Ultrasonically Bonded Stretch Laminates for Absorbent Article Differentiation
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Solution Overview
Problem
The absorbent article industry faces challenges in differentiating products across brands, tiers, and size lineups using ultrasonically bonded stretch laminates, as changing a single variable may not produce meaningful distinctions for consumers, and adding complexity offsets the benefits of simple ultrasonic laminate construction.
Innovation Solution
Creating arrays of absorbent articles with ultrasonically bonded laminates that differ by multiple variables such as ultrasonic bond shape, pattern, presence of frangible bonds, elastic film basis weight, and nonwoven basis weight, while maintaining design flexibility for best-in-class fit and comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If multiple variables are changed to achieve product differentiation, then consumer noticeability is improved, but device complexity increases
Solution Approach 1:
The patent applies parameter changes by modifying multiple variables within the ultrasonic laminate system including bond shape (e.g., dotted, dashed, solid patterns), bond density, elastic film basis weight, and nonwoven basis weight. These parameter variations enable product differentiation across brands and tiers while maintaining the fundamental simplicity of ultrasonic bonding construction, resolving the contradiction between differentiation capability and construction complexity
Solution Approach 2:
The ultrasonic laminate system serves multiple functions simultaneously: it provides stretch functionality, comfort, fit, and now also product differentiation through varied bond patterns and material properties. This multi-functionality allows a single construction method to address both performance requirements and marketing differentiation needs without increasing complexity
2Device complexity
If single variable is changed in ultrasonic laminate, then construction simplicity is maintained, but consumer noticeability is insufficient
Solution Approach 1:
The patent transitions from single-variable to multi-variable differentiation by adding dimensions of variation including bond shape patterns, bond density, elastic film basis weight, and nonwoven basis weight. This dimensional expansion enables consumers to notice and distinguish product differences while maintaining the simplicity of ultrasonic construction methodology
3Ease of manufacture
If complexity is increased to achieve differentiation, then brand positioning is improved, but manufacturing cost increases
Solution Approach 1:
The patent utilizes parameter changes within the existing ultrasonic laminate framework - varying bond shapes, densities, and material weights - to achieve brand positioning and tier differentiation. These parameter modifications can be implemented through standard manufacturing processes without requiring complex additional hardware or procedures, thus avoiding increased manufacturing costs while still enabling effective brand positioning
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 approach allows for distinctive product differentiation that is noticeable to consumers without increasing complexity, enhancing brand and tier positioning while maintaining the benefits of simple ultrasonic laminate construction.
Implementation Method 1
a plurality of ultrasonic bonds joining the first nonwoven material and the elastic film to form an ultrasonically bonded laminate
Data Source
AI summary
An array including at least two absorbent articles produced by the same manufacturer and/or sold under the same brand name is provided. Each absorbent article has side members made with an ultrasonically bonded laminate. The ultrasonically bonded laminates in the absorbent articles are different, and thereby are distinguishable, by two or more features selected from: ultrasonic bond shape, ultrasonic bond pattern, presence of frangible bonds, elastic film basis weight, first nonwoven primary bond pattern, and first nonwoven basis weight. At least one dimension of the first absorbent article may also be different than at least one dimension of the second absorbent article.