Sealant Applicator With Beveled Wing For Clean Joint Application
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Solution Overview
Problem
Existing sealant applicators fail to provide a clean and efficient method for applying sealants to joints between components, especially in sanitary areas where mobility and thermal expansion are concerns, leading to issues like leaks and surface degradation over time.
Innovation Solution
An applicator with a protruding wing for smoothing the sealant, featuring beveled outer edges and a dispensing opening set back from the front edge, allowing for precise application and effective removal of sealant from adjacent surfaces, while preventing exposure of unintended areas to the sealant.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sealant is dispensed using conventional applicators, then the sealant can be applied to joints, but the application is not clean and efficient, leading to surface degradation and leaks
Solution Approach 1:
The applicator is divided into distinct functional segments: a dispensing section with a feed opening for sealant supply, and a separate smoothing wing section with beveled edges. This segmentation allows independent optimization of dispensing control and smoothing effectiveness, resulting in cleaner application and better seal integrity without operational complexity
Solution Approach 2:
The wing section features beveled edges at specific locations to create controlled exposure of adjacent surfaces. This local quality modification ensures that sealant is smoothly applied and excess is removed precisely where needed, improving both application cleanliness and seal reliability without affecting the entire applicator structure
2Productivity
If conventional applicators are used, then sealant can be applied, but unintended areas are exposed to sealant, requiring additional cleaning and reducing efficiency
Solution Approach 1:
The beveled edges on the wing section are strategically positioned to control sealant exposure only at the intended application areas. This localized design prevents sealant from spreading to unintended surfaces, eliminating the need for additional cleaning operations and improving overall application efficiency
Solution Approach 2:
The beveled edges convert the potential harmful effect of sealant spreading into a beneficial smoothing action. The angled surfaces guide excess sealant away from unintended areas while simultaneously smoothing the applied sealant, transforming what would be a cleaning problem into an application advantage
3Manufacturing precision
If existing sealant applicators are used, then sealant application is possible, but the applicator lacks a controlled smoothing mechanism, leading to poor application results
Solution Approach 1:
The applicator separates the dispensing function from the smoothing function into distinct sections. The feed opening provides precise sealant delivery while the wing section with beveled edges provides controlled smoothing. This segmentation achieves high application precision without requiring complex integrated mechanisms
Solution Approach 2:
The beveled edges are positioned at specific locations on the wing section to provide smoothing control exactly where needed. This localized approach achieves precise application results without adding complex mechanisms throughout the entire applicator structure
Data Source
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AI summary
An applicator (200) having a feed opening (202) and a dispensing opening (201) lying opposite the feeding opening (202) for applying a sealing mass to a substrate, wherein the applicator (200) has a protruding blade (212) for smoothing the applied sealing mass, wherein the blade (212) has a top side (228) and a bottom side (229), wherein the bottom side (229) is arranged adjacent to the dispensing opening (201) and wherein the blade (212) has a right blade segment (209) and a left blade segment (210) lying opposite the right blade segment (209), wherein the right blade segment (209) and the left blade segment (210) protrude laterally and wherein the blade (212) also has a front blade segment (211) that protrudes in the distal direction, wherein the blade segments (209, 210, 218) are beveled in such a way that a right outer edge (220) is provided on the right blade segment (209), a left outer edge (221) is provided on the left blade segment (210), and a front outer edge (218) that connects the right outer edge (220) and the left outer edge (221) is provided on the front blade segment (218), wherein the outer edges (220, 221, 218) lie in the plane of the bottom side (229) and wherein the dispensing opening (201) is arranged at a distance from the front outer edge (218).