Blow Molded Container Protruding View Stripe for Multi-Angle Liquid Level Observation
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Solution Overview
Problem
Blow molded containers with view stripes face difficulties in determining liquid levels due to insufficient light reflection, requiring perpendicular viewing and limited visibility angles.
Innovation Solution
A vertically protruding transparent channel is integrated into the container, allowing liquid level observation from multiple angles and improved light transmission without reflection, using a monolithic blow molding process with an opaque majority and a convex, concave transparent wall portion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a traditional flat view stripe is used, then the container can show liquid level, but light reflection is insufficient and viewing is limited to perpendicular angles
Solution Approach 1:
The view stripe is transformed from a flat two-dimensional surface into a three-dimensional protruding structure with convex outer surface and concave inner surface. This dimensional change creates an external liquid channel that allows light to pass through and be observed from multiple angles without requiring perpendicular viewing, thereby resolving the contradiction between light reflection and viewing angle flexibility
2Object-affected harmful factors
If opaque plastic is used for the container, then UV shielding and identification are improved, but liquid level observation becomes difficult from a distance
Solution Approach 1:
The container wall is segmented into two distinct portions: an opaque wall portion that provides UV shielding and identification, and a transparent view stripe portion that allows liquid level observation. This segmentation enables both functions to coexist without compromising either UV protection or visibility
Solution Approach 2:
The container structure employs local quality by making only the view stripe portion transparent while keeping the majority of the container opaque. This localized transparency allows liquid level observation without sacrificing the UV shielding and identification benefits of opaque plastic for the rest of the container
3Ease of operation
If a transparent protruding view stripe is used, then viewing from multiple angles is enabled, but the container structure becomes more complex
Solution Approach 1:
The view stripe is merged with the container wall structure through integral molding, creating a unified monolithic structure where the transparent protruding view stripe becomes an inherent part of the container rather than a separate component. This merging reduces overall device complexity while maintaining multi-angle viewing capability
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
Enables easy liquid level observation from opposite angles and enhanced light transmission, addressing the limitations of traditional view stripes by creating an external channel for better visibility and usability.
Implementation Method 1
light can pass through the protrusion and channel and be observed without having to be reflected back at the viewer
Data Source
AI summary
A monolithic blow molded container is configured to hold liquids. A majority portion of the container is opaque and the container has an upper opening configured and adapted to allow liquid to be dispensed from the cavity of the container. The container also has a vertically oriented viewing stripe that bulges outward from the majority portion of the container in a manner such that liquid in the container can be observed through the transparent viewing stripe from two opposite viewing angles.