The present invention concerns a studded plate (1), comprising a first
longitudinal edge (60) and a second longitudinal edge (61) between which
edges are arranged a main area (90) in the longitudinal direction of the
plate (1) comprising a first type of studs (12), characterized in that
the main area (90) comprises at least one sub area (100), in the
longitudinal direction of the plate (1), comprising at least one first
row of a second type of studs (14, 114, 214) which have an oblong shape
in the longitudinal direction of the plate (1) and at least one adjacent
longitudinal row of a similar stud (14) and/or a third type of studs (13,
113, 213) comprising a longitudinal adjacent border to the first row of
studs (12), wherein studs (14) in the first row are offset in the
longitudinal direction in relation to the studs in the adjacent row(s).