FaÇade beam with a shaped profile based on paper

EP4089261B1Active Publication Date: 2025-12-17WIEDEN WOOD SRO
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Patent Information

Application Number
EP2022020166
Authority / Receiving Office
EP · EP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2021-05-11
Filing Date
2022-04-12
Publication Date
2025-12-17
Estimated Expiration
2042-04-12

AI Technical Summary

Technical Problem

The disadvantage of this solution is the high heat transfer coefficient U and environmental impacts in the mining and processing of aluminum.

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Abstract

The aim of the technical solution according to this utility model is the replacement of aluminium profiles with facade beams based on wood or paper and their protection against moisture by the shape of the beam itself, which is achieved by modifying the beam structure and replacing materials.
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Description

Field of technology

[0001] The technical solution concerns the structural arrangement of slatted and structural prefabricated block (element) glazed or partially glazed facades for construction purposes.State of the art

[0002] At present, prefabricated glazed building block facades use an aluminum profile with an interrupted thermal bridge as a static load-bearing part, which also includes grooves for seals, glass carriers, etc. The disadvantage of this solution is the high heat transfer coefficient U and environmental impacts in the mining and processing of aluminum. There are also documents US 2004 / 206025 A1 and EP 0 115 601 A2, where ecological materials based on wood or paper are used, but both are descriptions of window frames where moisture drainage is solved by means of drainage channels only in specified parts, which does not guarantee safe moisture drainage to the exterior, but only local drainage. Document US 2016 / 108658 A1 discloses a façade beam with a statically supporting shaped profile based on paper.The essence of the technical solution

[0003] The aim of the technical solution according to this invention is the replacement of aluminum profiles with facade beams based on paper and their protection against moisture by the shape of the beam itself, which is achieved by modifying the beam structure and replacing materials. The invention is defined by the appended claim.Overview of pictures in the drawing

[0004] The technical solution will be explained in more detail with the help of the drawing, where Fig. 1 shows a section of the structure using a beam based on paper.Example of technical solution implementationExample 1

[0005] The shaped supporting profile 1 based on paper with a bevelled drainage space 5 under the transparent or opaque filling 2 is provided with a water-resistant surface treatment 4 in the drainage part. The lower edge of the shaped supporting profile 1 is provided with a shaped drip edge 3 for continuous drainage of the shaped supporting profile.Industrial applicability

[0006] This technical solution can be used especially in construction in the production of glazed facades.

Claims

1. Façade beam with a statically supporting shaped profile (1) based on paper for supporting a transparent or opaque filling (2) of a glazed or partially glazed façade characterized in that the shaped profile (1) is provided with a bevelled drainage space (5) under the transparent or opaque filling (2), a drip edge (3) on the lower edge of the shaped supporting profile (1) and a waterproof surface treatment (4) of the drainage space (5), which enables safe removal of moisture to the exterior.

Citation Information

Patent Citations

  • Window frame made of wood or wood stock with a duroplastic laminate coating

    EP0115601A2

  • Casing, door or window frame, particularly for outdoor use

    US20040206025A1

  • Invisible window frames

    US20160108658A1

  • Mounting system for insulating glass panes

    WO2010063297A1