Absorbent Article Side Panel and Center Strip Cooperative Arrangement
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Solution Overview
Problem
Current manufacturing methods for garments, such as disposable diapers and pants, face challenges in balancing production speed and complexity, often resulting in either slow production of well-fitting but costly garments or high-speed production of simpler designs with reduced fit and increased costs. There is a need for more flexible design options, improved material selection, and alternative production methods that can adapt existing equipment to increase output.
Innovation Solution
The development of a manufacturing process and design for absorbent articles that incorporates a cooperative arrangement of side panels and a center strip, utilizing double pleating and connecting regions to create a snug fit around the legs, allowing for improved body conformity and increased production efficiency, including the use of multi-lane converters to achieve higher output speeds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated manufacturing uses simple folding and overlaying methods, then production speed increases, but garment shape complexity and body fit deteriorate
Solution Approach 1:
The garment is divided into multiple separate components including front panels, back panels, leg panels, and waistbands that are manufactured independently and then assembled. This segmentation allows each component to be optimized for its specific function while maintaining high-speed automated production of individual pieces, followed by efficient assembly through connecting elements.
Solution Approach 2:
The invention transitions from two-dimensional folding methods to three-dimensional constructed forms using multiple layers and spatial arrangements. Components are positioned in specific three-dimensional configurations with overlapping layers, vertical stacking, and spatial distribution that create complex fitted shapes without requiring complex folding sequences.
2Shape
If automated manufacturing uses complex shaping methods, then garment body fit improves, but production speed decreases
Solution Approach 1:
By segmenting the garment into pre-fabricated components with predetermined shapes and sizes, each piece can be quickly manufactured and stored, then rapidly assembled using standardized connecting mechanisms. This eliminates time-consuming on-site shaping operations while maintaining complex fitted forms through the arrangement of segmented pieces.
Solution Approach 2:
Components are pre-shaped, pre-cut, and pre-assembled into modular units before final garment assembly. The connecting elements are pre-positioned and pre-configured to enable rapid final assembly. This preliminary preparation of components significantly reduces the time required for final garment construction while maintaining complex fitted shapes.
3Shape
If manual intervention is used for garment production, then garment fit and complexity improve, but manufacturing cost and production time increase
Solution Approach 1:
The garment components are designed to self-assemble through inherent connecting mechanisms such as elastic bands, snap fasteners, interlocking structures, and elastic recovery properties. These self-service features enable automated assembly lines to construct complex garments without manual intervention, reducing both labor costs and production time while maintaining high garment complexity and fit quality.
4Productivity
If high-speed machines produce simple articles, then production output increases, but material selection flexibility and design options decrease
Solution Approach 1:
The modular component architecture allows different material types to be assigned to different garment sections based on functional requirements. High-speed production lines can handle various materials including fabrics, foams, plastics, and elastics in standardized component forms, enabling flexible material selection without compromising production speed or output.
Solution Approach 2:
Standardized connecting elements and component interfaces are designed to accommodate multiple material types and configurations. The same assembly mechanisms can join different material combinations, allowing high-speed production lines to manufacture diverse garment designs with varied material selections using universal tooling and processes.
Data Source
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AI summary
The present invention is an article to be worn on the lower torso of a wearer, such as pants or diapers. The article exhibits snug fit on a wearer through a particular cooperative arrangement of the side panels and the centre strip. It may further exhibit a particular bulging such as in the hip region of the wearer, and/or may comprise hoops such as for encircling the legs of a wearer. The present invention relates further to a simple manufacturing process for such articles. In a particular variant of the process, "multilane" manufacturing may be employed also to larger size article. In another particular variant, side margins of parts of the article can be connected without connecting these to further underlying parts.