Patent · US Active

Method for producing a mechanical locking system for building panels

US9216541B2 · kind B2 · utility

163Cited by
192References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 3, 2013
Grant dateDec 22, 2015
Priority date
Expiry dateOct 28, 2033

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49629
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

Building panels 1, 1′ provided with a mechanical locking system including a tongue 30, at first edge 4a of a first building panel 1, cooperating with a tongue groove 20, at a second edge 4a of an adjacent second building panel 1′, for vertical locking of the building panels and a method for producing such building panels 1, 1′. The method includes the step of forming the tongue of material of the first edge. The insertion groove (40) may have a sidewall (60) at a third edge (5a), which is adjacent the first edge (4a), and may be open at a fourth edge (5b), which is opposite the third edge.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.