Abstract: A recording head unit includes a first line head and a second line head in which nozzles are provided in an X-axis direction. The first line head is arranged on one side of the second line head in a Y-axis direction intersecting the X-axis direction. The first line head includes a first windbreak member. The second line head includes a second windbreak member. A length by which the first windbreak member protrudes is smaller than a length by which the second windbreak member protrudes.

Abstract: A defibration processing device is capable of efficient defibration in a multiple stage rotating part, and a fibrous feedstock recycling device. The defibration processing device has a first rotating part disposed on a side into which defibration feedstock flows, and a second rotating part disposed on a side to which defibrated material defibrated in the first rotating part is discharged. The first rotating part and second rotating part each have on the axis of rotation side thereof a base, and a protruding part protruding from the base in a direction away from the axis of rotation. A spacer is between the first rotating part and second rotating part. An external restriction plate protrudes from the stationary part side toward the spacer, and an internal restriction plate protrudes from the axis of rotation side of the first rotating part and second rotating part toward the stationary part.

Abstract: A defibration treatment apparatus including a feeding hole through which a material is fed, a rotator that rotates about a rotational central axis, a fixed member that covers at least a portion of the rotator, and a discharge opening that discharges a defibrated object obtained by defibrating the material between the rotator and the fixed member. In the defibration treatment apparatus, the rotator includes a plurality of rotary blades that extend in directions away from the rotational central axis, at least a portion of the fixed member is configured of a screen including a plurality of openings, the screen is disposed at a position corresponding to an outer rotational circumference of the rotator, and a discharge path in communication with the discharge opening is provided along the screen and on a side opposite the rotator with respect to the screen.

Abstract: Provided is a three-dimensional modeling apparatus including: a drive motor; a screw that has a groove formation surface with a groove formed therein and that is rotated by the drive motor; a barrel that has a facing surface facing the groove formation surface and having a communication hole at the center thereof and a heater; and a nozzle that ejects a modeling material supplied from the communication hole, in which 0.03?(Ss/Ls)/(Sn/Ln)?5.00??(1) where Ss is an average sectional area that is an arithmetic mean between a maximum sectional area and a minimum sectional area of the groove, Ls is a length of the groove, Sn is a sectional area of the nozzle, and Ln is a length of the nozzle.

Abstract: A recording head unit includes a first line head and a second line head in which nozzles are provided in an X-axis direction. The first line head is arranged on one side of the second line head in a Y-axis direction intersecting the X-axis direction. The first line head includes a first windbreak member. The second line head includes a second windbreak member. A length by which the first windbreak member protrudes is smaller than a length by which the second windbreak member protrudes.

Abstract: A plasticizing device includes: a drive motor; a rotating unit driven to rotate about a rotation axis by the drive motor and having an end surface perpendicular to the rotation axis and a lateral surface intersecting with the end surface; a barrel having a bottom surface facing the end surface of the rotating unit, and a heater; a case accommodating the rotating unit; and a material supply unit accommodating the material. At least one of the barrel and the case has a sidewall surface facing the lateral surface of the rotating unit and standing up along an outer circumference of the bottom surface of the barrel. At the bottom surface of the barrel, a communication hole through which the molten material flows out and a spiral groove part coupled to the communication hole are formed. The lateral surface of the rotating unit and the sidewall surface together define a supply space where the material is supplied from the material supply unit to the groove part.

Abstract: A plasticizing device includes: a drive motor; a rotating unit driven to rotate about a rotation axis by the drive motor and having an end surface perpendicular to the rotation axis; a barrel having a bottom surface facing the end surface of the rotating unit, and a heater; and a material supply unit supplying the material between the rotating unit and the barrel. At the bottom surface of the barrel, a first communication hole through which the molten material flows out, a first groove part coupled to the first communication hole, a second communication hole through which the molten material flows out, and a second groove part coupled to the second communication hole are formed.

Abstract: A defibration processing apparatus includes: an input port into which a raw material is input; a rotating body that rotates about a rotary shaft; a stationary member that covers at least part of the rotating body; and a discharge port through which a defibrated object obtained by the rotating body and the stationary member defibrating the raw material is discharged, in which the rotating body has a plurality of rotating blades protruding in a direction away from the rotation center shaft, and the stationary member has a configuration in which a screen having a plurality of openings is disposed in at least part of the stationary member in a direction of the rotation center shaft and surrounds the rotating body in a rotation direction.

Abstract: A defibration treatment apparatus including a feeding hole through which a material is fed, a rotator that rotates about a rotational central axis, a fixed member that covers at least a portion of the rotator, and a discharge opening that discharges a defibrated object obtained by defibrating the material between the rotator and the fixed member. In the defibration treatment apparatus, the rotator includes a plurality of rotary blades that extend in directions away from the rotational central axis, at least a portion of the fixed member is configured of a screen including a plurality of openings, the screen is disposed at a position corresponding to an outer rotational circumference of the rotator, and a discharge path in communication with the discharge opening is provided along the screen and on a side opposite the rotator with respect to the screen.

Abstract: A plasticizing device includes: a drive motor; a rotating unit driven to rotate about a rotation axis by the drive motor and having an end surface perpendicular to the rotation axis; a barrel having a bottom surface facing the end surface of the rotating unit, and a heater; and a material supply unit supplying the material between the rotating unit and the barrel. At the bottom surface of the barrel, a first communication hole through which the molten material flows out, a first groove part coupled to the first communication hole, a second communication hole through which the molten material flows out, and a second groove part coupled to the second communication hole are formed.

Abstract: A plasticizing device includes: a drive motor; a rotating unit driven to rotate about a rotation axis by the drive motor and having an end surface perpendicular to the rotation axis and a lateral surface intersecting with the end surface; a barrel having a bottom surface facing the end surface of the rotating unit, and a heater; a case accommodating the rotating unit; and a material supply unit accommodating the material. At least one of the barrel and the case has a sidewall surface facing the lateral surface of the rotating unit and standing up along an outer circumference of the bottom surface of the barrel. At the bottom surface of the barrel, a communication hole through which the molten material flows out and a spiral groove part coupled to the communication hole are formed. The lateral surface of the rotating unit and the sidewall surface together define a supply space where the material is supplied from the material supply unit to the groove part.

Abstract: Provided is a three-dimensional modeling apparatus including: a drive motor; a screw that has a groove formation surface with a groove formed therein and that is rotated by the drive motor; a barrel that has a facing surface facing the groove formation surface and having a communication hole at the center thereof and a heater; and a nozzle that ejects a modeling material supplied from the communication hole, in which 0.03?(Ss/Ls)/(Sn/Ln)?5.00 ??(1) where Ss is an average sectional area that is an arithmetic mean between a maximum sectional area and a minimum sectional area of the groove, Ls is a length of the groove, Sn is a sectional area of the nozzle, and Ln is a length of the nozzle.

Abstract: A defibration processing device is capable of efficient defibration in a multiple stage rotating part, and a fibrous feedstock recycling device. The defibration processing device has a first rotating part disposed on a side into which defibration feedstock flows, and a second rotating part disposed on a side to which defibrated material defibrated in the first rotating part is discharged. The first rotating part and second rotating part each have on the axis of rotation side thereof a base, and a protruding part protruding from the base in a direction away from the axis of rotation. A spacer is between the first rotating part and second rotating part. An external restriction plate protrudes from the stationary part side toward the spacer, and an internal restriction plate protrudes from the axis of rotation side of the first rotating part and second rotating part toward the stationary part.

Abstract: Provided is a liquid storing body that makes it possible to prevent a liquid containing a sedimentous component whose concentration is higher than a proper range from being supplied to a liquid jetting apparatus. An ink pack 1 is provided with a flexible ink storage bag 2 capable of storing pigment ink containing a sedimentous component, an ink supply part 3 provided at an upper portion of the ink storage bag 2, and a flow path member 4 that connects the interior of the ink storage bag 2 and the ink supply part 3. The flow path member 4 is provided with a vertical tube part 41 extending downward from the ink supply part 3, a lateral tube part 42 extending horizontally from the lower end of the vertical tube part 41, and a vertical tube part 43 extending upward from the end of the lateral tube part 42.

Abstract: A flow path member includes a liquid flow path which includes a flow path inlet portion which has a first inlet port and a second inlet port, and a flow path outlet portion which has a first outlet port communicating with the first inlet port and a second outlet port communicating with the second inlet port, in which, in the flow path inlet portion, the first inlet port and the second inlet port are aligned in a reference direction, and in which, in a flow path extending from the first inlet port to the first outlet port and a flow path extending from the second inlet port to the second outlet port, at least parts of the flow paths, in terms of the lengths of the respective flow paths, are disposed in a direction different from the reference direction.

Abstract: A liquid ejecting apparatus includes: a printing head; and a liquid supply unit. The printing head has a reservoir, a plurality of liquid supply ports connected to the reservoir, and a liquid introduction inlet. A first liquid supply port and a second liquid supply port are positioned at ends of the plurality of liquid supply ports in a first direction. Outer periphery of the liquid introduction inlet includes one end section and another end section in the first direction. The one end section is closer to the first liquid supply port than the second liquid supply port. The liquid includes a first liquid with a high content of pigment, and a second liquid with a lower content of pigment. The liquid supply unit supplies the second liquid to the one end section of the liquid introduction inlet.

Abstract: Provided is a liquid storing body that makes it possible to prevent a liquid containing a sedimentous component whose concentration is higher than a proper range from being supplied to a liquid jetting apparatus. An ink pack 1 is provided with a flexible ink storage bag 2 capable of storing pigment ink containing a sedimentous component, an ink supply part 3 provided at an upper portion of the ink storage bag 2, and a flow path member 4 that connects the interior of the ink storage bag 2 and the ink supply part 3. The flow path member 4 is provided with a vertical tube part 41 extending downward from the ink supply part 3, a lateral tube part 42 extending horizontally from the lower end of the vertical tube part 41, and a vertical tube part 43 extending upward from the end of the lateral tube part 42.

Abstract: A flow path member includes a liquid flow path which includes a flow path inlet portion which has a first inlet port and a second inlet port, and a flow path outlet portion which has a first outlet port communicating with the first inlet port and a second outlet port communicating with the second inlet port, in which, in the flow path inlet portion, the first inlet port and the second inlet port are aligned in a reference direction, and in which, in a flow path extending from the first inlet port to the first outlet port and a flow path extending from the second inlet port to the second outlet port, at least parts of the flow paths, in terms of the lengths of the respective flow paths, are disposed in a direction different from the reference direction.

Abstract: A liquid ejecting apparatus includes: a printing head; and a liquid supply unit. The printing head has a reservoir, a plurality of liquid supply ports connected to the reservoir, and a liquid introduction inlet. A first liquid supply port and a second liquid supply port are positioned at ends of the plurality of liquid supply ports in a first direction. Outer periphery of the liquid introduction inlet includes one end section and another end section in the first direction. The one end section is closer to the first liquid supply port than the second liquid supply port. The liquid includes a first liquid with a high content of pigment, and a second liquid with a lower content of pigment. The liquid supply unit supplies the second liquid to the one end section of the liquid introduction inlet.

Abstract: A common liquid chamber that communicates with a plurality of pressure chambers includes at least one inflow port into which a liquid flows, a plurality of supply openings, arranged in a row, for supplying the liquid to each of the pressure chambers, and a slanted surface that, when viewed from a second direction that is orthogonal to an arrangement direction in which the supply openings are arranged and that follows a substrate in which the common liquid chamber is formed, is slanted so that the slanted surface overlaps with the arrangement of some of the supply openings including supply openings located at ends of the arrangement direction and approaches the arrangement of the supply openings at the end areas of the arrangement direction. At least part of the inflow port is located within the range of the arrangement of the stated some of the supply openings when viewed from the second direction.