MUMBAI, India, July 25 -- Intellectual Property India has published a patent application (202517067001 A) filed by Gebr. Brasseler Gmbh & Co. Kg., Lemgo, Germany, on July 14, for 'hollow drill.'
Inventor(s) include Nickel, Kornej; and Legge, Bertram.
The application for the patent was published on July 25, under issue no. 30/2025.
According to the abstract released by the Intellectual Property India: "The invention relates to a hollow drill for machining wire-shaped holding arms of pieces of jewellery, said hollow drill comprising: a shaft (2) and a head (3) having three or more cutting edges (4), wherein the head (3) has a hollow region (30), an edge region (31), and rectilinear grooves (5), wherein the hollow region (30) has a substantially hollow spherical base surface, and wherein the grooves (5) interrupt the edge region (31) and the hollow spherical base surface, as a result of which the hollow spherical base surface is subdivided into partial base surfaces (30a, 30b, 30c), a cutting edge (4) being formed on each edge between a groove (5) and a partial base surface (30a, 30b, 30c) of the hollow region (30), and the grooves (5) dividing the edge region (31) into partial edge regions (31a, 31b, 31c), the width of which varies in the peripheral direction."
The patent application was internationally filed on Jan. 08, 2024, under International application No.PCT/EP2024/050273.
Disclaimer: Curated by HT Syndication.