Biodegradable Cable Tie Sealing for Tamper-Evident Packaging
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Solution Overview
Problem
Conventional packaging systems have a significant environmental impact due to excessive material usage and non-biodegradable materials, lacking effective sustainable solutions for secure sealing and labeling.
Innovation Solution
A packaging sealing device comprising a band and cable tie fastener with a locking mechanism, using biodegradable materials and a transparent sleeve for labeling, which secures around a box in a tamper-evident and tamper-proof manner, preventing removal without cutting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional packaging materials are used for sealing, then secure sealing is achieved, but environmental impact increases due to non-biodegradable materials
Solution Approach 1:
The patent changes the material parameter from conventional non-biodegradable plastic to biodegradable materials such as plant-based polymers, starch blends, or cellulose-based materials. This parameter change maintains the sealing function while eliminating the environmental harm of persistent plastic waste.
Solution Approach 2:
The patent employs composite materials combining biodegradable polymers with natural fibers (jute, hemp, sisal) or plant-based components. These composite structures provide both the mechanical strength needed for secure sealing and the biodegradability required for environmental sustainability.
2Strength
If excessive material is used for packaging, then product protection is improved, but material usage and environmental footprint increase
Solution Approach 1:
The patent divides the packaging system into separate functional components: a minimal protective container and a separate sealing device (cable tie with band). This segmentation allows each component to be optimized for its specific function with minimal material, rather than using excessive material throughout the entire packaging system.
Solution Approach 2:
The patent uses flexible thin-film bands combined with cable ties to achieve secure sealing with minimal material. The flexible band wraps around the package and is secured by the cable tie mechanism, providing strong sealing without requiring thick or excessive materials.
3Reliability
If a secure tamper-proof sealing mechanism is implemented, then sealing reliability is improved, but device complexity increases
Solution Approach 1:
The cable tie incorporates a self-locking mechanism where the cable tie body automatically locks onto itself after being pulled through. This self-service locking mechanism provides tamper-proof sealing without requiring external tools, complex actuators, or multiple separate components.
Solution Approach 2:
The patent extracts the locking function from a complex integrated system and implements it through a simple standalone cable tie mechanism. The cable tie body itself contains the locking capability, eliminating the need for separate locks, latches, or complex fastening systems.
4Object-affected harmful factors
If biodegradable materials are used for sealing, then environmental sustainability is improved, but sealing strength may be reduced
Solution Approach 1:
The patent uses composite structures combining biodegradable polymers with natural fibers (jute, hemp, sisal, coconut fiber) to compensate for the lower strength of individual biodegradable materials. The fiber reinforcement provides tensile strength while the polymer matrix provides flexibility and biodegradability.
Solution Approach 2:
The patent applies different material properties to different parts of the sealing system: the cable tie body uses high-strength biodegradable material for the locking mechanism, while the band uses flexible biodegradable material for wrapping. This local optimization ensures each component has the appropriate strength and flexibility for its specific function.
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 solution provides a sustainable, secure, and tamper-evident packaging system that reduces environmental impact by using biodegradable materials and elastic bands for adjustable fit, ensuring secure sealing and labeling without additional tools.
Implementation Method 1
The band may be transitionable from a first dimension to a second dimension, the second dimension substantially approximating a girth of the box, wherein the band is substantially at a maximum dimension when in the second dimension, the band being biased toward the first dimension
Data Source
AI summary
A packaging system and device that includes a container generally defining a rectangular prism configuration, the container including a receptacle including five walls and an opening and a lid that includes a first wall that is configured to cover the opening and four remaining walls that fit around four of the five walls of the receptacle, wherein the container defines a lengthwise direction and widthwise direction, a band that is secured the lengthwise direction of the container and a cable tie fastener that is configured to be secured about the widthwise direction of the container.