MUMBAI, India, Sept. 26 -- Intellectual Property India has published a patent application (202527058589 A) filed by Sandvik Mining And Construction Oy, Tampere, Finland, on June 18, for 'fully sealed down the hole hammer.'
Inventor(s) include Bruandet, Olivier.
The application for the patent was published on Sept. 26, under issue no. 39/2025.
According to the abstract released by the Intellectual Property India: "A down the hole drilling assembly comprising a drill bit, a shank, a driver sub, a flushing passage sub, at least one flushing channel, a sealing element arranged in the flushing passage and extending radially from the outer surface of the shank to the inner surface of the driver sub, wherein the flushing passage and the at least one flushing channel are configured to allow a flow of fluid from the flushing passage to the at least one flushing channel in a flow direction of the fluid, wherein the sealing element is positioned above an inlet port of the at least one flushing channel along the flow direction and wherein the sealing element is configured to prevent a flow of fluid in a direction opposite to the flow direction."
The patent application was internationally filed on Nov. 16, 2023, under International application No.PCT/EP2023/082057.
Disclaimer: Curated by HT Syndication.
