On February 1, 2025, the information of the State Intellectual Property Office shows that The authorized announcement number CN 222412597 U, the application date was May 2024.
Patent abstract shows that the solid new type discloses a bridge pier wind -proof check door, including the frame, connecting rod and rotating connector. The size is matched, the number of connector rods is multiple, multiple connection rods are parallel to each other and are located on the inner side of the frame. The two adjacent connecting rods are 7cm apart. Connect, the rotating connector is located on the outside of the frame, the top of the rotating connector is connected to the bottom of the frame, and the bottom of the rotating connector is connected to the bridge. This utility type connecting rod uses round steel, and the two adjacent connector rods are separated by 7cm. Since the connector rod is made of round steel, the round edge can reduce the wind of the connection rod. The wind passes through two two. The gap between the connection rod improves the ventilation performance of the inspection door to avoid checking the welding of the door and the pedestrians in the bad windy weather, which reduces the hidden safety hazards of the inspection door.
Tianyan Checai information shows that China Railway No. 1 Group Co., Ltd., founded in 1980, is located in Xi\’an. It is a company that is mainly engaged in civil engineering construction industry. The registered capital of the enterprise is 636,660,900 yuan, and the real -time capital is 636,660,900 yuan. Through the analysis of the big data of Tianyan, China Railway No. 1 Group Co., Ltd. has invested in 209 companies, participating in 5,000 bidding projects, 3 trademark information in intellectual property rights, and 2,573 patent information. In addition, the enterprise also has an administrative license 1969 Piece.
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