Locking system and flooring board
US8033075B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 15, 2007 |
| Grant date | Oct 11, 2011 |
| Priority date | — |
| Expiry date | Aug 15, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F2201/0517
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A locking system for mechanical joining of floorboards, each of the floorboards comprising a body comprising plywood with several layers; a locking groove which is formed in an underside of and extends in parallel with a first joint edge at a distance from the joint plane, the locking groove having an opening, a bottom, and two side walls; a portion projecting from a lower part of the second joint edge and below the first joint edge and integrated with the body of the board; said projecting portion supporting, at a distance from the joint plane, a locking element for cooperating with the locking groove; said projecting portion being located entirely outside the joint plane as seen from the side of the second joint edge; and the walls of the locking groove comprise at least two layers of the body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.