System for rejection of tablets produced in a rotary tablet...

Details System for rejection of tablets produced in a rotary tablet... System for rejection of tablets produced in a rotary tablet...

2006-09-29

2011-12-13

Robertson, Dave (Department: 2121)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Mechanical control system

C700S206000, C700S282000, C700S301000, C209S644000

Reexamination Certificate

active

08078329

ABSTRACT:
A system for rejection of tablets produced in a rotary tablet press comprises pan ejection nozzle for sorting out defective tablets. The ejection nozzle is supplied with compressed gas through a supply line having an inlet end for connection with a source of compressed gas and an outlet end communicating with the ejection nozzle. The supply line is provided with a control valve controlled by a control unit in order to open the supply line when a defective tablet has been detected by the control unit. Furthermore, the supply line is provided with a sensor arranged between the control valve and the inlet end of the supply line and adapted to detect a variable indicative of a gas flow through the control valve in order for the control unit to generate an error signal in the case of malfunction of the control valve.

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