Rotary Capping Gassing Rail With Side Gas Distribution
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Solution Overview
Problem
Existing gassing rail systems in capping machines are constrained in the area where containers and caps converge, limiting space for gas flushing and requiring maintenance delays, especially in high-speed applications and steam-based processes like baby formula packaging.
Innovation Solution
A gassing rail design with a planar body featuring cap and container distribution slots, coupled with inner and outer flange sides, and a bore for fluid passage, allowing gas or steam distribution along the container and cap paths, reducing the need for overhead tubing and accommodating steam use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional overhead gassing rail systems are used, then gas flushing can be provided, but the system consumes excessive maintenance time and is ineffective in steam applications
Solution Approach 1:
The gassing rail is divided into modular sections with interchangeable nozzles. The nozzle assembly can be segmented and replaced independently from the rail body, allowing quick maintenance without disrupting the entire system. This modular segmentation enables steam-compatible nozzles to be swapped in for baby formula applications and standard gas nozzles for other products, eliminating lengthy maintenance delays.
Solution Approach 2:
The system allows changing the physical parameters of the gas delivery mechanism by switching between different nozzle types. Steam-compatible nozzles have different temperature resistance and flow characteristics compared to standard gas nozzles. This parameter change enables the same rail infrastructure to effectively handle both steam flushing for baby formula and traditional gas flushing for other containers.
2Productivity
If high-speed capping operations are implemented, then production volume increases, but the constrained space for gassing rails reduces gas flushing effectiveness
Solution Approach 1:
The gassing rail system transitions from a single-plane overhead configuration to a multi-dimensional arrangement with nozzles positioned at multiple heights and angles. This dimensional expansion allows gas to be delivered from various directions simultaneously, effectively flushing containers even at high speeds where the container movement time is reduced. The multi-level nozzle arrangement creates a three-dimensional gas flow pattern that maintains flushing effectiveness despite increased production velocity.
3Ease of operation
If overhead tubing systems are used for gas delivery, then gas can be supplied to containers, but the system complexity and maintenance requirements increase
Solution Approach 1:
The system merges the gas delivery function directly into the rail structure itself. Instead of separate overhead tubing running parallel to the rail, the gas delivery nozzles are integrated into the rail body or mounted directly onto it. This consolidation eliminates the need for independent tubing systems, reducing overall system complexity while maintaining effective gas delivery capability. The rail becomes both a support structure and a gas distribution system.
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
Enhances gas flushing efficiency by providing a low-profile, side-based gas distribution system that reduces maintenance time and effectively purges containers and caps, even in high-speed and steam-based applications.
Implementation Method 1
a bore extends through the gassing rail generally between the outer side and the inner side of the gassing rail, the bore defining a fluid passage having an inlet located at the outer side and an outlet located at an area of the inner side
Implementation Method 2
the upper surface having at least one cap gas or steam distribution slot defining a longitudinally extending cap path, the lower surface having at least one container gas or steam distribution slot defining a longitudinally extending container path
Data Source
AI summary
The present invention provides a gassing rail for gas or steam flushing containers and caps on a rotary capping machine. The gassing rail defines an inner side and an outer side with respect to the rotary capping machine, the gassing rail includes a generally planar body, an upper surface formed on the generally flat planar body, the upper surface having at least one cap gas or steam distribution slot defining a longitudinally extending cap path, the cap gas or steam distribution slot includes an infeed end and an exit end, a lower surface formed on the generally flat planar body, the lower surface having at least one container gas or steam distribution slot defining a longitudinally extending container path, the container gas or steam distribution slot includes an infeed end and an exit end, a bore extends through the gassing rail generally between the outer side and the inner side of the gassing rail, the bore defining a fluid passage having an inlet located at the outer side and an outlet located at an area of the inner side; and a fitting coupled to the inlet at the outer side, the fitting adapted to be coupled to a tubing supplying a source of gas or steam, whereby the source of gas or steam is routed from the outer side to the outlet at the inner side via the bore. In another embodiment, the present invention provides a gassing rail for gas or steam flushing containers and caps on a rotary capping machine, the gassing rail defines an inner side and an outer side with respect to the rotary capping machine. The gassing rail includes a generally planar body, an upper surface formed on the generally flat planar body, the upper surface having at least one cap gas or steam distribution slot defining a longitudinally extending cap path, the cap gas or steam distribution slot includes an infeed end and an exit end, a lower surface formed on the generally flat planar body, the lower surface having at least one container gas or steam distribution slot defining a longitudinally extending container path, the container gas or steam distribution slot includes an infeed end and an exit end, an inner flange side gassing rail is coupled to the planar body along the inner side, the inner flange side gassing rail having at least one container gas or steam side distribution slot defining a longitudinally extending container path, and an outer flange side gassing rail is coupled to the planar body along the outer side, the outer flange side gassing rail having at least one container gas or steam side distribution slot defining a longitudinally extending container path.