Method for fixing the position of a pull-tab with a steep anti rotation device formed from the panel of a sheet metal cover
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United States of America Patent
Stats
-
Jun 10, 2008
Grant Date -
Dec 14, 2006
app pub date -
Dec 23, 2003
filing date -
Jan 13, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a method for forming a sheet metal lid. At least one projection is formed twice. First, the projection is shaped from a panel of the sheet metal lid, the pre-form being located near an attaching portion of a tab, but at a distance from the mounting place. Second, at least a front edge of the pre-form of the at least one projection is re-formed. No score line is provided in the panel, neither during shaping, nor during re-forming. An improved blocking for an outer edge portion of the attaching portion is thus obtained, the outer edge portion being associated with the front edge.
First Claim
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