发明名称 |
LAMINATED METAL SHEET FOR TWO-PIECE CAN AND TWO-PIECE LAMINATED CAN BODY (AS AMENDED) |
摘要 |
A laminated metal sheet for a two-piece can includes: a metal sheet; and first and second polyester resin layers formed on outer and inner face sides of the container, respectively. The first polyester resin layer contains polyethylene terephthalate or a copolymerized polyethylene terephthalate with a content of a copolymerized component of less than 6 mol % in a ratio of 30% to 60% by mass, polybutylene terephthalate or a copolymerized polybutylene terephthalate with a content of a copolymerized component of less than 5 mol % in a ratio of 40% to 70% by mass, and a polyolefinic wax in an amount of 0.01% to 3.0% in outer percentage, the second polyester resin layer is a copolymerized polyethylene terephthalate with a content of a copolymerized component of less than 22 mol %, and residual degrees of orientation of the first and the second polyester resin layers are less than 30%. |
申请公布号 |
US2016009444(A1) |
申请公布日期 |
2016.01.14 |
申请号 |
US201314770640 |
申请日期 |
2013.12.26 |
申请人 |
JFE STEEL CORPORATION |
发明人 |
Nakagawa Yusuke;Kitagawa Junichi;Yamanaka Yoichiro;Tobiyama Yoichi |
分类号 |
B65D8/00;B32B1/02;B65D25/14;B32B15/09 |
主分类号 |
B65D8/00 |
代理机构 |
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代理人 |
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主权项 |
1. A laminated metal sheet for a two-piece can, the laminated metal sheet comprising:
a metal sheet; a first polyester resin layer formed on a surface of the metal sheet, the surface forming an outer face side of a container after container formation; and a second polyester resin layer formed on a surface of the metal sheet, the surface forming an inner face side of the container after container formation, wherein the first polyester resin layer contains polyethylene terephthalate or a copolymerized polyethylene terephthalate with a content of a copolymerized component of less than 6 mol % in a ratio of 30% to 60% by mass, polybutylene terephthalate or a copolymerized polybutylene terephthalate with a content of a copolymerized component of less than 5 mol % in a ratio of 40% to 70% by mass, and a polyolefinic wax in an amount of 0.01% to 3.0% in outer percentage, the second polyester resin layer is a copolymerized polyethylene terephthalate with a content of a copolymerized component of less than 22 mol %, and residual degrees of orientation of the first and the second polyester resin layers are less than 30%. |
地址 |
Chiyoda-ku, Tokyo JP |