Intermediate Storage for Water-Soluble Unit Dose Articles
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Traditional manufacturing processes for water-soluble unit dose articles face challenges such as premature dissolution due to atmospheric conditions, limited flexibility in packaging, and inefficiencies due to dependency between manufacturing and packing lines, leading to increased production costs and risk of accidental damage.
Innovation Solution
Incorporating an intermediate storage step to condition water-soluble unit dose articles before packing, allowing decoupling of manufacturing and packing lines, which enables flexible packaging and minimizes the risk of premature rupture, thereby optimizing production efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If water-soluble unit dose articles are manufactured and packed continuously without intermediate storage, then production efficiency is improved, but the articles are exposed to atmospheric conditions causing moisture loss and premature dissolution
Solution Approach 1:
The continuous manufacturing and packing process is segmented into distinct stages by introducing an intermediate storage line. This allows the manufacturing line and packing line to operate independently at different speeds, with the intermediate storage acting as a buffer that decouples the two processes while maintaining overall production efficiency.
Solution Approach 2:
The intermediate storage line provides a conditioning period where water-soluble unit dose articles are allowed to equilibrate to atmospheric conditions before packing. This preliminary action ensures moisture content stabilization, preventing premature dissolution during storage and transport, while the buffered system maintains high production rates.
2Productivity
If the packing line operates at high speed to match manufacturing output, then productivity is improved, but flexibility to change container types and sizes is reduced
Solution Approach 1:
By segmenting the manufacturing and packing operations with an intermediate buffer, the packing line can operate at optimal high speed for productivity while independently changing container configurations. The buffer decouples the timing constraints, allowing package changeovers without stopping the manufacturing line.
Solution Approach 2:
The intermediate storage line acts as an intermediary buffer between manufacturing and packing operations. This buffer allows the packing line to change container types and sizes freely while maintaining high-speed operation, as the buffer absorbs any temporary disruptions and continues to supply packed articles.
3Adaptability or versatility
If the manufacturing line speed is reduced to match slow packing operations, then packaging flexibility is improved, but overall production efficiency decreases
Solution Approach 1:
The system segments manufacturing and packing into independent operations connected by an intermediate buffer. This allows the manufacturing line to maintain high speed for maximum throughput while the packing line operates at its own optimal speed and can change package configurations without affecting overall production rates.
4Device complexity
If traditional direct packing without intermediate storage is used, then process complexity is minimized, but the risk of accidental damage and contamination increases
Solution Approach 1:
The intermediate storage line provides a controlled environment where water-soluble unit dose articles can be conditioned and stabilized before packing. This preliminary conditioning action reduces the risk of premature dissolution and accidental damage during subsequent handling and storage, while the added buffer complexity is justified by the significant reliability improvement.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach allows for efficient production by maximizing production rates on both manufacturing and packing lines, reducing the risk of accidental damage, and enabling quick changes in packaging without increasing complexity or costs.
Implementation Method 1
Upon addition to water, the film dissolves releasing the detergent composition into the wash
Implementation Method 2
moisture can move across the water-soluble film meaning the water-soluble unit dose article can equilibrate to surrounding conditions
Implementation Method 3
this can condense in the container resulting in water droplets that can prematurely locally dissolve the water-soluble film
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A process for making a consumer goods product wherein the consumer goods product has a container and at least one water-soluble unit dose article housed within the container and wherein the process has a step of storing the water-soluble unit dose article on an intermediate line.