Pouch Dosing Channel Layout to Prevent Powder Migration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In the manufacturing process of oral pouched products containing a powdered material and an object, such as a capsule, there is a risk of powder migration and dose disruption due to concurrent air blasts when the capsule is supplied into the powder supply channel, leading to contamination of machinery parts.
Innovation Solution
A dosing device is configured to supply the powdered material and the object separately to the interior volume of a partially-formed pouch, using different or sequential inlets, and controlling air flow to prevent concurrent air blasts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the capsule is supplied into the powder supply channel using concurrent air blasts, then the dosing process is efficient and quick, but powder migration and dose disruption occur causing contamination
Solution Approach 1:
The supply channel is divided into separate powder supply channel and capsule supply channel, with distinct air blast mechanisms for each. This segmentation allows independent control of powder and capsule delivery, preventing powder migration into the capsule channel while maintaining efficient dosing productivity.
Solution Approach 2:
The harmful concurrent air blast mechanism is extracted and replaced with sequential air blast activation. The powder air blast and capsule air blast are separated in time, eliminating the harmful interaction that causes powder migration while preserving the efficiency benefits of pressurized delivery.
2Object-generated harmful factors
If separate supply channels are used for powder and capsule, then powder migration is prevented, but device complexity increases
Solution Approach 1:
While maintaining separate powder and capsule supply channels to prevent migration, the invention merges the delivery mechanism by using a common dosing device housing and synchronized control system. This integration minimizes the increase in device complexity while preserving the benefits of separate material pathways.
3Object-generated harmful factors
If sequential supply method is used, then powder migration is reduced, but manufacturing time increases
Solution Approach 1:
The air blasts are activated in rapid periodic sequence rather than truly sequentially. The powder air blast and capsule air blast occur in quick succession with minimal delay, maintaining high manufacturing speed while preventing powder migration and dose disruption through the periodic separation of material delivery events.
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
Reduces the risk of powder migration and dose disruption, ensuring cleaner manufacturing processes and improved product integrity.
Implementation Method 1
the powder dose is supplied to a powder supply channel by pressurized air
Implementation Method 2
the capsule is supplied separately by pressurized air via a capsule supply channel
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Dosing devices 100, 200, 300, 400 and methods are disclosed for use in the manufacture of a pouched product containing a dose of powdered material P1, P2 and an object, such as a capsule C1. The powdered material and the object are supplied to an interior volume of a partially-formed pouch formed by a substantially continuous pouch material, prior to final sealing of the pouch material and creation of the pouched product. A powder supply channel 120, 220, 320, 420 of the dosing device receives the powdered material prior to combination with the object. An object supply channel 130, 230, 330 may be configured to supply the object to the powder supply channel for combination with the powdered material. The dosing device supplies the object to the powder supply channel such that the object is separate from the powdered material in the powder supply channel prior to supplying the powdered material and the object to the interior volume of the partially-formed pouch.