Invention Grant
- Patent Title: Expanding die and method of shaping containers
- Patent Title (中): 扩大模具和成型容器的方法
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Application No.: US11474581Application Date: 2006-06-26
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Publication No.: US07934410B2Publication Date: 2011-05-03
- Inventor: Gary L. Myers , Anthony Fedusa , Robert E. Dick
- Applicant: Gary L. Myers , Anthony Fedusa , Robert E. Dick
- Applicant Address: US PA Pittsburgh
- Assignee: Alcoa Inc.
- Current Assignee: Alcoa Inc.
- Current Assignee Address: US PA Pittsburgh
- Agency: Greenberg Traurig, LLP
- Main IPC: B21D22/21
- IPC: B21D22/21 ; B21D22/00 ; B21D51/00
Abstract:
The present invention provides an expansion die for manufacturing containers including a work surface including a progressively expanding portion and a land portion; and an undercut portion positioned following the land portion of the work surface. The present invention further provides a process for manufacturing shaped containers including providing a container stock having a first diameter; expanding at least a portion of the container stock to a second diameter with at least one expansion die; and forming an end of the container stock to accept a container lid.
Public/Granted literature
- US20070295051A1 Expanding die and method of shaping containers Public/Granted day:2007-12-27
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