Patent ID: 9022775
Filing Date: 2015-05-05
Classification: B29C,B29L

Abstract:
1. Device for producing a moulded body having microstructures made of a moulding material, comprising: a container; said container comprises an upper part and a lower part connected to each other, said upper and lower parts form said mould cavity for receiving said moulding material; a mould, said mould includes a micro-structured surface; said lower part of said container includes a mould receiving means and said mould having said micro-structured surface; said lower part of said container is located further away from said rotational axis of said centrifuge than said upper part of said container; said upper part of said container comprises a stamp element and a receiving means for said stamp element; said stamp element comprises a micro-structured surface; said mould having said micro-structured surface being spaced apart from said stamp element; said moulding material resides between said microstructured surface of said stamp element and said micro-structured surface of said mould; said container mounted to a rotatable centrifuge and said container is rotatable about a rotational axis; said stamp element is movable in the direction of said mould of said lower part of said container by means of centrifugal force when said container is rotated producing a moulded body having a first surface formed by said micro-structured surface of said stamp element and a second surface formed by said micro-structured surface of said mould, and, said first and second surfaces of said moulded body are spaced apart from each other.