Dual Handle Container Drainage and Grip Design

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Solution Overview

Problem

Existing containers for storing and transporting chemicals like organic peroxides lack adequate gripping structures, are difficult to drain completely, and are not readily stackable or storable, posing safety concerns during handling and storage.

Innovation Solution

A plastic container design featuring a sloped front surface, integrated elongated handle, and a base with a single contiguous region of lowest points for easy drainage, along with a square configuration for stackability, optimized for enhanced emptying and safety, meeting UN ratings for organic peroxides.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If known container configurations are used to meet drop test ratings, then safety requirements are satisfied, but gripping structures are inadequate and drainage is difficult

Engineering Contradiction:
Improvesafety during transportationVSAvoidgripping and drainage
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The container base is segmented into multiple drainage regions with multiple lowest points, allowing liquid to drain through multiple pathways simultaneously. This segmentation of the drainage function improves both the ease of operation for complete drainage and maintains safety standards.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The container incorporates handles positioned at multiple vertical levels - an upper handle near the top and a lower handle near the base. This dimensional arrangement in the vertical axis provides multiple gripping options, improving ease of operation for different handling scenarios while maintaining structural integrity for safety.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Ease of operation

If containers are designed for complete drainage, then emptying ability is enhanced, but container structure becomes more complex

Engineering Contradiction:
Improveemptying abilityVSAvoidcontainer structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The drainage holes are integrated directly into the base structure during container manufacturing, merging the drainage function with the base itself. This eliminates the need for separate drainage mechanisms or multiple piercing operations, achieving complete drainage capability while maintaining simple container structure.

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If containers are made square for stackability, then space utilization improves, but gripping and handling becomes more difficult

Engineering Contradiction:
ImprovestackabilityVSAvoidhandling
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The square container body is segmented by adding protruding handles at different locations and heights. This segmentation of the handling function allows the container to maintain its square stackable form while providing multiple gripping points that improve ease of operation.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Handles act as intermediary elements between the user's hand and the square container body. These handles provide ergonomic gripping surfaces that mediate the interaction between the user and the geometrically optimized square container, improving handling without compromising stackability.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentEP3439981B1Dual handle container
Publication Date: 2021.10.06 ARKEMA INC
  • EP3439981B1 patent drawingFigure 1
  • EP3439981B1 patent drawingFigure 2
  • EP3439981B1 patent drawingFigure 3

AI summary

A plastic container configured to store and/or transport liquids, including chemicals such as organic peroxide, includes a top portion, a base portion, and a sidewall that extends between the top portion and the base portion. The top portion has a vent spout and a main spout. The top portion also has a front surface portion having a slanted face and a lip that extends radially from the main spout away from the slanted face. Additionally, the top portion has an integrated handle that defines a maximum handle length that is approximately half of the maximum container length. The base portion has an interior surface and an exterior surface. The exterior surface defines a handle recess.