Structuring process that stiffens and protects the surface...

Details Structuring process that stiffens and protects the surface... Structuring process that stiffens and protects the surface...

B - Operations, Transporting

21

D

B21D 13/04 (2006.01) A61B 17/80 (2006.01) B21D 15/10 (2006.01) B29C 49/00 (2006.01)

Patent

CA 2248291

Curved material webs (1) and foils are supported by hexagonal support elements (3) and subjected to excess or negative pressure. The support elements (3) are dimensioned so that their geometry corresponds to the freely forming indentation folds (5-10).

Des bandes de matériau (1) et des feuilles incurvées sont supportées par des éléments de support hexagonaux (3) et soumis à une surpression ou à une dépression. Les éléments de support (3) sont dimensionnés de manière que leur géométrie corresponde aux plis de bosselage (5-10) se formant librement.

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