Folded Napkin Array Structure for One-at-a-Time Dispensing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing napkins are costly and inefficient in terms of dispensability, as they often result in waste due to their size and design, which does not allow for effective use in existing dispensers and fails to meet customer needs for reduced costs and minimized waste.
Innovation Solution
The development of folded sheet materials, such as napkins, with specific fold configurations and dimensions that allow for a smaller unfolded size while maintaining usability, enabling them to be interleaved and dispensed one at a time, reducing waste and cost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of moving object
If napkins are made larger to meet customer needs, then customer satisfaction is improved, but cost and waste increase
Solution Approach 1:
The napkin is divided into four distinct panels through specific folding (medial fold creating two halves, transverse fold creating quarters), allowing the product to be segmented for use. Users can take only the needed portion rather than discarding entire napkins, reducing waste while maintaining adequate size for customer needs.
Solution Approach 2:
The invention transforms the napkin from a flat 2D sheet into a compact 3D folded structure. By folding the napkin into a multi-panel configuration, it achieves a smaller effective footprint that reduces waste while maintaining the functional area when unfolded.
2Quantity of substance
If napkins are packed densely in dispensers to reduce cost, then cost efficiency is improved, but dispensability deteriorates
Solution Approach 1:
The folded napkin structure creates distinct panels and edges that serve as natural separation points. The longitudinal free edge and lateral free edges provide clear dispensing points, allowing individual napkins to be easily separated and dispensed even when densely packed in the dispenser.
Solution Approach 2:
The napkin folding creates an asymmetric structure with distinct major and minor panels, and differentiated free edges. This asymmetry provides natural orientation and grip points that facilitate easy grasping and dispensing of individual napkins from the dispenser.
3Quantity of substance
If napkins are made smaller to reduce cost, then cost is improved, but functionality deteriorates
Solution Approach 1:
The invention uses folding to create a compact form factor that reduces the apparent size and cost per unit while maintaining the full functional area when needed. The napkin can be stored in a compact folded state but fully expanded for use, providing both cost efficiency and functionality.
Solution Approach 2:
The multi-panel folded structure allows the napkin to nest into itself, creating a compact form that reduces material usage perception and cost while maintaining the ability to provide full functionality when unfolded. The nested folding structure preserves all functional areas in a space-efficient configuration.
Data Source
AI summary
An array of sheet materials includes a first sheet, a second sheet, and an interior sheet located between the first sheet and the second sheet, each sheet having a centrally located medial primary fold formed therein and a secondary off-fold transverse thereto, the medial fold and the transverse off-fold defining four panels in each sheet.