Back to results
US 8,192,191 B2Granted
Valve gate assembly
AssigneePlastics Engineering & Technical Services, Inc.
InventorsPatrick A. Tooman, Bruce Casey
Life of this patent
Estimating the term…
Abstract
A valve gate assembly for regulating a flow of molten material into a mold. The valve gate assembly includes a movable valve that can be positioned between a fully closed position and a fully open position. The valve gate assembly further includes an actuating system operatively cooperating with the valve to move the valve and infinitely position the valve between the fully closed position and the fully open position.
Claims9
A valve gate assembly for an injection molding machine, comprising:
- a valve operably associated with a valve gate of an injection molding manifold;
- an actuator assembly operably coupled to said valve;
- and
- said actuator assembly including an outer member coupled to an axially moveable output shaft through a transmission assembly, wherein relative rotation between said outer member and said output shaft transtates through said transmission assembly to said valve for driving said valve and opening said valve gate.
1 more element
Dependencies are inferred from the claim text.