Bath Surround Tongue-and-Groove Joint for Leak-Safe Installation
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Solution Overview
Problem
Bathing area surround panels are often large, difficult to maneuver, and prone to leaking at panel joints, which can lead to moisture damage in adjacent areas like bathroom walls and floors.
Innovation Solution
The design includes a tub basin with a ledge and flange system that uses a tongue and groove mechanism to secure the surround wall, allowing it to be biased towards the tub flange for easy installation and sealing, eliminating the need for mechanical fasteners at the interface, and utilizing vacuum-formed polystyrene panels with a water jet cutter for precise shaping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional bathing area surround panels are used, then moisture containment function is provided, but the panels are large, difficult to maneuver, and prone to leaking at panel joints
Solution Approach 1:
The bathing area surround is divided into multiple smaller panel sections that can be easily maneuvered and installed separately. Each panel includes integrated tongue and groove features that connect to adjacent panels and the tub basin, eliminating the need to handle large, difficult-to-install single-piece surrounds while maintaining moisture containment effectiveness.
Solution Approach 2:
The tongue and groove mechanism acts as an intermediary connection system between panels and the tub basin. The groove receives the tongue and provides a recess for sealing material, creating a reliable leak-proof joint without requiring complex fastening operations, thus improving both reliability and ease of installation.
2Reliability
If traditional panel joints are used, then panel assembly is simple, but leaking at joints occurs
Solution Approach 1:
A groove is provided in the panel that receives sealing material as an intermediary substance between the tongue of one panel and the body of another panel. This groove-based sealing system ensures leak-proof joints while maintaining relatively simple joint structure that is easy to assemble.
Solution Approach 2:
The sealing mechanism uses a flexible groove that can accommodate sealing material (such as caulk or gasket) to create a watertight seal between rigid panel components. This flexible sealing approach ensures reliability while keeping the overall joint structure simple and manageable.
3Strength
If mechanical fasteners are used at the interface, then secure attachment is achieved, but installation complexity increases
Solution Approach 1:
The attachment system is segmented into the tongue extending from one panel and the groove with receiving walls formed in another panel or the tub basin. This segmentation eliminates the need for separate mechanical fasteners while providing secure attachment through the interlocking tongue-and-groove geometry.
Solution Approach 2:
Mechanical fasteners are extracted from the attachment system and replaced by the inherent structural interlocking of the tongue and groove mechanism. The tongue fits into the groove and is retained by the groove walls, providing secure attachment without the complexity of additional fastening components.
Data Source
AI summary
An example bathing surround includes a surround wall, a tub basin having a top tub bottom and a plurality of tub sides, and a tub ledge extending from the tub basin transverse to the tub sides. A tub flange extends from the tub ledge away from the tub bottom. The tub ledge and the surround wall defines a groove for receiving a tongue extending the other of the tub ledge and the surround wall. The surround wall is biased toward the tub flange when the tub tongue is received within the groove.