Parquet Plank Stabilizing Layer Offset Bonding
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Solution Overview
Problem
Conventional methods for producing parquet floorboards result in significant waste due to unsuitable lengths of leftover boards and defects, leading to inefficient use of materials and increased processing costs.
Innovation Solution
A process involving the longitudinal cutting of wood boards to form two sections, which are then arranged and bonded in an offset manner to create a continuous board. This board can be cut to any length without generating offcuts, and the bonding process stabilizes defective sections, reducing waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional cutting methods are used to produce bars from boards, then bars of predetermined length can be obtained, but significant material waste (around 30%) is generated due to unsuitable leftover board lengths and defects
Solution Approach 1:
The board is segmented into two sections by a longitudinal cut, allowing flexible arrangement and bonding of sections to create continuous boards of any required length, thereby eliminating waste from fixed-length cutting constraints
Solution Approach 2:
The approach transitions from one-dimensional linear cutting to a two-dimensional arrangement strategy, where board sections are cut longitudinally and bonded in an offset pattern to create continuous boards that can be cut to any length without generating offcuts
2Loss of substance
If boards with knots and defects are used directly, then material utilization is maximized, but the resulting bars lack mechanical stability and fall apart during processing
Solution Approach 1:
By cutting boards longitudinally into sections and bonding them in an offset arrangement, the method segments defective areas so that knots and defects in one section do not compromise the entire bar, maintaining mechanical stability while utilizing more of the original board material
Solution Approach 2:
The bonding agent acts as an intermediary that joins board sections together, creating a composite structure where defective areas are isolated and compensated for by the surrounding sound material from adjacent sections
3Loss of substance
If extensive processing steps such as planing and gluing are applied to solve waste problems, then material utilization improves, but labor and energy expenditure increase significantly
Solution Approach 1:
The longitudinal cutting and offset bonding of board sections is performed in advance to create continuous boards with optimized material distribution, eliminating the need for subsequent planing and extensive gluing operations that would otherwise be required to achieve similar waste reduction
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 process significantly reduces material waste to around 10% and enhances the mechanical stability and climate resistance of the resulting bars, which can be used to produce high-quality parquet planks with reduced processing losses.
Implementation Method 1
the board parts are bonded to one another in an offset manner to form a continuous board
Data Source
Figure 1~4
Figure 5~8
AI summary
The invention relates to a method for producing a parquet plank (1), comprising or consisting of a cover layer (2) and a stabilizing layer (3) arranged on the cover layer (2), wherein the stabilizing layer (3) comprises a plurality of bars (6) arranged at an angle, in particular transversely, to the longitudinal direction (5) of the parquet plank (1), wherein the bars (6) are formed from two board parts (11a, 11b). The invention further relates to a parquet plank and a system.