Tissue box dispensing feature
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Solution Overview
Problem
Conventional tissue boxes with transparent poly film dispensing features face material and production costs, weakening of the film leading to inconsistent tissue support, recycling issues, and sharp edges that tear tissues, while alternative designs with engraved lines and raw carton panels restrict tissue flow and cause tearing.
Innovation Solution
A tissue box with a wave-shaped outlet cut line, raised crease lines, and outlet flaps forming smooth curves, eliminating the need for plastic film and sharp corners, and incorporating a slip coating to facilitate easy tissue extraction without tearing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If transparent poly film is used for tissue dispensing, then tissue separation and support are improved, but material cost and production cost increase
Solution Approach 1:
The patent removes the transparent poly film from the tissue box structure entirely, replacing it with an intrinsic dispensing feature formed directly from the carton material. This extraction eliminates the need for separate film attachment while maintaining tissue separation through the curvilinear outlet geometry and wave-shaped cut line design.
Solution Approach 2:
The dispensing function previously provided by the separate poly film is merged into the carton structure itself. The top panel incorporates the outlet feature with curvilinear cut lines and wave-shaped patterns that perform both structural support and tissue separation functions, eliminating the need for separate film components.
2Reliability
If transparent poly film is used for tissue dispensing, then tissue support is improved, but recycling difficulty increases
Solution Approach 1:
The patent extracts the poly film component from the tissue box system, leaving only the recyclable carton material. The tissue support function is maintained through the intrinsic carton structure with curvilinear outlets and wave-shaped cut lines, enabling full recyclability of the container.
3Ease of operation
If engraved lines are used to create outlet opening, then tissue flow is improved, but tissue tearing increases due to sharp edges
Solution Approach 1:
The patent applies curvilinear cut lines with wave-shaped patterns instead of straight engraved lines. The curved geometry eliminates sharp corners and edges that cause tissue tearing, while the wave shape maintains effective tissue flow by creating natural separation zones and guiding tissue movement through the outlet.
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
Provides a cost-effective, recyclable, and efficient tissue dispensing mechanism that supports tissues upright, reduces material waste, and ensures smooth extraction without tearing, enhancing user experience.
Implementation Method 1
The raw underside of outlet panel 30, to slide exiting tissues over and through the outlet opening. The raw underside of outlet panel 42 (FIG. 3A) in combination with the sharp engraved fold line 41, creates friction that restricts and compromises tissue flow
Data Source
AI summary
A single piece tissue container free of a plastic film or paper dispensing window comprising a tissue dispensing portion on a top panel of the tissue container, the tissue dispensing portion comprising: (a) an outlet cut line having a wave shape form; (b) two opposite raised crease lines embossed on the top panel spaced on both left and right side of the outlet cut line, the two opposite raised crease lines being joined by curvilinear cut lines at each end of the two opposite raised crease lines; and (c) two outlet flaps, each outlet flap being defined between one of the two raised crease lines, the curvilinear cut lines and the outlet cut line, each of the two raised crease lines forming a smooth curve on an underside of the outlet flaps.