Patent ID: 8469199

Claim:
A screen element made of elastomeric material and adapted to be arranged in a screen frame, which has at least two longitudinal sides arranged in a longitudinal direction of the screen frame and at least two transverse sides arranged in a transverse direction of the screen frame, wherein the at least two transverse sides are provided with at least one projection and/or at least one recess for locking engagement, in a direction transversely to the plane of the screen element, with a corresponding projection and/or recess on neighbouring screen elements arranged in the screen frame, and wherein the screen element on the at least two longitudinal sides is provided with at least one projection and/or at least one recess for locking engagement, in the longitudinal direction of the screen frame, with a corresponding projection and/or recess on neighbouring screen elements arranged in the screen frame, the screen element further comprising: an underside, wherein the underside has an undercut groove for snap locking to the screen frame, the undercut groove extending in the longitudinal direction of the screen frame to be attached to a longitudinal attachment section of the screen frame; and wherein the elastomeric material adjacent to the undercut groove has two different hardnesses, so that the material on one groove side adapted to face a neighbouring screen element has a lower hardness than the material on the opposite side of the groove.