Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
  • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
  • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
  • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
  • B05B9/047—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump supply being effected by follower in container, e.g. membrane or floating piston, or by deformation of container
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
  • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
  • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
  • B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
  • B05B1/304—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve
  • B05B1/3046—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice
  • B05B1/3053—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice the actuating means being a solenoid
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
  • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
  • B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
  • B05B12/1472—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet separate supply lines supplying different materials to separate outlets of the spraying apparatus
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
  • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
  • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
  • B05B13/0207—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
  • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
  • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
  • B05B13/0278—Arrangement or mounting of spray heads
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
  • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
  • B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves

Definitions

• This invention relates to a chemicals liquid tank containing chemicals liquid, for example colorant for coloring an object, and a chemicals liquid dispenser with the chemicals liquid tank.
• the electronic apparatuses are installed in an automobile as a vehicle.
• the electronic apparatuses are wired with a wiring harness for transmitting electric power from a power supply or control signals from a computer.
• the wiring harness includes a plurality of electric wires and a connector jointed to ends of the electric wires.
• the electric wire has a conductive core wire and a cover made of insulative synthetic resin for covering the core wire.
• the electric wire is a so-called covered wire.
• the connector includes a terminal and a housing receiving the terminal.
• the terminal made of conductive sheet metal is joined to an end of the electric wire to be connected electrically with the core wire of the electric wire.
• the connector housing is formed into a rectangular box shape made of insulation synthetic resin.
• the electric wire is cut to have a predetermined length, and a cover at an end of the electric wire is removed (stripped the cover) and the terminal is joined to the end of the electric wire.
• the electric wires would be connected to each other. Thereafter, the terminal is inserted into the connector housing.
• the aforesaid wiring harness is assembled.
• the electric wires are required to be distinguished about a size of the core wire, a material of the cover (change of the material by existence of heat-resistance) and applications .
• the applications are, for example, for an airbag, an ABS (Antilock Brake System) or a system in the automobile, in which electric wires for transmitting control signals such as information of a car speed or a power transmission system are used.
• the cover of the electric wire used for the wiring harness is colored with a required color by mixing a colorant of the required color in synthetic resin forming the cover when covering around the core wire with the synthetic resin by extrusion process (refer Patent Documents 1, 3) .
• an extruding covering machine for covering by extrusion process must be stopped.
• the extruding covering machine must be stopped. Thereby, required hours and processes for manufacturing the electric wires are increased, and manufacturability of the electric wire is reduced.
• the color of the colorant to be mixed in the synthetic resin is changed during the extruding covering machine covers by extrusion process.
• the color of the synthetic resin of the cover becomes a mixed color with the colors before changing and after changing.
• yield of electric wires will be reduced.
• an applicant of the present invention proposed a method of that by preproducting one-color electric wire and coloring an outer surface of the electric wire with required color, the wiring harness is assembled (refer Patent Document 4).
• the applicant of the present invention proposed a wire coloring apparatus for coloring electric wires with required color by injecting a specific amount of liquid colorant toward the outer surface of the one-color electric wire, and putting a drop of the colorant on the outer surface of the electric wire (refer Patent Document 5) .
• a chemicals liquid dispenser in which the colorant is supplied to the coloring nozzle by receiving the colorant as the chemicals liquid in a cylindrical chemicals liquid tank, and pressuring a plunger in the cylindrical tank with pressure gas.
• the chemicals liquid tank of the chemicals liquid dispenser is made of a stiff material, such as synthetic resin and glass.
• Patent Document 1 is JPH05-111947 ; Patent Document 2 is JPHO ⁇ -119833; Patent Document 3 is JPH09-92055; Patent Document 4 is International Publication 03/019580; Patent Document 5 is JP2004-134371. SUMMARY OF THE INVENTION Objects to be solved
• the chemicals liquid tank of the chemicals liquid dispenser supplies the chemicals liquid to a coloring nozzle with pressure gas by a plunger. Thereby, the chemicals liquid is exposed directly to an outer air and the chemicals liquid is deteriorated by vaporizing solvent of the colorant. Since the chemicals liquid tank is made of a stiff material, cost of the chemicals liquid tank is increased. Therefore, the tank should be reused after discharging all chemicals liquid. When the tank is reused, the chemicals liquid tank must be cleaned, so that processes for changing the chemicals liquid or filling it are increased.
• One object of the present invention is to provide a chemicals liquid tank, which can prevent deterioration of the chemicals liquid with a simple structure, and a chemicals liquid dispenser including the chemicals liquid tank.
• a chemicals liquid tank includes an outer case/ an inner case made of a deformable material and sealed to contain chemicals liquid, wherein the inner case is received in the outer case; a pressure fluid supply pipe passing through the outer case to communicate a space between the outer case and the inner case with an outside of the outer case for supplying pressure fluid; a chemicals liquid discharge pipe passing both through the outer case and the inner case to communicate an inside of the inner case with the outside of the outer case for discharging the chemicals liquid.
• the present invention as claimed in claim 2 is characterized for the chemicals liquid tank claimed in claim 1 in that the innei case is formed into a bag shape made of a film sheet.
• the present invention as claimed in claim 3 is characterized for the chemicals liquid tank claimed in claim 1 or 2 in that the outer case is made of a deformable material.
• the present invention as claimed in claim 4 is characterized for the chemicals liquid tank claimed in claim 3 in that the outer case is formed into a bag shape made of a film sheet.
• the present invention as claimed in claim 5 is characterized for the chemicals liquid tank claimed in claim 3 or 4 in that the chemicals liquid tank further includes a seal member made of an elastic material and provided at a position, through which the chemicals liquid discharge pipe passes the outer case.
• the present invention as claimed in claim 6 is characterized in that a chemicals liquid dispenser includes a chemicals liquid tank as claimed in any one of claims 1-5; a pressure fluid supply source supplying pressure fluid through the pressure fluid supply pipe into the space; a nozzle injecting each specific amount of the chemicals liquid to be supplied from the chemicals liquid discharge pipe for putting a drop of the chemicals liquid on an outer surface of an object.
• the inner case is sealed, so that it can prevent that the chemicals liquid in the inner case is exposed directly to outer air.
• the inner case is made of a deformable material and pressure gas is supplied into the outer case, the chemicals liquid in the inner case can be discharged to an outside thereof regardless of sealing the inner case.
• the inner case is made of a deformable material, so that the inner case can be formed into a bag shape with synthetic resin or the like.
• the inner case is formed into the bag shape with the film sheet, so that a cost of the inner case can be reduced.
• the outer case is made of a deformable material, so that the outer case can be formed into a bag shape with synthetic resin or the like.
• the outer case is formed into the bag shape with the film sheet, so that a cost of the outer case can be reduced.
• the seal member made of the elastic material and provided at a position, through which the chemicals liquid discharge pipe passes, so that a gap between the outer case and the chemicals liquid discharge pipe is filled by an elastic restoring force of the seal member.
• the inner case is sealed, so that it is prevented that the chemicals liquid in the inner case is exposed directly to the outer air.
• the inner case is made of the deformable material and pressure gas is supplied into the outer case, so that the chemicals liquid in the inner case can be discharged to the outside thereof regardless of sealing the inner case.
• the inner case is made of the deformable material, so that the inner case can be formed into a bag shape with synthetic resin or the like. EFFECT OF THE INVENTION According to the invention claimed in claim 1, since it can be prevented that the chemicals liquid in the inner case is exposed directly to the outer air, deterioration of the chemical can be prevented.
• the inner case is made of a deformable material and pressure gas is supplied into the outer case, the chemicals liquid in the inner case can be discharged to the outside thereof regardless of sealing the inner case.
• the inner case can be formed into a bag shape with synthetic resin or the like, the inner case can have a simple structure and be disposable. Thereby, when changing and filling the chemicals liquid, it is not required to clean and reuse the chemicals liquid tank.
• the chemicals liquid tank can have a simple structure and prevent deterioration of the chemicals liquid and increasing of processes for changing and filling the chemicals liquid.
• the inner case can securely have a simple structure and the cost of the inner case can be reduced. Thereby, the cost of the chemicals liquid tank can be reduced.
• the outer case since the outer case can be formed into a bag shape with synthetic resin or the like, the outer case can have a simple structure and be disposable as the inner case. Thereby, when changing and filling the chemicals liquid, it is not required to clean and reuse the chemicals liquid tank. Therefore, increasing of processes for changing and filling the chemicals liquid can be prevented.
• the outer case can be formed securely into a simple structure, and the cost of the outer case can be reduced.
• the gap between the outer case and the chemicals liquid discharge pipe is filled by an elastic restoring force of the seal member, it can be prevented that the chemicals liquid in the chemicals liquid tank leaks through the gap between the outer case and the chemicals liquid discharge pipe.
• the chemicals liquid tank can have a simple structure and prevent deterioration of the chemicals liquid and increasing of processes for changing and filling the chemicals liquid.
• Fig. 1 is a side view showing a structure of a wire coloring apparatus including a chemicals liquid dispensing unit of an embodiment according to the present invention
• Fig. 2 is a cross-sectional view of the chemicals liquid dispensing unit of the wire coloring apparatus taken along the line II-II in Fig. 1;
• Fig. 3 is an illustration showing a structure of the chemicals liquid dispensing unit shown in Fig. 2;
• Fig. 4 is a cross-sectional view of a chemicals liquid tank of the chemicals liquid dispensing unit shown in Fig. 3;
• Fig. 5 is an illustration showing an appearance of the chemicals liquid tank shown in Fig. 4;
• Fig. 6 is a cross-sectional view of a structure of each coloring nozzle of the chemicals liquid dispensing unit shown in Fig. 2;
• Fig. 7A is a perspective view of the electric wire colored by the wire coloring apparatus shown in Fig. 1;
• Fig. 7B is a plan view of the electric wire shown in Fig. 7A;
• Fig. 8 is an illustration for explaining a condition that pressure gas is supplied into an outer case of the chemicals liquid tank of the chemicals liquid dispensing unit shown in Fig. 3;
• Fig. 9 is a cross-sectional view of the chemicals liquid tank shown in Fig. 8 ;
• Fig. 10 is a cross-sectional view showing a condition that a colorant in an inner case of the chemicals liquid tank shown in Fig. 9 is decreased;
• Fig. 11 is an illustration showing an appearance of the inner case, in which the colorant is not enclosed yet, of the chemicals liquid tank shown in Fig. 5;
• Fig. 12 is an illustration showing the appearance of the inner case, in which the colorant is poured, shown in Fig. 11;
• Fig. 13 is an illustration showing the appearance of the inner case, in which the colorant is enclosed, shown in Fig. 12;
• Fig. 14 is an illustration showing an appearance of the outer case, in which the inner case is not enclosed yet, of the chemicals liquid tank shown in Fig. 5;
• Fig. 15 is an illustration showing the appearance of the outer case, in which the inner case is enclosed, shown in Fig. 14;
• Fig. 16 is an illustration showing an appearance of one modification of the chemicals liquid tank shown in Fig. 5;
• Fig. 17 is an illustration for explaining a condition that the pressure gas is supplied into the outer case of the chemicals liquid tank shown in Fig. 16;
• Fig. 18 is an illustration showing an appearance of the other modification of the chemicals liquid tank shown in Fig. 5 ;
• Fig. 19 is an illustration for explaining a condition that the pressure gas is supplied into the outer case of the chemicals liquid tank shown in Fig. 18. DESCRIPTION OF THE PREFERRED EMBODIMENT
• a chemicals liquid dispenser and a chemicals liquid tank according to one embodiment of the present invention will be described with reference to Figs. 1-15.
• the coloring apparatus 1 is an apparatus, which cuts an electric wire 3 into a predetermined length and provides a mark 6 on a part of an outer surface 3a of the electric wire 3. In other words, the coloring apparatus 1 colors, that is marks the outer surface 3a of the electric wire 3.
• the electric wire 3 structures a wiring harness wired in an automobile as a vehicle.
• the electric wire 3 includes a conductive core wire 4 and an insulation cover 5 as shown in Fig. 7A.
• the core wire 4 is formed by twisting a plurality of electric strands.
• the electric stands forming the core wire 4 are made of conductive metal.
• the core wire 4 can be also formed with a single element wire.
• the cover 5 is made of synthetic resin, such as PVC (Polyvinylchloride) or polyolefine (PE, PP).
• the cover 5 covers the core wire 4.
• the outer surface 3a of the electric wire 3 corresponds to an outer surface of the cover 5.
• the cover 5 is single color. By mixing a required colorant into the synthetic resin forming the cover 5, the outer surface 3a of the electric wire 3 can be single color P. By mixing no colorant into the synthetic resin forming the cover 5, the outer surface 3a of the electric wire 3 can be natural resin color as single color P. When the single color P is the natural resin color, the cover 5, that is the outer surface 3a of the electric wire 3 is uncolored. Uncolored means that the outer surface 3a of the electric wire 3 is natural resin color by mixing no colorant into the synthetic resin forming the cover 5. The outer surface 3a of the electric wire 3 can be uncolored or single color such as white.
• the mark 6 formed with a plurality of dots 7 is put on the outer surface 3a of the electric wire 3.
• the dot 7 is color B (shown with hatching in Fig. 7) .
• the color B is different from the color P.
• the dot 7 in a plan view is a round shape as shown in Fig.7B.
• the plurality of dots 7 is arranged along a lengthwise of the electric wire 3 according to a predetermined pattern. In the embodiment, the dots 7 are arranged at even intervals along the lengthwise of the electric wire 3. A distance between the centers of the adjacent dots 7 is predetermined.
• the wiring harness is formed by bundling a plurality of electric wires 3 and joining a connector at an end thereof.
• the wiring harness 3, that is the electric wire 3 transmits various signals and electric power to each electronic apparatus .
• the colors B of each dot 7 of the mark 6 can be distinguished to each other.
• the colors B of all dots 7 are the same.
• the colors B of dots 7 can be different from each other.
• the colors B of each dot 7 of the mark 6 are used for distinguishing a wire type or system of the electric wires 3 of the wiring harness.
• the coloring apparatus 1 as shown in Fig. l r includes a frame 10 as a main body, a guide roll 11, a forwarding roller 12 as a transporting device, a straitening unit 13 as a pulling device, a slack-absorbing unit 14 as a slack absorber, a chemicals liquid dispensing unit 15 as a chemicals liquid dispenser, a duct 16, a guide unit 60, an encoder 17 as a measuring device, a cutting unit 18 as a working device and a controller 19 as a control device.
• the frame 10 is mounted on the floor of the factory.
• the frame 10 extends horizontally.
• the guide roll 11 is mounted rotatably on an end portion of the frame 10.
• the guide roll 11 winds the long electric wire 3 without the mark 6.
• the guide roll 11 transports the electric wire 3 in sequence to the straitening unit 13, the slack-absorbing unit 14, the guiding unit 50, the chemicals liquid dispensing unit 15, the duct 16, the encoder 17 and the cutting unit 18.
• a pair of forwarding rollers 12 is mounted at the other end of the frame 10.
• the pair of forwarding rollers 12 is supported rotatably by the frame 10 and arranged vertically to the floor.
• the forwarding rollers 12 are rotated in opposite directions to each other in the same rotating speed by a motor (not shown) .
• the forwarding rollers 12 catch the electric wire 3 therebetween and pull the electric wire 3 from the guide roll 11 along a lengthwise direction of the electric wire 3.
• the forwarding roller 12 performs as a pulling device for pulling and transporting the electric wire 3 along the lengthwise direction of the electric wire 3.
• the forwarding roller 12 transports the electric wire 3 along the lengthwise direction of the electric wire 3 and moves the later-described coloring nozzle 31 of the chemicals liquid disposing unit 15 and the electric wire 3 relatively along the lengthwise direction of the electric wire 3.
• the electric wire 3 moves from the guide roll 11 toward the forwarding roller 12 along an arrow K in Fig. 1.
• the arrow K shows a moving direction of the electric wire 3.
• the straightening unit 13 is arranged at a side near to the forwarding roller 12 from the guide roll 11, and between the guide roll 11 and the forwarding roller 12. In other words, the straightening unit 13 is provided at a downstream side of the guide roll 11 and at an upstream side of the forwarding roller
• the straightening unit 13 includes a plate-shaped unit main body 20, a plurality of first rollers 21 and a plurality of second rollers 22.
• the unit main f body 20 is fixed on the frame 10.
• the first and second rollers 21, 22 are respectively supported rotatably by the unit main body 20.
• the plurality of first rollers 21 is arranged above the electric wire 3 in a horizontal direction , (the moving direction K) .
• the plurality of second rollers 22 is arranged below the electric wire 3 in a horizontal direction (the moving 1 direction K) .
• the first rollers 21 and the second rollers 22 are provided in a staggered arrangement as shown in Fig. 1.
• the straightening unit 13 catches the electric wire 3 forwarded from the guide roll 11 by the forwarding roller 12 between the first rollers 21 and the second rollers 22.
• the straightening unit 13 straightens the electric wire 3.
• the straightening unit 13 loads a friction force on the electric wire 3 by catching the electric wire 3 between the first rollers 21 and the second rollers 22. In other words, the straightening unit 13 loads a first bias force Hl with an opposite direction to a direction of pulling the electric wire 3 by the forwarding roller 12
• the first bias force Hl is smaller than a force of pulling the electric wire 3 by the forwarding roller 12. Thereby, the straightening unit 13 loads a tensile force along the lengthwise direction on the electric wire 3.
• the slack-absorbing unit 14 is provided at the side, near to the forwarding roller 12, of the straightening unit 13, and between the straightening unit 13 and the forwarding roller 12. In other words, the slack-absorbing unit 14 is provided at a downstream side of the straightening unit 13 and at an upstream side of the forwarding roller 12 in the moving direction K. The slack-absorbing unit 14 is provided between the straightening unit 13 and the later-described coloring nozzle 31 of the chemicals liquid dispensing unit 15.
• the slack-absorbing unit 14, as shown in Fig. 1, includes a pair of guide-roller support frames 23, a pair of guide rollers 24, a movable-roller support frame 25, a movable roller 26 and an air cylinder 27 as a biasing device.
• the guide-roller support frame 23 is fixed on the frame 10.
• the guide-roller support frame 23 extends upwardly from the frame 10.
• the pair of guide-roller support frames 23 is arranged along the moving direction K of the electric wire 3 with a space to each other.
• the pair of guide rollers 24 is supported rotatably by the guide-roller support frames 23.
• the guide rollers 24 are arranged below the electric wire 3, and make outer surfaces thereof abut on the electric wire 3 so as to guide the electric wire 3 for preventing the electric wire 3 from moving out of the moving direction K. Therefore, the guide roller 24 guides the electric wire 3 in the moving direction K.
• the movable-roller support frame 25 is fixed on the frame 10.
• the movable-roller support frame 25 extends upwardly from the frame 10.
• the movable-roller support frame 25 is provided between the pair of guide-roller support frames 23.
• the movable roller 26 is supported rotatably and movably along a vertical direction by the movable-roller support frame 25.
• the movable roller 26 is arranged above the electric wire 3.
• the movable roller 26 is supported movably along the vertical direction, that is along a direction perpendicular to the moving direction K of the electric wire 3.
• the movable roller 26 is arranged in the center between the guide rollers 24.
• the air cylinder 27 includes a cylinder main body 28 and an extendable rod 29 to extend from and retract in the cylinder main body 28.
• the cylinder main body 28 is fixed on the movable-roller support frame 25 and arranged above the electric wire 3.
• the extendable rod 29 extends downwardly from the cylinder main body 28. In other words, the extendable rod 29 extends from the cylinder main body 28 so as to approach the electric wire 3.
• the movable roller 26 is mounted on the extendable rod 29.
• the air cylinder 27 biases the extendable rod 29, that is the movable roller 26, downwardly along a direction perpendicular (intersecting) to the moving direction K with a second bias force H2 (shown in Fig. 1) . Therefore, the air cylinder 27 biases the movable roller 26 to approach the electric wire 3 with the second bias force H2.
• the second bias force H2 is smaller than the first bias force Hl.
• the electric wire 3 moves along the arrow K by inertia and slackens between the pair of guide rollers 24.
• the air cylinder 27 biases the movable roller 26 with the second bias force H2, so that the extendable rod 29 of the air cylinder 27 extends so as to move to a position shown with a long dashed double-short dashed line in Fig. 1.
• the slack-absorbing unit 14 biases the electric wire 3 slacked between the guide rollers 24 along the direction perpendicular to the moving direction K of the electric wire 3 and maintains the electric wire 3 in tension by absorbing the slack.
• the chemicals liquid dispensing unit 15 is arranged at a side near to the forwarding roller 12 of the guiding unit 50, and between the slack-absorbing unit 14 and the forwarding roller 12. In other words, the chemicals liquid dispensing unit 15 is provided at a downstream side of the slack-absorbing unit 14 and at an upstream side of the forwarding roller 12 in the moving direction K of the electric wire 3.
• the chemicals liquid dispensing unit 15, that is a later-described coloring nozzle 31 is provided between the forwarding roller 12 and the straightening unit 13.
• the chemicals liquid dispensing unit 15 includes a unit main body 30, a plurality of coloring nozzles 31, a chemicals liquid tank 32 and a pressure gas supply source 33 as a pressure fluid supply source, as shown in Fig. 2.
• the unit main body 30 is fixed on the frame 10.
• the unit main body 30 supports the plurality of coloring nozzles 31.
• the coloring nozzle 31 as structured above jets each specific amount of the liquid colorant from the later-described chemicals liquid tank 32 toward the outer surface 3a of the electric wire 3.
• the coloring nozzle 31 puts the drop of the jetted colorant on the outer surface 3a of the electric wire 3 to color (mark) at least part of the outer surface 3a of the electric wire 3.
• the colorant nozzle 31 as shown in Fig. 6 includes a cylindrical nozzle main body 34, an insert member 35 received in the nozzle main body 34, an inlet pipe 36, a nozzle 54 and a valve unit 38.
• the insert member 35 is formed into a cylindrical shape and inside thereof with a passage 39 passing the colorant.
• the colorant supplied from the later-described chemicals liquid tank 32 is filled in the passage 39.
• the insert member 35 corresponds to the receiving section for receiving the liquid colorant described in the specification.
• the inlet pipe 36 communicates to the passage 39 for leading the colorant from the chemicals liquid tank 32 to the passage 39.
• the nozzle 54 includes a first nozzle member 37, a second nozzle member 50 and a connecting pipe 51.
• the first nozzle member 37 is formed into a cylindrical shape and communicates into the passage 39 for leading the colorant in the passage 39 out of the coloring nozzle 31.
• An inner diameter of the first nozzle member 37 is smaller than that of the nozzle main body, that is an outer diameter of the passage 39.
• the first nozzle member 37 is arranged coaxially to the nozzle main body 34.
• the first nozzle member 37 is made of stainless steel.
• the second nozzle member 50 is formed into a cylindrical shape.
• the second nozzle member 50 is made of polyetheretherketone (call PEEK hereafter) .
• An outer diameter of the second nozzle member 50 is equal to that of the first nozzle member 37.
• the nozzle 54 is formed into a cylindrical shape so as to pass the colorant inside thereof and communicate to the insert member 35.
• An inner diameter of the second nozzle member 50 is smaller than that of the first nozzle member 37.
• the second nozzle member 50 is arranged coaxially to the first nozzle member 37 and communicates to the first nozzle member 37.
• the second nozzle member 50 is arranged nearer to the electric wire 3 than the first nozzle member 37.
• the first nozzle member 37 and the second nozzle member 50 are water-sealed therebetween.
• the colorant flows along an axis of the first nozzle member 37 inside of the first nozzle member 37 and the second nozzle member 50.
• a end surface 50a, near to the nozzle member 37, of the second nozzle member 50 projects from an inner surface of the first nozzle member 37 toward an inside of the first nozzle member 37.
• the end surface 50a is formed into a flat shape along a direction perpendicular (intersecting) to an axis.
• the end surface 50a has a step so as to be formed between the first nozzle member 37 and the second nozzle member 50.
• the connecting pipe 51 is made of fluorine resin and formed into a cylindrical shape. An inner diameter of the connecting pipe 51 is substantially same as each outer diameter of the first nozzle member 37 and the second nozzle member 50.
• the connecting pipe 51 fits to each outer surface of the first nozzle member 37 and the second nozzle member 50.
• the connecting pipe 51 makes the second nozzle member 50 removable against the first nozzle member 37.
• the valve unit 38 includes a coil 40, a valve main body 41 and a coil spring.
• the coil 40 is provided outside the passage 39 so as to be embedded in the insert member 35. Electric current from outside is flowed in the coil 40.
• the valve main body 41 has a conductive body member 43 and a valve body 44.
• the body member 43 includes integrally a cylindrical portion 45 and disk portion 46 continuous to one end of the cylindrical portion 45.
• the body member 43 is received in the passage 39 so as to make the disk portion 46 oppose to a base end 37a of the first nozzle member 37, and so as to make a lengthwise of the
• the valve body 44 is fixed on the disk portion 46 of the body member 43.
• the valve body 44 is received in the insert member 35.
• the valve 44 opposes to the base end 37a of the first nozzle member 37. Since the valve boy 44 is fixed on the disk portion 46 of the body member 43, the valve body 44 can move freely close to and apart from the base end 37a of the first nozzle member 37.
• the base end 37a of the first nozzle member 37 is a base end located in the insert member 35 as a receiving section of the nozzle 54.
• valve 44 When the valve body 44 abuts on the base end 37a of the first nozzle member 37, the valve 44 water-seals between the base end 37a and itself to prevent the colorant in the passage 39 from flowing into the first nozzle member 37.
• the valve body 44 moves apart from the base end 37a of the first nozzle member 37, the colorant is allowed to flow through the first nozzle member 37 and the second nozzle member 50, and be jetted toward the outer surface 3a of the electric wire 3.
• the valve body 44 moves close to and apart from the base end 37a between an open position shown with a long dashed double-short dashed line in Fig. 6 and a close position shown with a solid line in Fig. 6.
• valve body 44 When the valve body 44 is apart from the base end 37a at the open position, the colorant is jetted toward the electric wire 3 through the first nozzle member 37 and the second nozzle member 50. When the valve body 44 is in contact to the base end 37a at the close position, it is stopped the colorant to be jetted toward the electric wire 3 through the first nozzle member 37 and the second nozzle member 50. Thus, the valve body 44 moves close to and apart from the base end 37a so as to make the colorant jetted from the nozzle 54.
• the coil spring 42 biases the disk portion 46 to move toward the base end 37a of the first nozzle member 37.
• the coloring nozzle 31 structured above is mounted on the unit main body 30.
• a plurality of coloring nozzles 31 is arranged along the moving direction K of the electric wire 3.
• five coloring nozzles 31 are arranged along moving direction K of the electric wire 3 in the unit main body 30.
• Each coloring nozzle 31 is supported in the unit main body 30 so as to locate the top of the electric wire 3 on an axis of the first nozzle member 37 as shown in Fig. 3.
• the coloring nozzle 31 jets the colorant along the axis. Thereby, the coloring nozzle 31 jets the each specific amount of the colorant toward the top of the electric wire 3.
• the aforesaid coloring nozzle 31 corresponds to the nozzle in the claim.
• the chemicals liquid tank 32 is supported by a stand post
• Each chemicals liquid tank 32 is provided corresponding to each coloring nozzle 31.
• the chemicals liquid tank 32 as shown in Figs. 3-5 includes an inner case 56, an outer case 57, a pressure fluid supply pipe 58 and a chemicals liquid discharge pipe 59.
• the inner case 56 is made of a film sheet of laminating a sheet of synthetic resin as a deformable material and a foil of aluminium alloy to be formed into a bag.
• the inner case 56 is made of deformable material
• "the inner case 56 is made of a deformable material” in this application means that the inner case is structured by a material, which can be deformed in all deformation including elastic deformation and plastic deformation.
• the inner case 56 can be made of a material, which can be deformed by pressure of pressure gas as pressure fluid.
• the inner case 56 in the example of the figure, is made of a film sheet structured by laminating in order a non-drawn polyolefine film layer such as non-drawn polyethylene described in JP2003-11994, a drawn nylon film layer, a barrier layer such as drawn film of an aluminum foil and a drawn polyethylene terephthalate film layer.
• the inner case 56 receives colorant as chemical liquid and is sealed.
• the inner case 56 is formed into a bag shape, a top end of which only opens as one end thereof, with the aforesaid film sheet as shown in Fig. 11. Thereafter, the colorant is poured into the inner case 56 as shown in Fig. 12. The inner case 56 is closed at the top end by heat sealing as shown in Fig. 13.
• the inner case 56 encloses the colorant inside thereof.
• the outer case 57 is made of a film sheet of laminating a sheet of synthetic resin as a deformable material and a foil of aluminium alloy to be formed into a bag.
• the outer case 57 is made of deformable material, "the outer case
• the outer case 57 is made of a deformable material" in this application means that the outer case is structured by a material, which can be deformed in all deformation including elastic deformation and plastic deformation.
• the outer case 57 can be made of a material, which can be deformed by pressure.
• the outer case 57 in the example of the figure, is made of a film sheet structured by laminating in order a non-drawn polyolefine film layer, a drawn nylon film layer, a barrier layer such as drawn film and a drawn polyethylene terephthalate film layer.
• a width H and a height A of the outer case 57 are formed larger than a width h and a height B of the inner case 56.
• the outer case 57 is formed larger than the inner case 56.
• the outer case 57 is sealed so as to receive the inner case
• the outer case 57 encloses the inner case 56 so as to prohibit the inner case 56 to touch directly to the outer air.
• the outer case 57 positions the inner case 56 at a central area thereof.
• the outer case 57 is provided with a plurality of positioning members 60 formed by heat bonding the film sheet to each other for positioning the inner case 56 at the central area of the outer case 57.
• the outer case 57 is formed into a bag shape, a top end of which only opens as one end thereof, with the aforesaid film sheet as shown in Fig. 14. Thereafter, the inner case 56 is received into the outer case 57 as shown in Fig. 15. The outer case 57 is closed at the top end by heat sealing and the positioning members 60 are formed by heat bonding. Thus, the outer case 57 encloses the inner case 56.
• a seal member 61 is adhered (mounted) on a bottom surface of the outer case 57.
• the seal member 61 is made of elastic material such as rubber.
• the seal member 61 is adhered at a position of the outer case 57, through which the chemicals liquid discharge pipe 59 passes.
• the pressure fluid supply pipe 58 is mounted on the outer case 57, that is the chemicals liquid tank 32 so as to pass through the bottom surface of the outer case 57.
• the pressure fluid supply pipe 58 communicates the pace between the outer case 57 and the inner case 56 with the outside of the outer case
• the pressure gas as the pressure fluid, from the pressure gas supply source 33 is supplied.
• a valve 62 is arranged between the pressure fluid supply pipe 58 and the pressure gas supply source 33.
• the valve 52 When the valve 52 is opened, the pressure gas is supplied into the outer case 57, that is the space between the outer case 57 and the inner case 56.
• the valve 61 When the valve 61 is closed, it is stopped that the pressure gas is supplied into the outer case 57, that is the space between the outer case 57 and the inner case 56.
• the chemicals liquid discharge pipe 59 is mounted on the chemicals liquid tank 32 so as to pass through the seal member 61, the bottom surface of the outer case 57 and a bottom surface of the inner case 56.
• the chemicals liquid discharge pipe 59 communicates the inside of the inner case 56 with the outside of the outer case 57, that is the chemicals liquid tank 32.
• the chemicals liquid discharge pipe 59 is connected with the inlet pipe 36 of the coloring nozzle 31.
• the chemicals liquid discharge pipe 59 discharges the colorant in the inner case 56 toward the inlet pipe 36, that is the coloring nozzle 31.
• the chemicals liquid discharge pipe 59 is for discharging the colorant in the inner case 56.
• the pressure gas supply source 33 communicates through the valve 62 to the pressure fluid supply pipe 58 of the chemicals liquid tank 32.
• the pressure gas supply source 33 supplies the pressure gas, as the pressure fluid, through the pressure fluid supply pipe 58 into the space between the outer case 57 and the inner case 56 of the chemicals liquid tank 32.
• the pressure gas supply source 33 can be provided correspondingly at a plurality of chemicals liquid tanks 32 to supply the pressure gas to the corresponding chemicals liquid tank 32.
• the valve 62 is opened by a command from the control unit 19, and the pressure gas from the pressure gas supply source 33 is supplied to the outer case of each chemicals liquid tank 32. Thereby, in the chemicals liquid dispensing unit 15, inside of the outer case 57 is maintained in a predetermined pressure, so that the colorant in the chemicals liquid tank 32 is supplied to the coloring nozzle 31.
• the coil 40 of any coloring nozzle 31 is activated corresponding to the command from the control unit 19, and the later-described valve body 44 moves apart from the base end 37a of the first nozzle member 37. Thereby, the chemicals liquid disposing unit 15 jets the each specific amount of the colorant in the passage 39 of any coloring nozzle 31 toward the electric wire 3.
• the colorant with viscosity 10 mPa*s or less is used.
• the colorant is a liquid material, which is made by dissolving a color material (industrial organic substance) in water or other solvent.
• a color material industrial organic substance
• the organic substance there are dyestuff and pigment (most material is organic and synthetic) .
• the pigment is used as the dyestuff, or the dyestuff is used as the pigment.
• the colorant is coloring liquid or coating material.
• the coloring liquid is a material by dissolving or dispersing dyestuff in solvent.
• the coating material is a material by dispersing the pigment in dispersant.
• the coloring unit 15 dyes a part of the outer surface 3a of the electric wire 3 with the dyestuff, or coats the outer surface 3a of the electric wire 3 with the pigment.
• coloring the outer surface 3a of the electric wire 3 means dyeing the part of the outer surface of the electric wire with the dyestuff (dyeing) and coating the part of the outer surface 3a of the electric wire with the pigment.
• the solvent and the dispersant have preferably affinity with synthetic resin forming the cover 5. Thereby, the dyestuff can penetrate securely into the cover 5, or the pigment can securely adhere onto the outer surface 3a.
• Jetting means that the liquid colorant shaped in a liquid drop, that is a drop, is biased and jetted from the coloring nozzle 31 to the outer surface 3a of the electric wire 3.
• the duct 16 is arranged at a side near to the forwarding roller 12 of the coloring unit 15, and between the coloring unit 15 and the forwarding roller 12. In other words, the duct 16 is provided at a downstream side of the coloring unit 15 and at an upstream side of the forwarding roller 12 in the moving direction K.
• the duct 16 is formed into a pipe shape to pass the electric wire 3 inside thereof.
• a drawing unit like a vacuum pump is connected to the duct 16. The drawing unit draws gas in the duct 16 to prevent filling the solvent and the dispersant in the colorant outside the coloring apparatus 1.
• the encoder 17 is arranged at a downstream side of the forwarding roller 12 in the moving direction K of the electric wire 3. As shown in Fig. 1, the encoder 17 has a pair of rotating rollers 47.
• the rotating rollers 47 are supported rotatably around each axes thereof. Outer surfaces of the rotating rollers 47 touch the outer surface 3a of the electric wire 3 caught between the pair of forwarding rollers 12.
• the encoder 17 is connected to the controller 19. When rotating rollers 47 rotate each predetermined angle, the encoder 17 outputs a pulse signal toward the controller 19. In other words, the encoder 17 outputs information according to the amount of moving of the electric wire 3 along the arrow K toward the controller 19.
• the encoder 17 measures data according to the amount of moving of the electric wire 3, and outputs the data according to the amount of moving of the electric wire 3 toward the controller 19.
• the encoder 17 outputs the pulse signal according to the amount of moving of the electric wire 3 generated by friction between the electric wire 3 and the rotating rollers 47.
• an operation for comparing can be executed.
• the cutting unit 18 is arranged at a downstream side of the pair of rotating rollers 47 of the encoder 17 in the moving direction of the electric wire 3.
• the cutting unit 18 includes the pair of cut blades 48, 49.
• the pair of cut blades 48, 49 is aligned in a direction vertical to the floor.
• the pair of cut blades 48, 49 approaches and separates from each other in the vertical direction.
• the pair of cut blades 48, 49 approaches to each other, and catches the electric wire 3 forwarded by the pair of forwarding rollers 12 therebetween, and cuts it.
• the pair of blades 48, 49 separates from the electric wire 3.
• the controller 19 is a computer including a RAM, a ROM and a CPU.
• the controller 19 is connected to the forwarding roller 12, the encoder 17, the cut unit 18 and the coloring nozzle 31 so as to control motions of them and totally control the coloring apparatus 1.
• the controller 19 stores a pattern of the mark 6 in advance.
• the controller 19 opens and closes (controls) the valve 62 so as to maintain the pressure in the outer case 57 in predetermined pressure to press the inner case 56 without damaging the outer case 57.
• a predetermined pules signal that is the datum according to the amount of moving of the electric wire 3 is inputted from the encoder 17, the controller 19 supplies an electric power to the coil 40 of the coloring nozzle 31 so as to jet a specific amount of the colorant from the coloring nozzle 31 toward the electric wire 3 on each time.
• the controller 19 reduces a time period of jetting the colorant from the coloring nozzle 31, and when the moving speed of the electric wire 3 decreased, the controller 19 increase a time period of jetting the colorant from the coloring nozzle 31.
• the controller 19 colors the electric wire according to the stored pattern.
• the controller 19 makes the coloring nozzle 31 jet the specific amount of colorant in each time according to the amount of moving of the electric wire 3 measured by the encoder 17.
• controller 19 When the controller 19 receives data of the encoder 17 and judges that a specific amount of the electric wire 3 moved according to the datum from the encoder 17, the controller 19 stops the forwarding roller 12 and makes the pair of cut blades 48, 49 approach to each other so as to cut the electric wire 3.
• the guide roll 11 is mounted on the frame 10. Separating the pair of cut blades 48, 49 to each other, and passing the electric wire 3 wound around the guide roll 11 in sequence through the straightening unit 13, the slack-absorbing unit 14, the chemicals liquid dispensing unit 15 and the duct 16, the electric wire 3 is caught between the pair of forwarding rollers 12.
• the pressure fluid supply pipe 58 Penetrating the pressure fluid supply pipe 58 and the chemicals liquid discharge pipe 59 through the bottom surface of the outer case 57 receiving the inner case 56 enclosing the colorant of the required color, the pressure fluid supply pipe 58 is connected to the pressure gas supply source 33 and the chemicals liquid discharge pipe 59 is connected to the coloring nozzle 31. And, the coloring nozzle 31 is mounted on a predetermined position of the unit main body 30 of the chemicals liquid dispensing unit 15. Thereafter, the valve 62 is opened to supply the pressure gas from the pressure gas supply source 33 into the outer case 57 of each chemicals liquid tank 32. The outer case 57 is expanded by the pressure gas as shown in Figs. 8, 9, and the outer surface of the inner case 56 is pressured.
• the colorant in the inner case 56 is supplied to the coloring nozzle 31.
• the second bias force H2 by the movable roller 26 is loaded on electric wire 3 by the air cylinder 27.
• the controller 19 supplies electric power in a predetermined period and in predetermined intervals to the coil 40 of the predetermined coloring nozzle 31.
• the coloring nozzle 31 jets the specific amount of the colorant to toward the oucer surface 3a of the electric wire 3 in each time.
• the solvent or dispersant in the colorant put on the outer surface 3a of the electric wire 3 is vaporized, and the outer surface 3a of the electric wire 3 is dyed with the dyestuff or painted with the pigment.
• the solvent or dispersant vaporized from the colorant put on the outer surface 3a of the electric wire 3 is drawn from the duct 15 by the drawing unit.
• the outer surface 3a of the electric wire 3 is colored.
• the controller 19 judges by the data from the encoder 17 that the electric wire of a predetermined length is forwarded, the controller 19 stops the forwarding roller 12. At the time, the electric wire 3 is slacked between the slack-absorbing unit 14 and the pair of guide rollers 24, and the movable roller 26 biased by the second bias force H2 moves to a position shown with a long dashed double-short dashed line in Fig. 1. Thereby, the extendable rod 29 of the air cylinder 27 in the slack- absorbing unit 14 extends. Then, the slack-absorbing unit 14 absorbs the slack of the electric wire 3.
• the pair of cut blades 48, 49 approaches to each other to clamp the electric wire 3 therebetween and cuts it.
• the electric wire 3 with the mark 6 formed on the outer surface 3a as shown in Figs. 7A, 7B is supplied.
• the coloring nozzle 31 jets each specific amount of the liquid colorant toward the outer surface 3a of the electric wire 3
• a part of the colorant flowing through the first nozzle member 37 and the second nozzle member 50 along the axis strikes an end surface 50a of the second nozzle member 50.
• the part of the colorant striking the end surface 50a generates a whirl to stir the colorant.
• concentration of the colorant in the second nozzle member 50 is maintained uniformly.
• the coloring nozzle 31 jets each specific amount of the liquid colorant toward the outer surface 3a of the electric wire 3 and the colorant passes from the passage 39 into the first nozzle member 37, pressure of the colorant is increased.
• the pressure of the colorant in the first nozzle member 37 is substantially uniform.
• the pressure of the colorant will be rapidly increased.
• the colorant is jetted from the second nozzle member 50 toward the outer surface 3a of the electric wire 3, and the pressure of the colorant will be rapidly decreased.
• the control unit 19 controls the valve 62 to maintain the pressure in the outer case 57 at the predetermined pressure.
• the inner case 56 is gradually shrunken as shown in Fig. 10. Thereby, the colorant in the inner case 56 can be pressured always by the constant pressure and supplied to the coloring nozzle 31 .
• the inner case 56 since the inner case 56 is sealed, it can be prevented that the colorant, as the chemicals liquid in the inner case 56, touches directly to the outer air. Therefore, deterioration of the colorant can be prevented.
• the inner case 56 is made of the deformable material and the pressure gas is supplied into the outer case 57, the chemicals liquid in the inner case 56 can be discharged to the outside thereof regardless of sealing the inner case 56. Since the inner case 56 is made of the deformable material, the inner case 56 can be formed into a bag shape with synthetic resin or the like. Thereby, the inner case can have a simple structure and be disposable. Therefore, when changing and filling the chemicals liquid, it is not required to clean and reuse the chemicals liquid tank 32.
• the chemicals liquid tank 32 can have a simple structure and prevent deterioration of the colorant as the chemicals liquid and increasing of processes for changing and filling the colorant. Since the inner case 56 is formed into a bag shape with a film sheet, the cost of the inner case 56 can be reduced.
• the outer case 57 is made of the deformable material, the outer case 57 can be formed into a bag shape with synthetic resin or the like. Thereby, the outer case can have a simple structure and be disposable as the inner case. Therefore, when changing and filling the chemicals liquid, it is not required to clean and reuse the chemicals liquid tank 32, so that increasing of processes for changing and filling the chemicals liquid can be prevented.
• the cost of the outer case 57 can be reduced. Thereby, the cost of the chemicals liquid tank 32 can be reduced in total.
• the seal member 61 made of the elastic material is mounted at the position of the outer case 57, through which the chemicals liquid discharge pipe 59 penetrates, the gap between the outer case 57 and the chemicals liquid discharge pipe 59 is filled by the elastic restoring force of the seal member 61. It can be prevented that the colorant in the chemicals liquid tank 32 leaks through the gap between the outer case 57 and the chemicals liquid discharge pipe 59.
• the chemicals liquid dispensing unit 15 includes the aforesaid chemicals liquid tank 32, the chemicals liquid tank 32 can have a simple structure and prevent deterioration of the colorant and increasing of processes for changing and filling the colorant .
• the inner case 56 is positioned at the central area of the outer case 57.
• the outer case 57 can be provided with a partition member 63 to divide the inner space of the outer case 57 into two spaces as shown in Figs. 16, 17.
• Figs. 16, 17 the same parts as the aforesaid embodiment are marked with the same mark and the description is omitted.
• the partition member 63 is formed by heat bonding film sheets opposite to each other of the outer case 57.
• one partition member 63 is disposed at a central area in a widthwise direction of the outer case 57 and extends linearly along a vertical direction.
• One space of the outer case 57 receives the inner case 56.
• a top end of the pressure fluid supply pipe 58 penetrating through the bottom surface of the outer case 57 is arranged in the other space of the outer case 57.
• a top end of the chemicals liquid discharge pipe 59 penetrating both through the bottom surface of the outer case 57 and the bottom surface of the inner case 56 is arranged in the inner case 56. As shown in Figs.
• the space in the outer case 57 is partitioned into one space for receiving the inner case 56 and the other space receiving nothing, it can be prevented that the pressure fluid supply pipe 58 is penetrated through the bottom surface of the inner case 56 by mistake. Therefore, the inner case 56 can be pressured by the pressure gas as the pressure fluid, and colorant can be supplied securely to the coloring nozzle 31.
• the bottom surfaces of the outer case 57 and the inner case 56 can be arranged to be piled to each other. In the condition, the chemicals liquid discharge pipe 59 of short length can penetrate, so that the chemicals liquid tank 32 can be mounted easily.
• the inner case 56 is positioned at the central area of the outer case 57.
• the top end of the outer case 57 and the top end of the inner case 56 can be piled (arranged in a line) .
• the same parts as the aforesaid embodiment are marked with the same mark and the description is omitted.
• the height A of the outer case 57 and the height B of the inner case 56 are predetermined, so that the pressure fluid supply pipe 58 can be penetrated shorter than a difference A-B of the heights A and B, and the chemicals liquid discharge pipe 59 can be penetrated longer than the difference A-B of the heights A and B.
• the top end of the pressure fluid supply pipe 58 can be positioned easily and securely between the outer case 57 and the inner case 56, and the top end of the chemicals liquid discharge pipe 59 can be positioned easily and securely in the inner case 56.
• the top end of the inner case 56 and the top end of the outer case 57 can be heat bonded simultaneously or can be heat bonded separately.
• the colorant strikes the end surface 50a of the second nozzle member 50 and is stirred.
• the first nozzle member 37 and the second nozzle member 50 are arranged coaxially. Since the end surface 50a is perpendicular (intersect) to the axis, the colorant can be stirred securely. Thereby, concentration ratio of the dyestuff or the pigment in the colorant is maintained uniformly. It can be prevented that the colorant with extremely high concentration is putted on the nozzle 54 of the coloring nozzle 31.
• each specific amount of the colorant can be jetted securely from the second nozzle member 50 toward the outer surface 3a of the electric wire 3. Since it can be prevented that the colorant sticks on the second nozzle member 50, it can be prevented that the colorant stuck to the second nozzle member 50 affects a direction of jetting the colorant. Therefore, each specific amount of the colorant can be jetted securely toward a predetermined point of the outer surface 3a of the electric wire 3. Thereby, the predetermined point of the outer surface 3a of the electric wire 3 can be colored with a predetermined color, and the colored position (aforesaid dot 7) can be maintained in a predetermined area ( size ) .
• the coloring nozzle 31 jets each specific amount of the colorant toward the electric wire 3.
• the electric wire 3 is colored.
• stopping the electric wire 3 is not required, so that an efficiency of a process is not decreased. Since the specific amount of the colorant is each jetted toward the electric wire 3 during the electric wire 3 moves relatively against the coloring nozzle 31, any point of the electric wire 3 can be colored continuously.
• the encoder 17 measures a moving amount of the electric wire 3, and the control unit 19 controls the coloring nozzle 31 in accordance with the moving amount of the electric wire 3.
• the electric wire 3 moves faster, a period of jetting the colorant can be shortened.
• the electric wire 3 moves slower, a period of jetting the colorant can be elongated. Therefore, even if moving speed of the electric wire 3 is changed, the interval of the colorant on the outer surface 3a of the electric wire 3 can be maintained in a constant distance.
• the colorant can be put on the outer surface 3a of the electric wire 3 in accordance with a predetermined pattern.
• the electric wire 3 can be colored in accordance with a predetermined pattern.
• the first nozzle member 37 and the second nozzle member 50 are formed separately. According to the present invention, the first nozzle member 37 and the second nozzle member 50 can be formed integrally.
• acryl paint, ink (dyestuff and pigment) , UV ink can be used as the colorant and the paint.
• the electric wire 3 structuring the wiring harness wired in the automobile is described.
• the electric wire 3 can be also applied to various electronic apparatuses such as a portable computer and various electric apparatuses.
• the coloring nozzle 31 for coloring the outer surface 3a of the electric wire 3 is shown.
• the coloring nozzle according to the present invention can color various other objects.
• the chemicals liquid tank 32 receiving the colorant for coloring the outer surface of the electric wire 3 is shown.
• various chemicals liquid can be received in the chemicals liquid tank 32.
• the chemicals dispensing unit 15 as the chemicals dispenser for discharging the colorant is shown. According to the present invention, it can dispense various chemicals liquid.
• the pressure gas as the pressure fluid is supplied into the outer case 57.
• various pressure fluid not only gas but also liquid can be supplied into the outer case 57.
• the outer case 57 is made of the deformable material.
• the outer case 57 can be made of a non-deformable (difficult-to-deform, substantially rigid) material. According to the present invention, if the inner case 56 can be pressured from outside, the outer case 57, in which the pressure fluid is supplied, can be made of any material.
• the coloring nozzle 31 including the valve unit 38 as a nozzle is shown.
• the nozzle can be formed into a simple tube shape or an orifice shape without the valve unit 38.
• the embodiment mentioned above is a just typical example of the present invention.
• the present invention is not limited by the embodiment. Modification may be made without departing from the scope of the present invention.

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• Manufacturing Of Electric Cables (AREA)
• Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
• Cleaning By Liquid Or Steam (AREA)
• Packages (AREA)
• Nozzles (AREA)

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• 2006
  • 2006-02-03 JP JP2006026913A patent/JP2007204130A/ja not_active Abandoned
• 2007
  • 2007-01-09 WO PCT/JP2007/050377 patent/WO2007088720A1/en active Search and Examination
  • 2007-01-09 MX MX2008009694A patent/MX2008009694A/es not_active Application Discontinuation
  • 2007-01-09 EP EP07706718A patent/EP1981645A1/en not_active Withdrawn
  • 2007-01-09 CN CNA2007800088627A patent/CN101400451A/zh active Pending

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