Pouch Dosing Channel for Late Capsule Insertion
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Solution Overview
Problem
Existing manufacturing processes for oral pouched products risk damage to capsules due to heat, abrasion, impact, or crushing, and suffer from capsule insertion failures.
Innovation Solution
A dosing device that separates the supply of powdered material and capsules, allowing them to be combined only at the last stage before pouch formation, using a powder supply channel and an object delivery device to hold and position the capsule accurately within the pouch.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the capsule is combined with the powder dose at the start of the process, then the dosing process is simplified, but the capsule is exposed to heat, abrasion, impact or crushing during travel
Solution Approach 1:
The dosing device is segmented into separate functional zones: a powder supply channel for delivering powdered material and a separate object delivery device for holding and positioning the capsule. This segmentation allows the capsule to be introduced later in the process, avoiding exposure to harmful conditions during the initial powder dosing and pouch sealing operations.
Solution Approach 2:
The object delivery device preliminarily holds the capsule in a protected position within the powder supply channel before the pouch sealing process begins. This preliminary positioning ensures the capsule is ready for incorporation without having been exposed to damaging conditions, and allows the pouch sealing to be completed before the capsule is fully released into the pouch.
2Productivity
If the capsule is combined with the powder dose at the start of the process, then the manufacturing process is streamlined, but capsule insertion failures occur
Solution Approach 1:
The object delivery device provides feedback control for capsule positioning and release. The device monitors and controls the capsule's position within the powder supply channel and ensures proper release timing, allowing for correction of positioning issues and ensuring reliable capsule incorporation into the pouch without compromising manufacturing efficiency.
Solution Approach 2:
The invention replaces simple mechanical mixing of capsule and powder at the start with a controlled delivery system that uses precise mechanical positioning and timed release mechanisms. This substitution ensures reliable capsule insertion while maintaining streamlined manufacturing through automated control.
3Manufacturing precision
If the capsule is held in the powder supply channel, then the capsule position is controlled, but the device complexity increases
Solution Approach 1:
The object delivery device is designed to perform multiple functions: holding the capsule in a controlled position, positioning it accurately within the powder supply channel, and releasing it at the appropriate time. This multi-functionality reduces the need for separate dedicated components for each function, thereby limiting the increase in overall device complexity while achieving precise capsule position control.
Data Source
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AI summary
A dosing device 100 and method are disclosed for use in the manufacture of a pouched product containing a dose of powdered material P and an object, such as a capsule C. 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 of the dosing device receives the powdered material prior to combination with the object. The object is held in a delivery position by an object delivery device 130 in the powder supply channel 120 for collection by the powdered material as the powdered material moves past the delivery position towards the partially-formed pouch.