Adhesive Strip Applicator with Visual Pressing-Force Feedback
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing applicators for bonding objects using double-sided self-adhesive strips do not provide clear feedback to users on the application of sufficient contact pressure, leading to inconsistent adhesion and potential air pockets, which can reduce the bonding area and load-bearing capacity.
Innovation Solution
An applicator with a handle and a contact edge that integrates a feedback mechanism, allowing users to visually detect when the optimal contact pressure is achieved, ensuring full-surface adhesion and robust bonding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a rigid applicator is used to press adhesive strips onto surfaces, then the adhesive can be applied across the entire surface, but the user cannot detect whether sufficient pressure has been applied to achieve proper adhesion
Solution Approach 1:
The patent incorporates a feedback mechanism through a deformable indicator element that visually signals to the user when sufficient pressure is applied. The indicator deforms under contact pressure and provides a visual cue (such as color change or positional shift) that confirms adequate adhesive bonding pressure has been achieved, resolving the information loss problem.
Solution Approach 2:
The patent utilizes color change as a visual feedback mechanism. The indicator element changes color in response to contact pressure, providing immediate visual confirmation to the user that sufficient pressure has been applied for proper adhesive bonding, thereby eliminating the lack of pressure sufficiency information.
2Strength
If pressure-sensitive adhesive is applied to bond parts together, then strong adhesion can be achieved, but air pockets may form reducing bonding area and load-bearing capacity
Solution Approach 1:
The patent applies preliminary action by using the applicator to uniformly press the adhesive strip onto the surface before final bonding occurs. The deformable indicator ensures proper pressure is applied during this preliminary stage, preventing air pocket formation and ensuring consistent bonding area and strength before the adhesive fully sets.
3Manufacturing precision
If high contact pressure is applied to ensure full-surface adhesion, then adhesive effect is maximized, but the applicator provides no indication of when sufficient pressure is reached
Solution Approach 1:
The deformable indicator provides real-time feedback to the user during the bonding process. As pressure is applied, the indicator deforms and provides visual feedback, allowing the user to stop applying pressure once sufficient bonding is achieved, thus improving ease of operation while maintaining bonding quality.
Solution Approach 2:
The patent utilizes parameter changes in the indicator element's physical state (deformation, color change) in response to contact pressure. This allows the user to easily determine when optimal pressure is reached by observing the indicator's state, making pressure application control intuitive and improving ease of operation.
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 applicator ensures reliable and consistent application of contact pressure, preventing air pockets and ensuring strong, long-lasting adhesion capable of withstanding significant weight loads.
Implementation Method 1
said first handle component is designed as an elastically deformable distal end portion of a first bar
Data Source
Figure 1
Figure 2A~2C
Figure 3A~3B
AI summary
The invention relates to an applicator (1) for bonding two parts to be joined by means of a double-sidedly self-adhesive strip, comprising: a spatially compact handle (2) which is designed and dimensioned for holding the applicator (1) with one or both hands of a user when carrying out an adhesive bonding process, and a pressing edge (3) which is provided at a free distal end of the handle (2) and is designed for applying to a surface of the double-sidedly self-adhesive strip and for pressing same onto a surface of a part to be joined in order to bring about a required adhesive bonding of the adhesive strip to this part to be joined, characterized in that the applicator (1) has a feedback means integrated in the handle (2), the feedback means being designed such that the achievement of a predetermined optimal pressing force with the pressing edge (3) is clearly visually apparent to the user from the outside over the duration of the adhesive bonding process.