Method for producing hollow body elements, hollow body element, component, follow-on composite tool for producing hollow body elements
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United States of America Patent
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Feb 28, 2012
Grant Date -
Aug 7, 2008
app pub date -
May 24, 2006
filing date -
May 25, 2005
priority date (Note) -
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Abstract
The invention relates to a method for producing hollow body elements (200), for example, nut elements which are applied to components which are normally made of steel (280), in particular, for producing hollow body elements having an essentially quadratic or rectangular external profile (202). Said method consists of cutting individual elements of a profile in the form of a profile rod (1) or a winding after holes (204) have previously been stamped in the profile, a threaded cylinder (206) is subsequently, optionally, formed using a follow-on composite tool (10) which consists of several working stations. The invention is characterized in that a penetrating process and a punching process are carried out in the working station. The invention also relates to hollow body elements (200), components, follow-on composite tools (10) and rolling mills (600, 602).
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