MUMBAI, India, Aug. 17 -- Intellectual Property India has published a patent application (202617083567 A) filed by Wavin B. V. on July 07, 2026, for Pipe Made From A Pvc-O Material And Methods Of Producing A Pvc-O Pipe.
Inventors include Nijland, Andr Ewout; Meier, Gerrit Lucas; Stravers, Jeroen; Socolsky, Esteban; and Compagne, Jan.
The application for the patent was published on August 14, 2026, under issue no. 33/2026.
Abstract: A pipe made of a PVC-O material, with the pipe defining a longitudinal axis. The pipe has a first axially extending circumferential section having a first thickness, and a second axially extending circumferential section having a second thickness. The second thickness is greater than the first thickness. A method of producing a PVC-O pipe comprises forming a tubular preform from a PVC material, the tubular preform having a first circumferential section and a second circumferential section; and forcing the tubular preform over a mandrel to expand the tubular preform and form a PVC-O pipe with biaxially oriented PVC. The first circumferential section of the tubular preform forms a first axially extending circumferential section of the pipe having a first thickness, and the second circumferential section of the tubular preform forms a second axially extending circumferential section having a second thickness. The second thickness is greater than the first thickness.
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