US 11,680,415 B2
Mechanical locking of floor panels with a flexible bristle tongue
Darko Pervan, Viken (SE); and Agne Palsson, Hasslarp (SE)
Assigned to VALINGE INNOVATION AB, Viken (SE)
Filed by Välinge Innovation AB, Viken (SE)
Filed on Nov. 4, 2021, as Appl. No. 17/518,836.
Application 17/518,836 is a continuation of application No. 16/861,686, filed on Apr. 29, 2020, granted, now 11,193,283.
Application 16/861,686 is a continuation of application No. 15/172,926, filed on Jun. 3, 2016, granted, now 10,669,723, issued on Jun. 2, 2020.
Application 15/172,926 is a continuation of application No. 14/463,972, filed on Aug. 20, 2014, granted, now 9,382,716, issued on Jul. 5, 2016.
Application 14/463,972 is a continuation of application No. 13/728,121, filed on Dec. 27, 2012, granted, now 8,844,236, issued on Sep. 30, 2014.
Application 13/728,121 is a continuation of application No. 13/195,297, filed on Aug. 1, 2011, granted, now 8,359,805, issued on Jan. 29, 2013.
Application 13/195,297 is a continuation of application No. 12/788,384, filed on May 27, 2010, granted, now 8,033,074, issued on Oct. 11, 2011.
Application 12/788,384 is a continuation of application No. 11/775,885, filed on Jul. 11, 2007, granted, now 7,908,815, issued on Mar. 22, 2011.
Application 11/775,885 is a continuation in part of application No. PCT/SE2006/001218, filed on Oct. 27, 2006.
Claims priority of provisional application 60/806,975, filed on Jul. 11, 2006.
Claims priority of application No. 0601550-7 (SE), filed on Jul. 11, 2006.
Prior Publication US 2022/0268031 A1, Aug. 25, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. E04F 15/02 (2006.01); E04B 5/00 (2006.01); E04F 15/04 (2006.01); E04F 15/08 (2006.01); E04F 15/10 (2006.01); E04F 15/18 (2006.01)
CPC E04F 15/02038 (2013.01) [E04B 5/00 (2013.01); E04F 15/02 (2013.01); E04F 15/04 (2013.01); E04F 15/08 (2013.01); E04F 15/10 (2013.01); E04F 15/107 (2013.01); E04F 15/18 (2013.01); E04F 2201/0115 (2013.01); E04F 2201/0138 (2013.01); E04F 2201/0153 (2013.01); E04F 2201/0523 (2013.01); E04F 2201/0547 (2013.01); Y10T 428/167 (2015.01)] 9 Claims
OG exemplary drawing
 
1. A building panel having an edge portion provided with a groove, in which a tongue formed as a separate part is received,
wherein the tongue comprises a tongue body and a protrusion at an edge of the tongue body,
wherein the protrusion and the tongue body are spaced by a space between the protrusion and the tongue body,
wherein the protrusion is bendable into the space, and in the groove, and
wherein an outer part of the protrusion comprises a round shaped protruding part configured to facilitate installations with vertical folding,
wherein the round shaped protruding part is round shaped in a width direction of the tongue, such that a width of the round shaped protruding part varies along a longitudinal direction of the tongue.