US 2,004,182,036 · Filed 2004-03-08
The Waterproof Joint Seal That Keeps Panels Dry
This patent describes a way to join panels (like flooring or wall pieces) together using a plastic polymer layer that seals the gaps and keeps water out completely. When you push the panels together using built-in connecting hardware, the polymer automatically fills the joint and creates a waterproof barrier.
The plain-English version
What it protects
The claim covers a method and structure for joining multiple panels where each panel has a core, a decorative surface, and edges fitted with mechanical joining hardware. What's protected here is the specific approach of applying a polymer layer to predetermined sections of the panel edges so that when panels are joined together, the polymer layer forms a continuous water-resistant seal in the joint gap. The patent protects both the panel design itself and the process of assembling them to create this sealed joint.
Why it matters
This patent matters because creating truly waterproof joints between panels is a critical challenge in home construction and flooring installation. Water penetration through panel joints can cause rot, mold, and structural damage over time. By embedding the sealant into the panel edges themselves rather than applying it separately after assembly, manufacturers can guarantee consistent, reliable waterproofing without requiring skilled labor during installation. This approach reduces waste, lowers installation costs, and improves product reliability.
Real-world use
If you've ever installed laminate flooring, luxury vinyl plank, or composite wall panels in a bathroom or kitchen, you've likely dealt with the challenge of keeping water out of the seams. This patent's approach would make those seams automatically waterproof the moment the panels click together.
Original USPTO abstract
A joint for panels, the panels comprising a core, a decorative upper surface and edges provided with joining means for positioning the panels towards one another. Predetermined portions of the edges are provided with a layer of polymer. The panels are joined to one another by use of the joining means where the polymer forms a seal in the joint preventing penetration of water into the joint wherein a highly water resistant unit of a plurality of panels is formed.
Patent details
- Publication number
- US 2,004,182,036
- Filing date
- 2004-03-08
- Grant date
- Application — not yet granted
- Assignee
- Ake Sjoberg / Hakan Wernersson / Krister Hansson / Magnus Nilsson / Nils-Erik Engstrom / Sven Kornfalt
- Inventor(s)
- SJOBERG AKE, WERNERSSON HAKAN, HANSSON KRISTER, NILSSON MAGNUS, ENGSTROM NILS-ERIK, KORNFALT SVEN
- CPC class
- E04F15/02005
Want to file your own patent?
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