Folded Tissue Clip Orientation for Smoother Upright Dispensing
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Solution Overview
Problem
The existing upright sheet dispensers face issues with dispensing the first few sheets due to the clip springing back and causing tearing, especially with increased sheet count or thickness, leading to dispensing problems.
Innovation Solution
Rotating the folded clip or folding it into a J-shape instead of a U-shape, with the longitudinal fold axis intersecting the dispenser's sidewall, allows for increased sheet capacity without increasing dispensing issues, by reducing pressure against the vertical walls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the clip is folded symmetrically in half about a transverse central axis to form a U-shaped clip, then the clip structure is simple and easy to manufacture, but the sheet material is pushed tightly against the opposing vertical walls causing dispensing problems
Solution Approach 1:
The patent applies asymmetry by folding the clip about a transverse fold axis that is offset from the transverse central axis, creating an asymmetric J-shaped clip. This asymmetric configuration prevents the sheet material from being pushed tightly against the opposing vertical walls of the dispenser, thereby eliminating dispensing problems while maintaining manufacturing simplicity.
2Quantity of substance
If the number of sheets in the clip is increased, then the perceived value and duration of use are improved, but the sheet material is pushed more tightly against the walls increasing dispensing problems
Solution Approach 1:
The asymmetric J-shaped clip configuration allows a greater number of sheets to be contained within the dispenser without increasing dispensing problems. The offset fold axis creates more favorable sheet arrangement and reduces wall pressure, enabling increased sheet capacity while maintaining ease of dispensing.
Solution Approach 2:
The patent changes the spatial dimension of the clip configuration by offsetting the fold axis, which alters the three-dimensional arrangement of sheets within the dispenser. This dimensional change optimizes space utilization and reduces compressive forces on the sheets, allowing more sheets to be stored without compromising dispensing ease.
3Strength
If the bulk or thickness of the sheet material is increased, then the perceived quality and value are improved, but the sheet material is pushed more tightly against the walls causing tearing
Solution Approach 1:
The asymmetric J-shaped clip configuration reduces the compressive forces exerted on thicker, higher-quality sheet materials. By preventing the sheets from being pushed tightly against the opposing vertical walls, this design allows bulkier sheets to be dispensed without tearing while maintaining their perceived quality and value.
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 configuration increases sheet capacity by up to 30% without additional dispensing problems, reducing frictional forces and internal pressure, allowing for more efficient dispensing.
Implementation Method 1
reducing frictional forces and internal pressure, allowing for more efficient dispensing
Data Source
AI summary
By either rotating a folded clip within a dispenser, or by folding the clip into a J-shape instead of a U-shape and then placing the clip into a dispenser, more sheets can be placed into the dispenser without causing an increase in dispensing problems. Alternatively, fewer dispensing problems result if the same number of sheets is placed into the dispenser. In one embodiment, the dispenser was an upright facial tissue carton and the clip was an interfolded stack of facial tissues.