Strap Assembly for Stock Material Units in Dunnage Conversion
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Solution Overview
Problem
Existing paper-based protective packaging systems face inefficiencies in converting stock material into dunnage, particularly in creating a continuous feed for dunnage conversion machines, as they often require manual handling and have limitations in connecting discrete stock material units seamlessly.
Innovation Solution
A stock material unit for dunnage conversion machines is designed with a three-dimensional body wrapped by a strap assembly, featuring a reinforcement member and adhesive to secure the dunnage configuration, allowing for easy connection of multiple units and efficient conversion into a continuous feed, utilizing a method that includes folding and adhesive securing to maintain the dunnage configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If discrete stock material units are used, then storage and handling are simplified, but continuous feed capability is compromised
Solution Approach 1:
The stock material is divided into discrete units that can be independently stored and handled, while each unit is designed with connection features (adhesive surfaces, interlocking mechanisms) that enable seamless joining to form a continuous feed. This segmentation allows for simplified storage and handling of individual units while maintaining continuous operation capability through proper unit connection.
Solution Approach 2:
Multiple discrete stock material units are merged into a continuous feed arrangement through connection features such as adhesive surfaces and interlocking mechanisms. The strap assembly binds multiple units together, creating a unified continuous structure that feeds seamlessly into the conversion machine, thus combining discrete units into a continuous operational stream.
2Adaptability or versatility
If manual handling is required for unit connection, then connection flexibility is maintained, but operational efficiency is reduced
Solution Approach 1:
The stock material units are designed with self-connecting features including adhesive surfaces and interlocking mechanisms that automatically join units together without requiring complex manual operations. The strap assembly is configured to automatically bind units as they are fed into the conversion machine, enabling the system to service itself and eliminating the need for manual intervention in the connection process.
Solution Approach 2:
Connection features such as adhesive surfaces and interlocking mechanisms are pre-configured on the stock material units during manufacturing. The strap assembly is pre-positioned to bind units together as they enter the conversion machine. These preliminary preparations enable rapid, efficient connection of units without requiring complex manual handling operations during operation.
3Device complexity
If simple strap assembly is used, then device complexity is reduced, but retention of dunnage configuration may be insufficient
Solution Approach 1:
The strap assembly utilizes composite construction combining a base strap with reinforcement members and adhesive elements. The reinforcement members (such as rigid inserts or layered structures) provide mechanical strength to maintain the dunnage configuration, while adhesive surfaces provide additional bonding. This composite approach achieves reliable configuration retention without excessive complexity by integrating multiple functional elements into a unified strap assembly structure.
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
This solution enables efficient conversion of stock material into dunnage with reduced manual interaction, facilitating seamless connection of units and ensuring a continuous feed for dunnage conversion machines, enhancing operational efficiency and ease of use.
Implementation Method 1
an adhesive securing a first end of the strap assembly to an opposite, second end of the strap assembly to retain the dunnage in the stock material unit configuration
Data Source
AI summary
Stock material units that may be used in a dunnage conversion machine. For example, stock material units include sheet material that may be fed into the dunnage conversion machine and may be converted thereby into dunnage.