Method for folding sections comprising a hollow body and a coating sheet, and resulting folded section
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United States of America Patent
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Mar 12, 2002
Grant Date -
N/A
app pub date -
Dec 7, 1999
filing date -
Feb 10, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of forming a composite profile including a hollow body with approximately parallel opposite walls and a covering sheet fixed against a first one of the walls includes heating a portion of the composite profile to form a temperature gradient. A hot forming projection is then pressed against a second one of the walls so as to bring the first wall into contact with the second wall at a formed region. At least one section of the profile is then pivoted about the formed region so as to produce a folding line.
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