Closing Cap Arrangement With Detachable Components for Recycling
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Solution Overview
Problem
Existing closing cap arrangements made of multiple materials, such as aluminium and plastic, are difficult to recycle efficiently due to the need for material separation, often resulting in the sacrifice of less valuable materials to recycle the more valuable ones.
Innovation Solution
A closing cap arrangement with a detachable connection between the inner and enveloping caps, allowing components to be separated before recycling, minimizing the plastic portion and enabling uniform recycling of other components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If closing cap arrangements are made as material hybrids with multiple components, then functional requirements are met, but material separation becomes time-consuming and economically unviable
Solution Approach 1:
The closing cap arrangement is divided into separable components (enveloping cap and inner cap) connected by a detachable connection, allowing each component to be separated for independent recycling based on material type, thus resolving the contradiction between functional versatility and recycling time
2Productivity
If plastic portions are sacrificed to enable recycling of valuable materials, then recycling efficiency improves, but material waste increases
Solution Approach 1:
By segmenting the closing cap into separable components with a detachable connection, the plastic inner cap can be separated from the metal enveloping cap, allowing both materials to be recycled without sacrificing either, thus improving recycling efficiency while reducing material waste
Solution Approach 2:
The design enables recovery of both plastic and metal materials through separation, rather than discarding the plastic portion, thereby reducing substance loss while maintaining high recycling efficiency
3Ease of manufacture
If detachable connections are implemented for component separation, then recycling simplifies, but device complexity increases
Solution Approach 1:
The detachable connection segments the closing cap into separable components, enabling simplified recycling processes despite the added structural complexity of the connection mechanism itself
Data Source
AI summary
The invention relates to a closing cap arrangement (80) for being disposed on an outlet opening of a vessel realised as a pot or a bottle, the closing cap arrangement having a multipart design, the closing cap arrangement comprising an enveloping cap (81) and an inner cap (82) provided with a connective element for detachably connecting the closing cap arrangement to the outlet opening and realised independently of the enveloping cap, the inner cap and the enveloping cap being connected to each other via a detachable connection realised as a form-fit, substance-to-substance or force-fit connection.