Severable Spout Sampling Bag for Controlled Liquid Dispensing
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Solution Overview
Problem
Existing sampling bags efficiently collect and seal liquid samples but lack an effective method for controlled dispensing of the samples.
Innovation Solution
The sampling bags are designed with a severable spout section at the side edge, which, when severed, forms a pour spout for dispensing liquid, and include a dam wall to prevent backflow, allowing for precise control over the dispensing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional sampling bag without a pour spout is used, then the bag structure is simple and manufacturing is easy, but the liquid sample cannot be dispensed in a controlled manner
Solution Approach 1:
The bag is divided into a main body and a separate pour spout section that can be detached. The pour spout section includes a severable portion that can be cut away to create an opening, allowing controlled dispensing without complicating the main bag structure. This segmentation enables the bag to transition from a simple sealed container to one with controlled dispensing capability.
2Ease of operation
If a pour spout is added to the sampling bag, then controlled pouring is enabled, but the bag structure becomes more complex and manufacturing becomes more difficult
Solution Approach 1:
The pour spout section is pre-formed and integrated into the bag structure during manufacturing, but designed to be easily severed later. The severable portion includes pre-scored lines or weakened sections that allow simple cutting to activate the pour spout function. This preliminary preparation enables easy manufacturing while maintaining the capability for controlled pouring after activation.
3Productivity
If the pour spout section is made large, then liquid flow rate increases, but the amount of liquid that can be contained in the bag decreases
Solution Approach 1:
The pour spout section is designed with localized functionality - a small, optimized opening size that provides sufficient flow rate for dispensing while occupying minimal space in the bag structure. The spout section's geometry is tailored to maximize flow efficiency in a compact form, allowing the majority of the bag volume to be used for liquid storage while maintaining adequate dispensing capability.
Data Source
AI summary
A sampling and pour bag includes a bag body with an interior for receiving a liquid through a sealable opening in the bag body. The bag body includes a severable spout section located at a side edge of the bag body that can be severed to open a pour spout for dispensing liquid from the interior of the bag body.