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Knockout for use while necking a metal container, die system for necking a metal container and method of necking a metal container
Knockout for use while necking a metal container, die system for necking a metal container and method of necking a metal container
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机译:缩颈时使用的金属容器的敲孔,缩颈金属容器的模具系统和缩颈金属容器的方法
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摘要
A knockout (18) has a support surface (20) and the support surface (20) has: (i) a first knockout outer diameter (30) capable of supporting the first inner diameter (22) of a container side wall (14) when the knockout (18) is inserted into an opening (12) of the metal container (10) and when the metal container (10) is being necked with a necking die (16); and (ii) a second knockout outer diameter (32) capable of supporting the second inner diameter (24) of the container side wall (14) when the knockout (18) is inserted into the opening (12) of the metal container (10) and when the metal container (10) is being necked with the necking die (16), and wherein the first knockout outer diameter (30) is larger than the second knockout outer diameter (32).
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