Solid body with microstructured surface

Details Solid body with microstructured surface Solid body with microstructured surface

F - Mech Eng,Light,Heat,Weapons

15

D

F15D 1/00 (2006.01) B08B 17/00 (2006.01) B08B 17/06 (2006.01) B61D 17/02 (2006.01) B62D 35/00 (2006.01) B63B 1/34 (2006.01) B63B 1/36 (2006.01) B64C 21/10 (2006.01) F15D 1/06 (2006.01) F15D 1/10 (2006.01) F15D 1/12 (2006.01) F16L 55/24 (2006.01) F16L 58/00 (2006.01) G02B 1/11 (2006.01) G02B 5/02 (2006.01)

Patent

CA 2447217

The invention relates to a solid body of plastic, glass, ceramic or metal which has at least partially a microstructured surface with rows oriented in a preferential direction of cross-sectionally trapezoidal or wedge-shaped denticles, characterized in that the denticles have minima and maxima in height (H) which lie in the range from 0 mm to 2 mm, and the minima and maxima follow one another periodically with amplitudes in the range from 0.005 to 20 mm, and the spacing of the rows of neighboring denticles in relation to one another is 0.002 mm to 5 mm, it being possible for the valleys between the rows to be planar, curved or tapered, and the cross-sectionally trapezoidal or wedge-shaped denticles have a wedge angle (.alpha.) in the range from 15 to 75°.

La présente invention concerne un corps solide en plastique, en verre, en céramique ou en métal, qui présente au moins partiellement une surface microstructurée avec des rangées orientées dans une direction préférée de sillons trapézoïdaux ou crantés. L'invention se caractérise en ce que les sillons présentent en hauteur (H) des minima et des maxima qui valent de 0 mm à 2 mm, les minima et les maxima se succédant de façon périodique avec des amplitudes de 0,005 à 20 mm, et en ce que l'espace entre les rangées de sillons voisins vaut de 0,0002 mm à 5 mm. Selon l'invention, les creux entre les rangées peuvent se rejoindre de façon plane ou en formant un angle aigu, et les sillons de section trapézoïdale ou crantée forment un angle (.alpha.) de 15 à 75·.

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