Discrete die
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United States of America Patent
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Nov 13, 2012
Grant Date -
Dec 17, 2009
app pub date -
Jun 8, 2007
filing date -
Jul 4, 2006
priority date (Note) -
Expired
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Abstract
A discrete die for forming a three-dimensionally curved surface. The discrete die includes a frame and parallel pins which are individually movable in a first longitudinal direction relative to the frame. The pins are arranged in parallel rows and front ends of the pins define the three-dimensionally curved surface. Further included are substantially plate-shaped separating elements and at least one of which is situated between the rows. Also included are pressure elements for pressing against the rows of pins and configured to push off against the frame in the radial direction of the pins. A surface of some of the plate-shaped separating elements extends parallel to the first longitudinal direction, the surface being corrugated in the second longitudinal direction, at least during use of the discrete die.
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