Opening building member

The building material with a shoji screen guide groove and dual-profile construction enhances thermal insulation and visibility by reducing heat transfer and visible dimensions, facilitating easy attachment and cleaning.

JP2025166313APending Publication Date: 2025-11-06SANKYO TATEYAMA INC
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Patent Information

Application Number
JP2024070239
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-11-06

AI Technical Summary

Technical Problem

Conventional building materials for openings in buildings lack effective thermal insulation properties.

Method used

The building material comprises an upper frame with a shoji screen guide groove, where the shoji screen is made of a metal profile on the outside and a resin profile on the inside, with a hollow portion engaging with the guide groove, enhancing insulation by reducing heat transfer and allowing for a smaller visible dimension.

Benefits of technology

The solution improves thermal insulation by suppressing heat transfer and reducing the visible dimensions of the shoji screen, making it easier to attach and clean, while increasing the area of double-glazed glass for better visibility and insulation performance.

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Abstract

To provide an opening building member capable of improving thermal insulation.SOLUTION: The opening building member includes an upper frame 17 and sashes 12a and 12b. The upper frame 17 has sash guide grooves 48a and 48b for guiding the upper portions of the sashes 12a and 12b. The sashes 12a and 12b consist of a metal profile 68 located on the outside of the room and a resin profile 69 located on the inside of the room. The metal profile 68 and the resin shaping member 69 have a hollow portion 80 on the outer periphery of the glass opening 78, and the hollow portion 80 engages with the sash guide grooves 48a and 48b.SELECTED DRAWING: Figure 1
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