Handheld Tape Dispenser With Edge Folding Guide
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Solution Overview
Problem
Existing tape dispensers that fold the edge of adhesive tape are complex, expensive, difficult to use, and hard to thread, and often lack features like increased tensile strength and easy removal.
Innovation Solution
A handheld tape dispenser with a design that allows for folding one or both longitudinal edges of the tape as it is dispensed, featuring a cutter, edge folding guides, and a compression element to apply pressure, making it easy to use and manufacture, while providing reinforced strength and improved removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing tape dispensers are designed to fold the edge of adhesive tape, then the tape edge folding function is achieved, but the device complexity increases and manufacturing cost rises
Solution Approach 1:
The guide member integrates multiple functions into a single component: it guides the tape through the dispenser, folds the tape edge, and works with the compression element to secure the fold. This merging of functions reduces the number of separate parts needed while achieving the tape edge folding capability.
Solution Approach 2:
The guide member serves multiple purposes within the dispenser system: it acts as a tape guide, a folding surface, and a structural element that defines the tape path. This multi-functionality reduces overall device complexity while maintaining the edge folding feature.
2Adaptability or versatility
If existing tape dispensers are designed to fold the edge of adhesive tape, then the tape edge folding function is achieved, but the ease of operation and threading deteriorates
Solution Approach 1:
The guide member is pre-configured with its specific geometry and positioning to automatically guide the tape into the correct folding path as it is threaded through the dispenser. This preliminary setup eliminates the need for complex adjustment or alignment during operation, making threading straightforward.
3Strength
If tape edges are folded to provide grasping portion and edge protection, then the ease of removal and edge strength improve, but the device complexity increases
Solution Approach 1:
The guide member and compression element work together as an integrated folding mechanism. The guide member provides the folding surface while the compression element applies pressure to secure the fold, creating both edge strength and a grasping portion without requiring multiple separate components.
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 dispenser simplifies the use and manufacturing process, enhances the tensile strength of the tape, and facilitates easier removal by folding the edges, reducing the risk of tears and improving edge protection.
Implementation Method 1
a compression element between the guide slot and the cutter adapted to apply pressure to the lengths of tape bringing the confronting adhesive surface portions into contact as the tape is dispensed
Data Source
AI summary
An adhesive tape dispenser and applicator which folds one or both edges of tape being applied over upon themselves is constructed with an edge folding guide having a planar surface, two inwardly converging edges and tape guides cooperating to fold the edges of the tape. A method of threading tape onto a folding tape dispenser is also described.