Waterproof pan for unit room

The waterproof pan design with an L-shaped wall mounting member and extension portion addresses the challenge of accommodating various unit room sizes by ensuring accurate panel positioning and watertightness, enhancing reliability and aesthetics.

JP2026028382APending Publication Date: 2026-02-20HITACHI HOUSETEC CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
JP2024130746
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2026-02-20

AI Technical Summary

Technical Problem

Existing waterproof pans for unit rooms face challenges in accommodating various sizes while ensuring accurate wall panel positioning and watertightness, particularly when adjusting to unexpected sizes, leading to reduced reliability and difficulty in fixing spacer thicknesses, which compromises waterproofing.

Method used

A waterproof pan design featuring a cut surface with an L-shaped wall mounting member that includes an extension portion exposed above the floor surface, allowing for easy alignment and a double water-stopping structure through gaskets, and adjustable dimensions to fit various room sizes without requiring new molds.

Benefits of technology

Enables accurate wall panel positioning and enhanced watertightness by creating a double water-stopping surface, correcting warping, and maintaining aesthetic integrity, even when adapting to different bathroom sizes.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 2026028382000001_ABST
    Figure 2026028382000001_ABST
Patent Text Reader

Abstract

To provide a waterproof pan for a unit room.SOLUTION: The present invention is characterized by including a waterproof pan having a cut surface formed on at least one side thereof, and a wall mounting member which is attached with reference to the cut surface of the waterproof pan and on which a wall panel is placed, wherein an upper portion of the wall mounting member on the waterproof pan side has a substantially horizontal flat surface portion which is visible between the wall panel and a floor surface without being hidden after the wall panel is placed. It is preferable that the wall mounting member fixed to the cut surface side of the waterproof pan is substantially L-shaped, an extension portion is formed on the waterproof pan side of the wall mounting member, and the extension portion covers the upper surface of the waterproof pan.SELECTED DRAWING: Figure 1
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • Floor pan for bathroom and method for assembling prefabricated bath

    JP2010121381A