Induction-Heated Inserts for Hollow Core Panel Fastening
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Solution Overview
Problem
Conventional methods for attaching metalware to hollow core wood or honeycomb panels are complex and inefficient, limiting their use in the furnishing industry due to the panels' interior hollowness and requiring sophisticated inserts that are difficult to apply.
Innovation Solution
The use of cylindrical inserts made of zinc aluminum and magnesium alloy with heat-meltable adhesive materials and electromagnetic induction solenoids to automatically and efficiently attach metalware to hollow core wood or honeycomb panels, allowing for secure fastening without significantly altering the production process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional penetrating fastening methods are used for hollow core wood panels, then the panels can be fastened to solid structures, but the hollow interior prevents effective fastening and requires sophisticated inserts
Solution Approach 1:
The invention extracts the fastening function from the hollow core panel itself and transfers it to a separate solid insert element. The insert is inserted into the hollow panel, providing the necessary solid structure for fastening while the panel maintains its hollow lightweight construction. This separates the conflicting requirements of hollowness (for lightness) and solid fastening (for reliability).
Solution Approach 2:
The solid insert acts as an intermediary element between the hollow panel and the fastening hardware. It provides a solid substrate for screws and other fasteners while being contained within the hollow panel structure. This mediator resolves the contradiction by providing fastening capability without requiring the panel itself to be solid.
2Reliability
If sophisticated inserts with chemical bonding or ultrasonic welding are used, then fastening reliability improves, but the application process becomes complex and difficult to utilize
Solution Approach 1:
The invention employs simple mechanical inserts that can be easily replaced rather than complex inserts requiring specialized bonding processes. The inserts are designed to be inserted and secured through straightforward mechanical means, making them suitable for routine application without specialized equipment or complex procedures.
Solution Approach 2:
The invention replaces complex chemical bonding or ultrasonic welding systems with simple mechanical insertion and securing mechanisms. The inserts are designed to be mechanically secured through the panel structure using standard fastening tools, eliminating the need for sophisticated bonding equipment and processes while maintaining joint strength.
3Reliability
If external layers cooperate with inserts to provide solidity, then fastening is possible, but the process requires multiple operations and reduces productivity
Solution Approach 1:
The invention merges the insert insertion and fastening operations into a single integrated process. The insert is inserted into the panel and immediately provides the solid substrate needed for fastening, combining what would otherwise be separate operations into one efficient step. This eliminates the need for multiple sequential operations involving external layers.
Solution Approach 2:
The inserts are pre-designed and pre-configured with the necessary structural features to provide immediate fastening capability upon insertion. The solid substrate is prepared in advance within the insert itself, eliminating the need for subsequent operations to create or prepare fastening surfaces through multiple layer operations.
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
This method simplifies the attachment of metalware, enhances the structural integrity of hollow core wood or honeycomb panels, reduces energy consumption, and allows for adjustable and modular solutions, making the panels more practical and cost-effective for the furnishing industry.
Implementation Method 1
providing at least one apical layer (5) of heat-meltable or heat-activatable adhesive material arranged on the distal base (4) of said insert (1)
Implementation Method 2
providing at least one top ring-like layer (7) of heat-meltable or heat-activatable adhesive material arranged beneath the proximal external flaring or collar (6) of said insert (1)
Data Source
Figure 1~2
Figure 3~5
Figure 6~8
AI summary
Method for the application of metalware to hollow-cored or honey comb wood panels comprising insert elements structured with at least one distal base (4) and a proximal collar (6) associated with a layer (5, 7) of heat-meltable or heat-activatable adhesive material; introducing the insert (11) into holes (14) through pressure means; simultaneous application of an alternating electronic current of suitable frequency to the reel or solenoid (17) and ensuing electrostatic induction on the metallic elements of the insert (1) with relative heating; activation of the layer (5, 7) of adhesive material arranged on the distal base (4) and on the proximal collar (6) of the insert (1); welding the distal base (4) of the insert (1) in the non-perforated board (12) and of the proximal collar (6) of the insert (1) into the flared opening (15) of the seat (14) on the perforated board (11).