MUMBAI, India, March 14 -- Intellectual Property India has published a patent application (202517134082 A) filed by Crrc Yangtze Co. Ltd., Hubei, China, on Dec. 31, 2025, for 'sliding embedded type car door and railway heat insulation car.'

Inventor(s) include He, Yuanxin; Gao, Jianhua; Ren, Wenke; Jing, Chuanfeng; Xie, Bin; Chen, Xiaogang; Zhang, Min; Yuan, Ding; Jin, Xiaoping; Sun, Chunxu; Luo, Guiqiong; and Shu, Lin.

The application for the patent was published on March 13, under issue no. 11/2026.

According to the abstract released by the Intellectual Property India: "A sliding embedded type car door and a railway heat insulation car. The sliding embedded type car door comprises a door body (11), and the door body (11) is mounted on a car body (10). The sliding embedded type car door also comprises: a first slide rail (100) arranged on the car body (10), a slide groove (110) being formed in the first slide rail (100), and limiting flanges (111) protruding from groove walls of the slide groove (110); and a slide support assembly (200) comprising a roller (210), the roller (210) being rotatably connected to the door body (11) by means of a rotating shaft (211), and the roller (210) being movably arranged in the slide groove (110) so as to stop the roller (210) from being separated from the slide groove (110) by means of the groove walls and the limiting flanges (111)."

The patent application was internationally filed on Apr. 29, 2024, under International application No.PCT/CN2024/090480.

Disclaimer: Curated by HT Syndication.