Extrusion Methods & Apparatus Patents

4213710	Adjustable homogenization extruder
4329313	Apparatus and method for extruding ethylene polymers
4938605	Apparatus and method for mixing and continuous extrusion of a plastic mass
5494429	Apparatus for extruding thermoplastic materials
5249948	Apparatus for the continuous extrusion of solid articles
5993187	Apparatus for the production of dough, particularly for paste products
4695165	Cavity transfer mixing extruder
4929086	Continuous rate feed hopper
5447190	Device and method for cooling an extrusion cylinder
4776784	Extruder
4152076	Extruder and method for uniformly fluxing and blending thermoplastic materials
5242292	Extruder apparatus for producing sterile pelleted feed product
5887972	Extruder for plastic granules
5244373	Extruder for poorly miscible extrudates
4164385	Extruder with mixing chambers
4075712	Extrusion and mixing apparatus
4981364	Extrusion apparatus
4944597	Extrusion apparatus
4872761	Extrusion Apparatus
4859069	Extrusion apparatus
4129386	Extrusion apparatus
4125333	Extrusion apparatus
4173417	Extrusion apparatus and method
6080346	Extrusion apparatus and method and extruded thermoplastic polymer
5250249	Extrusion apparatus and methods of extrusion
6017477	Extrusion apparatus and process
5348388	Extrusion apparatus for mixing and extruding thermo-plastic materials
5332314	Extrusion apparatus with a backfeed extruder for mixing and extruding of thermo-plastic and thermo-setting materials
5176925	Extrusion die with static mixer insert
5204039	Extrusion method and extruder used for obtaining phenolic resin pipe
4356140	Extrusion method with short cycle multichannel wave screw
5567368	Extrusion molding method and extrusion molding apparatus
5518672	Extrusion surge controller and method
5486328	Extrusion surge suppressor and method
4863366	Feed unit for an extruder
6153093	Filter screen pack for extrusion die
5433593	Gear pump mounting assembly for thermoplastic extrusion line
6062719	High efficiency extruder
5314246	Increased barrel-stress extruder
4983114	Inlet for twin screw extruder
4350657	Low-energy extruder -pump system
3942773	Method and apparatus for extruding melted plastic mixtures
4931229	Method and apparatus for protecting a screw extruder producing strand-shaped explosives and propellants
4310484	Method for extruding molten narrow molecular weight distribution, linear, ethylene copolymers
5198268	Method for preparing a feed screw for processing plastics
3942774	Method of and means for effecting redistributive mixing in an extruder
4935183	Method of extruding material through a twin-screw extruder having respective conical nose screw sections
4944906	Methods of injection molding and extruding wet hygroscopic ionomers
4107260	Methods of working expandable thermoplastic materials in an extruder
5487602	Multi-screw, extrusion-compounding machine with modular mixing elements
6116771	Multi-shaft extruder screw bushing and extruder
6048088	Multi-shaft screw-type extruder, in particular twin-shaft extruder
5670112	Multiphase matter introduction with a plasticating screw arrangement
4735565	Pin-barrel extrusion device having a barrel temperature control means
5439633	Plastic extruder having a mixing valve with automatic shut-off
5306132	Proces and apparatus for degassing plastic melt in a screw extruder
6118374	Process and device for the recognition of screws used in extruders or metering devices
4867927	Process of producing thermoplastic resin sheet and the like and molding screw therefor
5363747	Processing vessel having discharge metering/mixing auger
6081983	Screw element extractor
4657499	Screw extruder apparatus adapted for mixing additive fluids
4039168	Screw extruder for the production of an expanded dry feed for foodstuff
4052038	Screw extruder for thermoplastics synthetic materials or elastomers
4280802	Screw-type extruder for polyvinylidene fluoride filaments
5413475	Serial two-stage extruder
5393213	Serial two-stage extruder
6068466	Twin type continuous kneading extruder
3999921	Two-channel extruder with mixer
4832889	Vaulted screw/grooved barrel extrusion machine, method and system
3992500	Vented extruder
5429489	Volumetric blending, mixing and extruding of polymer like materials