Stainless Steel Bottle Assembly to Prevent Toxin Leaching

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Solution Overview

Problem

Conventional plastic and aluminum bottles pose health risks due to leaching of toxins like Bisphenol A and contribute to environmental pollution, while existing alternatives have their own ecological and safety concerns.

Innovation Solution

A Bisphenol A-free system comprising a stainless steel container and silicone mouthpiece, which prevents the leaching of plastic compounds and toxins by using only stainless steel and silicone materials, allowing for various interchangeable mouthpiece configurations and easy cleaning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If plastic bottles are used for fluid storage, then they are lightweight and easy to manufacture, but they leach toxins like Bisphenol A into the fluid when subjected to heat cycling and continuous use

Engineering Contradiction:
Improveease of manufactureVSAvoidtoxin leaching
Core Design Contradiction:
Ease of manufactureVSObject-affected harmful factors

Solution Approach 1:

The patent removes plastic material entirely from the fluid storage system, extracting the harmful substance from the system while maintaining the functional requirements of fluid storage and delivery through stainless steel and silicone alternatives

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent changes the material parameter from plastic to stainless steel and silicone, fundamentally altering the chemical composition to eliminate toxin leaching while maintaining durability and safety for fluid contact

Inventive Principle:
Principle #35Parameter changes

2Strength

If aluminum bottles are used for fluid storage, then they provide good durability and protection, but the epoxy-based lining leaches toxins including Bisphenol A into the fluid

Engineering Contradiction:
ImprovedurabilityVSAvoidtoxin leaching
Core Design Contradiction:
StrengthVSObject-affected harmful factors

Solution Approach 1:

The patent removes the epoxy-based lining from the aluminum bottle system, extracting the harmful component while retaining the durable aluminum structure, and further eliminates aluminum by transitioning to stainless steel which does not require toxic linings

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent uses stainless steel as a composite material that inherently provides both durability and safety without requiring additional protective linings, combining the benefits of strength and toxin-free fluid contact in a single material

Inventive Principle:
Principle #40Composite materials

3Ease of operation

If disposable plastic bottles are used, then they eliminate the need for cleaning and maintenance, but they create significant environmental pollution and waste

Engineering Contradiction:
Improveease of operationVSAvoidenvironmental pollution
Core Design Contradiction:
Ease of operationVSLoss of substance

Solution Approach 1:

The patent transitions from a disposable culture to a reusable system, recovering and reusing the stainless steel bottle multiple times, thereby eliminating the need for continuous production of new bottles and reducing environmental waste

Inventive Principle:
Principle #34Discarding and recovering

Solution Approach 2:

The patent designs a universal stainless steel bottle system with interchangeable mouthpieces that can serve multiple functions and users, increasing the value and lifespan of the product while reducing the need for additional single-use items

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Loss of substance

If reusable plastic bottles are used, then they reduce environmental waste compared to disposable bottles, but they still leach toxins when subjected to repeated heat cycling and continuous use

Engineering Contradiction:
Improveenvironmental wasteVSAvoidtoxin leaching
Core Design Contradiction:
Loss of substanceVSObject-affected harmful factors

Solution Approach 1:

The patent changes the material parameter from plastic to stainless steel and silicone, fundamentally altering the chemical stability of the system to eliminate toxin leaching during heat cycling and continuous use while maintaining reusability

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent inverts the disposable concept by creating an extremely durable reusable system that lasts throughout its service life without degrading or leaching toxins, making the 'disposable' phase irrelevant through superior material longevity

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Data Source

PatentEP2547309B1Plastic-free device for fluid storage and delivery
Publication Date: 2018.05.09 PURA STAINLESS LLC
  • EP2547309B1 patent drawingFigure 1
  • EP2547309B1 patent drawingFigure 2
  • EP2547309B1 patent drawingFigure 3

AI summary

In an embodiment, the device comprises a stainless steel container portion, a stainless steel annular portion, and a silicone mouthpiece portion. Fluid or other contents stored in the device only come in contact with the stainless container portion, the stainless steel annular portion, and the silicone mouthpiece portion. The stainless steel container portion, the stainless steel annular portion, and the silicone mouthpiece portion all do not contain plastic, therefore the fluid in contact with these surfaces is not exposed to any toxins or other compounds found in plastic and therefore the leaching of plastic toxins and compounds cannot occur while the fluid is stored in the device. The mouthpiece portion can be any of a number of different varieties, sizes and shapes.