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11. 发明专利

JPH0871503A RESIN LINING OF FLANGED TUBULAR BODY 失效
公开(公告)号：JPH0871503A
公开(公告)日：1996-03-19
申请号：JP24076394
申请日：1994-09-09
申请人： DAI ICHI HIGH FREQUENCY CO LTD
发明人： KUROKI RYOICHI
IPC分类号： B05D7/22 , B05D7/24
摘要： PURPOSE: To obtain a lining coat of constantly appropriate thickness by making a clearance formed between a lid bracket and a flange face convex so as to spread out toward a center, in a method for lining a flanged tubular body by fusing and coating a resin on the flange face. CONSTITUTION: This method for lining in resin is to attach a lid bracket 2 to a heated flanged tubular body 1, then supply a powder resin 5 to the interior of a rotating tubular body 1, and fuse and coat the resin 5 to the inner surface of the tube and also the surface of a flange. The lid bracket 2 is formed of a gradient wall 23 which becomes remote from the surface of the flange from the part for fastening to the flange(f) to the crest part. In addition, a quantity of powder resin required for forming the film with a prescribed thickness coated on the flange(f) is stored in a space formed by the inner side of the gradient wall 23, and the flange(f) and an almost horizontal face including the lower end of a circular hole located in the center of the lid bracket. Further, a fluororesin-coated layer 25 showing non-viscosity to a fused resin is formed on the inner surface of the gradient wall 23.

12. 发明专利

JPH06340034A RESIN LAMINATED STRUCTURE AND PRODUCTION THEREOF 失效
公开(公告)号：JPH06340034A
公开(公告)日：1994-12-13
申请号：JP15445393
申请日：1993-06-01
申请人： DAI ICHI HIGH FREQUENCY CO LTD
发明人： TANIGUCHI YASUYUKI , KUROKI RYOICHI , KURIBAYASHI MASAKI , TSUCHIDA ISAMU
IPC分类号： B29C41/02 , B29C41/22 , B29K23/00 , B29K27/12 , B29L9/00 , B32B27/08
摘要： PURPOSE:To obtain a laminated structure wherein different kinds of thermoplastic resins hard to bond mutually, for example, a general-purpose thermoplastic resin and fluoroplastic are strongly bonded. CONSTITUTION:An intermediate compsn. layer formed from a compsn. prepared by mixing a first thermoplastic resin and a second thermoplastic resin in a volume ratio of (1:2)-(2:1) is interposed between the first layer 2 composed of the first thermoplastic resin and the second layer 3 composed of the second thermoplastic resin and the first thermoplastic resin 2a of the intermediate compsn. layer is fused to the first layer 2 and the second thermoplastic resin 3a thereof is fused to the second layer to strongly entangle both resins to form a laminated structure high in peel strength.

13. 发明专利

JPH05214701A COATED RAIL 失效
公开(公告)号：JPH05214701A
公开(公告)日：1993-08-24
申请号：JP4779592
申请日：1992-02-05
申请人： DAI ICHI HIGH FREQUENCY CO LTD
发明人： TANIGUCHI YASUYUKI , KOBAYASHI RYOJI , KUROKI RYOICHI
IPC分类号： E01B5/02 , C23F13/00 , E01B19/00
摘要： PURPOSE:To perform coating with durability for a railway. CONSTITUTION:Resin coating 2 is applied for a rail body 1, to the whole outside from nearly the upper end of its belly part 1b to the under part. A thermal spraying coating 5 in which alminum and/or zinc is the principal component is applied to terminal edge part 2a of resin coating, in such a way as making contact with the resin coating terminal edge 2a. Invasion of oxygen, water, etc., to the boundary face between the resin coating and the rail body, is restrained by this thermal spraying coating 5, corrosion of the rail body is prevented electrochemically, corrosion of the rail body surface below the resin coating terminal edge 2a is prevented, and the durability of the coating is improved.

14. 发明专利

JP2004276360A Method for repairing resin coating and dehydration treatment apparatus 有权
公开(公告)号：JP2004276360A
公开(公告)日：2004-10-07
申请号：JP2003069533
申请日：2003-03-14
申请人： Dai Ichi High Frequency Co Ltd , 第一高周波工業株式会社
发明人： SAEKI SHINOBU , KOBAYASHI RYOJI , KURIBAYASHI MASAKI , IWAMOTO MORIO , KUROKI RYOICHI
IPC分类号： F16L58/02 , B29C73/10 , B32B43/00 , F16L55/18 , B32B35/00
摘要： PROBLEM TO BE SOLVED: To realize a method for precisely repairing a resin coating film, and a tool therefor. SOLUTION: Dehydration treatment for heating the missing part 2b of the coating 2 of a resin coated matrix 1 and the periphery 2c thereof through the coating 2 without applying a coating material to the coating missed part 2b is performed [Fig 1(c)]. Thereafter, coating layer forming operation for heating the coating material 3 applied to the coating missed part 2b through the matrix 1 to form resin coating is performed [Fig 1(e)]. In the dehydration treatment, a heating region is surrounded not only to send warm or hot air in the surrounded region but also to supply air to the surrounded region under vacuum. In the acting part 20 of a dehydration treatment apparatus, a heating source 40 is housed in an enclosure 21 to irradiate the coating missed part 2b and the peripheral coating 2c with infrared rays or the like. An air supply means 30 is also provided. COPYRIGHT: (C)2005,JPO&NCIPI

15. 发明专利

JP2004154776A Method for lining flanged short pipe with resin 审中-公开
公开(公告)号：JP2004154776A
公开(公告)日：2004-06-03
申请号：JP2003427136
申请日：2003-12-24
申请人： Dai Ichi High Frequency Co Ltd , 第一高周波工業株式会社
发明人： KUROKI RYOICHI , UNOKI SEIKI , SUGIMORI MITSURU
IPC分类号： B05D7/22 , B05D7/24
摘要： PROBLEM TO BE SOLVED: To provide a method for lining a flanged short pipe on the inside surface and the flange surface with a powdered resin, being capable of forming a film having the same thickness and flatness on the flange surface as those on the inside of the pipe.
SOLUTION: In the method for lining, the short pipe 1 having the flanges 1a, 1b at least on its one end is heated and connected to a powdered resin tank 4 via an adaptor 2 with the other ends being adequately closed. The tank with the pipe is then rotated or rocked and the powdered resin is thereby moved into the pipe and fused on the inside surface of the pipe and the flange surface to form the film. The adaptor has forced cooling means 6, which is operable to prevent the rise of the adaptor temperature as well as to regulate the temperature of the adjacent flange. The adaptor is configured to have annular eaves 21a inside to form between the annular eaves and the flange surface a gap which becomes wider toward its center to prevent the powdered resin from directly reaching the flange surface.
COPYRIGHT: (C)2004,JPO

16. 发明专利

JPH09174754A COVERING METHOD FOR METAL MEMBER 失效
公开(公告)号：JPH09174754A
公开(公告)日：1997-07-08
申请号：JP35119995
申请日：1995-12-27
申请人： DAI ICHI HIGH FREQUENCY CO LTD
发明人： TANIGUCHI YASUYUKI , KUROKI RYOICHI , KOBAYASHI RYOJI , KURIBAYASHI MASAKI
IPC分类号： F16L58/10 , B32B15/08 , B32B15/085
摘要： PROBLEM TO BE SOLVED: To reduce the load of cooling thereafter by adopting a constitution to reduce the residual heat of a metal member at the stage of forming the melted film of a thermoplastic resin material on the surface of the member in case of covering the member with the thermoplastic resin material. SOLUTION: The method for covering the surface of a metal member with the coating material melted film of a thermoplastic resin by forming the melted film and solidifying the melted film by cooling comprises the steps of forming a melted film in the state that a member in process adhered in the state that a covering material is fusion bonded to the surface of the metal member is prepared with small residual heat, and induction heating the member in process to abruptly raise the temperature of the surface layer of the metal member to the melting point or higher of the covering material to melt the covering material adhered in the previous step to the film state. Thus, the member formed with the melted film is obtained with small residual heat.

17. 发明专利

JPH09155286A COATING METHOD OF METAL MEMBER 失效
公开(公告)号：JPH09155286A
公开(公告)日：1997-06-17
申请号：JP34434095
申请日：1995-12-06
申请人： DAI ICHI HIGH FREQUENCY CO LTD
发明人： KUROKI RYOICHI
IPC分类号： F16L58/10 , B05D3/00 , B05D7/14
摘要： PROBLEM TO BE SOLVED: To suppress boiling of a cooling water and to maintain smoothness of a coating film in the process to cool and solidify a melted layer of a thermoplastic resin coating material formed on the surface of a metal member, by bringing a cooling water containing a specified amt. of a water-soluble low mol.wt. polyol into contact with the melted layer. SOLUTION: When a metal member such as a steel pipe for piping is coated with a thermoplastic material essentially comprising polyethylene, polyvinyl chloride, polyamide, satd. polyester, etc., by hot-melt coating, a melted layer of the thermoplastic resin coating material is formed on the surface of the metal member and then the layer is solidified by cooling to form a coating film. In this process of cooling and solidifying, a cooling water into which a water-soluble low mol.wt. polyol is compounded by 5-25% is used and is directly brought into contact with the melted layer. The cooling and solidifying rate of the melted layer can be controlled by heating the cooling water. Thereby the wettability of the melted layer surface with the cooling water can be improved to minimize production of air bubbles during boiling, and the smoothness of the coating film can be maintained in a good state.

18. 发明专利

JPH06339993A COATING METHOD OF STRIP CONDUCTOR 失效
公开(公告)号：JPH06339993A
公开(公告)日：1994-12-13
申请号：JP15445493
申请日：1993-06-01
申请人： DAI ICHI HIGH FREQUENCY CO LTD
发明人： TANIGUCHI YASUYUKI , KUROKI RYOICHI , KOBAYASHI RYOJI , KURIBAYASHI MASAKI , HIRAYAMA KOTARO , TSUCHIDA ISAMU
IPC分类号： B29C63/06 , B29L23/00
摘要： PURPOSE:To efficiently perform coating having necessary environmental barrier properties and reinforcement effect of a strip conductor by supplying resin necessary for coating to the strip conductor in the shape of a wire rod and also performing operation for heating and melting resin through conduction of electricity and heat input to a conductor wire coated with resin. CONSTITUTION:The external circumference of a strip conductor such as a pipe is coated with resin to prevent corrosion. In the case, firstly a conductor wire 2 coated with thermoplastic resin is spirally wound on the external circumference of the strip conductor 1 in a single winding shape or in a lead line shape and a spirally winding layer is formed. Then electricity is conducted through the spirally wound conductor wire 2 and coating resin is melted to mutually melt-stick adjacent coating resin. At the time, for example, a coil 3 for electromagnetic induction is concentrically provided in the vicinity of one end of the spirally winding layer and electricity is conducted from the power source 4 of an electrodissolution machine to the coil 3. The spirally winding layer is integrated in a cylindrical shape. Thereby coating is efficiently performed which has the environmental barrier properties necessary for anticorrosion or the like and reinforcement effect of the strip conductor 1.

19. 发明专利

JPS62242519A POWDER RESIN MOLDED PRODUCT FOR LINING AND LINING METHOD 失效
公开(公告)号：JPS62242519A
公开(公告)日：1987-10-23
申请号：JP8501986
申请日：1986-04-15
申请人： DAI ICHI HIGH FREQUENCY CO LTD
发明人： KUROKI RYOICHI
IPC分类号： B29C63/06 , B29B11/14 , B29C63/02 , B29C63/34
摘要： PURPOSE:To form a coated layer of uniform thickness without sags, creases, unevenness and engulfed air by molding a molded product of non-molten or partly molten porous structure into a shape fit for the subject to be lined and into a thickness fit for lining coated layer of desired thickness when heated and melted. CONSTITUTION:Powder 6 of non-molted or partly molten porous structure is dusted over in a frame 2 almost uniformly, and a force mold 3 is lowered down by a cylinder 5 to pressurize and mold the powder. In case of heat molding, both the force mold 3 and a backing mold 4 are heated up. Then, a sheet-type molding material 1 is contacted on a metal plane plate 8 and the plate is heated up. Said plate can be heated before contacting the molding material 1. By heating up, the molding material 1 gets melted gradually starting with the section contacting with the metal plane plate to form a molten resin layer on the metal plane plate 8, and after the whole of the molding material 1 is melted, the same is cooled down and solidified to form up a resin lining coated layer of desired thickness.

20. 发明专利

JPH10165891A POWDER COATING METHOD OF SHORT PIPE 失效
公开(公告)号：JPH10165891A
公开(公告)日：1998-06-23
申请号：JP35253196
申请日：1996-12-16
申请人： DAI ICHI HIGH FREQUENCY CO LTD
发明人： HANAMOTO YUKIMITSU , KUROKI RYOICHI
IPC分类号： B05D7/22
摘要： PROBLEM TO BE SOLVED: To uniformly form a coat when feeding resin powder into a short pipe heated and rotating to form a resin coating layer on the inner surface of the pipe by changing the configuration of the pipe in the pipe peripheral direction to perform operation of rotating the pipe body. SOLUTION: When applying this method to a pipe with branch pipes P3 fitted with two branch pipes p2 , p3 at an included angle of about 90 deg., the pipe with branch pipes P3 is heated to suitable temperature not less than a melting point of resin to be coated. After that, one pipe end h1 of the main pipe is connected to a raw material feeding tank T, and all the residual pipe ends h3 , h4 are sealed by covers Ca. While rotating the pipe with branch pipes P3 to spread resin powder in the tank T into the pipe body, it is melted to form a resin coat on the inner surface of the pipe. At this time, at first, the configuration of the pipe in the pipe peripheral direction is made that in which one branch pipe p2 falls within a rotating surface 'a', and then at a suitable point of time, the configuration is changed to that in which the other branch pipe p3 falls within the rotating surface 'a' to surely spread the powder into each region within the pipe.

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