US3860398A - Can produced from chromium-coated steel plate - Google Patents

Can produced from chromium-coated steel plate Download PDF

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Publication number
US3860398A
US3860398A US420651A US42065173A US3860398A US 3860398 A US3860398 A US 3860398A US 420651 A US420651 A US 420651A US 42065173 A US42065173 A US 42065173A US 3860398 A US3860398 A US 3860398A
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Prior art keywords
chromium
layer
resin
coating
change change
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US420651A
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English (en)
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Michiko Tsurumaru
Hiroshi Matsubayashi
Hiroki Sano
Yukio Suzuki
Hiroshi Ueno
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Toyo Seikan Group Holdings Ltd
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Toyo Seikan Kaisha Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/42—Applications of coated or impregnated materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
    • B65D7/42—Details of metal walls
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/04—Electroplating: Baths therefor from solutions of chromium
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12542—More than one such component
    • Y10T428/12549—Adjacent to each other
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12583—Component contains compound of adjacent metal
    • Y10T428/1259—Oxide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
    • Y10T428/12826—Group VIB metal-base component
    • Y10T428/12847—Cr-base component
    • Y10T428/12854—Next to Co-, Fe-, or Ni-base component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31859—Next to an aldehyde or ketone condensation product
    • Y10T428/31877—Phenol-aldehyde
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31935—Ester, halide or nitrile of addition polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31938—Polymer of monoethylenically unsaturated hydrocarbon
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31942—Of aldehyde or ketone condensation product

Definitions

  • ABSTRACT A can made of a steel sheet the surface of which is coated with a three-layered chromium coating, consisting of a metallic chromium coating, a crystalline chromium oxide coating and a non-crystalline hydrated chromium oxide coating in this order.
  • a layer of an organic enamel or fused film may be provided further on top of the non-crystalline hydrated chromium oxide coating.
  • This invention relates to a can produced from a steel plate having a chromium-coated layer on its surface. More specifically, the invention relates to a can produced from a steel plate having a three-layered anticorrosive chromium coating or one further having an organic coating on the chromium coating.
  • Enameled or lacquered cans made of steel plate have come into use as cans for foods, drinks and other products that require corrosion resistance.
  • Chromium plated steel sheets are useful for producing coated cans because of good adhesion of the plated layer with organic coating, and are also suitable for coating with a transparent lacquer because of their good appearance.
  • the provision of a metallic chromium layer only can not lead to the prevention of cracks or pin holes.
  • Japanese Pat. No. 6323/71 proposed steel sheets coated with a thin layer of metallic chromium plating and a top coating of hydrated chromium oxide.
  • the steel sheet coated with the two layers has the defect that the adhesion between the metallic chromium layer and the hydrated chromium oxide layer is not satisfactory, and the fabricability of the steel sheet, such as deep drawing or the bending of the seam portion of the can body, is insufficient, and cracks tend to occur.
  • Another object of this invention is to provide a can and a coated can both having superior corrosion resistance.
  • a layer of metallic chromium intimately to a layer of hydrated chromium oxide through a layer of crystalline chromium oxide.
  • a can at least a part of which is made of a steel plate having on its surface a layer of metallic chromium coating, a layer of crystalline chromium oxide coating and a layer of non-crystalline hydrated chromium oxide coating in this order beginning with the surface of the steel sheet, or a steel plate having on its surface these three layers and further a fourth topcoat layer of organic coating.
  • FIG. 1 is a perspective view showing one example of a can in accordance with this invention.
  • FIG. 2 is a schematic view of the section of the coated layers in this invention.
  • the can of this invention consists of a main body 1, a can lid 2 and double seams 3 formed between the flange of the main can body and the end portion of the can.
  • the main body 1 includes a side seam portion 4 formed by bonding both side edges of a rectangular metal blank or welding them in a superposed state, or by means of a hook seam.
  • one of the main body 1 and the lid 2 may be formed continuously in the case of, for example, deep drawn can or deep drawn and ironed can. In this case, the main body part 1 generally does not have a side seam.
  • a lid made of an aluminum sheet having a known opener and a score cut enable to open the can easily at the time of drinking or taking out of the contents may be formed at one or both of the can lids.
  • the main body portion 1 is composed of a steel sheet having a metallic chromium layer 6, a crystalline chromium oxide layer 7 and a non-crystalline hydrated chromium oxide layer 8 formed on the surface of the steel sheet in this order starting from the surface. If desired. this three-layered coating may be coated only on one surface of the base steel plate.
  • an organic coating layer 9 is further formed on the above three-layered coating.
  • the three-layered or four-layered coating may be formed on a blank steel sheet either before or after making the blank into a can body.
  • the chromium coated steel sheet that constitutes the can of this invention can be produced by various methods, and some of them will be illustrated below. Of course, the invention is not limited to these examples.
  • the chromium coated steel sheet is obtained cathodically in an electrolyte consisting of chromic acid (CrO as a main component, and S0,, and HS as catalyst, whereby three layers can be deposited simultaneously with good efficiency.
  • An electrolyte consisting of chromic acid (CrO as a main component, and S0,, and HS as catalyst, whereby three layers can be deposited simultaneously with good efficiency.
  • a conventional electrolyte containing 5 g/] to 300 g/l of chromic acid and 0.05 g/l to 5 g/l of sulfuric acid for electrolytic chromic acid treatment may be used by adding 0.1 g/l to 10 g/l, calculated as HS, of a compound capable of generating HS such as NaHS or KHS.
  • the chromium coated steel sheet is obtained cathodically under the same electrolysis conditions for conventional electrolytic chromic acid treatment except that the pH of the electrolyte at a point about 1 mm apart from the steel sheet as the cathode is adjusted to at least 5.5.
  • the pH adjustment can be performed by controlling the stirring condition of the electrolyte in the case of batch treatment.
  • the electrolytic solution containing HS mentioned in (1) above may be used.
  • the three-layered chromium coated steel sheet is obtained in the following manner: Non-crystalline hydrated chromium oxide layer of a chromium coated steel sheet having a non-crystalline hydrated chromium oxide layer on a metallic chromium layer is converted to crystalline chromium oxide by aging. Then, a coating of non-crystalline hydrated chromium oxide is formed on the crystalline chromium oxide layer by a conventional chromate treatment.
  • a crystalline chromium oxide coating is formed on a chromium plated steel sheet by oxidation in the vapor phase, and then by a conventional chromate treatment, a non-crystalline coating is formed.
  • Another can of this invention can be produced by using the chromium coated steel sheet coated with a thermocurable resin enamel such as a phenolic resin, urea resin, epoxy resin or a mixture of these, a thermoplastic resin enamel such as a vinyl chloride resin, acrylic resin, or a vinyl chloride/vinyl acetate copolymer, or a thermoplastic resin such as polyethylene, polypropylene or linear polyester on the desired part of the three-layered coating.
  • a thermocurable resin enamel such as a phenolic resin, urea resin, epoxy resin or a mixture of these
  • a thermoplastic resin enamel such as a vinyl chloride resin, acrylic resin, or a vinyl chloride/vinyl acetate copolymer
  • a thermoplastic resin such as polyethylene, polypropylene or linear polyester
  • the amount per unit area of each of the layers on the steel plate that constitutes the can of this invention is not particularly restricted.
  • the amount of the metallic chromium layer is 0.1 to 3 mg/dm
  • the amount of the crystalline chromium oxide layer is 0.01 to 0.2 mg/dm
  • that amount of the non-crystalline hydrated chromium oxide layer is 0.05 to 0.5 mg/dm all calculated as chromium.
  • Optimum results can be obtained when the amount of the metallic chromium layer, the crystalline chromium oxide layer, and the non-crystalline hydrated chromium oxide layer are 0.3 to 1.8 mg/dm 0.03 to 0.15 mg/dm and 0.1 to 0.3 mg/dm respectively, calculated as chromium.
  • each of the coating layers of the can of this invention can be identified by various methods.
  • the outermost surface of the coated steel sheet can be identified clearly as a non-crystalline coating by a reflection electron diffraction.
  • This noncrystalline hydrated chromium oxide coating is removed by dissolving it in accordance with a well known method of immersing in concentrated hot alkali.
  • the surface of the coated steel sheet after removal of the non-crystalline hydrated chromium oxide coating is fixed with a carbon film, and the steel sheet and the metallic chromium on the opposite side are then dissolved completely in a solution of. bromine in anhydrous methyl alcohol.
  • An electron diffraction of the remaining layer shows that this layer consists of crystalline chromium oxide present uniformly, and only oxygen and chromium were detected for this layer by electron probe X-ray microanalysis.
  • the base steel is removed by dissolving with nitric acid, and the surface of the coated layer on the side of the removed steel sheet is tested by reflection electron diffraction, and it is ascertained that the layer adjacent to the steel sheet is a metallic chromium layer.
  • the amount per unit area of the coated layer of the can of this invention is measured by the following method.
  • the X-ray intensity la of chromium is measured with respect to the entire sample by an X-ray fluorescence analysis.
  • the non-crystalline hydrated chromium oxide layer is removed by the same method as mentioned above, and the X-ray intensity lb of the remain ing part is measured by an X-ray fluorescence analysis.
  • the amount per unit area of the non-crystalline hydrated chromium oxide layer can be calculated from the difference between the X-ray intensity Ia and the X-ray intensity lb.
  • the remaining part after removal of the noncrystalline hydrated chromium oxide in 1 above is anodically dissolved in an alkaline solution galvanostatically leaving only the base steel.
  • the X-ray intensity lc of chromium is measured by an X-ray fluorescence analysis on the remaining base steel.
  • the combined amount per unit area of the crystalline chromium oxide layer and the metallic chromium layer can be obtained by calculation from the difference between the X-ray intensity Ib and the X-ray intensity of the base steel.
  • the non-crystalline hydrated chromium oxide is removed from the sample using concentrated hot alkali and further the steel sheet and the metallic chromium layer are removed in a solutionof bromine in anhydrous methyl alcohol.
  • the X-ray intensity ofchromium is measured by an electron probe X-ray microanalyzer with respect to the remaining crystalline chromium oxide layer.
  • the amount per unit area of the crystalline chromium oxide can be obtained by calculation from the measured X-ray intensity.
  • the amount per unit area of the metallic chromium layer can be determined from the difference between the combined amount per unit area of the crystalline chromium oxide layer and the metallic chromium layer determined in (2) above and that of the crystalline chromium oxide layer.
  • the amounts per unit area of the coated layers that can be measured by the abovedescribed procedure are obtained as chromium.
  • the can of this invention is free from pin holes, and the adhesion between the coated layer and the base steel sheet and between the adjacent coated layers is extremely good.
  • the coated layers have good resistance to cracks.
  • the cans of this invention have far superior resistance to corrosion to cans obtained from conventional chromium-coated steel sheets.
  • the can of this invention can be used without organic coating, but is especially suitable for use with organic coating, that is another aspect of this invention.
  • Examples 1 to 22 and Comparative Examples 1 to 4 An example of producing a chromium coated steel sheet material for producing the can of this invention, an example of producing a can using this coated steel sheet material. and comparative examples are shown below.
  • Example of Preparing Chromium Coated Steel Sheet Material For Cans The chromium coated steel sheets used in Examples 1 to 22 were produced cathodieally in an aqueous solution containing 50 g/l of chromic acid and 0.25 g/l of sulfuric acid, by adding sodium hydrogen sulfide in the concentration shown in Table l at 50C, using a leadtin (5%) alloy as an anode. The current density and the electrolysis time are indicated in Table l. The pH of the electrolyte was adjusted by controlling the stirring condition of it. The excess amount of the non-crystalline hydrated chromium oxide that deposited under the conditions shown in Table 1 was removed by dipping the coated steel in the bath without electrolysis. The
  • Examples 23 to 26 the cans were deep drawn and ironed 21] dia. cans with a capacity of 350 ml. wherein an epoxy-urea resin enamel layer on the inner surface of the can and a vinyl chloride/vinyl acetate copolymer chromium amount of each of the coated layers is also 5 layer was provided on top of the coated layer. shown in Table 1. 1n Examples 27 to 31, the cans were 301 dia.
  • the cut the blank was cans in which the hook seam portions were bonded by protected by covermg i the d i a heat curable adhesive.
  • the h blank was formefimtoacylmdncal shape havmg 'cans obtained were cans in which an epoxy phenol a height f 125 mm usmg a can P maker and b resin coating layer was provided on the inner surface of edge Portions to much adheswe l been apphed the cans.
  • the can obtained in Example 36 was a can to were heated F about 240 Supenmposed so that which an organic coating was not applied to its inner thefidge porno Whose E protected by the surface.
  • the can obtained in Example 37 was a S-gallon hesive forms part of the 1ns1de surface of the can.
  • the rectangular can in which the hook seam portion and adhesives were bonded to each other to produce a 211- the can end Seam portion were: bonded by a thermm side p Seam can y- Width Of the p Seam of plastic adhesive and a phenol-epoxy resin enamel layer the can body was 5 mm- Th by a rdinary method, was provided on the inner surface of the can. a flange was provided, and the lid was double-seamed.
  • a lacquer consisting of a modified copolymer of vinyl Stora T t chloride and vinyl acetate was applied to the inside of ge the can and baked.
  • Flavor can tion Contents 23 Deep drawn 1.0 0.10 0.20 0.05 no change no Beer and ironed change can 24 do. 1.2 0.08 0.15 0.41 0 5 do. do. Cola 25 do. 0.8 0.11 0.21 0.40 0 5 do. do. Carbonated beverage with dye 26 do. 1.0 0.09 0.18 0.21 0 do. do. Hair spray 27 Deep drawn 1.0 0.10 0.20 0.62 0 5 Vacuum of the do. Saurel can can: seasoned 20 cmHg with tomato sauce 28 do. 1.2 0.08 0.15 0.48 0 5 18 cmHg do. beef cooked in Japanese style 29 do. 0.8 0.11 0.21 0.35 0 5 20 cml'lg do. Pudding 30 do.
  • Tomato puree can Examples 1 to 4 cover examples in which the amounts of the metallic chromium layer and the noncrystalline hydrated chromium oxide layer of the chromium-coated steel sheets constituting the can were maintained constant, but the amount of the crystalline chromium oxide layer was varied. Examples 5 to 8 are similar to Examples 1 to 4 but the amount of the metallic chromium layer was increased over those in Examples 1 to 4 and the amount of the non-crystalline hydrated chromium oxide layer was made smaller. Examples 9 to 13 cover examples in which the amounts of the crystalline chromium oxide layer and the noncrystalline hydrated chromium oxide layer were maintained constant, but the amount of the metallic chromium layer was varied.
  • Examples 14 to 18 cover examples in which the amounts of the metallic chromium layer and the crystalline chromium oxide layer were maintained constant, but the amount of the non-crystalline hydrated chromium oxide layer was varied.
  • Examples 19 to 22 cover examples in which the amounts of all of the layers were varied.
  • Comparative Example 1 covers an example in which only a non-crystalline hydrated chromium oxide layer was formed on the surface of the steel sheet.
  • Comparative Example 2 only a metallic chromium layer was formed on the steel sheet.
  • Comparative Example 3 only a metallic chromium layer and a non-crystalline hydrated chromium oxide layer were formed on the surface of the steel sheet. In Comparative Example 4, neither of these layers was provided.
  • A can at least a part of which is made of a steel sheet at least one surface of which is provided with a three-layered chromium coating consisting of a metallic chromium coating, a crystalline chromium oxide coating and a non-crystalline hydrated chromium oxide coating in this order beginning with the surface of the steel sheet.
  • the can of claim 1 wherein the amounts per unit area of the metallic chromium layer.
  • the crystalline chromium oxide layer, and the non-crystalline hydrated chromium oxide layer, calculated as chromium, are 0.1 to 3 mg/dm 0.01 to 0.2 mg/dm and 0.05 to 0.5 mg/dm", respectively.
  • thermocuring resin enamel selected from the group consisting of a phenol resin, a urea resin, an epoxy resin and mixtures of two or more of these with each other.
  • thermoplastic resin enamel selected from the group consisting of a vinyl chloride resin, acrylic resin and vinyl chloride/vinyl acetate copolymer.
  • said organic coating is composed of a fused coating of a polyethylene resin, polypropylene resin or linear polyester resin.
  • said organic coating consists of a primer of a thermo-curable enamel selected from the group consisting of a phenol resin, urea resin, epoxy resin and mixtures of two or more of these with each other and formed thereon a thermoplastic resin enamel layer selected from the group consisting of a vinyl chloride resin, acrylic resin and vinyl chloride/vinyl acetate copolymer.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
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  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
US420651A 1972-12-05 1973-11-30 Can produced from chromium-coated steel plate Expired - Lifetime US3860398A (en)

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JP12121372A JPS5424352B2 (enrdf_load_stackoverflow) 1972-12-05 1972-12-05

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JP (1) JPS5424352B2 (enrdf_load_stackoverflow)
CA (1) CA1011270A (enrdf_load_stackoverflow)
FR (1) FR2209353A5 (enrdf_load_stackoverflow)
GB (1) GB1435817A (enrdf_load_stackoverflow)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3977839A (en) * 1973-11-21 1976-08-31 The Empire Plating Company Coated metal article and method of coating
US4296182A (en) * 1978-05-08 1981-10-20 Toyo Seikan Kaisha Limited Can composed of electrolytically chromated steel
US4392582A (en) * 1980-05-26 1983-07-12 Toyo Seikan Kaisha Limited Retortable bonded can
US4411964A (en) * 1980-12-24 1983-10-25 Nippon Kokan Kabushiki Kaisha Composite coating steel sheets having good corrosion resistance paintability and corrosion resistance after paint coating
US4432845A (en) * 1982-07-20 1984-02-21 Kawasaki Steel Corporation Method of producing tin-free steel sheets having improved resistance to retorting treatment
US4442181A (en) * 1981-04-23 1984-04-10 Nippon Steel Corporation Steel strip having differentiated multilayer coatings and being useful for manufacturing of cans
US4492740A (en) * 1982-06-18 1985-01-08 Konishiroku Photo Industry Co., Ltd. Support for lithographic printing plate
US4501802A (en) * 1980-06-03 1985-02-26 Nippon Steel Corporation Hydrated chromium oxide-coated steel strip useful for welded cans and other containers
US5168015A (en) * 1989-05-30 1992-12-01 Toyo Kohan Co., Ltd. Composition and method for weldable tin-free steel having a chromium bilayer
US20050118341A1 (en) * 2003-02-18 2005-06-02 Roberto Lanata Rolled product and corresponding production process
CN106184969A (zh) * 2016-08-18 2016-12-07 安徽瑞思威尔科技有限公司 一种牛粪香储酒容器及其制作方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5355342A (en) * 1976-10-30 1978-05-19 Yoshizaki Kozo Primer for heattresistant aqueous adhesive can
US4210259A (en) * 1978-06-08 1980-07-01 Aluminum Company Of America Barrier coated metallic container wall and sheet
GB2054410B (en) * 1979-06-30 1983-09-14 Toyo Seikan Kaisha Ltd Weld seam-coated cans and their production

Citations (6)

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US3479162A (en) * 1966-03-28 1969-11-18 Fuji Iron & Steel Co Ltd Chromium plated steel sheet having an almost colorless and transparent chromate film
US3519542A (en) * 1964-11-12 1970-07-07 Toyo Kohan Co Ltd Process for treating a cathodically chromated metal surface
US3526486A (en) * 1967-02-21 1970-09-01 Nat Steel Corp Corrosion resistant ferrous metal articles and method of preparing the same
US3671205A (en) * 1969-01-22 1972-06-20 Fuji Iron & Steel Co Ltd Metal materials suitable for organic coating
US3677797A (en) * 1969-04-28 1972-07-18 Nippon Steel Corp Method of forming corrosion resistant films on steel plates
US3799814A (en) * 1971-07-06 1974-03-26 Nippon Kokan Kk Chromate treated metal sheet

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* Cited by examiner, † Cited by third party
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US3519542A (en) * 1964-11-12 1970-07-07 Toyo Kohan Co Ltd Process for treating a cathodically chromated metal surface
US3479162A (en) * 1966-03-28 1969-11-18 Fuji Iron & Steel Co Ltd Chromium plated steel sheet having an almost colorless and transparent chromate film
US3526486A (en) * 1967-02-21 1970-09-01 Nat Steel Corp Corrosion resistant ferrous metal articles and method of preparing the same
US3671205A (en) * 1969-01-22 1972-06-20 Fuji Iron & Steel Co Ltd Metal materials suitable for organic coating
US3677797A (en) * 1969-04-28 1972-07-18 Nippon Steel Corp Method of forming corrosion resistant films on steel plates
US3799814A (en) * 1971-07-06 1974-03-26 Nippon Kokan Kk Chromate treated metal sheet

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3977839A (en) * 1973-11-21 1976-08-31 The Empire Plating Company Coated metal article and method of coating
US4296182A (en) * 1978-05-08 1981-10-20 Toyo Seikan Kaisha Limited Can composed of electrolytically chromated steel
US4392582A (en) * 1980-05-26 1983-07-12 Toyo Seikan Kaisha Limited Retortable bonded can
US4501802A (en) * 1980-06-03 1985-02-26 Nippon Steel Corporation Hydrated chromium oxide-coated steel strip useful for welded cans and other containers
US4411964A (en) * 1980-12-24 1983-10-25 Nippon Kokan Kabushiki Kaisha Composite coating steel sheets having good corrosion resistance paintability and corrosion resistance after paint coating
US4442181A (en) * 1981-04-23 1984-04-10 Nippon Steel Corporation Steel strip having differentiated multilayer coatings and being useful for manufacturing of cans
US4492740A (en) * 1982-06-18 1985-01-08 Konishiroku Photo Industry Co., Ltd. Support for lithographic printing plate
US4432845A (en) * 1982-07-20 1984-02-21 Kawasaki Steel Corporation Method of producing tin-free steel sheets having improved resistance to retorting treatment
US5168015A (en) * 1989-05-30 1992-12-01 Toyo Kohan Co., Ltd. Composition and method for weldable tin-free steel having a chromium bilayer
US5374488A (en) * 1989-05-30 1994-12-20 Toyo Kohan Co., Ltd. Welded tin-free steel can
US20050118341A1 (en) * 2003-02-18 2005-06-02 Roberto Lanata Rolled product and corresponding production process
CN106184969A (zh) * 2016-08-18 2016-12-07 安徽瑞思威尔科技有限公司 一种牛粪香储酒容器及其制作方法

Also Published As

Publication number Publication date
JPS4981185A (enrdf_load_stackoverflow) 1974-08-05
JPS5424352B2 (enrdf_load_stackoverflow) 1979-08-20
CA1011270A (en) 1977-05-31
FR2209353A5 (enrdf_load_stackoverflow) 1974-06-28
GB1435817A (en) 1976-05-19

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