Septic Vent Cap Assembly with Segmented Design for Tool-Free Access
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Solution Overview
Problem
Inspecting septic tanks is challenging due to the difficulty in locating and accessing vent conduits, which are often overgrown with vegetation and have tightly fitted end caps that require specialized tools to remove, disrupting the seal and causing inefficiencies in utility inspections.
Innovation Solution
An end cap fitting assembly with a top cap and bottom cap design that allows easy installation and removal, featuring a planar top surface, annular sidewall, and stop members for secure sealing, along with optional threaded lids and adapter couplings for convenient access and air flow, enhancing visibility and accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional end caps are used to cover vent conduits, then secure sealing is achieved, but removal requires specialized tools and breaks the seal caused by foreign matter
Solution Approach 1:
The end cap is divided into multiple segments that can be independently manipulated. The segmented design allows the cap to be pried open at the seams without breaking the seal between the cap and conduit, enabling tool-free removal while maintaining sealing integrity during installation
Solution Approach 2:
The end cap incorporates flexible or movable elements that allow it to adapt to the conduit opening. This dynamic design enables the cap to seal securely when installed but be easily flexed or manipulated for removal without specialized tools
2Ease of operation
If vent conduits are installed for inspection access, then utility workers can perform atmospheric tests, but the vents become overgrown with vegetation making location time-consuming
Solution Approach 1:
The end cap is provided with high-visibility coloring or reflective elements that make the vent conduit easily distinguishable from surrounding vegetation. This visual enhancement allows utility workers to quickly locate the vent without having to search through overgrown areas
3Reliability
If tight-fitting end caps are used to secure the cover, then sealing is maintained, but the caps become stuck due to foreign matter requiring specialized tools to pry open
Solution Approach 1:
The sealing function is extracted from the rigid cap structure and placed in a separate gasket or seal element. This allows the cap itself to be easily removed while the seal remains intact, eliminating the need for specialized prying tools to break the seal between cap and conduit
Data Source
AI summary
A combined vent cap and inspection cap fitting assembly includes a top cap that has a planar top surface and a sidewall extending downward therefrom. Such cap fitting assemblies may be either air-tight or air-flow fitting assemblies depending on whether the present invention is applied inspection cap fittings or vent cap fittings respectively. A bottom cap is seated on the conduit top opening and has an outer wall engaged with the conduit that is spaced inward from the top cap outer wall such that a gap is formed therebetween, allowing ambient air to flow upwardly between the top and bottom caps outer walls, and downwardly through the bottom cap top opening and the conduit. An adapter coupling is removably mated to the conduit. The outer wall of the bottom cap terminates subjacent of the top cap sidewall.