Invention Grant
- Patent Title: Milling pick
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Application No.: US17046590Application Date: 2019-03-19
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Publication No.: US11339655B2Publication Date: 2022-05-24
- Inventor: Heiko Friederichs , Ulrich Krämer
- Applicant: Betek GmbH & Co. KG
- Applicant Address: DE Aichhalden
- Assignee: Betek GmbH & Co. KG
- Current Assignee: Betek GmbH & Co. KG
- Current Assignee Address: DE Aichhalden
- Agency: Patterson Intellectual Property Law, PC
- Agent Lucian Wayne Beavers
- Priority: DE102018109147.8 20180417
- International Application: PCT/EP2019/056864 WO 20190319
- International Announcement: WO2019/201535 WO 20191024
- Main IPC: E21C35/183
- IPC: E21C35/183 ; B28D1/18

Abstract:
The invention relates to a milling pick, in particular a round pick having a pick head and a pick tip, consisting of a hard material, wherein the pick tip has an attachment area, which is used to connect it to the pick head, wherein the pick tip has a concave area, which extends in the direction of the central longitudinal axis of the pick tip, and wherein the concave area has an elliptical contour. To achieve an improved resilience for such a milling pick, provision in made in accordance with the invention that the ellipse generating the elliptical contour is arranged in such a way that the semimajor of the ellipse and the central longitudinal axis of the pick tip form an acute angle.
Public/Granted literature
- US20210115792A1 MILLING PICK Public/Granted day:2021-04-22
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