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31. 发明专利

JPH02141232A COLORED-CERAMIC COATED STEEL PLATE AND MANUFACTURE THEREOF 失效
公开(公告)号：JPH02141232A
公开(公告)日：1990-05-30
申请号：JP29362388
申请日：1988-11-22
申请人： NIHON PARKERIZING
发明人： NAKAGAWA HIROYOSHI , FUKUDA AKIMITSU
IPC分类号： B05D7/14 , B05D3/02 , B05D5/00 , B05D7/24 , B32B15/04 , B32B18/00
摘要： PURPOSE:To ensure decorative coloring and functionality without damaging the matrix of a surface-treated steel-plate by executing the same surface treatment as normal coating pretreatment onto the metallic material, applying a ceramic coating agent having a specific composition and heating and curing the metallic material at a low temperature. CONSTITUTION:The same formation treatment as normal coating pretreatment is executed onto a surface-treated steel plate (hot dipping, electroplating) and an Fe, SUS, Al, Cu, Mg or Ti plate, and a ceramic coating agent is applied and baked. A substance mainly comprising an alkali silicate and ultrafine silica is used as the ceramic coating agent at that time, and 150-300 deg.C are favorable as a baking temperature. Accordingly, ceramic coating having substantially all decorative coloring and functionality (a hard film, hydrophilic properties, fingerprint resistance, heat resistance, corrosion resistance, chemical resistance, weather resistance, release properties, stain resistance, abrasion resistance, insulating properties and workability) except plastics and wood is enabled.

32. 发明专利

JPH01283383A TREATMENT OF HIGH NICKEL ALLOY WITH OXALATE FILM 失效
公开(公告)号：JPH01283383A
公开(公告)日：1989-11-14
申请号：JP22048988
申请日：1988-09-05
申请人： HITACHI METALS LTD , NIHON PARKERIZING
发明人： TOYAMA FUMIO , YASUDA REIJI , NAKAGAWA HIROYOSHI , FUKUDA AKIMITSU
IPC分类号： C23C22/46
摘要： PURPOSE:To form an oxalate film having a satisfactory thickness and high adhesion on a high Ni alloy by chemically treating the alloy with a treating soln. for an oxalate film contg. Fe ions at a specified concn. CONSTITUTION:A high Ni alloy is chemically treated with a treating soln. for an oxalate film contg. 0.001-10g/l Fe ions or further contg. 0.5-5g/l (expressed in terms of thiosulfuric acid) thiosulfate. when the high Ni alloy is an Ni-Cr alloy or Ni-Cr alloy steel contg. >=15wt.% Ni, the concn. of Fe ions in the treating soln. is preferably regulated to 0.5-5g/l. By the chemical treatment, an oxalate film having a satisfactory thickness and high adhesion is formed on the high Ni alloy and a thick base film for a lubricant nearly free from defects such as pinholes and having superior quality is obtd.

33. 发明专利

JPS62170485A SURFACE TREATMENT OF STEEL SHEET 失效
公开(公告)号：JPS62170485A
公开(公告)日：1987-07-27
申请号：JP1203786
申请日：1986-01-24
申请人： NIHON PARKERIZING
发明人： SANO YOSHIHIDE , FUKUDA AKIMITSU , KOIZUMI SOEI
IPC分类号： C23C22/78
摘要： PURPOSE:To form a chemical conversion film having excellent coating adhesiveness and corrosion resistance by continuously subjecting a steel sheet to galvanizing, treatment by an aq. soln. contg. metallic ions as an essential component, washing and drying then to a chemical conversion treatment. CONSTITUTION:The steel sheet is continuously subjected to the stage for galvanizing, stage for treating the same with the aq. soln. contg. the metallic ions of >=1 kinds among iron, nickel and cobalt as the essential component and a complexing agent as an auxiliary component, washing stage and force drying stage. The treatment with the aq. soln. contg. the above-mentioned metallic ions as the essential component is executed to preferably form the above- mentioned metal on the surface of the galvanized steel sheet at about 1-200mg/m in total. An org. compd. such as glycine or tartaric acid is used for the above-mentioned complexing agent. The galvanized steel sheet after the above-mentioned treatment is made into a product and if necessary, the product is further molded and is then subjected to a surface treatment by an aq. phosphate or chromate soln., by which the chemical conversion film is formed thereon.

34. 发明专利

JPS60197881A COATED ALUMINUM-ZINC ALLOY PLATED STEEL SHEET 失效
公开(公告)号：JPS60197881A
公开(公告)日：1985-10-07
申请号：JP5478984
申请日：1984-03-21
申请人： DAIDO STEEL SHEET CORP , NIHON PARKERIZING
发明人： FUJII HARUKI , IKADA SHIYOUJI , FUKUDA AKIMITSU , OKUMURA YASUO
IPC分类号： B05D7/14 , B32B15/08 , C09D5/08 , C23C22/28 , C23C22/68
摘要： PURPOSE:To improve the adhesive strength of an Al-Zn alloy plated steel sheet to a paint film and the lubricity during forming by coating the steel sheet with a resin composition of a prescribed pH contg. resin having a prescribed acid value and a prescribed amount of sexivalent Cr. CONSTITUTION:The titled steel sheet is obtd. by coating an Al-Zn alloy plated steel sheet with a resin composition adjusted to 3-10pH. The resin composition contains water-dispersible or -soluble resin having 10-200 acid value and sexivalent Cr. The amount (weight) of sexivalent Cr is 1/500-1/10 of th amount of solid matter in the resin.

35. 发明专利

JPS60152682A PHOSPHATE TREATMENT 失效
公开(公告)号：JPS60152682A
公开(公告)日：1985-08-10
申请号：JP736684
申请日：1984-01-20
申请人： NIHON PARKERIZING
发明人： TSUCHIYA YUTAKA , FUKUDA AKIMITSU
IPC分类号： C23C22/78
摘要： PURPOSE:To prevent segregation and thickening of Al on a Zn-Al plating surface by pretreating the Zn-Al alloy plating surface with an aq. alkali soln. dissolved therewith with specific metallic ions and the complexing agent thereof prior to a phosphate treatment of said surface. CONSTITUTION:A phosphate film is formed on the plating surface of a steel sheet or the like on which a Zn-Al alloy is plated. The surface is pretreated with an aq. alkali soln. which contains metallic ions of one or >=2 kinds among Co, Fe, Ni and Mn, contains the complexing agent of the amt. necessary for the dissolution of the metallic ions and is adjusted to >=11pH by NaOH, Ca2CO3, etc. A phosphate film is then formed thereon by an aq. zinc phosphate soln. contg., for example, 0.1-1% Zn, 0.6-4% PO4, 0.1-4% NO3, 0.01-0.4% Ni and 0.01-0.3% F. The part where the Al of the plating layer is segregated and thickened is removed and the formability of the chemical converted film of phosphate is improved.

36. 发明专利

JPS5641385A PHOSPHATING APPARATUS 失效
公开(公告)号：JPS5641385A
公开(公告)日：1981-04-18
申请号：JP11620979
申请日：1979-09-12
申请人： NIHON PARKERIZING
发明人： FUKUDA AKIMITSU , OONO MICHITAKA
IPC分类号： C23G3/00 , C23C22/00
摘要： PURPOSE:To realize a reduction of the energy to be consumed, by adapting the immersing method and the spray method for the predegreasing zone and the main degreasing zone respectively for the processor having a successive disposition of zones for the exhaustion, predegreasing, main degreasing, washing by water, chemical treating and washing by water respectively. CONSTITUTION:The phosphating apparatus processor for the metal to be processed has a successive disposition of exjaistopm zone 1, predegreasing zone 22, main degreasing zone 23, the first washing zone 4, chemical treating zone 5 and the second washing zone 6 respectively. For the degreasing zones, the conventional method is changed, i.e. the immersing method and the spray method are adapted for the zones 22 and 23. And in order to enclose the heat energy into the zones, the air curtain 13 is provided before and after the zones 22, 23 and 5 respectively. As a result, the quantity of vapor reaching the zone 1 can be reduced, and then the flowing of the vapor within the booths is sopped to save the energy consumption.

37. 发明专利

JPS5528778A OIL SEPARATING DEVICE OF SURFACE TREATING PLANT 失效
公开(公告)号：JPS5528778A
公开(公告)日：1980-02-29
申请号：JP10326978
申请日：1978-08-24
申请人： NIHON PARKERIZING
发明人： SUGAWARA YOUICHI , UMEHARA SEIICHIROU , FUKUDA AKIMITSU
IPC分类号： B01D17/04 , B01D1/22 , B01D17/02 , C02F1/08 , C23G3/00
摘要： PURPOSE:The device which is simple in constitution, is highly reliable, is advantageous for maintenance of environments and is capable of considerably lowering consumption components. CONSTITUTION:An evaporating chamber 8a is provided in the upper part of the oil separating tank 8 provided within the degreasing process system 2 of a surface treating plant 1 and heating flat plates 11, 12 which are heated by steam or electric energy and concentrate and heat the degreasing liquid through contact therewith are disposed in the evaporating chamber 8a. Further a device for separating and removing oil such as a belt drive type oil skimmer, etc. is provided to the inner side of the foregoing oil separating tanks 7, 8.

38. 发明专利

JPH02277782A FORMATION OF HYDROPHILIC COATING FILM ON HEAT EXCHANGER 失效
公开(公告)号：JPH02277782A
公开(公告)日：1990-11-14
申请号：JP9893989
申请日：1989-04-20
申请人： NIHON PARKERIZING , OKUNO CHEM IND CO
发明人： NAKAGAWA HIROYOSHI , FUKUDA AKIMITSU , OKUNO GIICHI , MORITSU YUKIKAZU , KIMURA TOSHIRO
IPC分类号： C23C22/66 , C23C22/74 , C23C22/82 , C23C22/83
摘要： PURPOSE:To produce a heat exchanger maintaining hydrophilic property by applying an aq. soln. contg. specified amts. of alkali silicate and superfine silica particles and by baking the applied soln. at a specified temp. CONSTITUTION:An aq. soln. contg. 100 pts.wt. (expressed in terms of solid matter) alkali silicate and 20-50 pts.wt. superfine silica particles is applied to the surface of a heat exchanger made of a metal and a hydrophilic coating film is formed on the surface by baking the applied soln. at 180-300 deg.C. Since the condensation reaction of silanol groups proceeds during heating, the coating film has satisfactory hydrophilic property and maintains the property over a long period of time. When the amt. of the superfine silica particles is 50 pts.wt., complete dissolution in the alkali silicate is not carried out.

39. 发明专利

JPH02243772A CHROMATING SOLUTION ENSURING HIGH CORROSION RESISTANCE FOR GALVANIZED STEEL SHEET AND CHROMATING METHOD 失效
公开(公告)号：JPH02243772A
公开(公告)日：1990-09-27
申请号：JP6513889
申请日：1989-03-17
申请人： NISSHIN STEEL CO LTD , NIHON PARKERIZING
发明人： TAKETSU HIROBUMI , DEGUCHI TAKENORI , SUZUKI MASARU , KAWAMOTO MAKOTO , FUKUDA AKIMITSU , MIYATOU ITSUTOUBOU
IPC分类号： C23C22/28 , C23C22/30 , C23C22/33 , C23C22/38
摘要： PURPOSE:To prevent the leaching of hexavalent Cr and the leaving of fingerprints on a Zn film and to render lubricity by specifying the amt. of total Cr, the molar ratio of trivalent Cr to total Cr and the amts. of ZrF6, SiO2, PO4 and org. resin in a chromating soln. CONSTITUTION:This chromating soln. ensuring high corrosion resistance for a galvanized steel sheet has a compsn. contg. 5-100g/l total Cr in 0.30-0.70 molar ratio of trivalent Cr to total Cr, 0.5-7.0g/l ZrF6 in 0.05-0.10 molar ratio of ZrF6 to total Cr, 10-200g/l SiO2, 0.5-5g/l PO4 and 10-200g/l water-soluble or water- dispersible org. resin. This chromating soln. is applied to a galvanized steel sheet by 30-120mg/m (expressed in terms of Cr) and the steel sheet is dried by heating to 150-250 deg.C without washing to form a chromate coating film.

40. 发明专利

JPS62278297A METHOD FOR CHROMATING METAL-SURFACE-TREATED STEEL SHEET 失效
公开(公告)号：JPS62278297A
公开(公告)日：1987-12-03
申请号：JP11839386
申请日：1986-05-24
申请人： NIPPON STEEL CORP , NIHON PARKERIZING
发明人： HIGUCHI SEIJUN , MARUTA AKINORI , ASAKAWA KENICHI , FUKUDA AKIMITSU , TERADA HARUYOSHI , ONO YOUJI
IPC分类号： C25D11/38 , C25D11/34
摘要： PURPOSE:To obtain a chromate film having superior performance by carrying out composite electrolysis by cathodic electrolysis in a chromate bath contg. specified cations and immediate anodic electrolysis. CONSTITUTION:A chromate bath contg. Cr , PO4 , one or two kinds of fluorine compounds and one or more kinds of ions selected among ions of Zn, Ni, Co, Al, Mg, Sn, Mn and Pb is prepd. A Zn or Zn alloy plated steel sheet, an Al or Al alloy plated steel sheet or a Pb or Pb alloy plated steel sheet is cathodically electrolyzed in the chromate bath to form a chromate film. Anodic electrolysis is then carried out at once to modify the chromate film.

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