Floating Floor Plank With High-Friction Bottom Surface Stability
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Solution Overview
Problem
In floating floor installations, floor members often shift inadvertently during installation, especially when starting away from a corner or wall, leading to instability and increased movement, which complicates repositioning and installation accuracy.
Innovation Solution
A floor plank with a high friction bottom surface, featuring a meltable hot-melt adhesive material, such as a polyester-based hot-melt adhesive compound, is applied to the substrate layer to provide enhanced frictional resistance without being tacky or sticky, allowing for positional stability without bonding to the floor base.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If floor members are installed without bonding to the floor base to enable floating floor installation, then ease of installation and repositioning is improved, but positional stability deteriorates causing inadvertent shifting
Solution Approach 1:
The patent applies a coating material with variable friction characteristics to the bottom surface of the floor member. The coating material transitions between low friction (when dry) to high friction (when wet or activated), enabling the floor member to be easily moved during installation but remain stable once positioned. This parameter change in friction coefficient resolves the contradiction between ease of installation and positional stability.
Solution Approach 2:
The friction characteristics of the bottom surface are made dynamic rather than static. The coating material allows the floor member to transition between movable and stationary states based on environmental conditions or activation, enabling easy repositioning during installation while providing stability during use. This dynamic behavior resolves the contradiction between ease of operation and stability.
2Shape
If floor members are installed at the center of a room to achieve radial symmetry, then aesthetic appearance is improved, but positional stability deteriorates due to increased potential for inadvertent movement
Solution Approach 1:
The variable friction coating on the bottom surface provides high friction resistance that prevents inadvertent movement of floor members installed at the center of a room. This enables the achievement of radial symmetry assembly patterns without compromising positional stability, as the high friction coating counteracts the increased potential for shifting that occurs when installing away from walls.
3Stability of the object's composition
If high friction material is applied to the bottom surface to prevent shifting, then positional stability is improved, but ease of repositioning deteriorates
Solution Approach 1:
The coating material's friction characteristics are made dynamic, allowing the floor member to be easily moved when the coating is in its low-friction state (dry) while providing high friction resistance when activated (wet). This enables both easy repositioning during installation and stable positioning during use, resolving the contradiction between positional stability and ease of repositioning.
Solution Approach 2:
The friction characteristics of the coating material change periodically or conditionally between low and high states. During installation, the coating can be activated to provide high friction for stability, then deactivated or allowed to dry to provide low friction for repositioning. This periodic or conditional change in friction properties resolves the contradiction between stability and ease of operation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The high friction bottom surface minimizes inadvertent movement and shifting of floor members, facilitating accurate and efficient installation of floating floors, even when starting from the center of a room, by providing sufficient resistance to sliding while allowing for manual placement and repositioning.
Implementation Method 1
A bottom layer of hot-melt adhesive material is provided below the lower surface of the substrate layer and has an exposed bottom surface that forms a high friction bottom surface of the floor member that provides frictional resistance to manual sliding movement of the floor member on the floor base
Data Source
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Figure 6
AI summary
A floor member (10) has a top surface for walking upon and a bottom surface for placement on a floor base as a part of a floating floor installation. The floor member (10) includes a flexible plastic main substrate layer (12) that is sandwiched between a flexible plastic wear layer (26) and a bottom portion (36) formed of meltable adhesive material. The meltable adhesive material has an exposed bottom surface (38) that is the bottom surface of the floor member (10). The exposed bottom surface (38) is non-adhesive and non-tacky at normal room temperature. The meltable adhesive material has frictional properties that enable the floor member (10) to resist manual sliding movement on a floor base but still permit manual sliding movement, thereby providing the floor member (10) with positional stability when placed on a floor base as a part of floating floor installation.