Handheld Tape Dispenser With Liquid Activation And Cutting Mechanism
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Solution Overview
Problem
Conventional tape dispensing apparatuses are impractical for commercial packaging due to their fixed location, difficulty in handling bulky items, and challenges with reinforced tapes, which require significant user intervention and can soften the tape, making handling difficult.
Innovation Solution
A handheld tape dispensing apparatus with a liquid application station and cutting mechanism, allowing for the activation and separation of tape lengths with minimal user contact, featuring a motor-driven feed system and freewheeling rollers for easy application and cutting, enabling hands-free tape application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional fixed location tape dispensing apparatus is used, then tape activation and dispensing can be performed, but the apparatus cannot be easily moved to different locations and requires items to be brought to the apparatus
Solution Approach 1:
The apparatus is divided into functional segments: liquid reservoir, application mechanism, tape dispensing mechanism, and cutting mechanism. This segmentation allows the complex functions to be organized into manageable components that can be integrated into a handheld form factor, resolving the contradiction between mobility and complexity.
Solution Approach 2:
The apparatus combines multiple functions (liquid storage, liquid application, tape dispensing, and cutting) into a single handheld device. This multi-functionality eliminates the need for separate fixed-location stations, improving mobility while managing complexity through integrated design.
2Reliability
If water is applied to activate the adhesive coating prior to tape leaving the apparatus, then the adhesive is activated, but the water softens the tape base material making handling difficult
Solution Approach 1:
The liquid application mechanism is designed to apply water locally and selectively to the adhesive coating area only, rather than saturating the entire tape. This localized application ensures reliable adhesive activation while minimizing water contact with the tape base material, preventing excessive softening and maintaining ease of handling.
Solution Approach 2:
The liquid is applied to the adhesive coating in advance of the tape leaving the apparatus, allowing the adhesive to become fully activated before dispensing. This preliminary action ensures reliable adhesion while the tape is still supported by the apparatus, reducing handling difficulties.
3Productivity
If significant user intervention is required to handle and move the tape, then the tape can be applied to items, but the process becomes time-consuming and impractical for frequent dispensing
Solution Approach 1:
The apparatus is designed to automatically perform multiple functions: the liquid application mechanism automatically applies water to activate the adhesive, the dispensing mechanism automatically feeds the tape, and the cutting mechanism automatically separates the tape length. This self-service capability eliminates the need for significant user intervention, enabling frequent and rapid tape dispensing while maintaining ease of operation.
4Strength
If reinforced tape with glass fibre matrix is used, then the tape strength is improved, but the tape becomes more difficult to cut through
Solution Approach 1:
The liquid is applied to the tape in advance of the cutting operation, allowing the adhesive coating to become fully activated. This preliminary wetting of the reinforced tape softens the glass fibre matrix slightly, making the subsequent cutting operation easier while maintaining the high strength properties of the reinforced tape.
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 apparatus allows for efficient, hands-free dispensing and application of tape lengths to items, reducing user effort and increasing usability, especially with reinforced tapes, by providing reliable liquid activation and easy handling of the tape.
Implementation Method 1
there is typically provided a reservoir of liquid, typically water, which is to be applied to the adhesive coating on the surface of the tape so as to activate the same
Implementation Method 2
drive means drive the separated length of tape out of the apparatus outlet and the separated length is required to be grasped by the user
Data Source
Figure 1a
Figure 1b
Figure 1c
AI summary
The invention relates to apparatus (2) and a method for applying a length of adhesive tape (4) with a water activated adhesive coating using a handheld dispensing apparatus (2). The apparatus (2) allows a first portion including a leading end (12) of the said length of tape (4) to be fed from a tape supply through a dispensing outlet (36) of the apparatus by operating user actuation means (26) to operate feed means (30) of the apparatus (2) and a further portion of the said length of tape (4) is dispensed by causing relative movement between the apparatus (2) and the said item (6) and operating user actuation means (26) to operate a cutting station (34) of the apparatus to separate the trailing edge of the said length of tape from the remainder of the tape supply (20) and the apparatus (2) and thereby allow the length of tape (4) to be adhered to the item, such as a cardboard packaging box (6).