Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Laminated metal sheet for container, method for producing metal can, and method for evaluating metal sheet moldability

A metal plate, formability technology, applied in chemical instruments and methods, lamination, containers, etc., can solve problems such as a lot of processing time, hinder formability, complex sintering processing, etc., achieve excellent impact resistance, accurate formability, Create easy effects

Active Publication Date: 2016-06-22
JFE STEEL CORP
View PDF4 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this coating process has the following problems: not only the sintering treatment (heating and drying treatment) is complicated, but also requires a lot of processing time, and a large amount of solvent is discharged.
Spherulites are isotropically grown high-order crystalline structures and are very brittle, which significantly hinders formability

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Laminated metal sheet for container, method for producing metal can, and method for evaluating metal sheet moldability
  • Laminated metal sheet for container, method for producing metal can, and method for evaluating metal sheet moldability
  • Laminated metal sheet for container, method for producing metal can, and method for evaluating metal sheet moldability

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0107] Hereinafter, examples of the present invention will be described. In addition, this invention is not limited to the following Example.

[0108] Manufacturing of sheet metal

[0109] Use chrome-plated steel as the metal plate. A steel plate with a thickness of 0.18 mm and a width of 977 mm that was cold-rolled, annealed, and temper-rolled was degreased, pickled, and then chrome-plated to produce a chrome-plated steel sheet. In chrome plating, containing CrO 3 , F - , SO 4 2- After chrome plating and intermediate rinsing in a chromium plating bath containing CrO 3 , F - Electrolysis is carried out in the chemical conversion treatment solution. At this time, adjust the electrolysis conditions (current density, electricity, etc.), and adjust the metal chromium adhesion amount and the chromium hydroxide adhesion amount to 120 mg / m in Cr conversion. 2 , 15mg / m 2 .

[0110] Then, using a metal plate lamination device, the chrome-plated steel sheet obtained as above ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
glass transition temperatureaaaaaaaaaa
thicknessaaaaaaaaaa
thicknessaaaaaaaaaa
Login to View More

Abstract

Provided is a laminated metal sheet for container, having outstanding moldability after having been subjected to heat-treatment such as painting or printing, and being suitable for use in DR cans. Also provided are a method for producing metal can using said metal sheet, and a method for evaluating metal sheet moldability. The crystalline structure of the surface layer of the laminate layer of the laminated metal sheet for container and the crystalline structure inside the laminate layer are controlled to a high degree. More specifically, using the intensity ratio (l2968 / I3085) of Raman band intensity (l3085) at a peak top position in the vicinity of 3085cm-1 and the Raman band intensity (I2968) at a peak top position in the vicinity of 2968cm-1 obtained by laser Raman spectroscopy, this intensity ratio is controlled to a specific range.

Description

technical field [0001] The present invention relates to a laminated metal sheet for containers suitable as a material for lids and bodies of metal cans, a metal can manufactured using the metal sheet, and a metal sheet formability evaluation method for evaluating the formability of a laminated metal sheet for containers. Background technique [0002] Conventionally, metal sheets such as tin-free steel (TFS) and aluminum, which are raw materials for metal cans used in food can packaging, have been coated to improve corrosion resistance, durability, weather resistance, and the like. However, this coating process has the following problems: not only the sintering treatment (heating and drying treatment) is complicated, but also requires a lot of treatment time, and furthermore, a large amount of solvent is discharged. [0003] Therefore, in order to solve these problems, a laminated metal sheet obtained by laminating a thermoplastic resin on a metal sheet has been developed ins...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/09B32B37/06B65D65/40
CPCB65D25/14B65D1/165B32B38/0036B32B38/145B32B2311/00B32B2367/00B32B2439/66B32B15/04B32B15/18B32B2307/4026B32B2307/558B32B2307/714B32B2307/75B32B2439/70B32B15/09B32B27/36B32B2439/00B65D1/12
Inventor 山中洋一郎中川祐介北川淳一中丸裕树
Owner JFE STEEL CORP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com