HARREL, INCORPORATED

AUTO-TRIM

MICROPROCESSOR CONTROL COMPONENT, NAMELY- ELECTRICAL CIRCUITRY USED FOR AUTOMATICALLY CORRECTING THREEMODE INDUSTRIAL MICROPROCESSOR CONTROLS;

DIGI-SYNCH

Electrical Control for Synchronizing the Revolutions per Minute (R.P.M.) of a Motor;

DIGIPANEL

ELECTRONIC CONTROL DEVICES FOR THE CONTROL OF INDUSTRIAL EQUIPMENT;

DIGITACH

APPARATUS WHICH GENERATES A FIXED NUMBER OF PULSES PER REVOLUTION FOR SENSING SPEED OF MOTORS;DIGIT TACHOMETER;

DUO-SENSE

Temperature Controller for Use in Industrial Process;

GEARTRUDER

Gear pump and plastics extruder operating as a unit;GEAR EXTRUDER;

MOLAN

COMPUTER PROGRAMS FOR USE IN THE CONTROL AND MONITORING OF TEMPERATURE, PRESSURE, R.P.M., COUNTING AND SIMILAR FUNCTIONS ON INDUSTRIAL MACHINES;

PIPE-TROL

* AN ELECTRONIC * EXTRUDER CONTROLLER FOR CONTROLLING [ OUTSIDE DIAMETER AND OTHER CHARACTERISTICS ] * WEIGHT, DIMENSIONS AND DIAMETER * OF EXTRUDED PLASTIC [ PIPE ] * PIPES *;IN THE STATEMENT, COLUMN 1, LINE 5, BEFORE EXTRUDER, AN ELECTRONIC SHOULD BE INSERTED. IN THE STATEMENT, COLUMN 1, LINE 6, OUTSIDE DIAMETER AND SHOULD BE DELETED. IN THE STATEMENT, COLUMN 2, LINE 1, OTHER CHARACTERISTICS SHOULD BE DELETED AND WEIGHT, DIMENSIONS AND DIAMETER SHOULD BE INSERTED. IN THE STATEMENT, COLUMN 2, LINE 2, PIPE SHOULD BE DELETED AND PIPES SHOULD BE INSERTED.;PIPE CONTROL;

SHEET-TROL

AN ELECTRONIC EXTRUDER CONTROLLER FOR AUTOMATIC FEEDBACK CONTROL OF THE THICKNESS OF EXTRUDED PLASTIC;SHEET CONTROL;

TEL-CHECK

ELECTRONIC CIRCUITRY, IN ELECTRICAL CONNECTION WITH INDUSTRIAL PROCESS CONTROL ELECTRONICS, FOR DIAGNOSING AND TESTING THE INDUSTRIAL PROCESS CONTROL ELECTRONICS BY TELEPHONE;DIAGNOSING INDUSTRIAL PROCESS CONTROL ELECTRONICS BY TELEPHONE;

WEIGHTRUDER

A COMBINATION OF A WEIGH FEEDER AND A PLASTIC EXTRUDER ARRANGED SO THAT THE POUNDS PER HOUR OF A PLASTIC OUTPUT OF THE COMBINATION CAN BE MEASURED AND CONTROLLED TO CLOSE TOLERANCES;WEIGHT EXTRUDER;