{"number":"US12703030B2","kindCode":"B2","documentType":"grant","title":{"original":"End mill","english":"End mill"},"abstract":{"original":"An end mill includes a plurality of peripheral cutting edges have respective helix angles which are equal to each other and which range from 0° to 5°. Each of the plurality of peripheral cutting edges is defined by one of four types of teeth A-D consisting of (a) teeth A-C each defining a partially-uneven cutting edge that includes an uneven edge portion consisting of a nicked portion or a roughing portion and (b) a tooth D that does not define the uneven edge portion.…","english":"An end mill includes a plurality of peripheral cutting edges have respective helix angles which are equal to each other and which range from 0° to 5°. Each of the plurality of peripheral cutting edges is defined by one of four types of teeth A-D consisting of (a) teeth A-C each defining a partially-uneven cutting edge that includes an uneven edge portion consisting of a nicked portion or a roughing portion and (b) a tooth D that does not define the uneven edge portion.…"},"applicants":["OSG CORPORATION"],"inventors":["Shigetoshi UKEI","Masataka ISOBE"],"filingDate":"2023-05-26","publicationDate":"2026-08-11","grantDate":"2026-08-11","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12703030B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12703030B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12703030B2","ja":"https://downloadpatent.com/ja/patent/US12703030B2"}}