Unit Dose Container Layout to Prevent Moisture Clumping
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Solution Overview
Problem
Water-soluble unit dose cleaning articles in packaging are prone to premature rupture due to accidental water contact, leading to mess, contamination, and clumping, which complicates handling and usage, and increases the risk of chemical transfer to human hands.
Innovation Solution
A packaged product featuring a container with an internal compartment where flexible water-soluble unit dose articles are arranged in a single row, sealed with a specific cross-sectional ratio, and a recloseable mechanism to minimize moisture ingress and prevent clumping, allowing for efficient and convenient dosing without significant increase in handling time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple unit dose articles are arranged randomly within a packaging tub or bag, then the packaging is simple and easy to manufacture, but the articles can rupture prematurely when contacted with water during storage
Solution Approach 1:
The packaging is divided into multiple compartments, with each compartment containing a single unit dose article. This segmentation prevents articles from contacting each other and reduces the risk of premature rupture while maintaining a relatively simple overall packaging structure.
2Ease of operation
If unit dose articles are packaged in tubs or bags with multiple articles arranged randomly, then the packaging is compact, but neighbouring pouches stick to one another requiring additional handling
Solution Approach 1:
Each unit dose article is placed in its own separate compartment, eliminating the need for consumers to manually separate stuck pouches. This segmentation ensures that articles do not stick together while maintaining compact packaging, significantly improving handling convenience and reducing time loss.
3Reliability
If articles are stored in random arrangement, then space utilization is efficient, but moisture transfer causes articles to clump together
Solution Approach 1:
The packaging structure is segmented into multiple compartments, each housing a single unit dose article. This physical separation prevents moisture transfer between articles that would otherwise cause clumping, while the compartmentalized design remains relatively simple and space-efficient.
4Object-affected harmful factors
If consumers handle multiple articles to separate them from clumps, then clumping is broken apart, but chemistry transfer from article surface to human hand increases
Solution Approach 1:
By placing each unit dose article in its own compartment, the packaging eliminates clumping entirely, so consumers never need to handle multiple articles to break them apart. This segmentation approach protects consumers from chemistry transfer while maintaining ease of operation, as articles can be removed individually without manual separation.
Data Source
AI summary
A packaged product including a container wherein the container includes an opening and an internal compartment, and at least two flexible water-soluble unit dose articles held within the internal compartment of the container, wherein the unit dose articles are positioned side-by-side to form a single row of unit dose articles within the container, and wherein the ratio of the largest cross-sectional dimension of the unit dose article to the smallest cross-sectional dimension of the internal compartment is from 1.2:1 to 1:1.8 and a process of its use.