Apparatus for a shot peening treatment

Details Apparatus for a shot peening treatment Apparatus for a shot peening treatment

2005-05-19

2010-11-16

Jones, David B (Department: 3725)

Metal deforming

By shot-blasting

C029S090700, C451S038000

Reexamination Certificate

active

07832243

ABSTRACT:
A shot-peening device(s) is installed on a side of a cabinet defining an ejection chamber in the cabinet. Shots ejected from the device to a workpiece fall and are conveyed in a horizontal direction by a horizontal screw conveyor positioned above a lower end of the cabinet and then conveyed upward by a vertical screw conveyor whose base end is above the lower end of the cabinet. The shots pass from an upper section of the vertical screw conveyor through a chute to reach an opening/closing gate. When the gate is opened and the shots are supplied to the device(s) for re-ejeciton, a portion of the shots is cause to overflow from the gate. The overflowed shots are caused to pass through a separator to remove impurities and then returned to the horizontal screw conveyor.

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