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    • 4. 发明专利
    • SCREW FOR DECANTER TYPE CONTINUOUS CENTRIFUGAL SEPARATOR
    • JP2001190985A
    • 2001-07-17
    • JP2000004338
    • 2000-01-13
    • TANABE UIRU TEC KK
    • KUROSHIMA TAMIO
    • B04B1/20B04B7/00B04B11/02
    • PROBLEM TO BE SOLVED: To provide a screw for a decanter type continuous centrifugal separator constituted so that abrasion resistance is enhanced by arranging a base metal and an abrasion-resistant material in the outer peripheral leading end part of a screw blade becoming the feed surface of the screw and the peeling and falling-off of the abrasion-resistant material caused by the deterioration of an adhesive is prevented and the replacement of the abraded abrasion- resistant material can be easily performed. SOLUTION: The screw 2 for the decanter type continuous centrifugal separator is constituted of the base metal 5 having a locking groove 52 formed therein fixed along the outer peripheral leading end part of the screw blade 21 spirally formed to the outer peripheral surface of the screw 2, the abrasion-resistant material 14 fitted in the locking groove 52 of the base metal 5 and fixed to a base metal bolt by an adhesive and the eccentric seat 6 threaded with the base metal bolt 7 pressing the locking surface 41 of the abrasion-resistant material 4 to the inclined surface 51 of the locking groove 52 formed on the base metal 5 by tightening the base metal bolt 17 to fix the same.