WO2001014230A1 - Procede de production de cylindres d'alimentation en papier - Google Patents
Procede de production de cylindres d'alimentation en papier Download PDFInfo
- Publication number
- WO2001014230A1 WO2001014230A1 PCT/JP2000/005579 JP0005579W WO0114230A1 WO 2001014230 A1 WO2001014230 A1 WO 2001014230A1 JP 0005579 W JP0005579 W JP 0005579W WO 0114230 A1 WO0114230 A1 WO 0114230A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- paper feed
- weight
- feed roller
- roller
- powder
- Prior art date
Links
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/26—Extrusion dies
- B28B3/2645—Extrusion dies using means for inserting reinforcing members
-
- 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
- B65H2404/13—Details of longitudinal profile
- B65H2404/134—Axle
- B65H2404/1342—Built-up, i.e. arrangement for mounting axle element on roller body
-
- 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
- B65H2404/13—Details of longitudinal profile
- B65H2404/135—Body
- B65H2404/1351—Pipe element
Definitions
- the present invention relates to a method for manufacturing a paper feed roller using a roller formed of a hydraulic composition for use in a device such as a printer, a facsimile, a copier, and the like that requires accurate transfer of paper.
- metal rollers, rubber rollers, and the like have been used as paper feed rollers.
- the metal roller has been formed by welding, by welding, end plates having shaft portions attached to both ends of a hollow metal cylindrical body constituting the roller portion.
- the rotating shaft of the metal roller is formed by the shaft portions at both ends, but there has been a problem that it is very difficult to ensure a concentric state between the metal cylindrical body and the rotating shaft.
- a paper feed roller whose roller section is made of hard rubber is used in order to reduce the weight.
- the roller section has a large thermal expansion, and there is a disadvantage that an error is easily generated in the paper feed operation.
- the present applicant has formed a cylindrical molded body having an arbitrary length made of a hydraulic composition by a pressure molding method according to Japanese Patent Application No. 10-17710.
- An invention was made on a method of manufacturing an integrated paper feed roller by fixing it on the outer periphery of a rotating shaft, and an application was filed for the invention. Further, the present applicant has filed an application for a method of manufacturing a paper feed roller in which a roller portion is formed by connecting a plurality of cylindrical molded bodies, according to Japanese Patent Application No. 11-281337.
- the length of the cylindrical molded body itself can be shortened as compared with a desired roller portion, so that uneven pressurization during pressurization can be prevented, and The size can be reduced.
- the number of cylindrical compacts to be connected By setting the length of one cylindrical molded body in relation to the above and preparing a plurality of single-shaped cylindrical molded bodies in advance, a plurality of types of paper feed rollers corresponding to the paper size can be used. It is possible to easily manufacture a single-shaped cylindrical molded body by using a predetermined number, and it is possible to mass-produce high-precision paper feed rollers at low cost.
- the present invention solves the above-mentioned problems, and makes it possible to mass-produce a high-precision paper feed roller having no connecting portion in the roller portion by using a hydraulic composition by extrusion molding, at a lower cost, with higher accuracy, and with higher accuracy. It is an object of the present invention to provide a method of manufacturing a paper feed roller.
- a method for manufacturing a paper feed roller according to the present invention is a method for manufacturing a paper feed roller comprising a rotating shaft and a cylindrical roller unit integrated with the outer periphery of the rotating shaft, wherein the roller unit is formed of a hydraulic composition. Is formed by extruding, curing and curing. Preferred embodiments of the method for manufacturing a paper feed roller of the present invention include the following.
- a hollow cylindrical molded body is extruded from a hydraulic composition, and a rotating shaft is inserted into a hole of the obtained molded body, and then cured and cured to integrate the rotating shaft and a roller portion. .
- a hollow cylindrical molded body is extruded from the hydraulic composition, cured and cured, and then a rotary shaft is inserted into a hole of the obtained cured body to be integrated.
- the method (3) is most preferable.
- the hydraulic composition 40 to 80% by weight of hydraulic powder, and 10 to 50% by weight of non-hydraulic powder having an average particle diameter smaller by at least one digit than the average particle diameter of the hydraulic powder.
- a mixed powder consisting of 100 to 30% by weight of an extrudability improver; a workability improver compounded in a proportion of 2 to 9 parts by weight with respect to 100 parts by weight of the mixed powder; It preferably comprises a thickener compounded in a proportion of up to 5 parts by weight.
- the extrudability improver is an inorganic plate-like substance.
- the inorganic plate-like substance include talc and my power.
- the additive is at least one selected from vinyl acetate resin or a copolymer resin with vinyl acetate, an acrylic resin or a copolymer resin with acryl, a styrene resin or a copolymer resin with styrene, and an epoxy resin. It is preferably a powder or an emulsion made of the above-mentioned resin.
- FIG. 1 (a) is an explanatory view showing a step of extruding a cylindrical molded body according to an embodiment of the method for manufacturing a paper feed roller of the present invention
- FIG. 1 (b) is a cylindrical molding obtained by obtaining a rotating shaft
- FIG. 4 is an explanatory view showing a step of inserting a body before or after curing and curing
- (c) is a front view showing the obtained paper feed roller.
- FIG. 2 (a) is a front view showing an extrusion apparatus according to another embodiment of the paper feed roller manufacturing method of the present invention.
- the same rotation shaft as that of the conventional paper feed roller is used.
- the shape of the shaft include a shaft provided with a bearing mounting portion or a driving force transmission mechanism mounting portion by cutting and finishing processing on a shaft supporting a hollow cylindrical roller portion as a paper feed portion.
- the material of the rotating shaft include ordinary, for example, SUM free cutting steel. Further, electroless Ni-P plating may be applied to the surface of the rotating shaft. (1-2) Hollow cylindrical roller
- the cylindrical roller portion of the present invention is produced by extruding a hydraulic composition to obtain a cylindrical molded body, followed by curing and curing. Any of the above methods (1) to (3) can be used to integrate the cylindrical roller portion and the rotating shaft.
- the accuracy (runout accuracy) of the obtained cylindrical roller portion can be set to a high level as it is, but the roundness of the cylindrical roller portion can be improved by performing centerless grinding or the like. It is also possible to improve the concentricity between the roller and the rotating shaft. By improving the roundness and concentricity, a highly accurate paper feed roller can be obtained.
- the thickness of the cylindrical roller portion is determined by the outer diameter of the rotating shaft used and the outer diameter of the paper feed roller.
- the tolerance of the diameter of the cylindrical roller portion is set to a desired value in design, but is usually set to a processing accuracy of ⁇ 0.03 mm of the desired outer diameter.
- the surface of the cylindrical roller portion itself may be roughly finished using sandblasting or the like.
- the hydraulic composition used in the present invention comprises a mixed powder comprising a hydraulic powder, a non-hydraulic powder, and an extruder, a processability improver and a thickener. It refers to a composition in which other additives are mixed as necessary with water to be contained as necessary. The details are described below.
- the hydraulic powder used in the present invention refers to a powder that hardens by water, such as a calcium silicate compound powder, a calcium aluminate compound powder, a calcium fluoroaluminate compound powder, a calcium sulfoaluminate compound, Examples thereof include calcium aluminoferrite compound powder, calcium phosphate compound powder, hemihydrate or anhydrous gypsum powder, quicklime powder having self-hardening property, and a powder mixture of two or more of these powders.
- a typical example is powder such as Portland cement. be able to.
- the Blaine specific surface area be 250 cm 2 Zg or more in order to ensure hydraulic performance with respect to the strength of the molded body.
- the compounding amount of the hydraulic powder is preferably 40 to 80% by weight in terms of the composition ratio of the mixed powder composed of the hydraulic powder, the non-hydraulic powder and the extrudability improver. More preferably, the content is 45 to 55% by weight.
- Non-hydraulic powder refers to a powder that does not harden when it comes into contact with water when used alone, but its components are eluted in an alkaline or acidic state or in a high-pressure steam atmosphere and react with other eluted components. And powders that form products.
- Typical examples of non-hydraulic powders include calcium hydroxide powder, gypsum gypsum powder, calcium carbonate powder, slag powder, fly ash powder, silica stone powder, clay powder, silica powder, and the like. it can.
- the average particle size of these non-hydraulic powders is at least one digit smaller than the average particle size of the 7K hard powder, and preferably at least two digits smaller.
- the lower limit of the fineness need not be particularly set unless the effect of the present invention is impaired.
- the compounding amount of the non-hydraulic powder is preferably from 10 to 50% by weight in terms of the composition ratio of the mixed powder composed of the hydraulic powder, the non-hydraulic powder and the extrudability improver. More preferably, it is 30% by weight.
- the filling rate is low, and if it exceeds 50% by weight, the strength and the filling rate are low. It is not preferable because it has an adverse effect on physical properties such as chipping during machining and dimensional stability. In consideration of machinability and the like, it is preferable to adjust the blending amount of the non-hydraulic powder so that the filling rate does not become too low. Adding non-hydraulic powder As a result, it is possible to increase the filling rate during molding of the molded article and to reduce the porosity of the obtained molded article. Thereby, the dimensional stability of the molded body can be improved.
- the extrudability improver used in the present invention is a material that improves the slipperiness between the mold and the molded body during extrusion molding, further reduces the anisotropy of the moldability, and stabilizes the quality.
- an inorganic plate-like substance such as talc (hydrous magnesium gerate), myriki and the like can be used. This inorganic plate-like substance has excellent orientation, imparts lubricity to the surface of the molded body, and can stabilize the quality by reducing the resistance to the dice.
- the blending amount of the extrudability improver is preferably 10 to 30% by weight in terms of the composition ratio of the mixed powder composed of the hydraulic powder, the non-hydraulic powder and the extrudability improver, and is preferably 15 to 30% by weight. More preferably, the content is 25% by weight.
- a workability improver is a property that contributes to the improvement of moldability, mold release, cutting / grinding, and grinding accuracy of a molded product obtained from a hydraulic composition, and particularly to improvement of cutting / grinding and grinding accuracy.
- the hydraulic composition obtained by adding the processability improver improves the formability since the processability improver plays a role as a molding aid at the time of pressure molding.
- the molded product obtained is released without any damage at the time of demolding, which leads to improvement in workability.
- a compact obtained from a hydraulic composition which is a brittle material, exhibits a cutting state of a “crack-type” mechanism during cutting, but in such a case, the material is cracked or chipped (microscopic). Problems).
- the obtained molded article is provided with toughness for promoting the machinability as a solid material, and the problems of cracking, chipping, and the like of the above-mentioned material are eliminated. It is possible to prevent it.
- the conventional cutting D It is possible to improve the additivity of a molded product obtained from a hydraulic composition, for which machining such as grinding was difficult, to the same level as a metal material, and cutting using a lathe, cylindrical grinding, etc. Grinding by a machine or the like can be performed in the same manner as a metal material. By performing these processes, it becomes possible to perform a precise process on the order of / m for a desired dimension.
- the mixing amount of the processability improver is 2 to 9 parts by weight on a dry basis with respect to 100 parts by weight of the mixed powder composed of the hydraulic powder, the non-hydraulic powder and the extrudability improver.
- the amount is up to 4 parts by weight. If the amount is less than 2 parts by weight, the machinability deteriorates, which is not preferable. If the amount exceeds 9 parts by weight, the moldability is good, but the grinding accuracy is reduced and the dimensional stability after grinding is reduced.
- the particle size is generally 1 / zm or less as a single dispersed particle.
- the processability improver was selected from vinyl acetate resin or a copolymer resin with vinyl acetate, an acrylic resin or a copolymer resin with acryl, a styrene resin or a copolymer resin with styrene, and an epoxy resin.
- a powder or emulsion composed of at least one resin can be used.
- the vinyl acetate copolymer resin include vinyl acetate acrylic copolymer resin, vinyl acetate veoba copolymer resin, vinyl acetate terpolymer resin, vinyl acetate malate copolymer resin, vinyl acetate ethylene copolymer resin, and vinyl acetate vinyl chloride resin. Examples thereof include a polymer resin.
- Examples of the acryl copolymer resin include an acrylic styrene copolymer resin and an acrylic silicone copolymer resin.
- Examples of the styrene copolymer resin include a styrene-butadiene copolymer resin.
- a thickener is a material that develops tackiness when dissolved in water, increases the bonding force between particles of hydraulic and non-hydraulic powder, maintains the shape of the molded body after molding, and retains water. It is an effective component for ensuring the solid content and forming a solid cured product.
- thickener used in the present invention examples include methylcellulose and hydroxyethylse. Lurose, carboxymethylcellulose and the like.
- the compounding amount of the thickener is preferably 0.5 to 5 parts by weight based on 100 parts by weight of the mixed powder composed of the hydraulic powder, the non-hydraulic powder and the extrudability improver. More preferably, the amount is from 4 to 4 parts by weight.
- the mixture comprising the hydraulic composition of the present invention comprises, in addition to the above-mentioned essential components (2-1) to (2-5), an aggregate such as silica sand as a filler for hydraulic powder, non-hydraulic powder and It can be added in an amount of 10 to 50 parts by weight, preferably 20 to 30 parts by weight, based on 100 parts by weight of the mixed powder comprising the extrusion improver.
- an aggregate such as silica sand as a filler for hydraulic powder, non-hydraulic powder and It can be added in an amount of 10 to 50 parts by weight, preferably 20 to 30 parts by weight, based on 100 parts by weight of the mixed powder comprising the extrusion improver.
- a known ceramic molding aid is added in an amount of 1 to 10 parts by weight, preferably 3 to 6 parts by weight, based on 100 parts by weight of the mixed powder. I can do it.
- a water repellent such as silicone oil which reduces water absorption is 0.5 to 5 parts by weight based on 100 parts by weight of the mixed powder.
- it can be added in a proportion of 1 to 2 parts by weight.
- the hydraulic composition, non-hydraulic powder, and extrudability improver are added to the hydraulic composition and other additives that are added as necessary. Obtained by mixing water containing not more than 30 parts by weight, preferably not more than 25 parts by weight, with respect to 100 parts by weight of a mixture consisting of In order to reduce drying shrinkage, it is better to reduce water as much as possible.
- the method of mixing is not particularly limited, but is preferably a mixing method or a mixer capable of applying a strong shearing force to the mixture.
- the non-hydraulic powder has an average particle size that is at least one order of magnitude smaller than the hydraulic powder particle size, so in order to obtain a uniform mixture, it is necessary to mix unless a mixer with shearing force is used. Time will be very long.
- granulation may be performed to a size suitable for the shape to be molded after mixing.
- Rolling granulation, compression granulation A well-known method such as a granulation method and a stirring granulation method may be used.
- a cylindrical molded body having a predetermined length and an outer diameter is extruded from a predetermined hydraulic composition.
- the hydraulic composition is formed by extruding a hollow cylindrical roller molded body, and after passing a rotating shaft through a hole of the obtained molded body, curing and curing, the rotating shaft and the roller portion are formed. And (2) when the hydraulic composition is extruded into a hollow cylindrical shape, cured and hardened, and then the rotary shaft is inserted into the hole of the obtained cured product to integrate the hydraulic composition.
- an ordinary extruder shown in FIG. 1A is used, and the extruded product is cut into a predetermined length to obtain a hollow cylindrical roller molded product.
- FIG. 1A an ordinary extruder shown in FIG. 1A is used, and the extruded product is cut into a predetermined length to obtain a hollow cylindrical roller molded product.
- reference numeral 1 denotes an extruder
- a crosshead 5 is attached to the end of the extrusion port of the extruder, and extends in the longitudinal direction of the crosshead.
- the extruded material is integrally extruded around the rotary shaft when the rotary shaft 7 is fed downward through the provided rotary shaft cylindrical guide 6 and exits from the tip of the crosshead. Thereafter, the hydraulic composition at both ends of the rotating shaft is cut off to expose the rotating shaft portion.
- the rotating shaft of the paper feed roller of the present invention is inserted and fixed in a central portion of the cylindrical roller portion, centered on a hole provided concentrically with the outer peripheral surface of the cylindrical roller portion.
- the total length of the rotating shaft, The length of the insertion portion and the length exposed to the outside are determined as appropriate.
- the outer diameter of the rotating shaft is smaller by about 10 to 50; am than the inner diameter of the hole of the cylindrical molded body. It is preferably set to 10 to 30 / m.
- a cylindrical molded body is obtained by extruding a cylindrical molded body from a hydraulic composition.
- the rotating shaft 7 is passed through the center hole R 'of the cylindrical molded body R.
- the cylindrical molded body is molded so that the cylindrical molded body has such a strength that the cylindrical molded body is not damaged in the step of inserting the rotating shaft into the center of the cylindrical molded body.
- a step of curing and curing the cylindrical molded body is performed to form the cylindrical molded body, thereby integrally forming the cylindrical roller portion on the outer peripheral surface of the rotating shaft.
- a curing and curing process is performed to form a hollow cylindrical roller portion, and a rotary shaft is inserted into the hole of the cylindrical roller portion and fixed integrally. I do.
- the hydraulic composition is extruded into a hollow cylindrical roller concentrically around the rotation axis, cured, and cured to integrate the rotation axis and the roller portion.
- Curing and curing of extruded cylindrical molded bodies can be performed by one or a combination of room temperature curing, steam curing, autoclave curing, etc., but mass production, chemical stability of products, dimensional stability Considering the above, autoclave curing is preferred.
- the curing reaction of the cylindrical molded body is completely completed by curing the autoclave for about 5 to 10 hours. It ends, and the subsequent dimensional change is extremely small.
- a clearance of at least 10 / zm or more is required to attach the cylindrical molded body to the rotating shaft after curing and curing, but after the autoclave curing, the cylindrical molded body shrinks. Since there is no such material, it is possible to use an adhesive to attach to the rotating shaft, or to install the rotating shaft as a clearance that can be attached by cooling or heating the cylindrical molded body. Alternatively, the rotating shaft may be press-fitted into a hole of the cylindrical molded body.
- the adhesive an epoxy-based adhesive, a urethane-based adhesive, an emulsion-based adhesive, a synthetic rubber-based adhesive, an acrylate-based adhesive, or the like is used.
- the size of the cylindrical molded body shrinks within a range of 0.08 to 0.15% (depending on the blending conditions) when autoclaving is performed. In consideration of this, the inner diameter portion of the cylindrical molded body is formed.
- curing is performed in an autoclave.
- the autoclave curing is performed at a saturated vapor pressure of 7.15 kg / cm 2 or more, and preferably at a saturated vapor pressure of 9.10 kg Z cm 2 or more.
- the curing time varies depending on the curing temperature, but should be 5 to 15 hours under the condition of 175.
- FIG. 2 is a sectional view of the extrusion molding apparatus. Best Embodiment
- the hydraulic composition was extruded and cut to a predetermined length to form a cylindrical roller molded body having a hole in the center, and the rotating shaft was passed through the hole. Thereafter, a paper feed roller was manufactured by curing and curing by autoclave curing, and the roller portion was integrated with the outer periphery of the rotating shaft and fixed. At this time, the paper feed roller contracted by about 0.2% and was fixed to the outer periphery of the rotating shaft.
- the materials and dimensions used were as follows.
- the hydraulic composition had the following composition and was mixed with a kneader.
- Non-hydraulic powder silica film 10% by weight
- roller part After fixing the roller part to the outer circumference of the rotating shaft, it was finished by means of a grinding process to create a highly accurate paper feed roller.
- the hydraulic composition is extruded and cut to a predetermined length to form a cylindrical roller molded body having a hole in the center, and is cured by autocure.
- a cylindrical roller portion was formed by reaction hardening, a rotary shaft was inserted into the hole of the roller portion, and the roller portion was integrated with the outer periphery of the rotary shaft using an adhesive to manufacture a paper feed roller.
- the clearance between the hole of the cylindrical roller portion after curing and the outer peripheral portion of the rotating shaft was about 20 m.
- the materials and dimensions used were substantially the same as in Example 1.
- the hydraulic composition had the following composition and was mixed with a kneader.
- Non-hydraulic powder silica fume 10% by weight
- Adhesive type epoxy resin adhesive
- a high-precision paper feed roller was created by finishing by means of a grinding process.
- the hydraulic composition is extruded on the outer periphery of the rotating shaft, and both ends of the extruded molded body are cut to form a cylindrical roller molded body having a hole in the center of a predetermined length. It was formed integrally on the outer periphery of the rotating shaft and reacted and cured by autocure curing to form a mouthpiece.
- the materials and dimensions used were almost the same as in Example 1.
- the hydraulic composition had the following composition and was mixed by a kneader. • Mixed powder: 100 parts by weight
- Non-hydraulic powder 10% by weight of silica film
- a high-precision paper feed roller was created by finishing by means of a grinding process.
- the hydraulic composition is pressure-formed to form nine cylindrical roller molded units having a hole in the center, and the rotation axis is set to each of the holes in the molded unit.
- the molded units were connected to each other, and then cured and cured by autoclave curing to manufacture a paper feed roller in which the roller portion was integrated with and fixed to the outer periphery of the rotating shaft.
- the paper feed roller contracted by about 0.2% and was fixed to the outer periphery of the rotating shaft.
- the materials and dimensions used were the same as in Example 1 except that the length of the molded unit was 54 mm.
- the hydraulic composition had the following composition and was mixed with a Henschel mixer.
- Non-hydraulic powder 30% by weight silica silica
- Roller molding unit outer diameter 22 mm, length 54 mm, roller length 4886 mm
- a high-precision paper feed roller was created by finishing by means of a grinding process.
- the hydraulic composition is pressure-formed to form nine cylindrical roller molded units having a hole in the center, and the reaction unit is cured by autocure curing to form the roller unit.
- the rotating shaft was inserted into each hole of the roller unit, and the roller was integrated with the outer periphery of the rotating shaft using an adhesive to manufacture a paper feed roller.
- the clearance between the hole in the roller portion after curing and the outer peripheral portion of the rotating shaft was about 20 / zm.
- the materials and dimensions used were the same as in Example 2 except that the length of the molded unit was 54 mm.
- the hydraulic composition had the following composition and was mixed with a Henschel mixer.
- Non-hydraulic powder 30% by weight silica silica
- Roller molding unit outer diameter 22 mm, length 54 mm, roller length 4886 mm
- Adhesive type epoxy resin adhesive
- Comparative Example 20.62 As can be seen from the above results, the paper feed rollers of Examples 1 to 3 according to the present invention, in which the roller portion extruded around the outer peripheral surface of the rotating shaft was integrally integrated and fixed, Is small and the rigidity is high. On the other hand, it can be seen that the paper feed rollers of Comparative Examples 1 and 2, in which the roller portions were divided and formed by connecting around the outer peripheral surface of the rotating shaft and integrally fixing the roller portions, had a large amount of bending and low rigidity.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00953529A EP1123887B1 (en) | 1999-08-20 | 2000-08-21 | Production method for paper feed roller |
DE60042584T DE60042584D1 (de) | 1999-08-20 | 2000-08-21 | Herstellungsverfahren für förderrollen aus papier |
US09/807,813 US6758995B1 (en) | 1999-08-20 | 2000-08-21 | Production method for paper feed roller |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11233636A JP3054417B1 (ja) | 1999-08-20 | 1999-08-20 | 紙送りロ―ラの製造方法 |
JP11/233636 | 1999-08-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001014230A1 true WO2001014230A1 (fr) | 2001-03-01 |
Family
ID=16958155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/005579 WO2001014230A1 (fr) | 1999-08-20 | 2000-08-21 | Procede de production de cylindres d'alimentation en papier |
Country Status (7)
Country | Link |
---|---|
US (1) | US6758995B1 (ja) |
EP (1) | EP1123887B1 (ja) |
JP (1) | JP3054417B1 (ja) |
KR (1) | KR100412962B1 (ja) |
DE (1) | DE60042584D1 (ja) |
ID (1) | ID29485A (ja) |
WO (1) | WO2001014230A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4349775B2 (ja) * | 2001-12-12 | 2009-10-21 | 住友大阪セメント株式会社 | 熱可塑性水硬性組成物の成形体及び該成形体の製造方法 |
US20050015986A1 (en) * | 2002-12-17 | 2005-01-27 | Stebnicki James C. | Method of making a return roller |
JP5893195B2 (ja) * | 2015-05-22 | 2016-03-23 | サンコール株式会社 | 段付き排紙ローラの製造方法 |
EP3974079A1 (de) * | 2020-09-25 | 2022-03-30 | Zehnder & Sommer AG | Rohrwalze, walzenvorschub und verfahren zur herstellung einer rohrwalze |
DE202022001624U1 (de) | 2022-02-28 | 2022-08-08 | Zehnder & Sommer Ag | Walzenvorschub mit Rohrwalze und vereinfachtem Ein-/Ausbau |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1052951A (ja) * | 1996-08-12 | 1998-02-24 | Chichibu Concrete Kogyo Kk | プラテンの製造方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3880664A (en) * | 1971-08-05 | 1975-04-29 | Herbert C Schulze | Method for extrusion |
US3720808A (en) * | 1971-11-08 | 1973-03-13 | Gen Binding Corp | Ceramic core laminating roll |
US3971115A (en) * | 1972-07-01 | 1976-07-27 | Agfa-Gevaert, A.G. | Method of making roller |
US3929957A (en) * | 1975-03-05 | 1975-12-30 | Dayco Corp | Method for producing a continuous flexible reinforced tubular conduit |
DE2731612C2 (de) * | 1976-07-22 | 1982-09-16 | Société Européenne des Produits Réfractaires, 92200 Neuilly-sur-Seine | Zementmischungen |
US4349398A (en) * | 1980-12-08 | 1982-09-14 | Edward C. Kearns | Protective coating system |
ATE46684T1 (de) * | 1981-06-16 | 1989-10-15 | Eternit Fab Dansk As | Geformter gegenstand und verbundmaterial zu seiner herstellung. |
US4398960A (en) * | 1982-01-04 | 1983-08-16 | Conger/Murray Systems, Inc. | Concrete mixes |
US4863541A (en) * | 1984-08-28 | 1989-09-05 | Cable Technology Laboratories, Inc. | Apparatus and method for manufacturing heat-shrinkable sleeve using solid core |
US5026451A (en) * | 1988-05-12 | 1991-06-25 | Shaw Industries Ltd. | Method and apparatus for applying thermo-plastic protective coating to pipes |
NZ226585A (en) * | 1988-10-14 | 1992-04-28 | Fibre Cement Technology Ltd | Ferrocement panels shifted off conveyor with mortar in plastic state |
US5227105A (en) * | 1989-03-10 | 1993-07-13 | The Carborundum Company | Process for manufacturing ceramic tubes |
US5151147A (en) * | 1990-08-17 | 1992-09-29 | Reynolds Metals Company | Coated article production system |
US5439416A (en) * | 1990-12-24 | 1995-08-08 | Xerox Corporation | Composite shaft with integrally molded functional feature |
US5545297A (en) * | 1992-08-11 | 1996-08-13 | E. Khashoggi Industries | Methods for continuously placing filaments within hydraulically settable compositions being extruded into articles of manufacture |
JPH08164510A (ja) * | 1994-12-15 | 1996-06-25 | Nippon Steel Corp | ロッド状補強材挿入用押出成形装置 |
-
1999
- 1999-08-20 JP JP11233636A patent/JP3054417B1/ja not_active Expired - Fee Related
-
2000
- 2000-08-21 US US09/807,813 patent/US6758995B1/en not_active Expired - Fee Related
- 2000-08-21 DE DE60042584T patent/DE60042584D1/de not_active Expired - Lifetime
- 2000-08-21 ID IDW00200100989A patent/ID29485A/id unknown
- 2000-08-21 KR KR10-2001-7004839A patent/KR100412962B1/ko not_active IP Right Cessation
- 2000-08-21 WO PCT/JP2000/005579 patent/WO2001014230A1/ja active Application Filing
- 2000-08-21 EP EP00953529A patent/EP1123887B1/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1052951A (ja) * | 1996-08-12 | 1998-02-24 | Chichibu Concrete Kogyo Kk | プラテンの製造方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1123887A4 * |
Also Published As
Publication number | Publication date |
---|---|
ID29485A (id) | 2001-08-30 |
EP1123887A4 (en) | 2006-11-02 |
KR20010080218A (ko) | 2001-08-22 |
EP1123887A1 (en) | 2001-08-16 |
KR100412962B1 (ko) | 2003-12-31 |
JP3054417B1 (ja) | 2000-06-19 |
US6758995B1 (en) | 2004-07-06 |
EP1123887B1 (en) | 2009-07-22 |
JP2001058737A (ja) | 2001-03-06 |
DE60042584D1 (de) | 2009-09-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO1999067163A1 (fr) | Rouleau d'alimentation de papier | |
JP3054417B1 (ja) | 紙送りロ―ラの製造方法 | |
JP2003104766A (ja) | 繊維補強水硬性組成物及び当該組成物を用いた繊維補強水硬性成形体 | |
JP2999765B1 (ja) | 紙送りロ―ラ及びその製造方法 | |
JP3012234B1 (ja) | 紙送りロ―ラ及びその製造方法 | |
JP3227127B2 (ja) | 水硬性組成物及びそれを用いた成形体 | |
JP2004011703A (ja) | 断熱ローラ及びその製造方法 | |
JP2001026485A (ja) | 水硬性組成物成形体 | |
JP5190187B2 (ja) | コンクリート管の製造方法およびコンクリート管 | |
JPH10330146A (ja) | 水硬性無機質成形体の製造方法 | |
JP2018192703A (ja) | 押出成形品の製造方法 | |
JP3238900B2 (ja) | 紙送りローラ | |
JP2004142208A (ja) | 押出中空パイプの製造方法及び中空パイプ | |
JP2007308333A (ja) | ローラの製造方法及び当該製造方法より得られたローラ | |
JP2008194881A (ja) | コンクリート製品の製造方法およびコンクリート製品 | |
JP2002080139A (ja) | 紙送りローラおよびその製造方法 | |
JP3750009B2 (ja) | 水硬性組成物成形体 | |
JPS58199758A (ja) | 耐熱性セメント質硬化体 | |
JP2004010387A (ja) | 水硬性組成物からなる機械部品及びその製造方法 | |
JP2704925B2 (ja) | セメント質組成物及びその製品 | |
JP2008013382A (ja) | 遠心成形超高強度コンクリート組成物及び製造方法 | |
JP2814042B2 (ja) | セメント質組成物及びその製品 | |
JPH02102158A (ja) | セメント成形体の製造方法 | |
JP2004035337A (ja) | 成形品の製造方法、および成形品 | |
JPH07109162A (ja) | 無石綿セメント系押出成形板の製造法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CA ID KR US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020017004839 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2000953529 Country of ref document: EP |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 09807813 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 2000953529 Country of ref document: EP |