Plastic Container Seal Assembly for Seam-Free Liquid Tight Pouring
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Solution Overview
Problem
Existing containers and lids often suffer from inadequate sealing mechanisms, leading to leakage and product trapping in seams, which is particularly problematic in liquid-based industries like paint, and they are often made from materials that are costly and not easily recyclable.
Innovation Solution
The development of all-plastic containers with integrally formed seal structures and separate seal rings that eliminate seams, providing a liquid-tight seal and facilitating easy pouring and recycling, while being manufactured from plastic to reduce production costs and increase longevity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional three piece containers with metal seal rings are used, then sealing capability is provided, but seams and joints trap liquid product causing waste and leakage
Solution Approach 1:
The patent merges the container body and seal ring into a single integrally formed plastic component, eliminating the traditional three-piece construction. This integration removes the seams and joints between separate metal and plastic parts, preventing liquid product from becoming trapped while maintaining effective sealing capability through the integrated design.
Solution Approach 2:
The patent transitions from traditional metal seal rings to plastic materials that can be integrally formed with the container body. This material substitution enables seamless construction while providing adequate sealing performance, eliminating the harmful joints created by dissimilar material connections.
2Duration of action of stationary object
If traditional metal containers are used, then durability is provided, but production costs are high and recyclability is limited
Solution Approach 1:
The patent changes the material parameter from metal to plastic, specifically using integrally formed plastic that provides both cost-effectiveness and durability. This parameter change enables easier manufacturing through integral formation processes while maintaining container longevity and improving recyclability compared to traditional metal construction.
Solution Approach 2:
The patent adopts plastic materials that are more economical to produce and recycle than metal, creating a container that is cost-effective for manufacturers and environmentally friendly for disposal or recycling, while still providing sufficient durability for its intended service life.
3Strength
If traditional containers with multiple seams are used, then structural strength is provided, but product leakage occurs through inadequate sealing mechanisms
Solution Approach 1:
The patent combines the container body and seal ring into one integrally formed piece, eliminating the seams and joints that create leakage pathways and air intake points. This merged structure maintains structural strength while removing the harmful sealing deficiencies of multi-piece construction.
Data Source
AI summary
The present disclosure relates generally to containers and container lids. In at least one embodiment, the disclosed containers and container lids include an improved seal structure that forms a liquid-tight seal. For example, in certain embodiments, the improved seal structure is included on a built-in ring around the rim of the container. In some embodiments, the improved seal structure is included on a separate container ring for attaching to a container. In these embodiments, the contents of the container may be poured out of the container such that virtually no excess content is trapped in-between seams.