liquid onto a target and supplies the liquid in the liquid supply unit to the liquid ejecting part, and a liquid ejecting apparatus that uses the liquid conducting material.
[0002]
[Prior art]
For example, a liquid ejecting apparatus such as an ink jet recording apparatus performs recording or the like by ejecting liquid onto a target while reciprocating a liquid ejecting unit. A liquid (for example, ink) ejected to the target is supplied from a liquid supply unit (for example, a cartridge) to a liquid ejection unit (for example, a recording head). As a liquid ejecting apparatus, there is a type in which a liquid ejecting unit is mounted on a carriage that reciprocates and a liquid supply unit is provided in a main body of the liquid ejecting apparatus (see Patent Document 1).
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 2001-212974
[Problems to be solved by the invention]
When the liquid supply unit is provided in the main body of the liquid ejecting apparatus, it is necessary to provide the liquid ejecting apparatus with a liquid conducting material that conducts the liquid from the liquid supply unit to the liquid ejecting unit. Conventionally, a polyethylene tube has been used as a liquid conducting material. Here, when the liquid ejecting unit ejects a plurality of types of liquids, a plurality of polyethylene tubes are used in the liquid ejecting apparatus. At this time, labor was required when attaching the polyethylene tube to the liquid ejecting apparatus.
[0005]
Accordingly, an object of the present invention is to provide a liquid conducting material and a liquid ejecting apparatus that can solve the above-described problems. This object is achieved by a combination of features described in the independent claims. The dependent claims define further advantageous specific examples of the present invention.
[0006]
[Means for Solving the Problems]
In order to solve the above problem, a first aspect of the present invention is used in a liquid ejecting apparatus that ejects liquid onto a target in a liquid ejecting area, and a liquid holding unit provided in a main body of the liquid ejecting apparatus, and a liquid A liquid conducting material that conducts to a liquid ejecting unit to be ejected and supplies liquid to the liquid ejecting unit, and is provided with three or more protrusions spaced apart from each other along the longitudinal direction, and is made of a flexible material. The elongated base material to be formed, the flat plate-like long material that is bonded to the base material over the width direction of the base material while covering the end surface of the protrusion, and the gap between the protrusions And a plurality of liquid channel portions formed of a flat plate-like long material, and the base material and the plate-like long material are provided for each flow channel portion at least at one end in the longitudinal direction of the liquid conduction material. In addition, the liquid conducting material is further conducted to the liquid holding unit or the liquid ejecting unit. It is two-color molding together with the base material at high rigidity resin than the base material, comprising a connecting member provided in each flow path portion at one end, to provide a liquid conduction materials.
[0007]
The second aspect of the present invention is used in a liquid ejecting apparatus that ejects liquid onto a target in a liquid ejecting area, and includes a liquid holding unit provided in a main body of the liquid ejecting apparatus, and a liquid ejecting unit that ejects liquid. A liquid conducting material that conducts and supplies liquid to the liquid ejecting section, and has a plurality of grooves spaced apart from each other along the longitudinal direction, and a long base material formed of a flexible material; A flat plate-like long material that covers the opening surface of the groove portion and is bonded to the base material, and a plurality of liquid flow passage portions formed of the groove portion and the flat plate-like long material. The material and the flat plate-like long material are formed separately for each flow path part at at least one of the longitudinal ends of the liquid conducting material, and the liquid conducting material is further formed in the liquid holding unit or the liquid ejecting unit. In order to make it conductive, it is molded in two colors with the base material with a resin that is stiffer than the base material, Comprising a connecting member provided for each flow passage portion at an end portion, to provide a liquid conduction materials.
[0008]
According to the liquid conducting material according to the first and second embodiments, the base material and the plate-like elongated material are formed of a flexible material, and a plurality of types of liquid are conducted with one liquid conducting material. Can do. For this reason, the liquid conducting material can be easily attached to the liquid ejecting apparatus. Moreover, the edge part of a longitudinal direction is formed separately for every flow-path part, and has a connection member shape | molded by resin with rigidity larger than a base material for every flow-path part. Therefore, the liquid conducting material can be easily conducted to the liquid ejecting unit or the liquid holding unit.
[0009]
In the first or second embodiment, the connecting member may include a needle-like member having a hollow portion that is narrower than the flow path portion and communicates with the flow path portion at the distal end portion. In this case, the connecting member is easily inserted into the liquid holding unit or the liquid ejecting unit.
[0010]
According to a third aspect of the present invention, there is provided a liquid ejecting apparatus that ejects liquid onto a target in a liquid ejecting area, the liquid retaining unit retaining the liquid, the liquid ejecting unit ejecting the liquid, the liquid retaining unit, and the liquid A liquid conducting material that conducts with the ejection unit and supplies liquid to the liquid ejection unit is provided, and the liquid conduction material is provided with three or more protrusions spaced apart from each other along the longitudinal direction, and a flexible material A long plate-shaped material having flexibility, a plate-shaped long material having flexibility, which is joined to the substrate over the width direction of the substrate while covering the end surface of the ridge, A plurality of liquid channel portions formed of a gap and a plate-like long material, and the base material and the plate-like long material are arranged at least at one end in the longitudinal direction of the liquid conducting material. In addition, the liquid conducting material is guided to the liquid holding unit or the liquid ejecting unit. In order to be molded two-color with the substrate at high rigidity resin than the base material, having a connecting member provided in each flow path portion at one end, to provide a liquid ejecting apparatus.
According to a fourth aspect of the present invention, there is provided a liquid ejecting apparatus that ejects liquid onto a target in a liquid ejecting area, the liquid retaining unit retaining the liquid, the liquid ejecting unit ejecting the liquid, the liquid retaining unit, and the liquid A liquid conducting material that conducts to the ejection unit and supplies liquid to the liquid ejection unit is provided, and the liquid conduction material has a plurality of grooves spaced apart from each other along the longitudinal direction, and is formed of a flexible material. A plurality of liquids formed by the long base material, the flat plate-like long material that covers the opening surface of the groove portion and is joined to the base material, and the groove portion and the flat plate-like long material. And the base material and the plate-like elongated material are formed separately for each channel part at least at one end in the longitudinal direction of the liquid conduction material, and the liquid conduction material further comprises: Rigidity greater than that of the base material so that the liquid conducting material is conducted to the liquid holding part or the liquid ejecting part. Are two-color molding together with the substrate in fat, having a connecting member provided for each flow path portion at one end, to provide a liquid ejecting apparatus.
In the third and fourth embodiments, the same effect as in the first and second embodiments can be obtained.
[0011]
The above summary of the invention does not enumerate all necessary features of the present invention, and sub-combinations of these feature groups can also be the invention.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described through embodiments of the invention. However, the following embodiments do not limit the invention according to the claims, and all combinations of features described in the embodiments are included. It is not necessarily essential for the solution of the invention.
[0013]
FIG. 1 is a perspective view showing an ink jet recording apparatus 10 according to an embodiment of the present invention with a cover removed, and FIG. 2 is a perspective view of an ink supply system of the ink jet recording apparatus 10. As shown in FIGS. 1 and 2, the ink jet recording apparatus 10 includes a carriage 42 that reciprocates in the main scanning direction on a recording material 11 that is an example of a target, and a recording head 44 that is mounted on the carriage 42. The plurality of cartridges 45 are detachably fixed to the main body of the ink jet recording apparatus 10, and the liquid conductive material 100 is connected to the recording heads 44. The plurality of cartridges 45 hold different colors of ink. The carriage 42 is driven by a motor (not shown) and reciprocates along the guide shaft 48. The recording head 44 performs recording by ejecting a plurality of colors of ink onto the recording material 11 while reciprocating together with the carriage 42.
[0014]
The liquid conducting material 100 has a long shape, and the main part is formed of a flexible material (for example, a thermoplastic elastomer). The liquid conducting material 100 has a plurality of flow path portions through which ink flows, and supplies ink to the recording head 44 from each of the plurality of cartridges 45.
[0015]
For this reason, it is possible to supply the recording head 44 with a plurality of colors of ink held by the plurality of cartridges 45 only by using one liquid conducting material 100. Therefore, compared with the case where ink is supplied using a plurality of polyethylene tubes, the space required for drawing the liquid conducting material 100 in the ink jet recording apparatus 10 is reduced. Moreover, the labor for attaching the liquid conducting material 100 is reduced.
[0016]
When an elastomer mainly composed of a SEPS (polystyrene-polyethylene-polypropylene-polystyrene) polymer is used as a flexible material forming the main part of the liquid conducting material 100, the liquid conducting material 100 is more easily bent than a polyethylene tube. Become. In this case, since the liquid conducting material 100 can be curved with a small curvature, the ink jet recording apparatus 10 can be miniaturized. In addition, the load applied to the motor that drives the carriage 42 can be reduced.
[0017]
FIG. 3 is a plan view of the liquid conducting material 100. This figure shows a planar shape of the liquid conducting material 100 before the liquid conducting material 100 is attached to the ink jet recording apparatus 10. The liquid conducting material 100 is partially bent in a planar shape, and each of the head side end portion 102 connected to the recording head 44 and the cartridge side end portion 104 connected to the cartridge 45 is the center in the longitudinal direction of the liquid conducting material 100. Facing each other in the vicinity. Specifically, the curved portion 106 separated from the head-side end portion 102 by about ¼ of the length of the liquid conducting material 100 and the cartridge-side end portion 104 separated by about ¼ of the length of the liquid conducting material 100. The curved portions 108 are bent in a substantially U shape. The cartridge side end portion 104 is formed such that the tip portion is separated for each of the plurality of flow path portions. Details of the cartridge side end 104 will be described later.
[0018]
FIG. 4A is a cross-sectional view showing the shapes of the AA cross section and the BB cross section of the liquid conducting material 100 in FIG. FIG. 4B is an enlarged view of a part of FIG. The cross-sectional shape of the liquid conducting material 100 is the shape shown in FIG. 4A from the head side end portion 102 to the curved portion 108.
The liquid conducting material 100 includes a long base material 110 formed of a flexible material, and a flat plate-like long material 120 joined to the surface of the base material 110. The flat plate-like long material 120 is bonded to the surface of the substrate 110 by, for example, welding or bonding using an adhesive. The flat plate-like long material 120 has flexibility in a state where it is not joined to the base material 110, and thus the liquid conducting material 100 also has flexibility.
[0019]
The substrate 110 has a substantially rectangular cross-sectional shape, and has a plurality of groove portions 130 extending in the longitudinal direction on the surface thereof (three in the drawing) spaced apart from each other. In this figure, the groove part 130 has a substantially rectangular cross-sectional shape. The groove portion 130 is formed as a gap between a plurality of protrusions 111 (four in this drawing) that are provided side by side in the width direction of the base material 110.
The width of the two protrusions 111 formed at the two end portions in the width direction is wider than the width of the other protrusions 111. For this reason, the ink solvent (for example, water) does not easily pass through the side surface of the substrate 110. In addition, the outside air is difficult to permeate the side surface of the substrate 110.
[0020]
The base material 110 is injection-molded by pouring a flexible material such as a thermoplastic elastomer into a mold, for example. In this case, the substrate 110 can be curved in advance. In addition, it is preferable that the flexible material which forms the base material 110 contains paraffin oil as a soft material in addition to the SEPS polymer.
[0021]
The flat plate-like long material 120 covers the opening surface of the groove portion 130 of the base material 110 and forms an ink flow path portion together with the groove portion 130. Further, the flat plate-like long material 120 is bonded over the width direction of the base 110 while covering the end surfaces of the plurality of protrusions 111, and covers the opening surface of the groove 130.
[0022]
As shown in FIG. 4B, the flat plate-like long material 120 includes a welding layer 121, a reinforcing layer 122, a metal layer 123, and a protective layer 124 in this order from the side in contact with the base material 110. The welding layer 121 joins the flat plate-like long material 120 to the base material 110 by welding. When the base material 110 includes polypropylene, the welding layer 121 is formed of polyethylene or polypropylene.
The reinforcing layer 122 reinforces the plate-like long material 120. Further, the reinforcing layer 122 improves the heat resistance of the flat plate-like long material 120. For example, the reinforcing layer 122 is made of polyamide.
The metal layer 123 and the plate-like long material 120 prevent the ink solvent from evaporating. The metal layer 123 also prevents outside air from passing through the plate-like long material 120 and dissolving in the ink. The metal layer 123 is an aluminum layer, for example.
The protective layer 124 protects the metal layer 123 and reinforces the plate-like long material 120. The protective layer 124 is made of, for example, polyethylene terephthalate.
[0023]
The plate-like long material 120 has a larger longitudinal elastic modulus than the base material 110 and is thinner than the base material 110, so that it is easy to buckle. For this reason, it is preferable that the liquid conduction | electrical_connection material 100 curves in the direction where the flat plate-shaped elongate material 120 is extended, when the flat plate-shaped elongate material 120 curves in the direction joined to the base material 110. FIG. In this case, the flat plate-like long material 120 is difficult to bend, and as a result, the flat plate-like long material 120 is hardly peeled off from the substrate 110.
[0024]
FIG. 5 is a cross-sectional view showing the shape of the CC cross section of the liquid conducting material 100 in FIG. In the CC cross section, the plurality of partition members 111a are arranged in parallel at equal intervals. The plurality of partition members 111 a form the base material 110. The plurality of partition members 111 a have a substantially rectangular cross section, and have the same shape as the cross section of the protrusion 111. And the flat plate-shaped elongate material 120 of the position is joined to the upper surface of the some partition member 111a. Moreover, the other flat plate-shaped elongate material 120 is joined to the lower surface of the some partition member 111a. Thus, in the CC cross section, the liquid flow path portion is formed by sandwiching the plurality of partition members 111a between the two flat plate-like long members 120.
Therefore, in the region from the curved portion 108 to the cartridge side end portion 104, the liquid conducting material 100 can be made thinner than the other portions. In addition, the amount of material necessary for manufacturing the substrate 110 can be reduced.
[0025]
FIG. 6 is a perspective view of the cartridge side end portion 104. In FIG. 6, the flat plate-like long material 120 on the upper surface of the base material 110 is broken and shown.
At the cartridge side end portion 104, the liquid conducting material 100 is wider than other portions, and is separated into three branch end portions 104a, 104b, and 104c. The three branch end portions 104a, 104b, and 104c have flow path portions through which inks of different colors flow. The partition member 111a between the flow path parts is branched into a partition member 111b and a partition member 111c, respectively. The plate-like long member 120 has a notch 122 between the branch end portions 104a and 104b and between the side branch end portions 104b and 104c. Therefore, even if the three connection portions connected to the branch end portions 104a, 104b, and 104c on the cartridge 45 side are arranged apart from each other, the branch end portions 104a, 104b, and 104c can be easily connected to the connection portion. it can. Further, play can be provided at the positions of the branch end portions 104a, 104b and 104c. In this case, for example, the cartridge side end 104 is fixed to the main body of the ink jet recording apparatus 10, and the cartridge 45 is inserted into the cartridge side end 104 when the cartridge 45 is fixed to the main body of the ink jet recording apparatus 10. In addition, the cartridge 45 can be easily inserted into the cartridge side end portion 104.
In addition, the notch 122 may be formed after joining the flat plate-like long material 120 to the partition members 111a to 111c, or may be formed in advance before joining.
[0026]
The branch end portions 104a, 104b, and 104c have connecting members 140 for connecting the branch end portions 104a, 104b, and 104c to the cartridge 45, respectively. The connecting member 140 projects substantially vertically from the end surface of the cartridge side end portion 104. The connecting member 140 is two-color molded together with the base material 110. For this reason, when connecting the liquid conduction | electrical_connection material 100 to the cartridge 45, it becomes unnecessary to assemble | attach the connection member 140 to the liquid conduction | electrical_connection material 100. FIG.
The resin forming the connecting member 140 is a resin of the same series as the elastomer forming the base material 110 (for example, a polypropylene series resin when the elastomer includes polypropylene), and is a resin having higher rigidity than the base material 110. is there. Since the connecting member 140 has higher rigidity than the base 110, it can be easily inserted into the cartridge 45.
[0027]
The connecting member 140 further includes a joining portion 142 joined to the partition members 111 a to 111 c and the flat plate-like long material 120, a needle-like member 143 inserted into the cartridge 45, and a columnar member 144 a connecting the joining portion 142 and the needle-like member 143. And 144b.
A part of the end surface on the base material 110 side is convex in the joint portion 142, and this convex portion enters a flow path portion formed by the partition wall members 111 a to 111 c and the plate-like long material 120. The columnar member 144 a is connected to the needle-like member 143 and has a larger outer diameter than the needle-like member 143. The columnar member 144b is provided between the joint 142 and the columnar member 144a, and has an outer diameter larger than that of the columnar member 144a.
The outer diameter of the needle-like member 143 is smaller than the inner diameter of the flow path portion formed by the partition wall members 111 a to 111 c and the flat plate-like long material 120. For this reason, the needle-like member 143 is easily inserted into the cartridge 45.
[0028]
FIG. 7 is a cross-sectional view showing the shape of the DD cross section of FIG. The connecting member 140 has a hollow portion 141 that penetrates the connecting member 140 in the longitudinal direction. The hollow portion 141 is a liquid flow path and has a circular cross section, for example.
[0029]
FIG. 8 is a perspective view of a modified example of the cartridge side end portion 104. In FIG. 8, the flat plate-like long material 120 is shown by being broken.
In this modification, the base material 110 at the cartridge side end portion 104 has a configuration in which the base material 110 shown in FIG. 4 is branched into branch end portions 104a, 104b, and 104c. Each of the protrusions 111 between the flow path portions is branched into two. Although not shown, the flat plate-like long member 120 has a cut between the branch end portions 104a, 104b, and 104c. The rest of the configuration is the same as that of the cartridge side end 104 shown in FIGS.
Even with the cartridge side end portion 104 shown in this figure, the same effect as the cartridge side end portion 104 shown in FIGS. 6 and 7 can be obtained.
[0030]
As is clear from the above description, according to the liquid conducting material 100 of the present embodiment, since a plurality of flow paths are provided, a plurality of types of liquids can be conducted with one liquid conducting material 100. For this reason, the liquid conducting material 100 can be easily attached to the ink jet recording apparatus 10 as compared with the case where a plurality of polyethylene tubes are used as the liquid conducting material. Further, the cartridge side end portion 104 is formed separately for each flow path portion, and has a connection member 140 formed of a resin having rigidity higher than that of the base 110 for each flow path portion. Therefore, the liquid conducting material 100 can be easily connected to the cartridge 45.
The liquid conducting material 100 is connected to a sub tank provided between the cartridge 45 and the carriage 42, a storage portion for temporarily storing ink, or an ink supply valve for controlling the flow of ink, and the cartridge is interposed therebetween. 45 may be conducted.
[0031]
The ink jet recording apparatus 10 is an example of a liquid ejecting apparatus. The recording head 44 of the ink jet recording apparatus is an example of a liquid ejecting section of the liquid ejecting apparatus, and the cartridge 45 is an example of a liquid supply section.
However, the present invention is not limited to these. Another example of the liquid ejecting apparatus is a color filter manufacturing apparatus that manufactures a color filter for a liquid crystal display. In this case, the color material ejecting head of the color filter manufacturing apparatus is an example of the liquid ejecting unit. Still another example of the liquid ejecting apparatus is an electrode forming apparatus that forms electrodes such as an organic EL display and an FED (surface emitting display). In this case, an electrode material (conductive paste) ejecting head of the electrode forming apparatus is an example of the liquid ejecting unit. Still another example of the liquid ejecting apparatus is a biochip manufacturing apparatus that manufactures a biochip. In this case, the bio-organic matter ejecting head of the biochip manufacturing apparatus and the sample ejecting head as a precision pipette are examples of the liquid ejecting unit. The liquid ejecting apparatus of the present invention includes other liquid ejecting apparatuses having industrial use. The recording object 11 is an object on which recording is performed by ejecting a liquid. However, the target is not limited to this, and for example, a circuit board on which a circuit pattern such as recording paper or display electrodes is recorded, a label CD-ROM on which is printed, and a slide on which a DNA circuit is recorded.
[0032]
As mentioned above, although this invention was demonstrated using embodiment, the technical scope of this invention is not limited to the range as described in the said embodiment. Various modifications or improvements can be added to the above embodiment. It is apparent from the scope of the claims that the embodiments added with such changes or improvements can be included in the technical scope of the present invention.
[Brief description of the drawings]
1 is a perspective view of an ink jet recording apparatus 10. FIG. 2 is a perspective view of an ink supply system of the ink jet recording apparatus 10. FIG. 3 is a plan view of a liquid conducting material 100. FIG. Sectional drawing which shows the AA cross section of the liquid conduction | electrical_connection material 100 in BB, and the BB cross section, (B) is the figure which expanded a part of (A). [FIG. 5] CC sectional drawing of FIG. FIG. 7 is a cross-sectional view taken along the line DD in FIG. 6. FIG. 8 is a perspective view of a modified example of the cartridge side end 104.
DESCRIPTION OF SYMBOLS 10 ... Inkjet recording device, 42 ... Carriage, 44 ... Recording head, 45 ... Cartridge, 100 ... Liquid conducting material, 102 ... Head side end, 104 ... Cartridge side end, 104a ... Branch end, 104b ... Branch end Part 104c ... branch end part 106 ... curved part 108 ... curved part 110 ... base material 111 ... ridge 111a ... partition member 111b ... partition member 111c ... partition member 120 ... flat plate-like long material 121 ... welding layer, 122 ... reinforcing layer, 123 ... metal layer, 124 ... protective layer, 130 ... groove, 140 ... connecting member, 141 ... hollow part, 142 ... joining part, 143 ... needle member, 144a ... cylindrical member 144b ... Cylindrical member

Claims (7)

A liquid holding unit that is used in a liquid ejecting apparatus that ejects liquid onto a target in a liquid ejecting area, and that is provided in a main body of the liquid ejecting apparatus ; and a liquid ejecting unit that ejects the liquid while reciprocating on the target. A liquid conducting material for supplying the liquid to the liquid ejecting unit,
An elongated base material that is provided with three or more protrusions along the longitudinal direction at intervals, and formed of a flexible material;
A flat plate-like long material having flexibility, which is joined to the base material over the width direction of the base material while covering the end surface of the ridge,
A plurality of flow passage portions of the liquid formed by the gaps between the protrusions and the plate-like long material,
The base material and the flat plate-like long material are formed separately for each of the flow path portions in at least one of the longitudinal ends of the liquid conducting material,
Further, in order to cause the liquid conducting material to conduct to the liquid holding unit or the liquid ejecting unit, two-color molding is performed together with the base material using a resin having a rigidity higher than that of the base material, A connecting member provided in
A liquid conducting material that bends so that a tensile stress is applied to the bending portion of the flat plate-like long material in the curved portion of the liquid conducting material that moves following the reciprocating motion of the liquid ejecting unit . A liquid holding unit that is used in a liquid ejecting apparatus that ejects liquid onto a target in a liquid ejecting area, and that is provided in a main body of the liquid ejecting apparatus ; and a liquid ejecting unit that ejects the liquid while reciprocating on the target. A liquid conducting material for supplying the liquid to the liquid ejecting unit,
A long substrate having a plurality of grooves spaced apart from each other along the longitudinal direction and formed of a flexible material;
A flat plate-like long material that covers the opening surface of the groove and is joined to the base material,
A plurality of flow passage portions of the liquid formed of the groove portion and the flat plate-like long material;
The base material and the flat plate-like long material are formed separately for each of the flow path portions in at least one of the longitudinal ends of the liquid conducting material,
Further, in order to cause the liquid conducting material to conduct to the liquid holding unit or the liquid ejecting unit, two-color molding is performed together with the base material using a resin having a rigidity higher than that of the base material, A connecting member provided in
A liquid conducting material that bends so that a tensile stress is applied to the bending portion of the flat plate-like long material in the curved portion of the liquid conducting material that moves following the reciprocating motion of the liquid ejecting unit .   Furthermore, the said connection member is a liquid conduction | electrical_connection material of Claim 1 or 2 provided with the acicular member which has a hollow part which is thinner than the said flow-path part at the front-end | tip part and is connected to the said flow-path part. The channel section is
A region between a curved portion that is approximately ¼ of the length of the liquid conducting material from the liquid holding portion side end connected to the liquid holding portion and a liquid ejecting portion side end connected to the liquid ejecting portion. In, it is formed by joining a plate-like long material to the surface of a long base material formed of a flexible material,
The region between the curved portion and the end portion on the liquid holding portion side is formed by sandwiching a plurality of partition members between two flat plate-like long members. Liquid conducting material.   5. The liquid conducting material according to claim 1, wherein the connecting member protrudes substantially perpendicularly from an end surface of a liquid holding unit side end connected to the liquid holding unit. A liquid ejecting apparatus that ejects liquid onto a target in a liquid ejecting area,
A liquid holding unit for holding the liquid;
A liquid ejecting section that ejects the liquid while reciprocating on the target;
A liquid conducting material for conducting the liquid holding unit and the liquid ejecting unit and supplying the liquid to the liquid ejecting unit;
The liquid conducting material is
An elongated base material that is provided with three or more protrusions along the longitudinal direction at intervals, and formed of a flexible material;
A flat plate-like long material having flexibility, which is joined to the base material over the width direction of the base material while covering the end surface of the ridge,
A plurality of flow passage portions of the liquid formed by the gaps between the protrusions and the plate-like long material,
The base material and the flat plate-like long material are formed separately for each of the flow path portions in at least one of the longitudinal ends of the liquid conducting material,
Further, the liquid conducting material is two-color molded together with the base material with a resin having a rigidity higher than that of the base material so that the liquid conducting material is conducted to the liquid holding unit or the liquid ejecting unit, and is formed at the one end portion. It has a connecting member provided for each flow path part,
The liquid ejecting apparatus is a liquid ejecting apparatus in which the liquid conducting material is curved so that a tensile stress is applied to the bending of the plate-like long material at a curved portion of the liquid conducting material that moves following the reciprocating motion of the liquid ejecting unit. A liquid ejecting apparatus that ejects liquid onto a target in a liquid ejecting area,
A liquid holding unit for holding the liquid;
A liquid ejecting section that ejects the liquid while reciprocating on the target;
A liquid conducting material for conducting the liquid holding unit and the liquid ejecting unit and supplying the liquid to the liquid ejecting unit;
The liquid conducting material is
A long substrate having a plurality of grooves spaced apart from each other along the longitudinal direction and formed of a flexible material;
A flat plate-like long material that covers the opening surface of the groove and is joined to the base material,
It is formed of the groove and the flat plate-like long material, and includes a plurality of flow paths of the liquid,
The base material and the flat plate-like long material are formed separately for each of the flow path portions in at least one of the longitudinal ends of the liquid conducting material,
Further, the liquid conducting material is two-color molded together with the base material with a resin having a rigidity higher than that of the base material so that the liquid conducting material is conducted to the liquid holding unit or the liquid ejecting unit, and is formed at the one end portion. It has a connecting member provided for each flow path part,
The liquid ejecting apparatus is a liquid ejecting apparatus in which the liquid conducting material is curved so that a tensile stress is applied to the bending of the plate-like long material at a curved portion of the liquid conducting material that moves following the reciprocating motion of the liquid ejecting unit.

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