Embossed tissue
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Solution Overview
Problem
Conventional embossed tissue products in roll form exhibit non-uniform appearance due to compressing of embossments during winding, detracting from their aesthetic appeal and processing issues such as wrinkling.
Innovation Solution
Employing a multi-ply tissue structure with a first ply featuring a repeating pattern of curvilinear and discrete line embossments, and a second ply with micro-embossments, where the embossing patterns on the plies are unregistered, to enhance bulk, softness, and clarity while reducing wrinkling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If conventional dot embossments are used, then the tissue product gains bulk and softness, but the embossments compress and become non-uniform when wound into rolls
Solution Approach 1:
The patent applies curvilinear line elements instead of conventional dot embossments. The curvilinear design creates a more uniform distribution pattern that resists compression deformation when rolled, maintaining embossment clarity and visual uniformity throughout the roll while still providing the desired bulk and softness properties.
2Shape
If embossing depth is increased to improve bulk and softness, then product comfort increases, but wrinkling and processing issues increase
Solution Approach 1:
The curvilinear line elements distribute embossing depth more evenly across the tissue sheet compared to conventional dots. This curved geometry allows the embossments to flex and conform during processing and rolling without creating sharp wrinkles, while still achieving the necessary bulk and softness for product comfort.
3Ease of manufacture
If conventional embossing patterns are used, then manufacturing process is simple, but appearance is non-uniform when rolled
Solution Approach 1:
The curvilinear line element pattern maintains manufacturing simplicity while dramatically improving roll appearance. The curved geometry naturally distributes stress and deformation more evenly during winding, preventing the compression and non-uniformity that plagues conventional dot patterns, thus delivering aesthetic consistency throughout the entire roll.
Data Source
AI summary
The disclosed tissue products have an embossing pattern that is aesthetically pleasing and provides improved product properties, such as good bulk, while reducing processing issues, such as wrinkling. The embossing patterns generally comprise a background and a foreground pattern where the background pattern is the dominate pattern and provides the product with a uniform appearance that connotes femininity, softness and cleansing. The background pattern is preferably formed entirely from open design elements such as first, second and third open, curvilinear line elements, wherein the second and third line elements are discrete, similarly shaped curvilinear line elements that are arranged parallel to one another and spaced apart about 1.0 mm or less.