Title:
METHOD AND APPARATUS FOR SHAPING A METALLIC CONTAINER END CLOSURE
Document Type and Number:
WIPO Patent Application WO2006015175
Kind Code:
A3
Abstract:
The present invention describes an apparatus and forming process to manufacture container end closures with improved internal buckle strength. The present invention provides greater material and dimensional control during the forming process by utilizing a pressure sleeve to provide support to at least a portion of an end closure chuck wall and seaming panel radius while placing an end closure countersink in compression during the forming process.
Inventors:
BATHURST JESS N (US)
TRAPHAGEN JAMES D (US)
TRAPHAGEN JAMES D (US)
Application Number:
PCT/US2005/026896
Publication Date:
November 09, 2006
Filing Date:
July 29, 2005
Export Citation:
Assignee:
BALL CORP (US)
BATHURST JESS N (US)
TRAPHAGEN JAMES D (US)
BATHURST JESS N (US)
TRAPHAGEN JAMES D (US)
International Classes:
B21D51/44; B21D11/10
Foreign References:
| US4571978A | 1986-02-25 | |||
| US5685189A | 1997-11-11 | |||
| US6968724B2 | 2005-11-29 |
Other References:
See also references of EP 1773522A4
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