Pressurized Bottle Sidewall Channel Features
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Solution Overview
Problem
Plastic containers designed for pressurized beverages face challenges in maintaining surface features due to internal pressure, which can lead to distortion or deformation, affecting their integrity and consumer experience.
Innovation Solution
A pressure-resistant thermoplastic container with elongated channels and reinforcement columns in the sidewall, specifically designed to withstand pressures up to 100 pounds per square inch, featuring indented and raised ribs to provide structural support and maintain surface features during filling, distribution, and use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If surface features are molded into the container wall for consumer appeal and grip, then aesthetic appeal and ease of operation are improved, but the surface features become distorted or deformed under internal pressure
Solution Approach 1:
The container wall is designed with non-uniform thickness, featuring thicker reinforced zones at specific locations (such as around openings and at the bottom) while maintaining thinner walls in other areas. This localized thickness variation allows the container to maintain structural integrity and resist pressure-induced deformation at critical areas while preserving aesthetic surface features in non-critical areas.
Solution Approach 2:
The container employs curved and rounded surface features rather than sharp angles or flat surfaces. The rounded bottom, curved sidewalls, and domed closure help distribute internal pressure more evenly across the container wall, reducing stress concentration points that would otherwise cause deformation of surface features.
2Strength
If the container wall is made thicker to resist internal pressure, then strength and reliability are improved, but the container becomes heavier and uses more material
Solution Approach 1:
The container wall is designed with non-uniform thickness, featuring thicker reinforced zones at specific locations (such as around openings and at the bottom) while maintaining thinner walls in other areas. This localized thickness variation allows the container to maintain structural integrity and resist pressure-induced deformation at critical areas while preserving aesthetic surface features in non-critical areas.
3Ease of operation
If surface features are added to enhance grip and aesthetics, then ease of operation and appeal are improved, but the container wall may fail under extreme pressure
Solution Approach 1:
The container wall is designed with non-uniform thickness, featuring thicker reinforced zones at specific locations (such as around openings and at the bottom) while maintaining thinner walls in other areas. This localized thickness variation allows the container to maintain structural integrity and resist pressure-induced deformation at critical areas while preserving aesthetic surface features in non-critical areas.
Solution Approach 2:
The container employs curved and rounded surface features rather than sharp angles or flat surfaces. The rounded bottom, curved sidewalls, and domed closure help distribute internal pressure more evenly across the container wall, reducing stress concentration points that would otherwise cause deformation of surface features.
Data Source
Figure 1
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Figure 4
AI summary
A pressure resistant thermoplastic container (100). The container may include a sidewall and a number of indentations (200) formed in the sidewall. One or more of the indentations may include one or more reinforcements (260) formed therein.