Single-Face Corrugated Packaging with Polymeric Layer
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Solution Overview
Problem
Existing packaging methods face challenges in balancing protection and cost, often requiring multiple materials and labor-intensive processes to effectively safeguard articles during transportation, leading to increased expenses and material usage.
Innovation Solution
A method involving a single-face corrugated substrate with a polymeric non-abrasive layer attached to a 23/23 weight paper web, positioned around an article and between reinforced trays, formed by passing a web through a corrugator, applying glue, and attaching a polymeric film, which is then mounted on a distribution machine for efficient dispensing and wrapping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple packaging materials (foam, additional layers, plastic wrap, cardboard) are used to protect articles, then protection reliability is improved, but packaging material cost and labor cost increase
Solution Approach 1:
The patent applies composite materials by combining a corrugated paper substrate with a polymeric non-abrasive layer to create a single packaging material that provides both structural protection and surface protection. This composite structure eliminates the need for multiple separate packaging materials while maintaining comprehensive protection reliability.
Solution Approach 2:
The patent merges the functions of multiple packaging materials into a single integrated packaging wrap. The corrugated substrate provides structural cushioning and impact resistance, while the polymeric layer provides surface protection, combining what were previously separate packaging components into one unified material system.
2Reliability
If multiple packaging materials and layers are deployed to protect articles, then protection reliability is improved, but shipment weight increases
Solution Approach 1:
The composite structure of corrugated paper with polymeric coating provides high protection-to-weight ratio. The corrugated substrate offers structural strength and impact resistance, while the thin polymeric layer adds surface protection without significant weight penalty, together creating an efficient lightweight packaging solution.
Solution Approach 2:
The polymeric non-abrasive layer functions as a thin film that provides surface protection against scratches and abrasions. This thin film approach delivers effective surface protection while minimizing added weight compared to traditional bulkier protective materials.
3Reliability
If reinforced packaging materials are used to protect articles, then protection reliability is improved, but transportation cost increases
Solution Approach 1:
The composite packaging material provides optimized protection with reduced weight. The corrugated structure delivers structural strength for impact resistance, while the polymeric layer provides surface protection, together creating a lightweight yet highly protective packaging solution that reduces transportation energy requirements.
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 method provides effective protection against scratches and abrasions while reducing packaging material and shipment weight, thereby lowering costs and improving packaging efficiency.
Implementation Method 1
moving at least the second web layer past a first preheater
Implementation Method 2
fluting the second web layer between two or more corrugating rolls forming corrugated flutes therein, compressing the second web layer against one of the corrugating rolls via pressing, vacuum, or positive pressure
Implementation Method 3
applying glue to the corrugation flutes for adherence to the liner
Data Source
AI summary
A single-face corrugated paper substrate with a polymeric layer formed from polyethylene attached to the corrugated (i.e. fluted) side of a twenty-three/twenty-three (23/23) basis weight substrate which is positioned around an article and between opposingly oriented trays formed from reinforced corrugated material is provided. The article enjoys protection from scratches, scrapes, and abrasions by virtue of the surrounding paper, but the shipper enjoys reduced cost by virtue of the reduction in packaging materials and reduction in total shipment weight. A method of forming and deploying the aforementioned substrate is also provided.