Hunan Red Door New Materials Technology has achieved an improved door patent, which has facilitated repair and replacement of door panels.

Finance Industry News on February 17, 2025, Information from the National Knowledge and Rights Bureau shows that Hunan Red Door New Materials Technology Co., Ltd. has obtained a patent titled \”A Enhancement Door\” and authorization announcement CN 222478573 U, application date is March 2024.

The patent summary shows that this practical new model involves the technical field of industrial doors, and discloses a lift door. The lift door includes two sets of chain units, multiple door panels and multiple back panels. Each set of chain components includes multiple The chain unit, two adjacent chain units are connected to each other, and the chain unit includes the chain main body and support plate; multiple door panels are arranged between two chain units, each door panel is located between two chain units set up, each with its back. The board is interlocked with the main body of each chain, and the back plate and the support plate are respectively located on both sides of each door plate and cooperate with the limits of each door plate to secure the door plate between the corresponding support plate and the corresponding back plate. . In this embodiment, the back plate and the main link body of the chain unit can quickly and conveniently remove the back plate from the chain unit and remove the door plate without removing the chain unit at both ends of the door plate, so as to repair the door plate Change.

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