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1. 发明专利

JPS61222736A CORROSION-RESISTANT COATED STEEL PIPE AND COATING FORMING METHOD THEREOF 失效
公开(公告)号：JPS61222736A
公开(公告)日：1986-10-03
申请号：JP6479885
申请日：1985-03-28
申请人： USUI INTERNATIONAL INDUSTRY
发明人： KANEZASHI TOSHIO , KAJIYAMA MASASHI
IPC分类号： C25D7/04 , B32B7/02 , B32B15/01 , B32B38/00 , C23C28/00 , F16L58/08

2. 发明专利

JPH11117826A FUEL DELIVERY PIPE AND MANUFACTURE THEREOF 失效
公开(公告)号：JPH11117826A
公开(公告)日：1999-04-27
申请号：JP29182397
申请日：1997-10-09
申请人： USUI INTERNATIONAL INDUSTRY
发明人： TAKAHASHI TERUHISA , KAJIYAMA MASASHI
IPC分类号： F02M55/02 , C23C18/52 , C25D7/04 , F16L9/02
摘要： PROBLEM TO BE SOLVED: To eliminate a problem at the disposal of a plating waste solution and provide a delivery pipe of high quality by coating a fuel contact part of copper blazing filler material with a chemical tin plating film in a fuel delivery pipe with its components blazed by copper blazing filler material. SOLUTION: A fuel delivery pipe is provided with a main pipe 1, a fuel supply pipe 2, a fuel return pipe 3 and socket for receiving an injection nozzle as components, and these components are respectively formed of stainless steel or non-stainless base steel (such as low carbon steel). In the case of the component being non-stainless base, electrolytic nickel plating is applied to the inner peripheral surface to be at least a gasoline flow passage of the component in order to prevent the oxidizing action of gasoline caused by iron basis material, and after each component is blaze-welded by copper blazing filler material, electroless tin plating (chemical tin plating) is applied to the surface of the exposed copper blazing filler material in order to prevent the oxidation of gasoline caused by the exposed copper blazing filler material.

3. 发明专利

JPH1130390A CONNECTING STRUCTURE OF SMALL DIAMETRICAL METALLIC PIPE AND RUBBER HOSE 失效
公开(公告)号：JPH1130390A
公开(公告)日：1999-02-02
申请号：JP20388197
申请日：1997-07-14
申请人： USUI INTERNATIONAL INDUSTRY
发明人： AKIYAMA MASAAKI , TAKIGAWA KAZUYOSHI , KAJIYAMA MASASHI , FUKAYA KAZUMI
IPC分类号： F02M37/00 , B29D23/00 , F16L33/24 , F16L57/00
摘要： PROBLEM TO BE SOLVED: To provide excellent corrosion resistance and to facilitate manufacture without deteriorating chipping resistant property and a splashing resistant property on an outer peripheral surface roughly along overall length of a metallic pipe by covering an exposed part where a thick film resin layer does not exist and a rubber hose is not externally inserted with a protective member. SOLUTION: A metallic pipe 2 having a chipping resistant property roughly along overall length of its outer peripheral surface and a thick film resin layer free to extrusion mold except for a pipe end part corresponding to a working flap at least required for terminal working is constituted by providing a resin tube 5 so that one end part straddles over the resin layer 4 and the other end part is positioned at a position roughly corresponding to a rear end part of a rubber hose 1 to be externally inserted into the pipe end part. The resin tube 5 has a thermal contracting property or a rubber tube.

4. 发明专利

JPH1130388A CONNECTING STRUCTURE OF SMALL DIAMETRICAL METALLIC PIPE AND PIPING PART 失效
公开(公告)号：JPH1130388A
公开(公告)日：1999-02-02
申请号：JP20388297
申请日：1997-07-14
申请人： USUI INTERNATIONAL INDUSTRY
发明人： AKIYAMA MASAAKI , TAKIGAWA KAZUYOSHI , KAJIYAMA MASASHI , FUKAYA KAZUMI
IPC分类号： F16L57/00
摘要： PROBLEM TO BE SOLVED: To provide excellent corrosion resistance and to facilitate manufacture without deteriorating a chipping resistant property and a splash resistant property on an outer peripheral surface roughly along overall length of a metallic pipe by covering an exposed part where a thick film type resin layer does not exist and piping parts such as an end metal fitting, a quick connector, etc., are not positioned with a protective member. SOLUTION: It is constituted by providing a resin tube 5 so that one end part straddles over a resin layer 4 and the other end part makes roughly contact with a rear end part of a piping part assembled on a pipe end part on a metallic pipe 3 having a chipping resistant property along roughly overall length of its outer peripheral surface and having the thick film type resin layer free to extrusion mold except at least the pipe end part corresponding to a working flap required for terminal working. Additionally, the resin tube 5 has thermal contractive property or a rubber tube. Additionally, a recessed part 7 which is larger in diameter than an outside diameter of an end part on the side of the piping part of the resin tube 5 and extending in the shaft core direction is provided on the rear end part of the piping part.

5. 发明专利

JPH1130369A CONNECTING STRUCTURE OF OUTSIDE FACE RESIN COVERED SMALL DIAMETRAL METALLIC PIPE 失效
公开(公告)号：JPH1130369A
公开(公告)日：1999-02-02
申请号：JP20388397
申请日：1997-07-14
申请人： USUI INTERNATIONAL INDUSTRY
发明人： AKIYAMA MASAAKI , TAKIGAWA KAZUYOSHI , KAJIYAMA MASASHI , FUKAYA KAZUMI
IPC分类号： F16L21/00 , F16L19/028 , F16L37/092 , F16L37/098 , F16L57/00 , F16L58/10
摘要： PROBLEM TO BE SOLVED: To provide connecting structure of an outside face resin covered small diametral metallic pipe having excellent corrosion resistance without spoiling a chipping resistant property and a splash resistant property roughly along overall length of the outside face resin covered small diametral metallic pipe by perfectly covering an exposed part of a resin uncovered layer part provided to apply terminal processing with a resin-made protective pipe arranged at the part. SOLUTION: A small diametral metallic pipe having a chipping resistant property roughly along overall length of its outer peripheral surface and having a thick film type resin covered layer 4 free to be extrusion molded at least except for a pipe end part corresponding to a processing margin required for terminal processing is constituted by externally fitting one end side of a resin pipe 5 on the thick film type resin covered layer 4, internally or externally inserting the other end side of the resin pipe 5 in a locknut 1 and fixing the resin pipe 5 at least on one point in connecting structure to connect to an objective member by screwing and pressurizing the locknut 1 built in the pipe end part.

6. 发明专利

JPH1112761A STEEL PRODUCT WITH CORROSION RESISTANT LAMINATED COATING 失效
公开(公告)号：JPH1112761A
公开(公告)日：1999-01-19
申请号：JP18593197
申请日：1997-06-26
申请人： USUI INTERNATIONAL INDUSTRY
发明人： AKIYAMA MASAAKI , KAJIYAMA MASASHI , TAKAGI KAZUO
IPC分类号： C25D5/26 , C23C28/02
摘要： PROBLEM TO BE SOLVED: To provide a steel product which has a corrosion resistant laminated coating relatively reduced in thickness, having corrosion resistance practically equal to or higher than that of a chromate film, excellent in spreadability at the time of bending in a subsequent stage, and further free from a nickel plating layer as an outermost layer, by providing, as the alternative to a chromate film, a laminated coating layer consisting of other substances. SOLUTION: A nickel plating layer as a first layer is formed on the surface of a steel product, and a zinc or zinc alloy plating layer as a second layer is formed on the outside peripheral surface of the nickel plating layer, and further a tin plating layer as a third layer is formed on the second layer. It is preferable to further interpose a copper plating layer between the zinc a alloy plating layer and the tin plating layer. Moreover, the layer thickness of the nickel plating layer is regulated to 0.5 to 5 μm, the layer thickness of the zinc or zinc alloy plating layer is regulated to 3 to 15 μm, and the layer thickness of the tin plating layer is regulated to 0.5 to 6 μm, or the layer thickness of the copper plating layer is regulated to 0.5 to 3 μm.

7. 发明专利

JPH10296910A OVERLAP-COATED METALLIC TUBE AND METHOD FOR FORMING COATING THEREOF 失效
公开(公告)号：JPH10296910A
公开(公告)日：1998-11-10
申请号：JP12352997
申请日：1997-04-25
申请人： USUI INTERNATIONAL INDUSTRY
发明人： TAKAHASHI TERUHISA , AKIYAMA MASAAKI , KAJIYAMA MASASHI
IPC分类号： F16L9/14 , B05D7/14 , B29C47/02 , B29C47/06 , B29K23/00 , B29L9/00 , B29L23/00 , B32B1/08 , B32B15/082 , B32B15/088 , B32B27/32 , F16L9/147 , B32B15/08
摘要： PROBLEM TO BE SOLVED: To provide an overlap-coated metallic tube that has excellent durability against a flying stone and soil water during running and corrosion resistance, which can be laid as it is without any peeling operation and adopts an insulator that is conventionally used, and a method for forming a coating. SOLUTION: An overlap-coated metallic tube comprises on the outer circumferential surface of a relatively thin metallic tube P a metallized coating 1 comprising Zn, Al or an alloy thereof, a first layer of PA or PVF applied on the metallized coating and having a layer thickness of 20 to 50 μm and a second layer 3 of an extrudable resin coated and overlapped over the first layer along the full length thereof and having a layer thickness of 100 μm to 1.0 mm, and the second layer 3 has stepped portions each having a different thickness. A resin durable against a flying stone is extruded on the first layer 2 in such a manner that it is supplied intermittently in a different volume so as to form the second layer 3 having stepped portions each having a different thickness along the full length of the first layer 2.

8. 发明专利

JPS63249644A CORROSION-PROTECTIVE MULTILAYER COATED METALLIC PIPE 失效
公开(公告)号：JPS63249644A
公开(公告)日：1988-10-17
申请号：JP8442987
申请日：1987-04-06
申请人： USUI INTERNATIONAL INDUSTRY
发明人： TAKAHASHI TERUHISA , KAJIYAMA MASASHI
IPC分类号： B32B1/08 , B32B15/082 , B32B15/085 , F16L58/08 , F16L58/10

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