Plastic-Metal Joint Reinforcement via Stitching and Adhesive
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Solution Overview
Problem
Existing methods for mechanically integrating plastic components with other materials, such as metals, often result in joints that are insufficiently strong to withstand pressurization and external manipulation, as adhesives alone fail to provide adequate mechanical stability.
Innovation Solution
The use of stitching with nylon or other materials as reinforcement in adhesive joints between plastic and non-plastic components, combined with the application of adhesives to ensure a secure and flexible bond, provides enhanced mechanical stability and resistance to pressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If adhesives are used to join plastic components with other materials, then the joint can be formed with ease of manufacture, but the mechanical strength and resistance to pressurization are insufficient
Solution Approach 1:
The patent combines adhesive bonding with stitching reinforcement to create a composite joint system. The adhesive provides the base bonding while the stitching material (thread, wire, or rod) reinforces the joint to withstand pressurization and external manipulation, resolving the contradiction between ease of manufacture and mechanical strength.
Solution Approach 2:
The joint reinforcement is divided into discrete stitching elements distributed along the joint line. This segmentation allows the reinforcement to be applied selectively at critical stress points while maintaining ease of manufacture through standardized stitching patterns and processes.
2Reliability
If adhesives are used to join components, then the joint can be formed quickly, but the contact area deteriorates from external manipulation
Solution Approach 1:
The stitching reinforcement is applied locally at the joint contact areas rather than throughout the entire component. This localized reinforcement protects the vulnerable adhesive bonds from external manipulation while maintaining overall joint stability without excessive complexity.
Solution Approach 2:
The stitching material is positioned and secured through preliminary stitching actions before final assembly completion. This preliminary reinforcement prevents contact area deterioration during subsequent handling and assembly operations, ensuring joint reliability without requiring complex post-assembly modifications.
3Adaptability or versatility
If standard molding procedures are used to create single-piece plastic molds, then gas or liquid tightness is ensured, but design flexibility and material selection are limited
Solution Approach 1:
The mold or product is divided into multiple separately molded components that are subsequently joined using adhesive and stitching. This segmentation enables design flexibility by allowing different materials and molding processes for each component while the adhesive-stitching combination ensures gas or liquid tightness at the joints.
Solution Approach 2:
Different materials can be used for each component in the multi-component assembly, leveraging the strengths of each material for specific functional requirements. The composite joint system (adhesive + stitching) maintains sealing integrity across material interfaces, enabling adaptability without sacrificing reliability.
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 approach creates mechanically stable joints that maintain flexibility and resist pressurization, outperforming traditional reinforcement methods like bolts or staples by forming a tight seal that prevents gas or liquid leakage.
Implementation Method 1
an adhesive material can be applied to the area where a joint will be formed by integrated components
Implementation Method 2
Using a stitching material, the component pieces may then be stitched together at the joint areas to reinforce the joint areas of contact
Data Source
AI summary
A method for reinforcing joints between one or more components is presented. Adhesive is applied to joint areas of contact between the components and the components are stitched together at the joint areas to ensure that the joints are mechanically stable enough to withstand stresses such as pressurization and external manipulation.