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1. 发明专利

JPS61287471A PROCESS AND DEVICE FOR CONTROLLING PRETREATMENT OF PAINTING 失效
公开(公告)号：JPS61287471A
公开(公告)日：1986-12-17
申请号：JP12598985
申请日：1985-06-12
申请人： NISSAN MOTOR
发明人： YAMAMOTO SHOZO , SAKAUCHI TSUNEO
IPC分类号： B05D3/00 , B05C9/10 , B05D3/10
摘要： PURPOSE:To maintain quality of coated film at a fixed level by recovering water fed to a specified position of a painted article at a pretreating stage of painting, measuring the concentration of contaminating component in the recovered water and performing washing with water in accordance with the concn. of the contaminating component. CONSTITUTION:In the process for controlling the degree of contamination due to foreign matters remaining on the surface of an object to be painted in a painting process, a specified position of an object to be painted 10 conveyed by a transporting device 12 is allowed to contact with an opening end of a measuring chamber 16 of a measuring device E for degree of contamination in a water-washing stage. By feeding pure water from a feed source, the contacting part is washed and contaminants sticking thereto are mixed in the pure water. The water used for washing is transferred to a tank 31 where a sensor is held and the quality of the water is determined with the sensor and a water quality determining device 33. The degree of opening or closing of a valve for the pure water source, the angle of inclination of a nozzle, and the pressure of spray, etc., are adjusted by the fedback signal. Thus, the degree of contamination of a painted surface is held within a fixed range and maintains the quality of painted film at a fixed level.

2. 发明专利

JPS61250070A RUST-RESISTING AGENT FOR STEEL PLATE PANEL JOINT 失效
公开(公告)号：JPS61250070A
公开(公告)日：1986-11-07
申请号：JP9256985
申请日：1985-04-30
申请人： NISSAN MOTOR
发明人： SAKAUCHI TSUNEO , YAMAMOTO SHOZO
IPC分类号： C09D5/08 , C08G59/00 , C08G59/20 , C08G59/22 , C08L63/00 , C09D163/00 , C09K3/10
摘要： PURPOSE:To provide the titled cohesive-failure type agent suitable for automobile steel plate panel joint, comprising both bisphenol A and bisphenol F type epoxy resins, dimer acid-modified epoxy resin, reactive synthetic rubber, flaky pigment and rust-resisting pigment. CONSTITUTION:The objective agent can be obtained by incorporating (A) 100pts. wt. of a blend made up of (i) 40-60pts.wt. of a bisphenol A type epoxy resin and (ii) 60-40pts.wt. of a bisphenol F type epoxy resin with (B) 40-80pts.wt. of a dimer acid-modified epoxy resin, (C) 25-40pts.wt. of a reactive synthetic rubber, (D) 60-150pts.wt. of a flaky pigment and (E) 60-130pts.wt. of a rust- resisting pigment.

3. 发明专利

JPS62131815A RUST PREVENTIVE METHOD OF HEMMING JUNCTION FOR CAR 失效
公开(公告)号：JPS62131815A
公开(公告)日：1987-06-15
申请号：JP27374885
申请日：1985-12-04
申请人： NISSAN MOTOR
发明人： YAMAMOTO SHOZO , SAKAUCHI TSUNEO , ASHIDA TADASHI , HANDA KOICHI , NAKAJIMA MASAO
IPC分类号： B62D65/00 , B21D39/02 , B23P11/00 , B60J5/00 , B60J5/04 , B62D25/10 , B62D27/02 , F16B5/00
摘要： PURPOSE:To prevent seal from being off the mark by bulging out the sealer agent inserted into a junction by hemming processing to cover a panel edge section and form a seal section in the hemming junction of a panel of a door or the like. CONSTITUTION:A sealer agent 3 is inserted in excess at the junction of an inner panel 2 and an outer panel 1 so that it is bulged out of the junction by hemming processing. This bulged-out sealer agent 3a is controlled by a molding groove 5a of a hemming processing press mold 5, and a seal section 6 covering the edge 1a of the outer panel 1 is formed. Next, the sealer agent 3 and seal 6 are hardened through the pretreatment and electrodeposition coating process. According to this constitution, sealing can be performed reliably and easily.

4. 发明专利

JPS61157432A STRUCTURE OF JOINT PART OF EXHAUST GAS FLOW PASSAGE FOR CAR 失效
公开(公告)号：JPS61157432A
公开(公告)日：1986-07-17
申请号：JP27839884
申请日：1984-12-28
申请人： NISSAN MOTOR , NISSHIN STEEL CO LTD
发明人： TAWARA HIROMITSU , NISHIMURA KAZUHIRO , YAMAMOTO SHOZO , OKAMOTO YASUHIRO , HOSHINO KAZUO , UEMATSU YOSHIHIRO , MIYAKUSU KATSUHISA , SHIMIZU ISAMU
IPC分类号： B60K13/04 , C23F13/00 , F01N13/16 , F16L58/08
摘要： PURPOSE:To reduce the corrosion of an aluminium-plated steel sheet side by constituting the joint part between different kinds of metals from an aluminium- plated steel sheet on one side and a ferrite stainless-steel sheet containing a specific amount of P on the other side. CONSTITUTION:As for a muffler 6, a shell 13 is closed by end plates 14 and 15, and the inside is divided into the first, second, and the third chambers 18, 19, and 20 by partitioning the inside by the buffle plates 16 and 17 having each opened port. The top edge of a center tube 5 is connected to the second chamber 19, and the top edge of a tail tube 7 is connected to the first chamber 18. In the joint parts J1-J13 for different kinds of metals, one metal is constituted of an aluminium-plated steel sheet A, and the other metal is constituted of a ferrite stainless steel sheet S in which the content of P is within a range of 0.040-0.15%, and the corrosion on the steel sheet A side is reduced.

5. 发明专利

JPH0553653B2 失效
公开(公告)号：JPH0553653B2
公开(公告)日：1993-08-10
申请号：JP27839884
申请日：1984-12-28
申请人： NISSAN MOTOR , NISSHIN STEEL CO LTD
发明人： TAWARA HIROMITSU , NISHIMURA KAZUHIRO , YAMAMOTO SHOZO , OKAMOTO YASUHIRO , HOSHINO KAZUO , UEMATSU YOSHIHIRO , MYAKUSU KATSUHISA , SHIMIZU ISAMU
IPC分类号： B60K13/04 , C23F13/00 , F01N13/16 , F16L58/08 , C23F13/14 , F01N7/16

6. 发明专利

JPS62184084A FILM-SHAPED SEALING MATERIAL 失效
公开(公告)号：JPS62184084A
公开(公告)日：1987-08-12
申请号：JP2421386
申请日：1986-02-07
申请人： NISSAN MOTOR
发明人： ASHIDA TADASHI , HANDA KOICHI , NAKAJIMA MASAO , YAMAMOTO SHOZO , SAKAUCHI TSUNEO
IPC分类号： C09K3/10
摘要： PURPOSE:To obtain the titled sealing material having excellent workability and corrosion resistance and suitable for use in prevention of occurrence of rust in the hemming portion of doors etc. of automobiles, by impregnating a nonwoven fabric with a particular thermosetting resin composition and forming it into a film. CONSTITUTION:A vinyl chloride resin and a filler such as calcium carbonate are dispersed in a plasticizer (e.g., dioctyl phthalate) to obtain a vinyl chloride sol. 5-50wt% vinyl chloride sol is blended with 95-50wt% epoxy resin, such as liq. bisphenol epoxy resin, and a curing agent, such as a latent curing agent which is stable at room temp. and exhibits the activity at a high temp. (e.g., dicyandiamide), to obtain a thermosetting resin compsn. The compsn. is impregnated under pressure into a nonwoven fabric (e.g., rayon nonwoven fabric) so as to have a predetermined thickness while it is molten with a press or a calender roll. THe fabric is then formed into a film to obtain the titled sealing material.

7. 发明专利

JPS62181383A PRODUCTION OF SEALING MATERIAL FOR HEMMING PART 失效
公开(公告)号：JPS62181383A
公开(公告)日：1987-08-08
申请号：JP2284986
申请日：1986-02-06
申请人： NISSAN MOTOR
发明人： NAKAJIMA MASAO , ASHIDA TADASHI , HANDA KOICHI , SAKAUCHI TSUNEO , YAMAMOTO SHOZO
IPC分类号： B62D65/00 , B60J5/00 , B60J5/04 , C09K3/10 , F16J15/10
摘要： PURPOSE:To obtain a sealing material for preventing rust in automotive hemming parts, having improved operability without staining parts around a hemming press, by blending a powder coating materials with a composition containing an epoxy resin which is liquid at ordinary temperature and impregnating a woven or nonwoven fabric with the blend composition and providing a filmy material. CONSTITUTION:(A) A powder coating materials, e.g. recovered uncoated coating material, etc., is blended with (B) >=20pts.wt., based on 100pts.wt. component (A), composition consisting essentially of an epoxy resin which is liquid at ordinary temperature and a woven or nonwoven fabric is then impregnated with the resultant blend composition to give the form of a film and afford the aimed sealing material.

8. 发明专利

JPH0463088B2 失效
公开(公告)号：JPH0463088B2
公开(公告)日：1992-10-08
申请号：JP9256985
申请日：1985-04-30
申请人： NISSAN MOTOR
发明人： SAKAUCHI TSUNEO , YAMAMOTO SHOZO
IPC分类号： C09D5/08 , C08G59/00 , C08G59/20 , C08G59/22 , C08L63/00 , C09D163/00 , C09K3/10

9. 发明专利

JPS62184082A FILM-SHAPED SEALING MATERIAL 失效
公开(公告)号：JPS62184082A
公开(公告)日：1987-08-12
申请号：JP2421186
申请日：1986-02-07
申请人： NISSAN MOTOR
发明人： ASHIDA TADASHI , HANDA KOICHI , NAKAJIMA MASAO , YAMAMOTO SHOZO , SAKAUCHI TSUNEO
IPC分类号： C09K3/10
摘要： PURPOSE:To obtain the titled sealing material which is suitable for use in prevention of occurrence of rust in the hemming portion of doors etc. of automobiles, and having excellent adhesion and corrosion resistance and good sealing properties, by impregnating a nonwoven fabric with a specified epoxy resin compsn. and molding it into a film. CONSTITUTION:100pts.wt. epoxy resin such as a bisphenol A type epoxy resin, etc., is blended with 10-100pts.wt. aliph. petroleum resin which is composed of 1,3-pentadiene unit, etc., and a solid at room temp., a curing agent such as a latent curing agent which is stable at room temp. but active at a high temp. (e.g., dicyandiamide) and optionally, not more than 100pts.wt. (based on the total amount of the resins) filler such as silica, talc, etc. to obtain an epoxy resin compsn. While the compsn. is molten in a press or a calender roll, nonwoven fabric (e.g., rayon nonwoven fabric) is impregnated with said compsn. under pressure to form an impregnated nonwoven fabric having a predetermined thickness. The fabric is then molded into a film to obtain the titled sealing material.

10. 发明专利

JPS63149385A TREATMENT OF ALUMINUM MEMBER 失效
公开(公告)号：JPS63149385A
公开(公告)日：1988-06-22
申请号：JP29599686
申请日：1986-12-12
申请人： NISSAN MOTOR
发明人： MOTOJIMA KATSUMI , YAMAMOTO SHOZO , WATANABE AKIRA
IPC分类号： C23C22/12 , C23C22/36 , C23C22/73
摘要： PURPOSE:To obtain an integrated coating film excellent in rust-proof property by assembling an Al member subjected to preliminary zinc phosphate pretreatment into a steel product and successively performing zinc phosphate pretreatment, undercoating, intercoating and topcoating. CONSTITUTION:After wiping off press oil, rust-proof oil and dust, etc., stuck on the surface of an Al member, degreasing with a solvent and washing with water, a coated phosphate film having a passive state is formed on the surface by performing preliminary chemical conversion treatment with a zinc phosphate pretreating agent. Then the Al member obtained after the above-mentioned treatment is washed with water and thereafter it is heated at about 100 deg.C and dried. Thereafter the Al member finished with chemical treatment as in the above-mentioned method is assembled into a white body consisting of a steel product before pretreatment. Then after again subjecting the Al member assembled into the steel product to chemical treatment with the zinc phosphate pretreating agent, an integrated coating film excellent in rustproof properties is formed on the surface of the Al member by successively performing an ordinary coating process such as undercoating, intercoating and topcoating.

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