Silicone Caulk Tube Cap for Airtight Tip Sealing
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Solution Overview
Problem
Sealing the open end of a caulk tube to prevent remaining contents from curing is difficult and requires a 100% air-tight seal.
Innovation Solution
A caulk tube cap made of high-quality silicone rubber with a reduced inner diameter and shaped like a conventional applicator tip, providing a secure and airtight seal that resists moisture, and features a grip for easy application and removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional cap is used to seal the opened tip of a caulk tube, then the cap may not provide a secure fit, but the sealing effectiveness is insufficient to prevent air and moisture from reaching the caulk contents
Solution Approach 1:
The cap incorporates a sealing member with an inner diameter specifically matched to the outer diameter of the applicator tip, creating a localized precise fit at the sealing interface. This local quality enhancement ensures both secure fit and effective sealing without requiring the entire cap structure to be complex
Solution Approach 2:
The sealing member is made of elastomeric material that can deform elastically to conform to the applicator tip surface. This flexibility allows the sealing member to adapt to slight variations in tip dimensions while maintaining consistent contact pressure for reliable sealing
2Reliability
If the cap is made with standard dimensions, then manufacturing is simple, but the seal is not 100% air-tight preventing caulk contents from curing
Solution Approach 1:
The invention specifies precise dimensional parameters for the sealing member, particularly the inner diameter being substantially equal to the outer diameter of the applicator tip. This parameter optimization ensures intimate contact for air-tight sealing while remaining compatible with standard manufacturing capabilities
Solution Approach 2:
The cap combines an elastomeric sealing member with a rigid or semi-rigid cap body. The elastomeric material provides the necessary compliance for sealing, while the cap body provides structural support. This composite approach achieves superior sealing without excessive manufacturing complexity
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
Ensures a secure and airtight seal that prevents moisture and air from reaching the opened tip, maintaining the integrity of the remaining caulk contents.
Implementation Method 1
sealing mechanism made of high-quality silicone rubber
Implementation Method 2
ensures a secure and airtight seal
Data Source
AI summary
A cap for sealing caulk tubes is disclosed. The cap is equipped with a sealing mechanism made of high-quality silicone rubber. This material not only ensures a secure and airtight seal but also offers resistance to moisture, making the cap suitable for sealing caulking tubes. The inner diameter of the closed end of the cap is innovatively designed to be smaller and in a similar shape to that of caulking tube applicator tips, optimizing the cap's performance. This size reduction contributes to a more secure fit and improved sealing capabilities, preventing moisture and air from reaching the opened tip of caulking tubes.