MUMBAI, India, June 6 -- Intellectual Property India has published a patent application (202517039229 A) filed by Bumach Engineering International B. V., Emmen, Netherlands, on April 23, for 'working cylinder.'
Inventor(s) include Bueter, Josef.
The application for the patent was published on June 6, under issue no. 23/2025.
According to the abstract released by the Intellectual Property India: "The invention relates to a working cylinder comprising a cylinder (11) and a piston unit (12), characterized in that the cylinder (11) has a bottom-side joint head (20) which has a bottom-side joint head main body (21) and a bottom-side joint bearing (22); in that the bottom-side joint head main body (21) is in the form of an annular body and has a bottom-side concentric receiving bore (23), in which the bottom-side joint bearing (22) is received, and also has a bottom-side radial annular body outer lateral surface (24); in that the bottom closure part (15) has a bottom closure part shaped portion (15.1) which is formed as a monolithic portion of the bottom closure part (15) and which rises axially above an outer bottom closure part covering surface (15.2) and which has a projection-like basic shape that follows a radius; in that the bottom closure part shaped portion (15.1) has a concave indentation which forms a bottom-side receiving portion (15.3) which has a bottom-side radial inner lateral surface (15.4) corresponding to the bottom-side radial annular body outer lateral surface (24); and in that the bottom-side joint head main body (21) is welded, at a bottom-side radial annular body outer lateral partial surface (25), to the bottom closure part (15), at the bottom-side radial inner lateral surface (15.4), by means of a bottom-side annular-segment-shaped laser weld seam (26)."
The patent application was internationally filed on Sept. 28, 2023, under International application No.PCT/DE2023/000118.
Disclaimer: Curated by HT Syndication.
