Container Handle Opening Arch Reinforcement for Sprayer Retention
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Solution Overview
Problem
Existing bulk liquid containers with trigger-actuated sprayer handles often experience accidental dislodgment of the sprayer handle due to looseness over time, caused by product loss or container deformation, which existing securement methods like adhesives and ties fail to prevent effectively, adding expense and complexity.
Innovation Solution
A container design featuring an arched panel and transverse wedge on the top wall, combined with snap lugs and recesses, provides a secure snap-fit mechanism to retain the sprayer handle without additional fasteners or adhesives, reducing flexure and maintaining secure engagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If snap beads are used to secure the sprayer handle in the carrying handle opening, then the sprayer handle can be easily attached and detached, but the snap-fit area loosens over time due to container deformation or product loss, causing the sprayer handle to dislodge
Solution Approach 1:
The patent applies curvature by forming an arch-shaped reinforcement structure within the carrying handle opening. This arch curvature distributes mechanical stresses along its curved geometry, preventing the localized deformation that causes snap-fit loosening. The arch extends vertically along the opening, maintaining the snap-fit area's dimensional stability over time while preserving ease of sprayer handle attachment and detachment.
2Reliability
If adhesives or ties are used to secure the sprayer handle, then retention stability is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The arch-shaped reinforcement structure is integrated directly into the container's carrying handle opening as a self-contained structural feature. It provides the necessary retention stability through its geometric form alone, eliminating the need for separate adhesives, ties, or other additional securing components. The arch serves both as a structural element and a retention mechanism, simplifying the overall device while maintaining reliability.
3Ease of operation
If the carrying handle opening is made larger to accommodate the sprayer handle, then ease of insertion is improved, but structural strength of the top wall decreases, leading to greater deformation
Solution Approach 1:
The patent segments the top wall structure by introducing the arch-shaped reinforcement as a distinct structural element within the carrying handle opening. This segmentation allows the opening to maintain sufficient size for easy sprayer handle insertion while the arch provides localized structural support to prevent excessive deformation. The arch acts as an internal reinforcement that compensates for the reduced structural strength caused by the larger opening.
Data Source
AI summary
An improved container suitable for use with a nesting sprayer handle is provided. The container includes a container handle opening with an improved top wall geometry. The top wall geometry resists deformation to reduce or eliminate accidental dislodgment of a sprayer handle when the sprayer handle is nested in the container handle opening.