Plastic Container Grip Panels and Support Columns for Top Load Strength
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Solution Overview
Problem
Conventional plastic containers face challenges in balancing structural reinforcement with aesthetics and ergonomics, particularly in handling top loads and internal forces such as vacuum during filling and storage, without compromising appearance or functionality.
Innovation Solution
A plastic container design featuring multifunctional grip components that provide both enhanced top load strength and aesthetic appeal through recessed grip panels and support columns integrated into the dome structure, allowing for branding while reinforcing the container.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If reinforcing structures such as ribs, panels, and waists are added to plastic containers to accommodate forces during filling, sealing, and storage, then the structural strength and stability are improved, but the appearance and ergonomics of the container are deteriorated
Solution Approach 1:
The patent merges the reinforcing structure with the grip panel into a single integrated component. The grip panel is formed as an extension of the container wall itself, creating a recessed panel that provides both structural reinforcement and ergonomic gripping functionality. This eliminates the need for separate reinforcing ribs while maintaining structural integrity.
Solution Approach 2:
The grip panel serves multiple functions simultaneously: it acts as a reinforcing structure to withstand forces during filling and storage, provides an ergonomic gripping surface for handling, and creates a designated area for branding or aesthetic enhancement. This multi-functionality resolves the contradiction by making the structural element also serve aesthetic and ergonomic purposes.
2Strength
If conventional reinforcing structures are added to plastic containers, then the container can withstand top loads and internal forces, but the container complexity and manufacturing difficulty increase
Solution Approach 1:
The reinforcing structure is merged with the grip panel and formed as an integral part of the container wall during the molding process. This integration reduces the number of separate components and simplifies manufacturing compared to conventional designs that require separate reinforcing ribs or panels to be added after molding.
Solution Approach 2:
The dome is segmented into multiple grip panels (first and second grip panels) with support columns positioned between them. This segmentation creates discrete reinforcing elements that are easier to manufacture and assemble while distributing the structural reinforcement throughout the container structure.
Data Source
AI summary
A plastic container comprises a sidewall including an upper end and a lower end, a base connected to the lower end of the sidewall, a dome connected to the upper end of the sidewall, the dome including a finish portion adapted to receive a closure, first and second primary grip panels recessed into the dome, first and second secondary grip panels recessed into the dome, and a plurality of support columns located on the dome, with a support column located between each adjacent pair of primary and secondary grip panels.