Composite Diaper Side Panel Web for Stable High-Speed Separation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for manufacturing disposable incontinence diapers are inefficient, costly, and complex, particularly in the production of diaper side panels with varying material properties and elastic components.
Innovation Solution
A method involving the use of multiple material webs with specific properties (elastic and inelastic) is employed to create a composite web, which is then separated and attached to form diaper side panels, ensuring efficient and cost-effective production with enhanced stability and ease of closure element integration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If diaper side panels are made from a continuous sheet of composite material with different material properties, then manufacturing efficiency and cost-effectiveness are improved, but the complexity of joining different materials and ensuring proper separation increases
Solution Approach 1:
The continuous sheet is divided into distinct zones with different material properties (elastic zones and non-elastic zones) that are joined together. This segmentation allows different material properties to be combined in a single continuous sheet, improving manufacturing efficiency while maintaining material functionality.
Solution Approach 2:
Different portions of the diaper side panel are made from materials with different properties (elastic vs. non-elastic) to provide localized functionality. The elastic portions provide stretchability where needed, while non-elastic portions provide stability in other areas, all within a single continuous sheet.
2Ease of manufacture
If diaper side panels are detached from a continuous sheet, then manufacturing simplicity and cost-effectiveness are improved, but the stability of the joining connection may be compromised
Solution Approach 1:
The diaper side panels are pre-attached to the main part during the manufacturing process before final product completion. This preliminary attachment ensures proper positioning and stable joining connections are established early in the manufacturing sequence.
Solution Approach 2:
An intermediary joining mechanism is used to connect the diaper side panels to the main part. This intermediary connection method provides both ease of manufacture and reliable joining stability, serving as a mediator between the panel and main structure.
3Adaptability or versatility
If multiple material webs with different properties are joined to form a composite web, then material functionality and product performance are improved, but the complexity of the manufacturing process increases
Solution Approach 1:
Multiple material webs with different properties (elastic and non-elastic) are merged together to form a single composite web structure. This combining approach provides material versatility and functional adaptability while integrating the complexity into a unified manufacturing process.
Solution Approach 2:
The invention uses composite material construction by joining different material webs together. This creates a composite web that exhibits multiple material properties (both elastic and non-elastic characteristics) within a single structured assembly, enhancing product performance.
4Productivity
If diaper side panels are separated by cutting through the composite material web, then individual panel production is achieved, but the cutting process complexity and potential material damage increase
Solution Approach 1:
Individual diaper side panels are extracted from the composite web by cutting through the material. This extraction process produces separate individual panels from the joined composite structure, enabling individual panel production while managing the cutting complexity through proper material design.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The present invention relates to a method for producing disposable incontinence diapers (17), wherein a respective disposable incontinence diaper (17) has a main part (65) having a suction body (69). The main part (65) has a back region (64) having a first rear lateral longitudinal edge (66) and a second rear lateral longitudinal edge (67). Attached to the first rear lateral longitudinal edge (66) is a first elastic diaper side part (62) which extends in the diaper transverse direction (74) beyond the first rear lateral longitudinal edge (66) of the main part (65), and wherein a second elastic diaper side part (63), which extends in the diaper transverse direction (74) beyond the second rear lateral longitudinal edge (67) of the main part (65), is attached to the second rear lateral longitudinal edge (67). The method comprises the following steps: conveying a first material web (1), a second material web (2), a third material web (3) and a fourth material web (4); joining the material web edge regions of the first (1), second (2), third (3) and fourth material web (4) to each other in such a way that the first (1), second (2), third (3) and fourth material web (4) form a double-use diaper side part web (10) in the respective transverse direction (25) thereof; separating the double-use diaper side part web (10) along the longitudinal direction (24) thereof in order to form a first (13a) and a second single-use diaper side part web (13b) in the respective transverse direction (25) thereof; singulating diaper side part sections (14a, 14b) by separating the first (13a) and the second single-use diaper side part web (13b) in the respective transverse direction (25); feeding a main diaper part web (15) and joining the diaper side part sections (14a, 14b) to the main diaper part web (15); singulating the disposable incontinence diapers (17) by separating the main diaper part web (15) along the transverse direction (25) thereof.