Patent ID: 11898356
Assignee: VÄLINGE INNOVATION AB
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 10:
11. Floorboards including a mechanical locking system, the mechanical locking system comprising a locking strip protruding from a first edge of a first floorboard,
wherein the locking strip includes a locking element configured to cooperate with a locking groove at a lower side of a second edge of a second floorboard for locking the first edge and the second edge in a horizontal direction,
wherein the first edge or the second edge includes a tongue configured to cooperate with a tongue groove at the other of the first edge or the second edge for locking of the first edge and the second edge in a vertical direction,
wherein the first edge and the second edge are configured to be assembled by a vertical downward motion of the second edge towards the first edge,
wherein a core of the first floorboard comprises a plastic material and a core of the second floorboard comprises a plastic,
wherein at least said second edge is flexible, wherein said second edge includes a calibrating groove adjacent said locking groove,
wherein the calibrating groove is open towards the locking groove, and
wherein the calibrating groove being adapted to allow the second edge to be pushed towards a sub-floor on which the floorboards are adapted to be arranged to a position wherein the tongue can enter into engagement with the tongue groove.