Reduced-Layer Pressure-Sensitive Labels for Single-Location Manufacturing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional pressure-sensitive labels require a multi-location, multi-step process for production, involve non-recyclable carriers, additional release layers that increase cost and damage risk, and are not suitable for irregular surfaces or heat-sensitive applications.
Innovation Solution
A pressure-sensitive label construction with reduced layers, where the adhesive is pre-exposed and the ink is protected by a printable layer, allowing single-location manufacturing and improved recyclability, with a configuration that enhances application ease and reduces damage risk.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional pressure-sensitive labels use a multi-layer construction with release layer and carrier, then the label can be stored and handled easily, but the manufacturing process requires multiple locations and steps, increasing production time and cost
Solution Approach 1:
The patent combines the adhesive layer and printable layer into a single integrated layer structure, eliminating the need for separate release layers and carriers. This merging allows the entire label to be manufactured in one location through a single coating process, where the adhesive and printable components are applied simultaneously or sequentially in one manufacturing line, thereby reducing production time and eliminating multi-location requirements
Solution Approach 2:
The label construction is segmented into essential functional layers only (substrate, adhesive layer, printable layer) without unnecessary intermediate layers. This segmentation removes the release layer and carrier that previously required separate handling and processing steps, enabling streamlined single-location manufacturing while maintaining the core functions of adhesion and printability
2Ease of operation
If conventional labels include a release layer between carrier and adhesive, then the label can be easily applied, but the release layer increases cost and creates damage risk during peeling
Solution Approach 1:
The release layer is completely extracted and removed from the label construction. Instead of using a separate release layer that requires peeling and creates damage risk, the patent designs the adhesive layer to be directly applicable to the substrate without the intermediate release layer, eliminating the peeling step and associated damage risks while maintaining application ease through the adhesive's inherent properties
Solution Approach 2:
The adhesive is pre-exposed and positioned in its final configuration during manufacturing, without requiring subsequent peeling of a release layer. The adhesive layer is applied in its active state and maintained in position through the manufacturing process, eliminating the need for release layers and the damaging peeling operation, thereby improving reliability while preserving ease of application
3Manufacturing precision
If the ink layer is exposed on the label surface, then the label can be printed clearly, but the ink is vulnerable to damage and scuffing
Solution Approach 1:
The patent creates a composite structure where the printable layer is integrated with the adhesive layer, forming a unified multi-functional layer. This composite construction allows the printable components to be embedded within or protected by the adhesive matrix, providing mechanical protection against scuffing and damage while maintaining print quality through the printable layer's inherent properties
Solution Approach 2:
The printable elements are nested within or protected by the adhesive layer structure. The adhesive layer acts as a protective envelope for the printable components, shielding them from external damage while allowing the print to be clearly visible and legible, thereby simultaneously achieving print quality and damage resistance
4Strength
If conventional labels use non-recyclable carrier materials, then the label provides structural support, but it creates environmental waste and recycling issues
Solution Approach 1:
The patent eliminates the non-recyclable carrier and release layer components that previously required disposal. By using a substrate-based construction without separate carrier materials, the entire label becomes composed of recyclable or biodegradable materials that can be recovered and processed through standard recycling streams, converting a waste-generating system into one that supports material recovery and environmental sustainability
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 reduces manufacturing time, costs, and material waste while improving application ease and protecting the ink layer, enabling use on irregular surfaces and eliminating the need for heat transfer.
Implementation Method 1
a pressure-sensitive adhesive disposed onto the release layer
Data Source
AI summary
A pressure sensitive label and method for preparing same, the pressure sensitive label comprising: (a) a support portion, the support portion including at least a carrier layer; and (b) a transfer portion over the support portion for transfer of the transfer portion to an article upon application of pressure while the transfer portion is in contact with the article. The transfer portion may include at least (i) a printable layer in contacting relationship with the carrier layer, and (ii) an ink layer positioned such that the printable layer is between the carrier layer and the ink layer.