Antimicrobial Detectable Cable Tie for Food and Medical Use
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Solution Overview
Problem
Existing cable ties lack antimicrobial properties, leading to bacterial and fungal contamination in humid environments, such as food processing facilities and hospitals, where they can introduce unwanted stains, odors, and pathogens into food or medical equipment.
Innovation Solution
Cable ties are developed with a composition that includes a base plastic, an antimicrobial additive, and a detectable additive, such as metal or X-ray detectable materials, which provide antimicrobial protection and detectability, combined with an antimicrobial metallic barb material, and are manufactured through a process of mixing, melting, and molding to ensure both metal and X-ray detectability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cable ties are used in humid environments (food processing facilities, hospitals), then they provide functional utility for bundling and securing, but bacterial and fungal growth occurs on the surface causing stains, odors, and contamination
Solution Approach 1:
The patent incorporates antimicrobial additives (such as silver ions, zinc pyrithione, or organic antimicrobials) into the cable tie composition, converting the harmful microbial environment into a beneficial antimicrobial effect. The antimicrobial agents are released or activated in response to microbial presence or environmental conditions, transforming the humid, microbe-prone environment from a source of contamination into a condition that triggers protective antimicrobial action.
Solution Approach 2:
The cable tie is formulated as a composite material system combining base plastic (polyamide or polypropylene) with antimicrobial additives and detectable additives. This composite structure integrates multiple functional properties: structural integrity from the base plastic, antimicrobial protection from the antimicrobial additives, and detectability from the detectable additives, allowing the single component to simultaneously provide mechanical function and biological protection.
2Difficulty of detecting and measuring
If detectable additives are incorporated into cable ties for metal and X-ray detectability, then detectability is improved, but the complexity of the composition increases
Solution Approach 1:
The patent merges multiple detectable additives (metal particles for metal detector sensitivity and X-ray opaque particles for X-ray detectability) into a single composite formulation. This consolidation allows the cable tie to simultaneously provide both metal detectability and X-ray detectability through one integrated material system rather than requiring separate components or layers, simplifying the overall structure while maintaining dual detectability functions.
3Reliability
If antimicrobial additives are added to cable tie composition, then antimicrobial protection is achieved, but manufacturing process complexity increases
Solution Approach 1:
The antimicrobial additives are pre-incorporated into the cable tie composition during the compounding stage, before the molding process. This preliminary incorporation ensures uniform distribution of antimicrobial agents throughout the material, eliminating the need for post-manufacturing treatments or applications. The antimicrobial protection is built-in from the start, simplifying the overall manufacturing process while ensuring consistent protective performance.
Data Source
AI summary
Cable ties including an antimicrobial additive and a detectable component as well as methods of making the same. More particularly, cable ties including a composition having a base plastic, an antimicrobial additive and a detectable additive selected from a detectable metal additive, an X-ray detectable additive, and combinations thereof. Also, cable ties including a composition and an antimicrobial metallic barb material wherein the composition includes a base plastic and an antimicrobial additive.