US 12,441,082 B2
Floor panels
Kristof Van Vlassenrode, Deinze (BE)
Assigned to UNILIN BV, Wielsbeke (BE)
Filed by FLOORING INDUSTRIES LIMITED, SARL, Bertrange (LU)
Filed on Dec. 13, 2023, as Appl. No. 18/538,232.
Application 18/538,232 is a continuation of application No. 17/715,627, filed on Apr. 7, 2022, granted, now 11,904,594.
Application 17/715,627 is a continuation of application No. 16/972,074, granted, now 11,325,347, issued on May 10, 2022, previously published as PCT/IB2019/053808, filed on May 9, 2019.
Claims priority of application No. 2018/5375 (BE), filed on Jun. 6, 2018.
Prior Publication US 2024/0116271 A1, Apr. 11, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. E04F 15/00 (2006.01); B32B 3/06 (2006.01); B32B 5/24 (2006.01); B32B 7/023 (2019.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); E04F 15/02 (2006.01); E04F 15/10 (2006.01)
CPC B32B 7/023 (2019.01) [B32B 3/06 (2013.01); B32B 5/245 (2013.01); B32B 27/08 (2013.01); B32B 27/304 (2013.01); E04F 15/02038 (2013.01); E04F 15/105 (2013.01); E04F 15/107 (2013.01); B32B 2262/101 (2013.01); B32B 2266/0235 (2013.01); E04F 15/02033 (2013.01); E04F 2201/0153 (2013.01); E04F 2201/023 (2013.01); E04F 2201/043 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A floor panel comprising at least a substrate and a top layer, said top layer comprising a decorating layer comprising a decorative printed pattern,
wherein the substrate comprises at least one first layer of a first thermoplastic material and a second layer of a second thermoplastic material, wherein the second layer is adjacent to a first side of the first layer,
wherein said first and second layers comprise polyvinyl chloride (PVC), carbon black pigment and at least 30 weight parts of fillers per 100 weight parts of polyvinyl chloride, wherein said fillers are selected from a list consisting of calcium carbonate and talc, wherein at least one of said first and second layers comprises plasticizers in an amount of less than 12 parts of plasticizers per hundred parts of polymer or is free from plasticizers,
wherein the floor panel is provided, on at least two opposite edges, with coupling means that allow two such floor panels to be coupled together,
wherein said first and second layers have a different colour.