Plastic Foil Wrapping for Palletized Paper Rolls
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Solution Overview
Problem
Conventional methods for fastening paper product rolls onto pallets using strapping steel are inefficient, costly, and lack effective protection and recyclability.
Innovation Solution
A method involving the use of plastic foil wrapping at multiple stations to securely fasten paper product rolls onto pallets, utilizing a combination of circular and spiral wrapping techniques to create a strong and recyclable package.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If strapping steel is used to fasten paper product rolls onto pallets, then the fastening method is conventional and simple to implement, but the cost increases and recyclability is reduced
Solution Approach 1:
The patent replaces non-recyclable strapping steel with recyclable plastic foil wrapping. The plastic foil can be recovered and recycled after use, eliminating the loss of valuable materials associated with steel strapping that cannot be easily recovered or recycled in the same manner.
Solution Approach 2:
The patent uses plastic foil wrapping as a cost-effective alternative to expensive steel strapping. The plastic foil is a cheaper material that can be easily applied and discarded, reducing both material costs and complexity of the fastening system.
2Ease of manufacture
If strapping steel is used to fasten paper product rolls onto pallets, then the fastening method is conventional, but the effectiveness of product protection and shielding is insufficient
Solution Approach 1:
The patent employs plastic foil wrapping as a flexible shell that envelops the paper product rolls and pallet assembly. This continuous flexible film provides superior protection and shielding compared to discrete steel straps, creating a tight envelope that secures the load and protects against environmental factors.
Solution Approach 2:
The patent creates a composite packaging system by combining plastic foil wrapping with the pallet structure. The foil and pallet work together as an integrated system, where the foil provides continuous protection and the pallet provides structural support, enhancing overall reliability.
3Reliability
If plastic foil wrapping is applied through multiple sequences at multiple wrapping stations, then the package strength and reliability are improved, but the device complexity and process time increase
Solution Approach 1:
The patent divides the wrapping process into multiple sequences and stations, with each station performing a specific wrapping function. This segmentation allows for systematic application of multiple foil layers in an organized manner, achieving strong packaging through structured progression rather than chaotic complexity.
Solution Approach 2:
The patent designs the wrapping system where plastic foil serves multiple functions: it fastens the rolls to the pallet, provides structural reinforcement, offers environmental protection, and creates a secure package envelope. This multi-functionality reduces the need for separate components, simplifying the overall system despite the multi-sequence process.
4Ease of operation
If conventional strapping steel methods are used, then the packaging material is simple to apply, but the cost-effectiveness and material reduction are compromised
Solution Approach 1:
The patent replaces the mechanical fastening system of steel strapping with a wrapping system using plastic foil. This substitution changes the fundamental approach from mechanical lacing to continuous film envelopment, achieving cost-effectiveness through material efficiency and reduced labor requirements.
Solution Approach 2:
The patent adopts plastic foil as a cost-effective, easily applicable packaging material that can be rapidly deployed. The foil is cheaper than steel strapping, easier to apply continuously, and can be efficiently processed through automated wrapping systems, improving overall productivity and cost-effectiveness.
Data Source
AI summary
A method for fastening a paper product roll entity to a pallet by continuous plastic foil. The pallet has a cross direction and a longitudinal direction. A first sequence is repeated at least once. The first sequence includes wrapping the paper product roll entity such that a first continuous foil unwound from a foil head travels over the paper product roll entity and under the pallet, and moving in a cross direction a head of the foil or the pallet having the paper product roll entity on its substantially horizontal plane. After the first sequence, a second sequence is repeated at least once. The second sequence includes wrapping a second continuous foil spirally around the paper product roll entity.