Attached Straw Wrapper With Bifurcated Opening Filtration
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Solution Overview
Problem
Conventional drinking straws face issues with litter from removable wrappers and clogging due to obstructing elements like seeds or pits, as existing filtering solutions often require additional components or expensive processing equipment.
Innovation Solution
A drinking straw design featuring a permanently attached environmentally-friendly wrapper using an adhesive and a bifurcated opening at the lower end to filter out obstructions, preventing litter and clogging without additional elements or expensive equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a removable wrapper is used to maintain sanitary condition of the straw, then the straw can be kept clean during storage and transport, but the wrapper becomes litter after removal
Solution Approach 1:
The wrapper is permanently attached to the straw using an adhesive layer, merging two previously separate components into a single integrated unit. This ensures the wrapper remains with the straw during disposal, eliminating litter while maintaining the sanitary protection function throughout storage and transport.
2Reliability
If a filter is added to prevent clogging from seeds or pits, then obstruction prevention is improved, but device complexity increases due to additional components
Solution Approach 1:
The filtering element is integrated into the straw wall structure itself, with filter openings formed directly in the straw body. This merges the filtering function with the straw structure, eliminating the need for separate filter components while still preventing clogging from seeds or pits.
3Device complexity
If a filtering element is integrated into the straw wall, then device complexity is reduced, but manufacturing precision requirements increase
Solution Approach 1:
The manufacturing process changes the physical state of the straw material during formation, using heat and pressure to create the filter openings directly in the molded straw body. This parameter change approach allows integrated filtering to be achieved through standard extrusion or molding processes without requiring additional precision machining steps.
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
The solution ensures the wrapper remains attached, reducing litter and effectively filters out seeds and pits, enhancing user experience by preventing accidental ingestion and maintaining cleanliness.
Implementation Method 1
a securing element, such as a mass of an adhesive or glue, used for permanently attaching the wrapper to the outer wall of the tube
Implementation Method 2
at least two opposing sections of the inner surface of the outer wall are joined together for forming a bifurcated opening adjacent an end of the tube
Data Source
AI summary
A drinking straw includes a tube having an upper end including a first opening, a lower end including a second opening, and an outer wall extending between the upper and lower ends. A wrapper covers the tube and a securing element permanently attaches the wrapper to the outer wall of the tube. The wrapper is adapted to be opened for exposing the first and second openings of the tube while the securing element maintains the attachment of the wrapper to the tube. The outer wall of the tube has an inner surface, whereby at least two opposing sections of the inner surface of the outer wall are joined together for forming a bifurcated opening adjacent an end of the tube. The bifurcated opening defines a total area that is smaller than the area of the opening at the opposite end of the tube.