Inkjet Printing for Unique Absorbent Article Graphics
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Solution Overview
Problem
Conventional absorbent articles are limited in the variety of graphics that can be printed on them due to the size constraints of printing plates, resulting in a maximum of 10 different designs per package, which restricts consumer choice and the ability to convey educational or thematic content effectively.
Innovation Solution
A method and product that allow for an unlimited number of unique graphics to be printed on absorbent articles by using an inkjet printing process and storing graphic data in a memory for sequential printing on sheet materials, enabling each article to have a distinct graphic design seen through either the body or garment contacting surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional printing techniques with printing plates are used, then the printing process is simple and reliable, but the variety of graphics that can be printed is limited to a maximum of 10 per package
Solution Approach 1:
The patent uses digital copying of graphic designs through inkjet printing, where graphical data stored in memory is reproduced on absorbent articles. This allows unlimited variety of graphics to be printed without requiring physical printing plates for each design, thereby increasing adaptability while managing complexity through digital storage and on-demand printing.
2Area of moving object
If the size of ink images is increased to fit larger backsheet material, then fewer graphics can be prepared in the printing plate, but the graphics appear larger and more visible
Solution Approach 1:
The patent transitions from the constraint of physical printing plate area to the unlimited dimension of digital memory storage. By storing graphical data digitally and printing on-demand, the system can accommodate both large visible graphics and unlimited variety of different designs without the trade-off that existed with physical printing plates.
3Adaptability or versatility
If more variety of graphics is provided in one package, then consumer choice and educational content are enhanced, but the printing plate area becomes insufficient to hold all ink images
Solution Approach 1:
The patent replaces the mechanical printing plate system with a digital printing system using inkjet technology. The mechanical constraint of plate area is substituted by digital storage capacity, allowing unlimited variety of graphics to be provided in one package without being limited by physical plate dimensions.
Data Source
AI summary
In one aspect, an absorbent product includes a package and at least n absorbent articles contained in the package (n is greater than 10). Each of the absorbent articles has a body contacting surface and a garment contacting surface. Each of the absorbent articles includes a component material disposed between the body contacting surface and the garment contacting surface. The component material has a printed graphic which is seen through either the body contacting or garment contacting surfaces. The n graphics of the n absorbent articles are different from each other, and preferably have a predetermined association. In another aspect, a method is directed to printing a graphic on a sheet material which will become a component material for the absorbent articles. In another aspect, a method is directed to producing the absorbent product including the package and the n absorbent articles contained in the package.