Liquid Sample Transport Bags with Film-Integrated Absorbers
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for manufacturing transport bags for liquid samples are laborious and costly due to the manual attachment or insertion of absorbent materials like non-woven fabrics or SAP, which complicates the production process.
Innovation Solution
A method involving application of a carrier material containing absorber particles onto film layers before layering, which can be dried and cured, forming an integrated absorber device within the bag, allowing for automated production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If absorbent materials are manually attached or inserted into the transport bag, then the bag can effectively contain liquid samples, but the production process becomes laborious and costly
Solution Approach 1:
The absorbent material is combined with the film layer during the manufacturing process itself, merging two separate components (film layer and absorbent material) into a single integrated structure. This eliminates the need for separate attachment steps and enables automated production while maintaining effective liquid containment.
Solution Approach 2:
The absorbent material is applied to the film layer before the final sealing and packaging steps. By performing this attachment action preliminarily during the manufacturing process rather than as a separate post-processing step, the production flow is streamlined and automation becomes feasible.
2Reliability
If absorbent materials are pre-fabricated and attached to film layers, then the bag can effectively absorb liquid samples, but the production process becomes time-consuming
Solution Approach 1:
The absorbent material and film layer are combined in a single manufacturing step rather than as separate pre-fabrication and assembly steps. This merging of operations eliminates intermediate handling and attachment time, significantly increasing production speed while ensuring the absorbent material is properly positioned for effective liquid absorption.
Solution Approach 2:
The manufacturing process is designed so that the application of absorbent material to the film layer is a continuous operation integrated into the production line, rather than a discrete batch process. This continuity eliminates idle time between steps and maximizes productivity while maintaining absorption capability.
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
Enables efficient, automated manufacturing of transport bags with integrated absorber capabilities, reducing production costs and simplifying the process while ensuring effective liquid containment.
Implementation Method 1
an absorber device for receiving liquid is arranged in the interior space, the device having absorber particles arranged on and/or in a carrier material
Implementation Method 2
a curable plastic and/or adhesive is used as the carrier material. This has the advantage that the absorber particles can be mixed and/or embedded in the still liquid or viscous plastic and/or adhesive, whereupon the plastic and/or adhesive can be applied to at least one of the film layers, where it cures and is thus bonded to the corresponding film layer
Data Source
Figure 1~2
AI summary
In order to produce a transport bag for transporting liquid samples, in particular blood, urine, tissue samples and the like, two film layers made of plastic are placed one on top of the other and connected together such that an interior space is formed between the film layers. Before the film layers are placed one on top of the other, a liquid or viscous carrier material is applied to at least one of the film layers, into which carrier material absorber particles have been or are mixed. The carrier material containing the absorber particles is then dried and/or cooled. Preferably, the carrier material is sprayed or injected or pressed or doctored or spread onto the film layer.