Double-notch casement door and window sash material

Abstract

The invention discloses a double-notch casement door and window sash material. The double-notch casement door and window sash material comprises a sash material main body (3), and is characterized inthat two notches (1) and (2) are formed in the side surface of the sash material main body (3) in parallel. The double-notch casement door and window sash material has the advantages of reducing the types of section bars, reducing the production cost and being convenient to store and install.

Description

technical field [0001] The present invention relates to window sashes, door leaf or similar side members with special section for closing openings; especially a double notch casement door and window material. Background technique [0002] Door and window products are the most important part of the external enclosure structure of the main body of the building, and its industry development has also shown prosperity along with the high growth rate of the real estate market in recent years. [0003] The function realization of door and window products, in addition to factors such as the material structure of the profile, the most important thing is the structure of the profile notch. At present, the profile notches of various specifications commonly used in the door and window industry basically inherit the European standard single groove introduced at the beginning of the industry, and use this single groove to realize the opening and closing operation of the opening fan and va...

AI Technical Summary

Problems solved by technology

Since a single slot undertakes multiple tasks, it is inevitable that conflicts and interference will occur between tasks, which brings a huge challenge to the multi-functionality of the opening fan.

In addition to causing difficulties and complications in the design of accessories, it also brings huge constraints and troubles to the product development of manufacturers.

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