Automated Dunnage Dispensing with Height-Based Void Threshold Control
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Solution Overview
Problem
Existing packaging systems struggle to determine whether dunnage can be added to a container without calculating the void volume, particularly when the void volume is too small to accommodate even compressed dunnage, leading to potential overfilling and inefficient use of dunnage.
Innovation Solution
A packaging system that uses a sensor to detect the height of contents in a container and a controller to indicate the amount of dunnage to dispense based on predetermined criteria, bypassing the dunnage dispenser when the container is too full, without calculating the void volume.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the system calculates the void volume to determine dunnage quantity, then the dunnage dispensing accuracy is improved, but the system complexity and time consumption increase
Solution Approach 1:
The patent extracts the dunnage dispensing function from the void volume calculation system. When the void volume is determined to be insufficient (below threshold), the system bypasses the dunnage dispenser entirely, eliminating the need for complex calculation and dispensing mechanisms in cases where dunnage would be wasted anyway.
Solution Approach 2:
The system performs a preliminary assessment of void volume sufficiency before committing to the full dunnage dispensing process. By evaluating whether the void volume meets the threshold requirement first, the system avoids unnecessary complex operations and resource allocation.
2Productivity
If the system calculates the void volume for each container, then the dunnage distribution efficiency is improved, but the time consumption and operational cost increase
Solution Approach 1:
The system performs a preliminary check of void volume threshold before initiating time-consuming dispensing operations. This preliminary assessment quickly identifies containers that don't meet the minimum void volume requirement, allowing the system to bypass detailed calculations and dispensing for those containers.
Solution Approach 2:
The patent removes the time-consuming void volume calculation and dunnage dispensing steps for containers with insufficient void volume. By extracting these operations from the standard process flow and replacing them with a simple threshold check, the system significantly reduces time consumption while maintaining overall distribution efficiency.
3Reliability
If the dunnage dispenser operates for all containers, then the product protection is improved, but the dunnage waste increases when void volume is insufficient
Solution Approach 1:
The system performs a preliminary evaluation of void volume sufficiency before dispensing dunnage. By checking whether the void volume meets the threshold requirement in advance, the system prevents dunnage from being dispensed into containers where it would be wasted due to insufficient space, thereby reducing substance loss while maintaining product protection for eligible containers.
4Ease of operation
If the system uses automated void volume calculation, then the operator workload is reduced, but the equipment complexity and cost increase
Solution Approach 1:
The patent removes the complex automated void volume calculation and dispensing equipment from the system for containers with insufficient void volume. By extracting these complex functions and replacing them with simple threshold-based decision logic, the system reduces equipment complexity and cost while still providing automated assistance to operators.
Data Source
AI summary
A packaging method includes the steps of (a) detecting whether a height (104) of contents (105) in a container (106) exceeds a predetermined height (112), and (b) indicating how much dunnage to dispense based on predetermined criteria, including whether a detected height exceeds a predetermined height that is less than a height of the container. The indicating step includes indicating a quantity of dunnage to dispense selected from a plurality of predetermined quantities of dunnage. If no detected height is greater than the predetermined height, the indicating step includes indicating that a regular amount of dunnage should be dispensed. And if a detected height is greater than the predetermined height, the indicating step includes indicating that either zero or less than the regular amount of dunnage should be dispensed. The detecting step also can include detecting whether any contents in the container have a height above the height of the container.