Veneer-Clad Metal Drawer Frame With Inductive Adhesive Curing
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Solution Overview
Problem
Existing methods fail to efficiently transform steel drawer systems into wooden-like appearance with minimal effort while maintaining production advantages, and current wooden drawer systems are costly and complex to integrate with steel frame systems.
Innovation Solution
A method involving a U-shaped cladding section with thermally curable adhesive applied to a metal drawer frame, where the adhesive is heated to cure, bonding veneer side sections to the frame, creating a high-quality wooden appearance with cost-effective assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If steel drawer frames are used for cost reasons, then production cost is reduced and assembly efficiency is improved, but the external appearance becomes monochrome and lacks the quality perception of wooden drawers
Solution Approach 1:
The patent applies veneer (thin wood slices) to the steel drawer frame surface, creating a visual copy of wooden appearance while retaining the steel frame's manufacturing advantages. This allows the drawer to look like high-quality wood without the complexity of solid wood production logistics.
Solution Approach 2:
The patent creates a composite structure by bonding veneer to the steel frame using adhesive. This combines the cost and manufacturing advantages of steel with the aesthetic qualities of wood, resulting in a hybrid material solution that addresses both appearance and production efficiency.
2Shape
If traditional solid wood drawers are used to achieve high-quality appearance, then external appearance and quality perception are improved, but production logistics become considerably more complex and costs increase
Solution Approach 1:
The patent separates the structural function (steel frame) from the aesthetic function (veneer coating). The steel frame provides the drawer structure while the veneer provides the wood appearance, allowing each component to be manufactured independently using optimized processes.
Solution Approach 2:
Instead of using solid wood for both structure and appearance, the patent uses veneer to copy the aesthetic qualities of wood while relying on the steel frame for structural integrity, thereby simplifying production logistics.
3Adaptability or versatility
If wooden drawer systems are developed to offer compatibility with steel drawer frames, then ease of integration is improved, but functionality of steel drawer frames becomes difficult to achieve with wooden or wood-based panel frames
Solution Approach 1:
The patent makes the steel frame universal by allowing it to serve both structural and aesthetic functions. The steel frame can be used with veneer coating to achieve wood-like appearance while maintaining the standardized steel frame's functional compatibility across different drawer systems.
4Ease of manufacture
If veneer is attached using adhesive strips at defined points, then assembly simplicity is maintained, but the quality and uniformity of the bonding is insufficient for high-quality applications
Solution Approach 1:
The patent merges the adhesive application process with the veneer installation process. Instead of separate point attachments, the adhesive is applied continuously or in large areas to the entire veneer piece, ensuring uniform bonding quality while maintaining assembly simplicity through a single-step process.
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 method produces drawers with a realistic wood appearance, assembly is cost-effective and efficient, and integrates seamlessly with existing industrial processes, mimicking wooden drawers with steel frames.
Implementation Method 1
a thermally curable adhesive and optionally an adhesive-free transition section arranged between the adhesive section and the back section, applying further adhesive, in particular liquid adhesive, a heat-reactivated and/or a thermally curable adhesive,on the upper longitudinal edge of the frame or on the inside of the back section of the casing part
Implementation Method 2
cure the thermally post-curing adhesive in the adhesive sections by heating the frame
Data Source
Figure 1
Figure 2
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AI summary
A method for coating a metal drawer front (1) with veneer (2), comprising the following process steps: providing an elongated, U-shaped casing part (4) with a back section (4.r) having a width (b) corresponding to the width (B) of the upper longitudinal edge (1.r) of the front (1), and two side sections (4.1, 4.2) of veneer extending substantially parallel to each other from the back section, the side sections having a height (h) corresponding substantially to the height (H) of the front (1) and a length (l) corresponding substantially to the length (L) of the front (1), wherein the facing inner surfaces of the side sections (4.1i, 4.2i) have an adhesive section (6.1, 6.2) extending over a portion of the height h of each side section (4.1, 4.2) containing a thermally post-curing adhesive and optionally a spacer between the adhesive section (6.1, 6.2) and the adhesive-free transition section (8.) arranged in the back section (4.r).1, 8.2), applying adhesive (10), in particular liquid adhesive, a heat-reactivated or a thermally post-curing adhesive, to the upper longitudinal edge (1.r) of the frame (1) or to the inner side (4.ri) of the back section (4.r) of the sheathing part (4), spreading open the free ends (4.1.a, 4.2.a) of the side sections (4.1, 4.2) of the sheathing part (4), placing the spread-open sheathing part (4) onto the upper longitudinal edge (1.r) of the frame (1) and moving the free ends (4.1a, 4.2a) of the side sections (4.1, 4.2) of the sheathing part (4) towards each other, such that the adhesive sections (6.1, 6.2) on the inner surfaces (4.1i, 4.2i) of the first and second Side sections (4.1, 4.2) are in contact with the outer surface (1.1, 1.2) of the frame (1), and the thermally crosslinkable adhesive in the adhesive sections (6.1, 6.2) of the adhesive (10) is cured, preferably by inductive heating of the frame.