Shower Drain Adapter for Bondable Membrane Sealing
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Solution Overview
Problem
The existing shower drain systems are not compatible with bondable waterproof membranes, requiring tile installers to either switch to a different waterproofing system or incur significant time and expense to replace conventional two-piece drains with integrated bonding flange drains.
Innovation Solution
A shower drain adapter system that includes a drain body with an integrated bonding flange and a lower mating flange with a pliable gasket, allowing for a secure seal with bondable waterproof membranes and compatibility with conventional two-piece drain systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional two-piece drains are used, then compatibility with traditional shower pan systems is maintained, but compatibility with bondable waterproof membranes is lost
Solution Approach 1:
The drain system is divided into separate components: a conventional two-piece drain assembly and a separate bonding flange adapter. This segmentation allows the existing drain to remain unchanged while adding membrane compatibility through the adapter component.
Solution Approach 2:
A bonding flange adapter serves as an intermediary component between the conventional two-piece drain and the bondable waterproof membrane. This mediator enables compatibility without modifying the original drain system, allowing both traditional and modern waterproofing approaches to work together.
2Adaptability or versatility
If tile installers switch to integrated bonding flange drains, then compatibility with bondable waterproof membranes is achieved, but installation time and expense increase
Solution Approach 1:
The bonding flange adapter is pre-configured with integrated bonding flanges and sealing surfaces, allowing tile installers to simply attach it to the conventional drain without performing complex modifications. This preliminary preparation of the adapter component eliminates the need for time-consuming on-site fabrication or drain replacement.
Solution Approach 2:
The bonding flange adapter is designed as a simple, inexpensive add-on component that can be quickly installed and removed if needed. This disposable-like approach allows installers to add membrane compatibility without investing in expensive, permanent drain system replacements.
3Adaptability or versatility
If conventional two-piece drains are used, then existing drain infrastructure is maintained, but watertight sealing with bondable membranes is compromised
Solution Approach 1:
The bonding flange adapter provides localized watertight sealing capability at the interface between the drain and the bondable waterproof membrane. Instead of requiring the entire drain system to be redesigned, the sealing function is concentrated in the adapter component where it is most needed.
Solution Approach 2:
The bonding flange adapter combines multiple materials and sealing mechanisms to achieve reliable watertight sealing. It integrates bonding flanges for membrane attachment, gaskets for fluid sealing, and structural components for mechanical strength, creating a composite solution that addresses multiple sealing requirements simultaneously.
Data Source
AI summary
A shower drain adapter system configured to allow use of a bondable waterproof membrane with a shower pan drain system comprises a drain body and an integrated bonding flange extending upwardly from the drain body. The integrated bonding flange is operable to be sealably attached to a bondable waterproof membrane to provide a substantially waterproof seal between the membrane and the adapter. A lower mating flange is separable from the drain body, the lower mating flange operable to mate with a component of a shower pan drain system installable on a waste pipe. The lower mating flange includes a substantially rigid frame; and a pliable gasket disposed at least partially about the frame, the pliable gasket having an inner diameter sized to correspond to an outer diameter of a portion of the drain body.