Patent application number | Description | Published |
20090155621 | Tin-Plated Steel Sheet and Method for Manufacturing the Same - A tin-plated steel sheet includes a plating layer containing tin on at least one surface of a steel sheet, and a chemical conversion coating containing P and tin on the plating layer is provided. In the steel sheet, a coated amount of the chemical conversion coating per surface is 1.0 to 50 mg/m | 06-18-2009 |
20100000632 | LAMINATE STEEL SHEET FOR TWO-PIECE CAN, METHOD FOR PRODUCTION OF TWO-PIECE CAN, AND TWO-PIECE LAMINATE CAN - A laminated steel sheet for a two-piece can body with a high strain level satisfying the following formulae, the polyester resin layer composing the laminated steel sheet having a center line surface roughness (Ra) of 0.2 μm to 1.8 μm: | 01-07-2010 |
20100096279 | PROCESS FOR MANUFACTURING DRAWN CAN FOR AEROSOL AND DRAWN CAN FOR AEROSOL - A laminated steel sheet used as a raw material has a tensile strength TS after forming at an equivalent strain εeq of 1.6 is 800 MPa or less and satisfies 0.25≦tb/to where tb is a sheet thickness at a fracture surface after fracture and to is a sheet thickness before the fracture. In forming the laminated steel sheets, forming is conducted so as to satisfy the relationships below: | 04-22-2010 |
20100116832 | STEEL SHEET FOR CAN AND METHOD FOR MANUFACTURING THE SAME - A steel sheet undergone precipitation strengthening and refinement in crystal grain size by containing at least one element of 0.005% to 0.05% of Nb, 0.005% to 0.05% of Ti, and 0.0005% to 0.005% of B as a chemical composition is produced through continuous annealing. A steel containing at least one element of Nb, Ti, and B is hot rolled, cooled at a cooling rate of 40° C./s or less, and coiled at 550° C. or higher to facilitate precipitation of cementite after recrystallization annealing. As a result, a steel sheet for a can having a tensile strength of 450 to 550 MPa, a total elongation of 20% or more, and a yield elongation of 5% or less is produced. | 05-13-2010 |
20100297465 | SURFACE-TREATED STEEL SHEET, PROCESS FOR PRODUCING THE SAME, AND RESIN-COATED STEEL SHEET - It is an object to provide a surface-treated steel sheet which contains no Cr, which is excellent in wet resin adhesion, and which can be used as an alternative to a conventional tin-free steel sheet and to provide a resin-coated steel sheet produced by coating the surface-treated steel sheet with resin. A surface-treated steel sheet including an adhesive layer which is disposed on at least one surface of the steel sheet and which contains Ti and at least one selected from the group consisting of Co, Fe, Ni, V, Cu, Mn, and Zn, the ratio of the total amount of Co, Fe, Ni, V, Cu, Mn, and Zn to the amount of Ti contained therein being 0.01 to ten on a mass basis, and a method for producing the surface-treated steel sheet. | 11-25-2010 |
20100310824 | LAMINATED METAL SHEET FOR TWO-PIECE CAN BODY AND TWO-PIECE LAMINATED CAN BODY - There is provided a laminated metal sheet used for making a highly processed two-piece can body which endures harsh conditions such as retort treatment, and a two-piece can body made of the laminated steel sheet. A laminated metal sheet for a two-piece can body, including a metal sheet having a polyester resin film layer on each side of the metal sheet, the polyester resin film layer to be the outside of the can body having a crystallization temperature of 60 to 100° C., and the surface of the polyester resin film layer having a center line surface roughness (Ra) of 0.2 to 1.8 μm. The polyester resin film layer to be the outside of the can body is preferably composed of 40 to 100% by mass of a resin composed mainly of butylene terephthalate and 0 to 60% by mass of a resin composed mainly of ethylene terephthalate. | 12-09-2010 |
20110067798 | DI FORMING WATER-BASED COLLANT OF LAMINATED METAL SHEET AND METHOD FOR DI FORMING LAMINATED METAL SHEET - A DI forming water-based coolant of a laminated metal sheet includes at least one kind of base (a) selected from alkanolamines and alkali metal hydroxides, a fatty acid (b), and water (c), wherein the total content of the base (a) and the fatty acid (b) is 0.02 to 4% by mass and the ratio of a straight-chain fatty acid having a carbon number of 6 to 12 in the fatty acid (b) is 80 to 100% by mass. | 03-24-2011 |
20110091741 | METHOD FOR PRODUCING TINNED STEEL SHEET, TINNED STEEL SHEET, AND CHEMICAL CONVERSION SOLUTION - A chemical conversion solution contains greater than 18 to 200 g/L or less of aluminum phosphate monobasic and has a pH of 1.5 to 2.4. A method for producing a tinned steel sheet includes forming an Sn-containing plating layer on at least one surface of a steel sheet such that the mass per unit area of Sn is 0.05 to 20 g/m | 04-21-2011 |
20110104514 | METHOD FOR PRODUCING TINNED STEEL SHEET AND TINNED STEEL SHEET - A method for producing a tinned steel sheet includes forming an Sn-containing plating layer on at least one surface of a steel sheet such that mass per unit area of Sn is 0.05 to 20 g/m | 05-05-2011 |
20110114128 | IRONING METHOD AND IRONING APPARATUS - An ironing apparatus includes an ironing die and an ironing punch, an injection port for injecting gas or liquid to the metal plate at a high pressure to remove substance adhered to the metal plate therefrom, a suction port for sucking the adhered substance removed from the metal plate, and a protrusion mount portion with a protrusion for preventing dispersion of the gas or the liquid. An ironing method for ironing the metal plate having the single surface or both surfaces coated with the organic resin film includes the steps of injecting the gas or the liquid from the injection port to the metal plate at the high pressure to remove the adhered substance from the metal plate, and sucking and collecting the adhered substance removed from the metal plate from the suction port. The adhered substance such as the hair may be removed by the aforementioned invention. | 05-19-2011 |
20110180185 | TINNED STEEL SHEET AND METHOD FOR PRODUCING THE SAME - A tinned steel sheet includes an Sn-containing plating layer disposed on at least one surface of a steel sheet and in which mass per unit area of Sn is 0.05 to 20 g/m | 07-28-2011 |
20110272066 | MANUFACTURING METHOD OF STEEL SHEET FOR CANS - A method provides a slab by continuous casting of a steel having a component composition of, in mass %, C: 0.005% or less, Mn: 0.05 to 0.5%, Al: 0.01 to 0.10%, N: 0.0010 to 0.0070%, B: 0.15×N to 0.75×N (0.15 to 0.75 in terms of B/N), and one or both of Nb: 4×C to 20×C (4 to 20 in terms of Nb/C) and Ti: 2×C to 10×C (2 to 10 in terms of Ti/C), and the balance of Fe and inevitable impurity elements; rough rolling the slab; finish rolling the rough-rolled slab wherein 5% or more and less than 50% of the total amount of rolling reduction in the finish rolling is hot-rolled at a temperature lower than the Ar | 11-10-2011 |
20120000340 | METHOD FOR MANUFACTURING EASY OPEN END - A method of manufacturing an easy open end includes the steps of using a laminated steel sheet with resin films formed on both surfaces of the laminated steel sheet, and forming a panel structure and a score. A score die used for forming the score includes a scoring edge having a cross section in which a tip is a curve and two sides with the tip interposed therebetween are tangent to the curve. The tip is the curve having a curvature radius ranging from 0.2 to 0.4 mm, and the two sides have elevation angles θ in a range of 0.3≦tan θ≦1.0 to an end surface. The panel structure is formed by a motion that is synchronous with a motion in which the score die is pressed to a surface of the laminated steel sheet during the formation of the score. | 01-05-2012 |
20120141232 | LAMINATED STEEL SHEET FOR TWO-PIECE CAN, METHOD FOR MANUFACTURING TWO-PIECE CAN, AND TWO-PIECE LAMINATED CAN - A laminated steel sheet including a polyester resin layer arranged on at least one face of the steel sheet, polyester resin forming the polyester resin layer is obtained by polycondensation of dicarboxylic acid and diol components, the dicarboxylic component contains terephthalic acid as the main ingredient and a copolymerizing ingredient, the diol component comprises ethylene and/or butylene glycol as a main ingredient and a copolymerizing ingredient, the sum of the copolymerizing ingredient in the dicarboxylic acid and the copolymerizing ingredient in the diol component is 8 to 16% by mole in the polyester resin, and the polyester resin layer has 0.06 or less of plane orientation factor. | 06-07-2012 |
20140079886 | METHOD OF PRODUCING TINNED STEEL SHEETS - A method of producing a tinned steel sheet that includes forming an Sn-containing plating layer on at least one surface of a steel sheet with a mass per unit area of Sn is 0.05 to 20 g/m | 03-20-2014 |
20140102907 | TIN-PLATED STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME - A method of manufacturing a tin-plated steel sheet includes forming an Sn-containing plating layer on at least one surface of a steel sheet so that the mass per unit area of Sn is 0.05 to 20 g/m | 04-17-2014 |