Patent ID: 11859390
Assignee: FLOORING INDUSTIES LIMITED, SARL
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 6:
7. The method of claim 5, wherein said coupling parts consist of a downward-directed upper hook-shaped part, which is situated on the one edge of said pair of opposite edges, as well as an upward-directed lower hook-shaped part, which is situated on the other, opposite edge of said pair of opposite edges, which hook-shaped parts can be engaged behind each other by means of said downward movement;
wherein the upper hook-shaped part consists of a lip which is provided with a downward-directed locking element, whereas the lower hook-shaped part consists of a lip which is provided with an upward-directed locking element;
wherein the locking elements are provided with locking surfaces which at least partially allow the locking in said first direction perpendicular to the plane of the floor panels; and
wherein at least said locking surfaces are manufactured from the material of said substrate by means of planing or scraping treatments.