Molded Fiber Locking Mechanism for Sustainable Packaging
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Solution Overview
Problem
Conventional product packaging often contains non-sustainable materials, such as plastic, which require manual separation for recycling, and is not compatible with existing locking mechanisms, leading to inefficiencies in recycling processes.
Innovation Solution
A locking mechanism made from sustainable fiber materials, such as molded fiber, that is biodegradable, compostable, and recyclable, allowing the entire product package to be recycled together without manual separation, featuring a body portion, end portions, and neck portions that can move between locked and unlocked positions to secure or open the package.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional plastic locking mechanisms are used, then the package can be securely closed, but the package requires manual separation of parts for recycling
Solution Approach 1:
The locking mechanism is merged with the fiberboard packaging material, creating a unified structure where the locking tabs are integrally formed with the package body. This eliminates the need for separate plastic locking components and enables the entire package to be recycled together without manual separation.
Solution Approach 2:
The locking mechanism is made from the same fiberboard material as the package itself, creating material homogeneity. This allows the locking mechanism and package to be processed together in recycling facilities without requiring separation of different material types.
2Reliability
If plastic locking mechanisms are used, then the locking function is achieved, but non-sustainable materials are introduced into the package
Solution Approach 1:
The material composition parameter is changed from synthetic plastic to natural fiberboard, transforming the environmental characteristics of the locking mechanism while maintaining its structural locking functionality through optimized fiberboard design.
Solution Approach 2:
The fiberboard locking mechanism is designed as a disposable component that can be easily replaced and composted, eliminating the need for durable plastic components that persist in the environment. The locking function is achieved through a single-use sustainable material.
3Ease of manufacture
If conventional packaging is used, then existing manufacturing processes are maintained, but compatibility with sustainable locking mechanisms is limited
Solution Approach 1:
The fiberboard locking mechanism is designed with universal compatibility, where the integral locking tabs can be adapted to work with various package configurations and sizes. The same basic locking principle applies across different package types, enhancing versatility while using sustainable materials.
Data Source
AI summary
A product package assembly may include a first member that is coupleable to a second member via a molded fiber locking mechanism. The locking mechanism may include a body portion, a pair of end portions, and neck portions that are positioned between each of the end portions and the body portion. The locking mechanism may be repeatedly moveable between a locked position, in which the first member is coupled to the second member in a closed position, and an actuated position, in which the first member is uncoupled from the second member for rotating the first member away from the second member to position the product package in an open position. The locking mechanism may be formed of fiber materials.