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(11)

EP 3 589 414 A1

(12)

(43) Date of publication: 08.01.2020 Bulletin 2020/02 (21) Application number: 17898822.6 (22) Date of filing: 03.03.2017

(51) International Patent Classification (IPC):  B02C 13/286(2006.01) B02C 18/22(2006.01) B27L 11/02(2006.01) B02C 18/06(2006.01) B02C 25/00(2006.01) (86) International application number: PCT/US2017/020715 (87) International publication number: WO 2018/160197 (07.09.2018 Gazette 2018/36)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (71) Applicant: Astec Industries, Inc. Chattanooga, TN 37421 (US)	(72) Inventor: HARNESS, Bradley Simon Springfield, OR 97478 (US) (74) Representative: Murgatroyd, Susan Elizabeth et al Baron Warren Redfern 1000 Great West Road Brentford TW8 9DW Brentford TW8 9DW (GB)