Barrels, Cylinders Patents

5018917	Apparatus for grooving the barrel of a plasticating machine
4750841	Barrel support
6074578	Barrel wall conduit arrangements for a plastic processing screw machine
4588301	Conical screw mixer
5185162	Corrosion and wear resistant bimetallic cylinder
5200205	Extruder barrel temperature regulation apparatus
4596282	Heat treated high strength bimetallic cylinder
5019459	High temperture corrosion resistant bimetallic cylinder
5565277	Injection molding and extrusion barrels and alloy compositions thereof
4399198	Lining alloy for bimetallic cylinders
4089466	Lining alloy for bimetallic cylinders
5803597	Machine for the extrusion of polymers and the like with converging threaded rotors each actuated by means of its own actuating motor
4953279	Method and apparatus for grooving the barrel of a plasticating machine
5520870	Methods and apparatus for the continuous formation of an extruded product
5261740	One-piece cylindrical extruder barrel assembled with eccentric converging hopper for receiving molten plastic materials
5547277	Preheating screw
4863661	Resin molding process employing a mickel-based alloy liner
4117548	Screw vent
4124306	Vent for devolatilizing screw press
6164810	Vented single stage barrier screw with a gas vent hole and axial bore in the scew for venting gases