Packaging Sealing Member Corrosion Reduction via Fluid Rinsing
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Solution Overview
Problem
Existing packaging assemblies for pourable food products face issues with component longevity and maintenance, particularly in the sealing device, due to corrosion and the need for frequent maintenance.
Innovation Solution
A packaging assembly that includes a dispensing device to cyclically rinse the sealing member with a fluid flow, such as water, to reduce corrosion and extend the lifespan of the sealing components, while minimizing maintenance requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the sealing member is used continuously in the packaging assembly, then productivity is maintained, but corrosion of the sealing member increases and component lifespan decreases
Solution Approach 1:
The patent applies preliminary action by rinsing the sealing member with fluid before and/or after each sealing cycle. This preventive measure removes corrosive residues (such as hydrogen peroxide or food products) before they can cause significant corrosion, thereby extending the sealing member's lifespan while maintaining continuous productivity.
Solution Approach 2:
The patent converts the harmful effect of fluid residues (which cause corrosion) into a beneficial rinsing action. By introducing a fluid delivery system that applies water or other rinsing fluids to the sealing member, the system transforms the potential harm of residue accumulation into a protective cleaning mechanism that extends component life.
2Reliability
If the sealing member is rinsed frequently with fluid, then corrosion is reduced and component lifespan is extended, but device complexity increases
Solution Approach 1:
The patent applies self-service by designing the sealing member with integrated fluid delivery channels and spray nozzles that are part of the sealing device itself. The sealing member rinses itself automatically during or after the sealing cycle, eliminating the need for separate external cleaning systems and reducing overall device complexity.
Solution Approach 2:
The patent merges the rinsing function with the sealing function by integrating the fluid delivery system into the sealing member structure. The spray nozzles, fluid channels, and sealing surfaces are combined into a single integrated component, reducing the number of separate parts and simplifying the overall device architecture.
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
The solution effectively reduces corrosion of the sealing member, prolongs the lifetime of the sealing components, and decreases maintenance needs, enhancing the operational efficiency and reliability of the packaging assembly.
Implementation Method 1
a dispensing device (8) configured to provide a fluid flow (80) cyclically hitting (at least a portion of) the sealing member (70) during operation of the packaging assembly (1)
Data Source
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AI summary
There is described a packaging assembly (1) for forming and sealing a plurality of packages (2) containing a pourable product starting from a tube (3) of packaging material, the packaging assembly (1) comprising: - a longitudinal axis (A) along which the tube (3) advances; - a sealing device (7) configured for cyclically sealing the tube (3) at successive cross-sections thereof and having a sealing member (70) and a countersealing member (72) arranged at opposite sides of the longitudinal axis (A); and - a dispensing device (8) configured to provide a fluid flow (80) cyclically hitting the sealing member (70).