WO2004007324A1 - 紙送りローラとその製造方法 - Google Patents
紙送りローラとその製造方法 Download PDFInfo
- Publication number
- WO2004007324A1 WO2004007324A1 PCT/JP2002/011181 JP0211181W WO2004007324A1 WO 2004007324 A1 WO2004007324 A1 WO 2004007324A1 JP 0211181 W JP0211181 W JP 0211181W WO 2004007324 A1 WO2004007324 A1 WO 2004007324A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- paper feed
- outer peripheral
- peripheral surface
- coating material
- pipe
- Prior art date
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H27/00—Special constructions, e.g. surface features, of feed or guide rollers for webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2401/00—Materials used for the handling apparatus or parts thereof; Properties thereof
- B65H2401/10—Materials
- B65H2401/11—Polymer compositions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2402/00—Constructional details of the handling apparatus
- B65H2402/80—Constructional details of the handling apparatus characterised by the manufacturing process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/11—Details of cross-section or profile
- B65H2404/114—Built-up elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/18—Rollers composed of several layers
- B65H2404/181—Rollers composed of several layers with cavities or projections at least at one layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/50—Surface of the elements in contact with the forwarded or guided material
- B65H2404/53—Surface of the elements in contact with the forwarded or guided material with particular mechanical, physical properties
- B65H2404/531—Surface of the elements in contact with the forwarded or guided material with particular mechanical, physical properties particular coefficient of friction
Definitions
- the present invention relates to a paper feed roller for office automation equipment such as a printer, a facsimile, and a copying machine, and a method for manufacturing the same.
- the paper feeder for feeding paper forms a paper feed unit for paper feed and a pair of shafts at both ends.
- a friction coating layer made of a synthetic resin containing hard particles is formed on the outer peripheral surface of the paper feeding portion.
- this paper feed roller To manufacture this paper feed roller, a steel bar is cut, a shaft is formed at both ends, a coating film is formed on the outer surface, and a synthetic resin material is formed on the outer surface of the paper feed unit. It is manufactured by forming a friction coat layer.
- the adhesive is cured to form a large number of protrusions.
- the ultraviolet-curing adhesive is partially cured by irradiating the mixture with dots or linear ultraviolet rays.
- a technique of removing a UV-curable adhesive which has not been cured to form a large number of protrusions see Japanese Patent Application Laid-Open No. Hei 9-73002).
- paper feed ports made of steel pipe members are also used in practical use.
- the linear accuracy of the material of the pipe members is low, machining of the outer peripheral surface is required.
- paper feed rollers made entirely of synthetic resin materials are also in practical use, but have problems such as poor rigidity, low linear accuracy, and thermal expansion when the temperature rises during use.
- an ultraviolet-curable adhesive Z instead of the paint was used.
- a method for manufacturing a paper feed roller is disclosed.
- An object of the present invention is to provide a paper feed roller which can be manufactured at low cost, is lightweight, can secure linear accuracy, and can improve paper feed performance, and a method of manufacturing the same.
- Other objects of the present invention will be apparent from the description of the effects of the present invention and the description of the embodiments. Disclosure of the invention
- a paper feed roller is a paper feed roller for paper feed, wherein a hollow pipe-shaped member forming a paper feed portion for feeding paper, and concentrically fixed to both ends of the pipe-shaped member.
- a synthetic resin friction coating layer containing:
- the paper feed roller has a hollow pipe-shaped member forming a paper feed section, and a pair of shaft members fixed concentrically to both ends of the pipe-shaped member.
- the shaft members at both ends are pivotally supported by the machine frame of the OA device, a gear is fixed to at least one of the shaft members, and a rotational driving force is input from a drive mechanism.
- the shaft member may be made of metal or synthetic resin.
- the pipe-shaped member includes a steel pipe, a synthetic resin coating material for coating the outer peripheral surface of the steel pipe, and a synthetic resin friction coat layer containing hard particles formed on the outer peripheral surface of the coating material. It has. Therefore, as a material of the pipe-shaped member, for example,
- a steel pipe with a wall thickness of about 0.25 to 0.40 mm for example, a steel pipe obtained by forming a band-shaped hoop material into a pipe shape and welding the joining line
- a covering material made of synthetic resin for example, synthetic resin
- the material cost of the material for the pipe-shaped member can be significantly reduced.
- the paper feed roller has a pair of shaft members that are concentrically fixed to both ends of a hollow pipe-shaped member that forms a paper feed unit, the thickness of the steel pipe of the pipe-shaped member is large. Small steel pipe is applicable.
- This pipe-shaped member is made of a steel pipe to ensure its rigidity, but it is lightweight, and since the inner layer of the friction coating layer is made of a soft synthetic resin coating material compared to steel, It is easy to adhere to paper and has excellent paper feeding performance. Moreover, the steel pipe is covered with the covering material, and is in a protected state.
- the paper feed roller can be manufactured at low cost, is lightweight, and has high accuracy.
- the paper feed roller for paper feed of the present invention is a paper feed roller for paper feed, comprising a hollow pipe-shaped member forming a paper feed section for feeding paper, and the pipe-shaped member is made of steel.
- the pipe-shaped member of the paper feed roller is the same as the pipe-shaped member of the paper feed roller, the same operation and effect as those of the pipe-shaped member can be obtained.
- an axial portion is formed by utilizing the extended portions at both ends of the pipe-shaped member and extending on both sides of the paper feed portion.
- the covering material is removed, gear teeth can be formed on the steel pipe of the shaft by molding, shafts supported by bearing members can be formed, and gear members can be fixed. Or a complex shaft. Therefore, the steel pipe shall have a wall thickness (for example, 0.4 to 1.0 mm) greater than the wall thickness of the steel pipe described in claim 1.
- the thickness of the steel pipe of the pipe-like member is set to be larger than the steel pipe of claim 1.
- the number of parts can be reduced, and the manufacturing cost can be reduced.
- the paper feed roller with high linear accuracy and high cylindrical surface accuracy can be used without machining the steel pipe. It can be.
- the pipe-shaped member is manufactured using a steel pipe covered with the coating material. Therefore, the paper feed roller can be manufactured using commercially available resin-coated steel pipes (for example, artificial bamboo for horticulture), and the material cost is significantly lower. Can be reduced.
- the method for manufacturing a paper feed roller of the present invention is a method for manufacturing a paper feed roller for feeding paper, wherein the material of the hollow pipe-shaped member forming the paper feed section for feeding paper is made of synthetic resin.
- a first step of preparing a steel pipe covered with a covering material and preparing a pair of shaft members fixed to both ends of the pipe-shaped member; and both ends of the steel pipe covered with the covering material A second step of smoothly machining at least a part of the outer peripheral surface of the shaft member and the entire outer peripheral surface of the coating material after fixing a pair of shaft members to the portion; And a third step of forming a synthetic resin friction coating layer containing hard particles.
- a steel pipe covered with a synthetic resin covering material is prepared, and a pair of shaft members fixed to both ends of the pipe-shaped member are formed.
- a pair of shaft members is fixed to both ends of the steel pipe covered with the coating material, and then at least a part of the outer peripheral surface of the shaft member and the entire outer peripheral surface of the coating material are smoothed.
- a synthetic resin friction coat layer containing hard particles is formed on the outer peripheral surface of the coating material.
- the method for manufacturing a paper feed roller of the present invention is a method for manufacturing a paper feed roller for feeding paper, wherein the material of the hollow pipe-shaped member forming the paper feed section for feeding paper is made of synthetic resin.
- An adhesive applying step of dispersing a particle attaching step of dispersing a large number of hard particles in an ultraviolet-curable adhesive applied to the outer peripheral surface of the coating material and attaching the hard particles substantially uniformly, Irradiating the curable adhesive with ultraviolet light to cure the ultraviolet curable adhesive, and forming an adhesive curing step of forming a synthetic resin friction coat layer containing hard particles on the outer peripheral surface of the coating material. It is a feature.
- a preparation step a steel pipe covered with a synthetic resin covering material is prepared, and then, in a machining step, the coating material is coated. Machine the entire outer circumference smoothly.
- an ultraviolet-curing adhesive is applied to the outer peripheral surface of the coating material that has been machined smoothly.
- the ultraviolet-curing adhesive applied to the outer peripheral surface of the coating material is applied.
- a large number of hard particles are dispersed in the agent and adhere almost uniformly.
- a large number of hard particles may be sprayed on the ultraviolet curable adhesive or may be adhered so as to be dipped.
- ultraviolet rays are applied to the ultraviolet-curable adhesive to which the hard particles are adhered to cure the ultraviolet-curable adhesive, thereby forming a synthetic resin friction coat layer containing the hard particles on the outer peripheral surface of the coating material.
- any of an ultraviolet-curable acrylic adhesive, a urethane-based adhesive, a silicon-based adhesive, and an epoxy-based adhesive is used.
- the adhesive may be applied using a brush roller, or a spin coating technique may be applied.
- the thickness of the ultraviolet-curable adhesive applied to the outer peripheral surface of the coating material is, for example, 30 to 35 m, and the particle size of the hard particles adhered to the ultraviolet-curable adhesive is, for example, 30 to 6 It is preferably 0 m.
- an ultraviolet curable adhesive is applied to the outer peripheral surface of the coating material coated on the steel pipe, and then a large number of hard particles are dispersed in the ultraviolet curable adhesive. It can be uniformly attached. In this way, a large number of hard particles are moderately immersed in the UV-curable adhesive and relatively exposed to the surface of the UV-curable adhesive. In this state, the UV-curable adhesive is irradiated with ultraviolet rays. By curing the UV-curable adhesive, a large number of hard particles can be securely fixed to the UV-curable adhesive. As a result, the friction coefficient of the synthetic resin friction coat layer containing the hard particles is significantly increased, so that a paper feed roller having high paper feed performance can be manufactured.
- the ultraviolet-curable adhesive can be easily cured, so that the time required for the adhesive curing step can be reduced, and a paper feed roller can be manufactured. It is not necessary to raise the temperature of the steel pipe and the coating material to cure (dry) the UV-curable adhesive, as it increases the efficiency and thermal deformation (thermal expansion, etc.) of the steel pipe and coating material And the paper feeder can be manufactured with high accuracy. Also, the material cost of UV-curable adhesives is lower than that of paints that have been used in the past.
- FIG. 1 is a perspective view of a printing apparatus according to an embodiment of the present invention.
- FIG. 2 is a plan view of the paper feed roller.
- FIG. 3 is a cross-sectional view taken along the line II-II of FIG.
- Figure 4 is a front view of the paper feed roller (before mounting the shaft member) in the middle of manufacturing.
- FIG. 5 is an enlarged sectional view of a main part of the pipe-shaped member.
- Fig. 6 is a front view of the paper feed roller (after mounting the shaft member) in the middle of manufacturing.
- FIG. 7 is an enlarged sectional view of an end portion of the paper feed roller.
- FIG. 8 is a plan view of a paper feed roller according to a modification.
- FIG. 9 is an enlarged sectional view of the end portion of the paper feed roller of FIG.
- FIG. 10 is a sectional view of a main part of a paper feed roller according to another embodiment.
- FIG. 11 is a process chart of a method of manufacturing a paper feed roller according to another embodiment.
- the printer 1 is an ink-jet printer, and a moving space for a carriage 3 is provided on an upper surface side of a main body case 2.
- the carriage 3 is moved and driven by a stepping motor via a pair of bridges and a timing belt having both ends connected to the carriage 3.
- four color ink cassettes 7 a to 7 d are detachably mounted on the carriage 3.
- the paper 9 is supplied from the tray 8, is fed by the paper feed roller 10 and the pressing roller above the paper feed roller 10, and printing is performed from the print head of the carriage 3 reciprocating with respect to the paper.
- the paper feed roller 10 is a hollow pipe-like member 11 forming a paper feed part for feeding paper, and is concentrically fixed to both ends of the pipe-like member 11. And a pair of shaft members 12.
- the pipe-shaped member 11 is formed on a steel pipe 13, a synthetic resin (such as ABS resin) coating material 14 covering the entire outer peripheral surface of the steel pipe, and formed on the outer peripheral surface of the coating material 14.
- the steel pipe 13 is, for example, a steel pipe having a diameter of about 1.0 cm and a wall thickness of about 0.25 mm, and a seam obtained by welding a joining line while forming a band-shaped hoop material into a pipe shape. It is a steel pipe with. However, the above-mentioned specifications of the pipe material 13 are merely examples, and the steel pipe may be a seamless pipe.
- the coating material 14 is coated by extrusion so as to cover the entire outer peripheral surface of the steel pipe 13, and has a thickness of, for example, about 1.0 to 1.5 mm.
- the outer peripheral surface of the coating material 14 is machined smoothly, and the linear accuracy and the cylindrical surface accuracy of the pipe-shaped member 11 are secured.
- the covering material 14 may be made of various synthetic resins other than the above-mentioned synthetic resins (for example, epoxy resin, acrylic resin, polyethylene resin, etc.).
- the synthetic resin friction coat layer 18 is used to increase the friction between the paper and the paper feed roller 10. It is formed on the entire outer peripheral surface of the coating material 14.
- the synthetic resin friction coat layer 18 is formed of a conductive film (not shown) necessary for electrostatic powder coating of the synthetic resin layer 17 and a synthetic resin layer 17 containing hard particles 16.
- the hard particles 16 contained in the synthetic resin friction coating layer 18 are alumina having a particle size of 60 to 150 m, but are hard particles of various ceramics other than alumina, glass particles, diamond particles, and Hard abrasive grains may be used.
- the thickness of the synthetic resin layer 17 is desirably about 1 Z 2 of the particle size of the hard particles, and a synthetic resin having a thickness of 40 to 75 m (for example, an epoxy resin or an acrylic resin). It is formed with.
- a coating material 14 made of the same synthetic resin as described above was used as a material of a hollow pipe-shaped member 11 forming a paper feeding portion for feeding paper.
- a coated steel pipe 13 is prepared, but as this material, artificial bamboo for horticulture cut to the desired length is applied, the covering material 14 also has a plurality of joints 14 a. is there.
- a pair of stainless steel shaft members 12 fixed to both ends of the pipe-shaped member 11 are prepared.
- the shaft member 12 is formed by integrally forming the inner fitting portion 12a, the large-diameter portion 12b, and the shaft portion 12c, and the outer diameter of the inner fitting portion 12a is Approximately 10 to 50 m larger than the inner diameter of the steel pipe 13, and the outer diameter of the large-diameter section 12 b is almost the same as the outer diameter of the coating material 14 except for the nodal section 14 a Is the diameter.
- the thickness, length, and shape of the shaft portion 12c of the shaft member 12 are not limited to those shown in the drawings, and the shaft portion 12c is provided with a drive mechanism for driving the paper feed roller 10 to rotate.
- Gear teeth may be formed to externally fix the gear member, or may be formed on the shaft of D-shaped cross section to fix the gears. It is formed in various thicknesses, lengths and shapes according to the requirements.
- the pair of shaft members 12 are not necessarily of the same structure, and are formed in different thicknesses, lengths, and shapes according to the driving mechanism of the paper feed roller 10.
- the inner fitting portions 12 a of the pair of shaft members 12 are press-fitted into both ends of the steel pipe 13 covered with the covering material 14. Fit and stick, large The diameter part 12 b is brought into contact with the end face of the steel pipe 13.
- the adhesive may be applied to press fit.
- the outer peripheral surface of the shaft member 12 for example, the outer peripheral surface of the large diameter portion 12b
- the entire outer peripheral surface of the coating material 14 is machined (polished) smoothly.
- the outer peripheral surface of the shaft portion 12 c of the shaft member 12 is also smoothly machined (polished). It is desirable.
- a synthetic resin friction coat layer 18 containing hard particles 16 is formed on the outer peripheral surface of the coating material 14.
- a conductive coating having a predetermined thickness is formed by applying a conductive coating to a predetermined thickness on the entire surface of the polished coating material 14 and drying the coating.
- the surface of the conductive film is electrostatically coated with a synthetic resin powder containing, for example, hard particles 16 having a particle size of 60 to 150 zm, and the synthetic resin powder is baked.
- a synthetic resin layer 17 having a thickness of 40 to 75 containing 6 is formed, and a synthetic resin friction coat layer 18 is formed.
- the specifications of the particle diameter of 60 to 150 m and the thickness of B of 40 to 75 m are merely examples, and are not limited thereto.
- the thickness of the synthetic resin layer 17 and the particle size of the hard particles 16 are not particularly limited to the above, but in order to prevent the hard particles 16 from being covered with the synthetic resin layer 17,
- the thickness of the synthetic resin layer 17 is desirably about 1 to 2 times the particle diameter of the hard particles 16.
- the synthetic resin powder containing the hard particles 16 on the surface of the conductive film is coated with an electrostatic powder, and then the synthetic resin powder is exposed to ultraviolet light. It is also possible to cure by irradiation.
- the paper feed roller 10 includes a hollow pipe-shaped member 11 forming a paper feed portion, and a pair of stainless steel shaft members 12 concentrically fixed to both ends of the pipe-shaped member 11.
- the pipe-shaped member 11 has a steel pipe 13, a synthetic resin covering material 14 covering the outer peripheral surface of the steel pipe 13, and an outer peripheral surface of the covering material 14. And a synthetic resin friction coat layer 18 containing the formed hard particles 16.
- the rigidity of the paper feed roller 10 can be secured mainly by the steel pipe 13, It is possible to manufacture the pipe-shaped member 11 using a low-cost and inexpensive synthetic resin-coated steel pipe (for example, artificial bamboo), and to machine the outer surface of the coating material 14 instead of the steel pipe 13 Since it is possible to obtain linear accuracy and cylindrical surface accuracy, machining costs can be reduced. Since the steel pipe 13 is covered with the covering material 14 and protected, it is possible to omit a protection treatment such as plating and painting. Further, since the shaft members 12 are fixed to both ends of the paper feed roller 10, the thickness of the steel pipe 13 can be reduced to a minimum. In this way, the paper feed roller 10 can be manufactured at low cost, is lightweight, has sufficient rigidity, and has excellent linear accuracy and cylindrical surface accuracy.
- a low-cost and inexpensive synthetic resin-coated steel pipe for example, artificial bamboo
- the same or similar reference numerals are given to the same components as those of the above-described embodiment, and the description is omitted.
- the shaft members 12 and 12 are omitted, and the pipe-shaped member 11A is longer on both sides than the paper feed portion.
- the pipe-shaped member 11A is extended, and a shaft-shaped portion 20 made of a steel pipe 13A is formed at both ends of the pipe-shaped member 11A.
- the covering material 14 covering the steel pipe 13A has been removed.
- the friction coating layer 18 formed by the coating material 14, the hard particles 16 and the synthetic resin layer 17 is the same as in the above embodiment.
- Each of the shaft portions 20 has at least a shaft portion 20a, which is supported by the bearing member of the printer so as to be rotated by itself.
- One of the shaft portions 20 has gear teeth 20 b extending axially outward from the shaft portion 20 a (a gear for externally fixing a gear member of a drive mechanism for rotating the paper feed roller 10 A). Teeth) are integrally formed by molding.
- the steel pipe 13 A Since a pair of shaft portions 20 are formed by utilizing the steel pipe 13A, a steel pipe having a wall thickness of, for example, about 0.4 to 1.0 mm is used as the steel pipe 13A.
- the structure of the shaft portion 20 is not limited to the illustrated one, and various structures similar to the shaft member 12 can be used in relation to a drive mechanism that rotationally drives the paper feed roller 1 OA. It is composed of As described above, since the shaft portion 20 is configured by effectively utilizing the steel pipe 13 A, the shaft member 12 of the above embodiment is omitted, the number of parts is further reduced, and the manufacturing cost is further reduced. can do.
- a paper feed roller 30 according to another embodiment is obtained by changing the synthetic resin friction coat layer 18 in the feed roller 10 according to the above embodiment.
- the same components as those of the paper feed roller 10 are denoted by the same reference numerals, and description thereof is omitted.
- the synthetic resin friction coat layer 32 of the pipe-shaped member 31 is formed on the entire outer peripheral surface of the coating material 14.
- the synthetic resin friction coating layer 32 is made of a UV-curable adhesive 33 applied and fixed to the outer peripheral surface of the coating material 14 and dispersed in the UV-curable adhesive 33 so as to be substantially uniform. And a large number of hard particles 34 attached and fixed.
- the thickness of the ultraviolet-curing adhesive 33 applied to the outer peripheral surface of the coating material 14 is 30 to 35, and the hard particles 34 attached to the ultraviolet-curing adhesive 33 are cured by ultraviolet light.
- the UV-curable adhesive 33 any one of an acrylic-based adhesive, a polyurethane-based adhesive, a silicon-based adhesive, and an epoxy-based adhesive of a UV-curable type is used.
- the hard particles 34 are hard particles of various ceramics (silicon carbide, zirconium, etc.) other than alumina, high-hardness metal particles, metal oxide particles, glass particles, diamond particles, and hard abrasive particles. And so on.
- a steel pipe 13 covered with a synthetic resin covering material 14 is prepared as a material of a hollow pipe-shaped member 31 forming a paper feeding portion for feeding paper.
- a pair of shaft members 12 to be fixed to both ends of the pipe-shaped member 31 are prepared.
- an artificial bamboo for gardening cut to a desired length is applied, and the covering material 14 has a plurality of nodes 14a.
- a pair of shaft members 12 at both ends of the steel pipe 13 covered with the coating material 14 are press-fitted and fixed inside, and then, at P3 (the machining process).
- the machining process After removing the joints 14a of the covering material 14 by machining (cutting), at least part of the outer peripheral surface of the shaft member 12 and the entire outer peripheral surface of the covering material 14 are machined smoothly. (Polishing). In this case, the steel pipe 13 is rotated while supporting the pair of shaft members 12 and machining is performed by a polishing machine.
- P1 to P3 are the same as the steps in the case of manufacturing the paper feed roller 10 of the embodiment.
- an ultraviolet curable adhesive 33 is applied to the smoothed outer peripheral surface of the coating material 14.
- a spin-coating technique is applied, a predetermined amount of the ultraviolet curable adhesive 33 is dropped onto the coating material 14, and then the steel pipe 13 (the coating material 14) is rotated at high speed, for example, around an axis. Then, a film having a thickness of 30 to 65 / m is formed in a state where the ultraviolet curable adhesive 33 is applied substantially uniformly to the outer peripheral surface of the coating material 14.
- the ultraviolet curable adhesive 33 may be applied to the outer peripheral surface of the coating material 14 using a brush roller.
- P 4 adhesive application step
- the coating is performed.
- the uncured UV-curable adhesive 33 is recovered, and the recovered UV-curable adhesive 33 is reused.
- P5 particle adhering step
- a large number of hard particles 34 are dispersed in an ultraviolet-curing adhesive 33 applied to the outer peripheral surface of the coating material 14 and not yet cured so as to be substantially uniform. In addition, they are attached so as to have an intended density.
- a large number of hard particles 34 are mixed with the air blown out from the blowing port and sprayed on the ultraviolet curable adhesive 33.
- the steel pipe 13 is rotated around the axis with respect to the spray port and, if necessary, is also relatively moved in the axial direction, so that a large number of hard particles 34 are cured with an ultraviolet curable adhesive.
- the hard particles 34 were not attached to the ultraviolet curing adhesive 33.
- the hard particles 34 are collected, and the collected hard particles 34 are reused. As a result, it is possible to eliminate the Sfc-free state of the hard particles 34 and contribute to a reduction in the manufacturing cost of the feed roller 30.
- P4 adheresive application step
- P5 particle adhesion step
- an ultraviolet curing device is used to irradiate the ultraviolet curing adhesive 33 to which the large number of hard particles 34 are attached with ultraviolet rays using an ultraviolet irradiation device (not shown).
- the adhesive 33 is cured to form a synthetic resin friction coating layer 32 containing a large number of hard particles 34 on the outer peripheral surface of the coating material 14.
- the UV-curable adhesive 33 can be easily cured, so that the time for P 6 (adhesive curing step) can be shortened.
- the efficiency of manufacturing the paper feed roller 30 is increased, and it is necessary to heat the steel pipe 13 and the coating material 14 etc. in order to cure the ultraviolet curing adhesive 30. Therefore, thermal deformation (thermal expansion, etc.) of the steel pipe 13 and the coating material 14 can be prevented, and the paper feed roller 30 can be manufactured accurately.
- the uncured UV curable adhesive 33 is collected, and the hard particles 34 are further cured by the UV curable adhesive.
- the hard particles 3 4 that did not adhere to the UV-curable adhesive 3 3 were collected and the collected UV-curable adhesive 3 3 and the hard particles 3 4 were reused.
- the waste of the ultraviolet-curable adhesive 33 and the hard particles 34 can be eliminated.
- a steel pipe 13 is used as a material of the hollow pipe-shaped member 31 that forms the paper feed portion for feeding paper.
- the production cost of the paper feed roller 30 can be significantly reduced.
- a pipe manufactured by an inexpensive method for manufacturing artificial bamboo may be used as the pipe-shaped member 31.
- the manufacturing cost of the paper feed roller 30 can be significantly reduced.
- the pair of shaft members 12 before the pair of shaft members 12 are press-fitted into both ends of the steel pipe 13, P 3, further P 4, further P 5, and P 6. After that, the pair of shaft members 12 may be press-fitted and fitted to both ends of the steel pipe 13. Further, it is possible to omit the step of smoothly machining at least a part of the outer peripheral surface of the shaft member 1.2 fixed to the steel pipe 13.
- the paper feed roller of the present invention and the method of manufacturing the same are applicable to various types of OA equipment such as facsimile machines, copiers, printing machines, drafting plotters, paper feed rollers in office machines, and methods of manufacturing the same, in addition to printers. It is.
Landscapes
- Delivering By Means Of Belts And Rollers (AREA)
- Handling Of Cut Paper (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US10/518,986 US20090033022A1 (en) | 2002-07-10 | 2002-10-28 | Paper feed roller and fabrication method thereof |
JP2004521121A JPWO2004007324A1 (ja) | 2002-07-10 | 2002-10-28 | 紙送りローラとその製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002200693 | 2002-07-10 | ||
JP2002-200693 | 2002-07-10 |
Publications (1)
Publication Number | Publication Date |
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WO2004007324A1 true WO2004007324A1 (ja) | 2004-01-22 |
Family
ID=30112529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2002/011181 WO2004007324A1 (ja) | 2002-07-10 | 2002-10-28 | 紙送りローラとその製造方法 |
Country Status (4)
Country | Link |
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US (1) | US20090033022A1 (ja) |
JP (1) | JPWO2004007324A1 (ja) |
CN (2) | CN100336707C (ja) |
WO (1) | WO2004007324A1 (ja) |
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JP2014028705A (ja) * | 2013-10-31 | 2014-02-13 | Seiko Epson Corp | 搬送ローラー、搬送ユニット、及び印刷装置 |
US8866872B2 (en) | 2011-06-21 | 2014-10-21 | Mitel Networks Corporation | Conferencing and collaboration system and methods thereof |
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- 2002-10-28 JP JP2004521121A patent/JPWO2004007324A1/ja active Pending
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JP2007137561A (ja) * | 2005-11-16 | 2007-06-07 | Ricoh Elemex Corp | シート排出装置 |
US20100276087A1 (en) * | 2007-10-16 | 2010-11-04 | Cincinnati Machine, Llc | Rotary clamp mechanism for a fiber placement head |
US9102175B2 (en) | 2009-02-13 | 2015-08-11 | Seiko Epson Corporation | Transport roller, transport unit, and printing apparatus |
US8866872B2 (en) | 2011-06-21 | 2014-10-21 | Mitel Networks Corporation | Conferencing and collaboration system and methods thereof |
JP2013043311A (ja) * | 2011-08-23 | 2013-03-04 | Seiko Epson Corp | 印刷媒体の搬送装置および印刷装置 |
JP2014028705A (ja) * | 2013-10-31 | 2014-02-13 | Seiko Epson Corp | 搬送ローラー、搬送ユニット、及び印刷装置 |
Also Published As
Publication number | Publication date |
---|---|
CN1639036A (zh) | 2005-07-13 |
CN1915778B (zh) | 2011-03-23 |
CN100336707C (zh) | 2007-09-12 |
CN1915778A (zh) | 2007-02-21 |
US20090033022A1 (en) | 2009-02-05 |
JPWO2004007324A1 (ja) | 2005-11-10 |
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