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1. 发明专利

JPH09217178A PRODUCTION OF THIN FILM BY HYDROTHERMAL SYNTHESIS METHOD 失效
公开(公告)号：JPH09217178A
公开(公告)日：1997-08-19
申请号：JP7704496
申请日：1996-03-29
申请人： TOKAI RUBBER IND LTD
发明人： KANBE YUMI , ISAJI MASAHISA , TANAKA MASAYOSHI , INUBUSHI MASAAKI , OBA YOKO
IPC分类号： C01G1/00 , B01J19/08 , C01G25/00 , C23C18/12 , C30B7/10 , C30B29/22 , H01L41/187 , H01L41/39 , H01L41/24
摘要： PROBLEM TO BE SOLVED: To provide a process for industrially producing homogeneous films with good reproducibility inexpensively in a method for forming the thin films of a multi component oxide by a hydrothermal synthesis method on a substrate. SOLUTION: This hydrothermal synthesis method forms the thin film of the multi component oxide on the substrate by holding the substrate in an aq. soln. dissolved with plural metal salts under pressurization conditions and heating the substrate while applying vibration of >=1Hz perpendicularly on the substrate. The thin film is hydrothermally synthesized in one stage by using the multi component oxide forming raw material consisting of the remaining combination exclusive the compd. reacting with the metal elements on the surface of the substrate. The thin film is hydrothermally synthesized in two stages by using all of the raw material compds. after the crystal nuclei of the multi component oxide are precipitated in the first stage. As a result, the multi component oxide thin film exhibiting a piezoelectric characteristic is produced to a large area at a uniform thickness even if the substrate is not subjected to a polarization treatment. Since a high-temp. treatment, such as baking, is not required, the use of an org. material for the substrate is possible as well. This process is, therefore, applicable to the production of piezoelectric elements, such as piezoelectric monomorph and piezoelectric bimorph and various composite materials, such as laminated actuators and laminate capacitors.

2. 发明专利

JPH01142569A ELECTROCONDUCTIVE ROLL 失效
公开(公告)号：JPH01142569A
公开(公告)日：1989-06-05
申请号：JP30110787
申请日：1987-11-27
申请人： TOKAI RUBBER IND LTD
发明人： KATO HIROYASU , SUZUKI YASUHITO , OTA YUJI , INUBUSHI MASAAKI
IPC分类号： G03G15/02 , G03G15/00 , G03G15/16 , G03G21/06
摘要： PURPOSE:To obtain the title roll having a uniform resistance and less moisture dependence, without contaminating the surface of a photosensitive drum by constituting a resistance regulating layer of an epichlorohydrin-ethylene oxide copolymer rubber as a main component. CONSTITUTION:The resistance regulating layer 112 comprising the copolymer rubber of the epichlorohydrin-ethylene oxide as the main component is formed on the outer circumference of an electroconductive elastic layer 111 formed around the outer circumference of a shaft body 110. Thus, the electric resistance of the roll is wholly uniformized and the thickness of the resistance regulating layer 112 can be optionally controlled so as to be durable to a practical use. And as the moisture dependence of the roll is small, the electric resistance of the resistance regulating layer 112 does not deviate from a suitable range by the change of surroundings. Moreover, as a plasticizer solution, etc., is not necessary to be used to regulate the electric resistance, the surface of the photosensitive drum, etc., is not contaminated with the plasticizer, etc.

3. 发明专利

JPH0640104A HIGH-CENTER ELASTIC ROLL 失效
公开(公告)号：JPH0640104A
公开(公告)日：1994-02-15
申请号：JP21726292
申请日：1992-07-23
申请人： TOKAI RUBBER IND LTD
发明人： YAMAMOTO TAKASHI , INUBUSHI MASAAKI , OINUMA SUMIO , HAYASHI SABURO
IPC分类号： B41J13/02
摘要： PURPOSE:To eliminate problems, i.e., an ununiformity of roll surface profile caused by a prior art abrasive process, a reduction of productivity, and a local abnormality in surface properties caused by abrasive chips, occurring in a high- center elastic roll. CONSTITUTION:On a periphery of a cylindrical roll body 10 made of an elastic body, a coating layer 30 is integrally provided so as to have the largest thickness at the axially center part of the roll body and gradually decrease in thickness toward both ends thereof. In this manner, a roll can continuously increase in diameter from each end thereof in an axial direction toward the center part.

4. 发明专利

JPH0588510A SEMICONDUCTIVE COMPOSITION 失效
公开(公告)号：JPH0588510A
公开(公告)日：1993-04-09
申请号：JP27688191
申请日：1991-09-27
申请人： TOKAI RUBBER IND LTD
发明人： INUBUSHI MASAAKI , YAMAMOTO TAKASHI , HAYASHI SABURO , HASHIMOTO KAZUNOBU , KATO HIROYASU
IPC分类号： G03G15/02 , G03G15/08
摘要： PURPOSE:To obtain the semiconductive compsn. capable of forming the semiconductive roll which has the excellent environmental dependency resistance and uniformity of electric resistance and can deal with high-speed models by using a hydrophobic synthetic resin as a matrix component and dispersing and incorporating a conductive material consisting essentially of metallic double oxides therein. CONSTITUTION:The hydrophobic synthetic resin is used as the matrix component and the metallic double oxides are dispersed and incorporated as the conductive material into this matrix component. A change in the electric resistance by a fluctuation in environmental conditions is suppressed in this way. The environmental dependency resistance to the electric resistance is improved if the semiconductive roll having, for example, an arbor 20, a conductive elastic material layer 21, 1st and 2nd resistance adjustment layers 22, 23, and a protective layer 24 is produced by using such semiconductive compsn.; for example, the current necessary for electrification can be passed at a low voltage even at and under a low temp. and low humidity; in addition, the generation of an electrification defect is obviated even if there is a defective part on the drum. The application to the high-speed models is thus possible.

5. 发明专利

JPH11180697A OPERATION CONTROL METHOD FOR UNMANNED TRAVELING VEHICLE AND UNMANNED TRAVELING VEHICLE 失效
公开(公告)号：JPH11180697A
公开(公告)日：1999-07-06
申请号：JP35479497
申请日：1997-12-24
申请人： TOKAI RUBBER IND LTD
发明人： WATANABE KAZUAKI , KOBAYASHI SHINOBU , INUBUSHI MASAAKI
IPC分类号： B66F9/24 , B65G1/00 , G05D1/02
摘要： PROBLEM TO BE SOLVED: To precisely grasp the position of a loading part to be used in a loading station and an unloading station and to improve the workability by judging whether an unmanned traveling vehicle is of a standard type having one loading part or a multiple loading type, and discriminating the loading part to be used in the multiple loading type. SOLUTION: Various stations are provided along a guide band M1 laid on the floor surface within a prescribed area, and loading parts 41, 42 are provided, for example, in longitudinal two positions on the upper surface of the body 10 of an unmanned traveling vehicle traveling along the guide band M1. In a station where the unmanned traveling vehicle is stopped, communication is performed between communication devices 45b, 46b provided in two positions on both lateral side surfaces of the body 10 and a transmitter-receiver provided on the station side. The loading position data showing the positions of the loading parts 41, 42 of the unmanned traveling vehicle is inputted to the control part of the unmanned traveling vehicle by transmission from an external communication control device in a reference station, and the loading and unloading in each station is performed according to the loading position data.

6. 发明专利

JPH04283778A SEMICONDUCTIVE ROLL 失效
公开(公告)号：JPH04283778A
公开(公告)日：1992-10-08
申请号：JP7386891
申请日：1991-03-12
申请人： TOKAI RUBBER IND LTD
发明人： HASHIMOTO KAZUNOBU , KATO HIROYASU , ISHIHARA KO , HAYASHI SABURO , INUBUSHI MASAAKI , YAMAMOTO TAKASHI
IPC分类号： G03G15/09
摘要： PURPOSE:To obviate the generation of unequal electrostatic charge in a body to be electrostatically charged, such as photosensitive drum and the generation of dielectric breakdown in the semiconductive roll itself by specifying the relations among the surface resistance of this roll, the resistance in the thickness direction of the semiconductive layer and the thickness of the semiconductive layer. CONSTITUTION:An arbor part 5 is formed of an arbor 3 and a conductive rubber layer 4. The semiconductive layers respectively consisting of the semiconductive materials are formed in order of the layer A, layer B on the outer periphery of the arbor part 5. The relations among the surface resistance Rs of the semiconductive roll 1, the resistance (volumetric resistance) Rv in the thickness direction of the semiconductive layers (layer A, layer B) and the overall thickness delta of the semiconductive layers (layer A, layer B) are set like equation I. The current quantity flowing in the roll surface direction (circumferential direction) decreases relatively as compared with the current quantity in the thickness direction of the semiconductive layers (layer A, layer B) if the relations are set in such a manner Then, the concentration of the currents near the part where the semiconductive roll 1 and the body to be electrostatically charged, such as photosensitive body, come into contact is averted and the generation of a discharge phenomenon is prevented.

7. 发明专利

JPH03284785A CONDUCTIVE BLADE 失效
公开(公告)号：JPH03284785A
公开(公告)日：1991-12-16
申请号：JP8510390
申请日：1990-03-31
申请人： TOKAI RUBBER IND LTD
发明人： INUBUSHI MASAAKI , ITO KENICHI
IPC分类号： G03G21/10 , G03G21/00
摘要： PURPOSE:To remove residual toner on the surface of a photosensitive drum and electrostatically charge it at the same time and to miniaturize an entire device by forming a conductive part at the leading edge part of a blade member so that the blade member may be conductive. CONSTITUTION:The conductive blade 18 is constituted of the blade member 16 made of urethane resin and a metallic supporting member 17, having an L-shaped cross section, which is attached to one end side of the member 16. By applying a conductive agent to all the surface of the member 16 and a coupling part between the member 17 and the member 16, power is supplied from the member 17 side to the leading edge part 16a of the member 16. The blade 18 is attached in a state where the edge part 16a press-contacts with the peripheral surface of the photosensitive drum 2. Then, voltage is impressed on the member 17 of the blade 18 and the shaft center of the drum 2 through a conductor 21. The residual toner on the outer peripheral surface of the drum 2 is removed by the blade 18 and the outer peripheral surface of the drum 2 is electrostatically charged at the same time.

8. 发明专利

JPH03284762A ROLL 失效
公开(公告)号：JPH03284762A
公开(公告)日：1991-12-16
申请号：JP8510690
申请日：1990-03-31
申请人： TOKAI RUBBER IND LTD
发明人： INUBUSHI MASAAKI
IPC分类号： G03G15/02
摘要： PURPOSE:To make the environmental dependency of electric resistance small and to prevent the scratch of a photosensitive body from being enlarged and transferred on a copying paper as a black stripe by causing the photosensitive material contamination preventing layer of a roll to contain specified conductive material particles in a state where they are oriented in a specified direction. CONSTITUTION:This roll is formed by laminating a conductive elastic layer 18, a semiconductive layer 19 and the photosensitive material contamination preventing layer 20 in this order on the outer periphery of a shaft 17 such as a core bar. Then, the conductive material particles 16 having conductivity only in an axial direction are dispersed in the layer 20 in a state where the axial directions thereof are oriented in the thickness direction of the layer 20. Copper powder, aluminum powder or carbon black, etc., is used as the particle 16, and the layer 20 is formed by applying resin liquid containing matrix resin 15 such as N-methoxymethylation nylon and the particles 16 on the layer 19 and drying it while applying electric field between the shaft 17 and an adjacent electrode.

9. 发明专利

JPH05100549A SEMICONDUCTIVE FOAMED BODY ROLL 失效
公开(公告)号：JPH05100549A
公开(公告)日：1993-04-23
申请号：JP29235791
申请日：1991-10-11
申请人： TOKAI RUBBER IND LTD
发明人： INUBUSHI MASAAKI , YAMAMOTO TAKASHI , HAYASHI SABURO , HASHIMOTO KAZUNOBU , KATO HIROYASU
IPC分类号： C08J9/04 , C08L19/00 , C08L21/00 , G03G15/02 , G03G15/08 , G03G15/16
摘要： PURPOSE:To obtain a semiconductive foamed body roll stabilized in electric resistance and capable of obtaining a uniform nip width by using a specified high molecular compd. as a matrix and incorporating a specified amt. of a perchlorate as a conductive material. CONSTITUTION:This semiconductive foamed body roll is formed with a metallic shaft 5 and a semiconductive polymer layer 6 formed on the shaft. The polymer layer 6 is formed with the semiconductive foamed polymer composition contg. a high molecular compd., a perchlorate and a foaming agent. The high molecular compd. should have an ether linkage in the repeating unit. The amt. of the perchlorate to be mixed is controlled to 0.05-20 pts.wt. based on 100 pts.wt. of the high molecular compd. At 20 pts.wt., the electric resistance is not lowered, the polymer layer becomes brittle, and the durability is deteriorated.

10. 发明专利

JPH0580636A ELECTRIFYING ROLL 失效
公开(公告)号：JPH0580636A
公开(公告)日：1993-04-02
申请号：JP27340291
申请日：1991-09-24
申请人： TOKAI RUBBER IND LTD
发明人： INUBUSHI MASAAKI , YAMAMOTO TAKASHI , HAYASHI SABURO
IPC分类号： G03G15/02
摘要： PURPOSE:To prolong the life of the above-mentioned roll by providing a cylindrical sleeve made of a semiconductive synthetic resin and a conductive inside layer formed along the circumference on the inner peripheral surface of the cylindrical sleeve. CONSTITUTION:Semiconductive cylindrical sleeve forming materials are respectively compounded and this compd. is kneaded to obtain a mixture. This mixture is charged into an extruder and the semiconductive cylindrical sleeve 21 is produced by extrusion molding. Further, the sleeve is subjected to polishing if dimensional accuracy is required. Conductive inside layer 22 forming materials are then compounded and the inner peripheral surface of the cylindrical sleeve 21 is coated with the compd. thereof. The coating is dried and cured by heating, by which the electrifying roll 20 having a two-layered structure is produced. The molding materials prepd. by compounding high-polymer materials, such as thermoplastic resin and thermosetting resin and conductive powder, such as carbon black, are used in such a case. The conductive inside layer 22 is also obtd. by using a similar resin compsn.

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